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authorIan C <ianc@noddybox.co.uk>2006-09-13 23:49:18 +0000
committerIan C <ianc@noddybox.co.uk>2006-09-13 23:49:18 +0000
commite007fe3daeff4bcd64bd41894d5606fe43948672 (patch)
tree489ae3bf888f235321423b41269bfae463b18c18 /source
parentf7c8435b666daac5a30c88e462727a6c3dbf584d (diff)
Initail version with Spectrum booting
Diffstat (limited to 'source')
-rw-r--r--source/error.c60
-rw-r--r--source/keyboard.c78
-rw-r--r--source/main.c87
-rw-r--r--source/snap.c142
-rw-r--r--source/spec.c456
-rw-r--r--source/z80.c366
-rw-r--r--source/z80_decode.c2522
-rw-r--r--source/z80_dis.c2476
8 files changed, 6180 insertions, 7 deletions
diff --git a/source/error.c b/source/error.c
new file mode 100644
index 0000000..f258896
--- /dev/null
+++ b/source/error.c
@@ -0,0 +1,60 @@
+/*
+ dsspec - Nintendo DS Sinclair Spectrum 48K emulator.
+
+ Copyright (C) 2006 Ian Cowburn
+
+ This program is free software; you can redistribute it and/or
+ modify it under the terms of the GNU General Public License
+ as published by the Free Software Foundation; either version 2
+ of the License, or (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+
+ $Id$
+*/
+
+#include <nds.h>
+#include <stdarg.h>
+#include <stdio.h>
+#include <string.h>
+#include "error.h"
+#include "framebuffer.h"
+
+
+/* ---------------------------------------- PUBLIC INTERFACES
+*/
+void DSSPEC_Error(const char *fmt, ...)
+{
+ static char buff[512];
+ va_list va;
+ char *p;
+ int y;
+
+ va_start(va,fmt);
+ vsprintf(buff,fmt,va);
+ va_end(va);
+
+ p=strtok(buff,"\n");
+
+ FB_Clear();
+
+ FB_Centre("ERROR",8,FB_RGB(31,31,31),-1);
+ FB_Centre("_____",8,FB_RGB(31,31,31),-1);
+
+ y=30;
+
+ while(p)
+ {
+ FB_Centre(p,y,FB_RGB(31,31,31),-1);
+ y+=10;
+ p=strtok(NULL,"\n");
+ }
+}
+
diff --git a/source/keyboard.c b/source/keyboard.c
new file mode 100644
index 0000000..978d3d5
--- /dev/null
+++ b/source/keyboard.c
@@ -0,0 +1,78 @@
+/*
+ dsspec - Nintendo DS Sinclair Spectrum 48K emulator.
+
+ Copyright (C) 2006 Ian Cowburn
+
+ This program is free software; you can redistribute it and/or
+ modify it under the terms of the GNU General Public License
+ as published by the Free Software Foundation; either version 2
+ of the License, or (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+
+ $Id$
+*/
+
+#include <nds.h>
+#include "keyboard.h"
+#include "keyb_bin.h"
+
+/* ---------------------------------------- STATIC DATA
+*/
+
+/* ---------------------------------------- PUBLIC INTERFACES
+*/
+void SK_DisplayKeyboard(uint16 *vram)
+{
+ sImage img;
+
+ loadPCX(keyb_bin,&img);
+ image8to16(&img);
+ dmaCopy(img.data8,vram,SCREEN_WIDTH*SCREEN_HEIGHT*2);
+}
+
+
+int SK_GetEvent(SoftKeyEvent *ev)
+{
+ uint32 key=0;
+
+ key=keysDownRepeat();
+
+ if (key & KEY_TOUCH)
+ {
+ touchPosition tp=touchReadXY();
+
+ /*
+ if (tp.px>=x && tp.px<(w+w) && tp.py>=y && tp.py<(y+h))
+ {
+ defer=true;
+ sel=(tp.py-y)/16;
+ }
+ */
+
+ ev->key=SK_CONFIG;
+ ev->pressed=TRUE;
+ return 1;
+ }
+
+ return 0;
+}
+
+
+void SK_SetSticky(SoftKey key, int is_sticky)
+{
+}
+
+
+void SK_ClearKeys(void)
+{
+}
+
+
diff --git a/source/main.c b/source/main.c
index 2cf5579..0cab2ab 100644
--- a/source/main.c
+++ b/source/main.c
@@ -26,11 +26,34 @@
#include "framebuffer.h"
#include "gui.h"
+#include "z80.h"
+#include "spec.h"
+#include "keyboard.h"
+#include "error.h"
#include "splashimg_bin.h"
/* ---------------------------------------- STATIC DATA
*/
+static const char *main_menu[]=
+ {
+ "Reset Spectrum",
+ "Select Tape",
+ "Sticky Keys On",
+ "Sticky Keys Off",
+ "Define Joystick",
+ "Cancel",
+ NULL
+ };
+
+typedef enum
+{
+ MenuReset,
+ MenuSelectTape,
+ MenuStickyOn,
+ MenuStickyOff,
+ MenuDefineJoystick
+} MenuOpt;
/* ---------------------------------------- DISPLAY FUNCS
@@ -100,6 +123,8 @@ static void Splash(void)
*/
int main(int argc, char *argv[])
{
+ Z80 *z80;
+
powerON(POWER_ALL_2D);
videoSetMode(MODE_5_2D | DISPLAY_BG2_ACTIVE);
@@ -133,14 +158,62 @@ int main(int argc, char *argv[])
Splash();
- while(1)
- {
- static const char *menu[]={"Option #1","A longer option","Short","Wibble Sticks!",NULL};
- char buff[32];
+ /* Initialise processor and the Spectrum
+ */
+ z80=Z80Init(SPECPeek,SPECPoke,SPECReadPort,SPECWritePort,SPECDisPeek);
- sprintf(buff,"sel=%d",GUI_Menu(menu));
- FB_Centre(buff,SCREEN_HEIGHT-10,FB_RGB(31,31,31),FB_RGB(0,0,15));
+ if (!z80)
+ {
+ DSSPEC_Error("Failed to create\na Z80 processor");
}
- return 0;
+ SPECInit(BG_GFX,z80);
+ SK_DisplayKeyboard(BG_GFX_SUB);
+
+ while(1)
+ {
+ SoftKeyEvent ev;
+
+ Z80Exec(z80);
+
+ while(SK_GetEvent(&ev))
+ {
+ switch(ev.key)
+ {
+ case SK_ABOUT:
+ case SK_CONFIG:
+ switch(GUI_Menu(main_menu))
+ {
+ case MenuReset:
+ SPECReset(z80);
+ break;
+
+ case MenuSelectTape:
+ break;
+
+ case MenuStickyOn:
+ break;
+
+ case MenuStickyOff:
+ break;
+
+ case MenuDefineJoystick:
+ break;
+ }
+
+ SK_DisplayKeyboard(BG_GFX_SUB);
+ break;
+
+ default:
+ SPECHandleKey(ev.key,ev.pressed);
+ break;
+ }
+ }
+
+ {
+ static int pressed=0;
+ SPECHandleKey(SK_P,pressed);
+ pressed=!pressed;
+ }
+ }
}
diff --git a/source/snap.c b/source/snap.c
new file mode 100644
index 0000000..2e3fb92
--- /dev/null
+++ b/source/snap.c
@@ -0,0 +1,142 @@
+/*
+
+ dsspec - Nintendo DS Sinclair Spectrum 48K emulator.
+
+ Copyright (C) 2006 Ian Cowburn
+
+ This program is free software; you can redistribute it and/or
+ modify it under the terms of the GNU General Public License
+ as published by the Free Software Foundation; either version 2
+ of the License, or (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+
+ $Id$
+
+*/
+#include "snap.h"
+
+/* ---------------------------------------- MACROS
+*/
+#ifndef TRUE
+#define TRUE 1
+#endif
+
+#ifndef FALSE
+#define FALSE 0
+#endif
+
+#define ROMLEN 0x4000
+
+
+/* ---------------------------------------- PRIVATE DATA
+*/
+static Z80Byte *tap_file;
+static int tap_len;
+static int tap_ptr;
+
+
+/* ---------------------------------------- PRIVATE FUNCTIONS
+*/
+static Z80Byte GetByte(void)
+{
+ Z80Byte ret=0;
+
+ if (tap_len)
+ {
+ ret=tap_file[tap_ptr];
+ tap_ptr=(tap_ptr+1)%tap_len;
+ }
+
+ return ret;
+}
+
+
+static Z80Word GetLSBWord(void)
+{
+ int c1,c2;
+
+ c1=GetByte();
+ c2=GetByte();
+
+ return c1+(c2<<8);
+}
+
+
+/* ---------------------------------------- INTERFACES
+*/
+int TAPLoad(Z80Byte id, Z80Word *addr, Z80Word *len, SNAP_Poke poke)
+{
+ Z80Word blen;
+ Z80Byte type,b,csum,tape_csum;
+
+ if (!tap_file)
+ {
+ return FALSE;
+ }
+
+ b=0;
+
+ blen=GetLSBWord();
+ type=GetByte();
+ csum=id;
+
+ /* Have we found the requested block?
+ */
+ if (id==type)
+ {
+ /* Knock of block type
+ */
+ blen--;
+
+ while(blen && *len)
+ {
+ b=GetByte();
+ csum^=b;
+
+ poke(*addr,b);
+
+ (*addr)++;
+ (*len)--;
+ blen--;
+ }
+
+ /* Get the checksum
+ */
+ if (blen)
+ {
+ tape_csum=GetByte();
+ blen--;
+ }
+ else
+ tape_csum=b;
+
+ /* In case we've been request less bytes than the block size
+ */
+ while(blen--)
+ GetByte();
+
+ /* Check the checksum
+ */
+ return csum==tape_csum;
+ }
+ else
+ {
+ /* If it's the wrong type, skip it
+ */
+ while(blen--)
+ GetByte();
+
+ return FALSE;
+ }
+}
+
+
+/* END OF FILE */
diff --git a/source/spec.c b/source/spec.c
new file mode 100644
index 0000000..7137834
--- /dev/null
+++ b/source/spec.c
@@ -0,0 +1,456 @@
+/*
+
+ dsspec - Nintendo DS Sinclair Spectrum 48K emulator.
+
+ Copyright (C) 2006 Ian Cowburn
+
+ This program is free software; you can redistribute it and/or
+ modify it under the terms of the GNU General Public License
+ as published by the Free Software Foundation; either version 2
+ of the License, or (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+
+ $Id$
+
+*/
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <nds.h>
+
+#include "spec.h"
+#include "snap.h"
+#include "spec48_bin.h"
+
+#ifndef TRUE
+#define TRUE 1
+#endif
+
+#ifndef FALSE
+#define FALSE 0
+#endif
+
+#define HIBYTE(w) ((w)>>8)
+#define LOBYTE(w) ((w)&0xff)
+
+
+/* ---------------------------------------- STATICS
+*/
+static uint16 *vram;
+
+static const int ROMLEN=0x4000;
+static const int ROM_SAVE=0x4c6;
+static const int ROM_LOAD=0x562;
+
+#define LOAD_PATCH 0xf0
+#define SAVE_PATCH 0xf1
+
+/* The SPEC screen
+*/
+#define SCR_W 256
+#define SCR_H 192
+#define TXT_W 32
+#define TXT_H 24
+#define SCRDATA 0x4000
+#define ATTR 0x5800
+
+#define ATTR_AT(x,y) mem[ATTR+(x)+((y)/8)*32]
+
+static Z80Byte mem[0x10000];
+
+/* Number of cycles per frame
+*/
+static Z80Val FRAME_CYCLES=69888;
+
+
+/* GFX vars
+*/
+#define FLASH 16 /* Frames per flash */
+
+static int flash=0;
+static int flashctr=0;
+
+#define NVAL 25 /* Normal RGB intensity */
+#define BVAL 31 /* Bright RGB intensity */
+
+static Z80Byte *line[SCR_H]; /* Accelerators to screen data */
+
+static struct
+{
+ uint16 col;
+ int r,g,b;
+} coltable[16]=
+{
+ {0, 0x00,0x00,0x00}, /* BLACK */
+ {0, 0x00,0x00,NVAL}, /* BLUE */
+ {0, NVAL,0x00,0x00}, /* RED */
+ {0, NVAL,0x00,NVAL}, /* MAGENTA */
+ {0, 0x00,NVAL,0x00}, /* GREEN */
+ {0, 0x00,NVAL,NVAL}, /* CYAN */
+ {0, NVAL,NVAL,0x00}, /* YELLOW */
+ {0, NVAL,NVAL,NVAL}, /* WHITE */
+
+ {0, 0x00,0x00,0x00}, /* BLACK */
+ {0, 0x00,0x00,BVAL}, /* BLUE */
+ {0, BVAL,0x00,0x00}, /* RED */
+ {0, BVAL,0x00,BVAL}, /* MAGENTA */
+ {0, 0x00,BVAL,0x00}, /* GREEN */
+ {0, 0x00,BVAL,BVAL}, /* CYAN */
+ {0, BVAL,BVAL,0x00}, /* YELLOW */
+ {0, BVAL,BVAL,BVAL}, /* WHITE */
+
+};
+
+
+/* The keyboard
+*/
+static Z80Byte matrix[8];
+
+
+/* ---------------------------------------- PRIVATE FUNCTIONS
+*/
+static void DrawScreen(void)
+{
+ int f,r;
+ int ink,paper,t;
+ int y;
+ Z80Byte *scr;
+ Z80Byte b;
+ Z80Byte att;
+ uint16 *vr;
+
+ vr=vram;
+
+ swiWaitForVBlank();
+
+ for(y=0;y<SCR_H;y++)
+ {
+ scr=line[y];
+
+ for(f=0;f<TXT_W;f++)
+ {
+ att=ATTR_AT(f,y);
+
+ ink=(att&0x07);
+ paper=(att&0x38)>>3;
+
+ if (att&0x40)
+ {
+ ink+=8;
+ paper+=8;
+ }
+
+ if ((att&0x80)&&(flash))
+ {
+ t=ink;
+ ink=paper;
+ paper=t;
+ }
+
+ b=*scr++;
+
+ for(r=0;r<8;r++)
+ {
+ if (b&(1<<(7-r)))
+ {
+ *vr++=coltable[ink].col;
+ }
+ else
+ {
+ *vr++=coltable[paper].col;
+ }
+ }
+ }
+ }
+}
+
+static void RomPatch(void)
+{
+ static const Z80Byte save[]=
+ {
+ 0xed, SAVE_PATCH, /* ED illegal op */
+ 0xc9, /* RET */
+ 0xff /* End of patch */
+ };
+
+ static const Z80Byte load[]=
+ {
+ 0x08, /* EX AF,AF' */
+ 0xed, LOAD_PATCH, /* ED illegal op */
+ 0xc9, /* RET */
+ 0xff /* End of patch */
+ };
+
+ int f;
+
+ for(f=0;save[f]!=0xff;f++)
+ mem[ROM_SAVE+f]=save[f];
+
+ for(f=0;load[f]!=0xff;f++)
+ mem[ROM_LOAD+f]=load[f];
+}
+
+
+Z80Byte SPECPeek(Z80 *cpu, Z80Word addr)
+{
+ return mem[addr];
+}
+
+
+Z80Byte SnapPeek(Z80Word addr)
+{
+ return mem[addr];
+}
+
+
+void SPECPoke(Z80 *cpu, Z80Word addr, Z80Byte val)
+{
+ if (addr>=ROMLEN)
+ mem[addr]=val;
+}
+
+
+void SnapPoke(Z80Word addr, Z80Byte val)
+{
+ if (addr>=ROMLEN)
+ mem[addr]=val;
+}
+
+
+static int EDCallback(Z80 *z80, Z80Val data)
+{
+ Z80State state;
+
+ switch((Z80Byte)data)
+ {
+ case SAVE_PATCH:
+ state.AF&=~eZ80_Carry;
+ Z80SetState(z80,&state);
+ break;
+
+ case LOAD_PATCH:
+ Z80GetState(z80,&state);
+
+ if (TAPLoad(HIBYTE(state.AF),
+ &state.IX,
+ &state.DE,
+ SnapPoke))
+ {
+ state.AF|=eZ80_Carry;
+ state.BC=0xb001;
+ }
+ else
+ {
+ state.AF&=~eZ80_Carry;
+ state.BC=0xff01;
+ }
+
+ Z80SetState(z80,&state);
+
+ break;
+
+ default:
+ break;
+ }
+
+ return TRUE;
+}
+
+
+static int CheckTimers(Z80 *z80, Z80Val val)
+{
+ if (val>FRAME_CYCLES)
+ {
+ Z80ResetCycles(z80,val-FRAME_CYCLES);
+
+ flashctr++;
+
+ if (flashctr==FLASH)
+ {
+ flash^=1;
+ flashctr=0;
+ }
+
+ Z80Interrupt(z80,0xff);
+
+ DrawScreen();
+
+ /* TODO: Process sound emulation */
+
+ return FALSE;
+ }
+ else
+ {
+ return TRUE;
+ }
+}
+
+
+/* ---------------------------------------- EXPORTED INTERFACES
+*/
+void SPECInit(uint16 *v, Z80 *z80)
+{
+ vram=v;
+
+ memcpy(mem,spec48_bin,ROMLEN);
+
+ /* Patch the ROM
+ */
+ RomPatch();
+ Z80LodgeCallback(z80,eZ80_EDHook,EDCallback);
+ Z80LodgeCallback(z80,eZ80_Instruction,CheckTimers);
+
+ SPECReset(z80);
+}
+
+
+void SPECHandleKey(SoftKey key, int is_pressed)
+{
+ if (key<=SK_SPACE)
+ {
+ int row;
+ int bit;
+
+ row=key/5;
+
+ if (row&1)
+ {
+ bit=5-(key%5);
+ }
+ else
+ {
+ bit=(key%5);
+ }
+
+ if (is_pressed)
+ {
+ matrix[row]&=~bit;
+ }
+ else
+ {
+ matrix[row]|=bit;
+ }
+ }
+ else
+ {
+ /* TODO: Joysticks! */
+ }
+}
+
+
+Z80Byte SPECReadPort(Z80 *z80, Z80Word port)
+{
+ Z80Byte lo=port&0xff;
+ Z80Byte hi=port>>8;
+ Z80Byte b=0xff;
+ int f;
+
+ switch(lo)
+ {
+ case 0x1f: /* Kempston joystick */
+ break;
+
+ case 0x7f: /* Fuller joystick */
+ break;
+
+ case 0xfb: /* ZX Printer */
+ break;
+
+ default: /* ULA */
+ if (!(lo&1))
+ {
+ /* Key matrix
+ */
+ b=0xff;
+
+ for(f=0;f<8;f++)
+ if (!(hi&(1<<f)))
+ b&=matrix[f];
+
+ b|=0xa0;
+
+ /* TODO: Emulation of contention? */
+ }
+ else
+ b=0xff;
+ break;
+ }
+
+ return b;
+}
+
+
+void SPECWritePort(Z80 *z80, Z80Word port, Z80Byte val)
+{
+ Z80Byte lo=port&0xff;
+
+ switch(lo)
+ {
+ case 0xfe: /* ULA */
+ break;
+
+ case 0xfb: /* ZX Printer */
+ break;
+
+ default:
+ break;
+ }
+}
+
+
+void SPECReset(Z80 *z80)
+{
+ int f;
+ int c;
+ int r;
+
+ /* Set up the keyboard
+ */
+ for(f=0;f<8;f++)
+ {
+ matrix[f]=0x1f;
+ }
+
+ /* Set up the colours
+ */
+ for(f=0;f<16;f++)
+ {
+ coltable[f].col=0x8000|RGB15(coltable[f].r,coltable[f].g,coltable[f].b);
+ }
+
+ flash=0;
+ flashctr=0;
+
+ /* Set up screen
+ */
+ c=0;
+ r=0;
+ for(f=0;f<SCR_H;f++)
+ {
+ line[f]=mem+SCRDATA+(c*8*TXT_W)+(r*TXT_W);
+
+ c++;
+
+ if ((c%8)==0)
+ {
+ if (++r==8)
+ r=0;
+ else
+ c-=8;
+ }
+ }
+
+ Z80ResetCycles(z80,0);
+ Z80Reset(z80);
+}
+
+
+/* END OF FILE */
diff --git a/source/z80.c b/source/z80.c
new file mode 100644
index 0000000..60dbca4
--- /dev/null
+++ b/source/z80.c
@@ -0,0 +1,366 @@
+/*
+
+ z80 - Z80 Emulator
+
+ Copyright (C) 2006 Ian Cowburn <ianc@noddybox.co.uk>
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+
+ -------------------------------------------------------------------------
+
+ $Id$
+
+ Z80
+
+*/
+#include <stdlib.h>
+#include <string.h>
+
+#include "z80.h"
+#include "z80_private.h"
+
+static const char ident[]="$Id$";
+static const char ident_z80_header[]=Z80_H;
+static const char ident_z80_private_header[]=Z80_PRIVATE_H;
+
+Z80Label *z80_labels=NULL;
+
+/* ---------------------------------------- PRIVATE FUNCTIONS
+*/
+static void InitTables()
+{
+ static int init=FALSE;
+
+ if (init)
+ return;
+
+ init=TRUE;
+
+ Z80_InitialiseInternals();
+}
+
+static void Z80_CheckInterrupt(Z80 *cpu)
+{
+ /* Check interrupts
+ */
+ if (cpu->raise)
+ {
+ if (cpu->nmi)
+ {
+ if (cpu->halt)
+ {
+ cpu->halt=FALSE;
+ CALLBACK(eZ80_Halt,0);
+ cpu->PC++;
+ }
+
+ TSTATE(2);
+ cpu->IFF1=0;
+ cpu->nmi=FALSE;
+ PUSH(cpu->PC);
+ cpu->PC=0x66;
+ }
+ else if (cpu->IFF1)
+ {
+ if (cpu->halt)
+ {
+ cpu->halt=FALSE;
+ CALLBACK(eZ80_Halt,0);
+ cpu->PC++;
+ }
+
+ TSTATE(2);
+
+ switch(cpu->IM)
+ {
+ default:
+ case 0:
+ INC_R;
+ Z80_Decode(cpu,cpu->devbyte);
+ return;
+ break;
+
+ case 1:
+ PUSH(cpu->PC);
+ cpu->PC=0x38;
+ break;
+
+ case 2:
+ PUSH(cpu->PC);
+ cpu->PC=(Z80Word)cpu->I*256+cpu->devbyte;
+ break;
+ }
+ }
+
+ cpu->raise=FALSE;
+ }
+}
+
+
+/* ---------------------------------------- INTERFACES
+*/
+
+Z80 *Z80Init(Z80ReadMemory read_memory,
+ Z80WriteMemory write_memory,
+ Z80ReadPort read_port,
+ Z80WritePort write_port,
+ Z80ReadMemory read_disassem)
+{
+ Z80 *cpu;
+ int f;
+ int r;
+
+ InitTables();
+
+ if (!read_memory || !write_memory)
+ return NULL;
+
+ cpu=malloc(sizeof *cpu);
+
+ if (cpu)
+ {
+ cpu->mread=read_memory;
+ cpu->mwrite=write_memory;
+ cpu->pread=read_port;
+ cpu->pwrite=write_port;
+ cpu->disread=read_disassem;
+
+ for(f=0;f<eZ80_NO_CALLBACK;f++)
+ for(r=0;r<MAX_PER_CALLBACK;r++)
+ cpu->callback[f][r]=NULL;
+
+ Z80Reset(cpu);
+ }
+
+ return cpu;
+}
+
+
+void Z80Reset(Z80 *cpu)
+{
+ cpu->cycle=0;
+ cpu->PC=0;
+
+ cpu->AF.w=0xffff;
+ cpu->BC.w=0xffff;
+ cpu->DE.w=0xffff;
+ cpu->HL.w=0xffff;
+ cpu->AF_=0xffff;
+ cpu->BC_=0xffff;
+ cpu->DE_=0xffff;
+ cpu->HL_=0xffff;
+
+ cpu->IX.w=0xffff;
+ cpu->IY.w=0xffff;
+
+ cpu->SP=0xffff;
+ cpu->IFF1=0;
+ cpu->IFF2=0;
+ cpu->IM=0;
+ cpu->I=0;
+ cpu->R=0;
+ cpu->halt=0;
+
+ cpu->raise=FALSE;
+ cpu->nmi=FALSE;
+}
+
+
+void Z80SetPC(Z80 *cpu,Z80Word PC)
+{
+ cpu->PC=PC;
+}
+
+
+Z80Word Z80GetPC(Z80 *cpu)
+{
+ return cpu->PC;
+}
+
+
+void Z80ResetCycles(Z80 *cpu, Z80Val cycles)
+{
+ cpu->cycle=cycles;
+}
+
+
+int Z80LodgeCallback(Z80 *cpu, Z80CallbackReason reason, Z80Callback callback)
+{
+ int f;
+
+ for(f=0;f<MAX_PER_CALLBACK;f++)
+ {
+ if (!cpu->callback[reason][f])
+ {
+ cpu->callback[reason][f]=callback;
+ return TRUE;
+ }
+ }
+
+ return FALSE;
+}
+
+
+void Z80RemoveCallback(Z80 *cpu, Z80CallbackReason reason, Z80Callback callback)
+{
+ int f;
+
+ for(f=0;f<MAX_PER_CALLBACK;f++)
+ if (cpu->callback[reason][f]==callback)
+ cpu->callback[reason][f]=NULL;
+}
+
+
+void Z80Interrupt(Z80 *cpu, Z80Byte devbyte)
+{
+ cpu->raise=TRUE;
+ cpu->devbyte=devbyte;
+ cpu->nmi=FALSE;
+}
+
+
+void Z80NMI(Z80 *cpu)
+{
+ cpu->raise=TRUE;
+ cpu->nmi=TRUE;
+}
+
+
+int Z80SingleStep(Z80 *cpu)
+{
+ Z80Byte opcode;
+
+ cpu->last_cb=TRUE;
+ cpu->shift=0;
+
+ Z80_CheckInterrupt(cpu);
+
+ CALLBACK(eZ80_Instruction,cpu->cycle);
+
+ INC_R;
+
+ opcode=FETCH_BYTE;
+
+ Z80_Decode(cpu,opcode);
+
+ return cpu->last_cb;
+}
+
+
+void Z80Exec(Z80 *cpu)
+{
+ while (Z80SingleStep(cpu));
+}
+
+
+void Z80GetState(Z80 *cpu, Z80State *state)
+{
+ state->cycle= cpu->cycle;
+
+ state->AF = cpu->AF.w;
+ state->BC = cpu->BC.w;
+ state->DE = cpu->DE.w;
+ state->HL = cpu->HL.w;
+
+ state->AF_ = cpu->AF_;
+ state->BC_ = cpu->BC_;
+ state->DE_ = cpu->DE_;
+ state->HL_ = cpu->HL_;
+
+ state->IX = cpu->IX.w;
+ state->IY = cpu->IY.w;
+
+ state->SP = cpu->SP;
+ state->PC = cpu->PC;
+
+ state->IFF1 = cpu->IFF1;
+ state->IFF2 = cpu->IFF2;
+ state->IM = cpu->IM;
+ state->I = cpu->I;
+ state->R = cpu->R;
+}
+
+
+void Z80SetState(Z80 *cpu, const Z80State *state)
+{
+ cpu->cycle = state->cycle;
+
+ cpu->AF.w = state->AF;
+ cpu->BC.w = state->BC;
+ cpu->DE.w = state->DE;
+ cpu->HL.w = state->HL;
+
+ cpu->AF_ = state->AF_;
+ cpu->BC_ = state->BC_;
+ cpu->DE_ = state->DE_;
+ cpu->HL_ = state->HL_;
+
+ cpu->IX.w = state->IX;
+ cpu->IY.w = state->IY;
+
+ cpu->SP = state->SP;
+ cpu->PC = state->PC;
+
+ cpu->IFF1 = state->IFF1;
+ cpu->IFF2 = state->IFF2;
+ cpu->IM = state->IM;
+ cpu->I = state->I;
+ cpu->R = state->R;
+}
+
+
+Z80Val Z80Cycles(Z80 *cpu)
+{
+ return cpu->cycle;
+}
+
+
+void Z80SetLabels(Z80Label labels[])
+{
+ z80_labels=labels;
+}
+
+
+const char *Z80Disassemble(Z80 *cpu, Z80Word *pc)
+{
+#ifdef ENABLE_DISASSEM
+ static char s[80];
+ Z80Word opc,npc;
+ Z80Byte op;
+ int f;
+
+ opc=*pc;
+ op=Z80_Dis_FetchByte(cpu,pc);
+ dis_opcode_z80[op](cpu,op,pc);
+ npc=*pc;
+
+ strcpy(s,Z80_Dis_Printf("%-5s",Z80_Dis_GetOp()));
+ strcat(s,Z80_Dis_Printf("%-40s ;",Z80_Dis_GetArg()));
+
+ for(f=0;f<5 && opc!=npc;f++)
+ strcat(s,Z80_Dis_Printf(" %.2x",(int)cpu->disread(cpu,opc++)));
+
+ if (opc!=npc)
+ for(f=1;f<3;f++)
+ s[strlen(s)-f]='.';
+
+ return s;
+#else
+ (*pc)+=4;
+ return "NO DISASSEMBLER";
+#endif
+}
+
+/* END OF FILE */
diff --git a/source/z80_decode.c b/source/z80_decode.c
new file mode 100644
index 0000000..ced7fbd
--- /dev/null
+++ b/source/z80_decode.c
@@ -0,0 +1,2522 @@
+/*
+
+ z80 - Z80 Emulator
+
+ Copyright (C) 2006 Ian Cowburn <ianc@noddybox.co.uk>
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+
+ -------------------------------------------------------------------------
+
+ $Id$
+
+*/
+#include <stdlib.h>
+#include <limits.h>
+
+#include "z80.h"
+#include "z80_private.h"
+
+static const char ident[]="$Id$";
+
+/* ---------------------------------------- TABLES AND INIT
+*/
+static Z80Byte PSZtable[512];
+static Z80Byte SZtable[512];
+static Z80Byte Ptable[512];
+static Z80Byte Stable[512];
+static Z80Byte Ztable[512];
+
+
+static int HI;
+static int LO;
+
+/* ---------------------------------------- MISC FUNCTIONS
+*/
+void Z80_InitialiseInternals(void)
+{
+ Z80Word f;
+ Z80Reg r;
+
+ /* Check endianness
+ */
+ r.w=0x1234;
+
+ if (r.b[0] == 0x12)
+ {
+ HI=0;
+ LO=1;
+ }
+ else if (r.b[1] == 0x12)
+ {
+ HI=1;
+ LO=0;
+ }
+ else
+ {
+ exit(1);
+ }
+
+ /* Check variable sizes
+ */
+ if (CHAR_BIT!=8 || sizeof(Z80Word)!=2)
+ {
+ exit(2);
+ }
+
+ /* Initialise flag tables
+ */
+ for(f=0;f<256;f++)
+ {
+ Z80Byte p,z,s;
+ int b;
+
+ p=0;
+
+ for(b=0;b<8;b++)
+ if (f&(1<<b))
+ p++;
+
+ if (p&1)
+ p=0;
+ else
+ p=P_Z80;
+
+ if (f)
+ z=0;
+ else
+ z=Z_Z80;
+
+ if (f&0x80)
+ s=S_Z80;
+ else
+ s=0;
+
+ Ptable[f]=p;
+ Stable[f]=s;
+ Ztable[f]=z;
+ SZtable[f]=z|s;
+ PSZtable[f]=z|s|p;
+
+ Ptable[f+256]=Ptable[f]|C_Z80;
+ Stable[f+256]=Stable[f]|C_Z80;
+ Ztable[f+256]=Ztable[f]|C_Z80;
+ SZtable[f+256]=SZtable[f]|C_Z80;
+ PSZtable[f+256]=PSZtable[f]|C_Z80;
+ }
+}
+
+static Z80Word FPEEKW(Z80 *cpu, Z80Word addr)
+{
+ return (PEEK(addr) | (Z80Word)PEEK(addr+1)<<8);
+}
+
+
+static void FPOKEW(Z80 *cpu, Z80Word addr, Z80Word val)
+{
+ cpu->mwrite(cpu,addr,val);
+ cpu->mwrite(cpu,addr+1,val>>8);
+}
+
+
+/* ---------------------------------------- GENERAL MACROS
+*/
+#define SWAP(A,B) \
+do { \
+ unsigned swap_tmp; \
+ swap_tmp=A; \
+ A=B; \
+ B=swap_tmp; \
+} while(0)
+
+
+/* ---------------------------------------- ARITHMETIC OPS
+*/
+#define ADD8(ONCE) \
+do { \
+ Z80Byte VAL=ONCE; \
+ unsigned w; \
+ w=cpu->AF.b[HI]+(unsigned)VAL; \
+ cpu->AF.b[LO]=SZtable[w]; \
+ if ((cpu->AF.b[HI]^w^VAL)&H_Z80) cpu->AF.b[LO]|=H_Z80; \
+ if ((VAL^cpu->AF.b[HI]^0x80)&(VAL^w)&0x80) cpu->AF.b[LO]|=P_Z80; \
+ SETHIDDEN(w); \
+ cpu->AF.b[HI]=w; \
+} while(0)
+
+
+#define ADC8(ONCE) \
+do { \
+ Z80Byte VAL=ONCE; \
+ unsigned w; \
+ w=(cpu->AF.b[HI]+(unsigned)VAL+CARRY)&0x1ff; \
+ cpu->AF.b[LO]=SZtable[w]; \
+ if ((cpu->AF.b[HI]^w^VAL)&H_Z80) cpu->AF.b[LO]|=H_Z80; \
+ if ((VAL^cpu->AF.b[HI]^0x80)&(VAL^w)&0x80) cpu->AF.b[LO]|=P_Z80; \
+ SETHIDDEN(w); \
+ cpu->AF.b[HI]=w; \
+} while(0)
+
+
+#define SUB8(ONCE) \
+do { \
+ Z80Byte VAL=ONCE; \
+ unsigned w; \
+ w=(cpu->AF.b[HI]-(unsigned)VAL)&0x1ff; \
+ cpu->AF.b[LO]=SZtable[w]|N_Z80; \
+ if ((cpu->AF.b[HI]^w^VAL)&H_Z80) cpu->AF.b[LO]|=H_Z80; \
+ if ((VAL^cpu->AF.b[HI])&(cpu->AF.b[HI]^w)&0x80) cpu->AF.b[LO]|=P_Z80; \
+ SETHIDDEN(w); \
+ cpu->AF.b[HI]=w; \
+} while(0)
+
+
+#define CMP8(ONCE) \
+do { \
+ Z80Byte VAL=ONCE; \
+ unsigned w; \
+ w=(cpu->AF.b[HI]-(unsigned)VAL)&0x1ff; \
+ cpu->AF.b[LO]=SZtable[w]|N_Z80; \
+ if ((cpu->AF.b[HI]^w^VAL)&H_Z80) cpu->AF.b[LO]|=H_Z80; \
+ if ((VAL^cpu->AF.b[HI])&(cpu->AF.b[HI]^w)&0x80) cpu->AF.b[LO]|=P_Z80; \
+ SETHIDDEN(VAL); \
+} while(0)
+
+
+#define SBC8(ONCE) \
+do { \
+ Z80Byte VAL=ONCE; \
+ unsigned w; \
+ w=(cpu->AF.b[HI]-(unsigned)VAL-CARRY)&0x1ff; \
+ cpu->AF.b[LO]=SZtable[w]|N_Z80; \
+ if ((cpu->AF.b[HI]^w^VAL)&H_Z80) cpu->AF.b[LO]|=H_Z80; \
+ if ((VAL^cpu->AF.b[HI])&(cpu->AF.b[HI]^w)&0x80) cpu->AF.b[LO]|=P_Z80; \
+ SETHIDDEN(w); \
+ cpu->AF.b[HI]=w; \
+} while(0)
+
+
+#define ADD16(REG,ONCE) \
+do { \
+ Z80Word VAL=ONCE; \
+ Z80Val w; \
+ w=(REG)+(Z80Val)VAL; \
+ cpu->AF.b[LO]&=(S_Z80|Z_Z80|V_Z80); \
+ if (w>0xffff) cpu->AF.b[LO]|=C_Z80; \
+ if (((REG)^w^VAL)&0x1000) cpu->AF.b[LO]|=H_Z80; \
+ SETHIDDEN(w>>8); \
+ (REG)=w; \
+} while(0)
+
+
+#define ADC16(REG, ONCE) \
+do { \
+ Z80Word VAL=ONCE; \
+ Z80Val w; \
+ w=(REG)+(Z80Val)VAL+CARRY; \
+ cpu->AF.b[LO]=0; \
+ if ((w&0xffff)==0) cpu->AF.b[LO]=Z_Z80; \
+ if (w&0x8000) cpu->AF.b[LO]|=S_Z80; \
+ if (w>0xffff) cpu->AF.b[LO]|=C_Z80; \
+ if ((VAL^(REG)^0x8000)&((REG)^w)&0x8000) cpu->AF.b[LO]|=P_Z80; \
+ if (((REG)^w^VAL)&0x1000) cpu->AF.b[LO]|=H_Z80; \
+ SETHIDDEN(w>>8); \
+ (REG)=w; \
+} while(0)
+
+
+#define SBC16(REG, ONCE) \
+do { \
+ Z80Word VAL=ONCE; \
+ Z80Val w; \
+ w=(REG)-(Z80Val)VAL-CARRY; \
+ cpu->AF.b[LO]=N_Z80; \
+ if (w&0x8000) cpu->AF.b[LO]|=S_Z80; \
+ if ((w&0xffff)==0) cpu->AF.b[LO]|=Z_Z80; \
+ if (w>0xffff) cpu->AF.b[LO]|=C_Z80; \
+ if ((VAL^(REG))&((REG)^w)&0x8000) cpu->AF.b[LO]|=P_Z80; \
+ if (((REG)^w^VAL)&0x1000) cpu->AF.b[LO]|=H_Z80; \
+ SETHIDDEN(w>>8); \
+ (REG)=w; \
+} while(0)
+
+
+#define INC8(REG) \
+do { \
+ (REG)++; \
+ cpu->AF.b[LO]=CARRY|SZtable[(REG)]; \
+ if ((REG)==0x80) cpu->AF.b[LO]|=P_Z80; \
+ if (((REG)&0x0f)==0) cpu->AF.b[LO]|=H_Z80; \
+} while(0)
+
+
+#define DEC8(REG) \
+do { \
+ (REG)--; \
+ cpu->AF.b[LO]=N_Z80|CARRY; \
+ if ((REG)==0x7f) cpu->AF.b[LO]|=P_Z80; \
+ if (((REG)&0x0f)==0x0f) cpu->AF.b[LO]|=H_Z80; \
+ cpu->AF.b[LO]|=SZtable[(REG)]; \
+} while(0)
+
+
+#define OP_ON_MEM(OP,addr) \
+do { \
+ Z80Byte memop=cpu->mread(cpu,addr); \
+ OP(memop); \
+ cpu->mwrite(cpu,addr,memop); \
+} while(0)
+
+
+#define OP_ON_MEM_WITH_ARG(OP,addr,arg) \
+do { \
+ Z80Byte memop=cpu->mread(cpu,addr); \
+ OP(memop,arg); \
+ cpu->mwrite(cpu,addr,memop); \
+} while(0)
+
+
+#define OP_ON_MEM_WITH_COPY(OP,addr,copy) \
+do { \
+ Z80Byte memop=cpu->mread(cpu,addr); \
+ OP(memop); \
+ copy=memop; \
+ cpu->mwrite(cpu,addr,memop); \
+} while(0)
+
+
+#define OP_ON_MEM_WITH_ARG_AND_COPY(OP,addr,arg,copy) \
+do { \
+ Z80Byte memop=cpu->mread(cpu,addr); \
+ OP(memop,arg); \
+ copy=memop; \
+ cpu->mwrite(cpu,addr,memop); \
+} while(0)
+
+
+/* ---------------------------------------- ROTATE AND SHIFT OPS
+*/
+#define RRCA \
+do { \
+ cpu->AF.b[LO]=(cpu->AF.b[LO]&(S_Z80|Z_Z80|P_Z80))|(cpu->AF.b[HI]&C_Z80); \
+ cpu->AF.b[HI]=(cpu->AF.b[HI]>>1)|(cpu->AF.b[HI]<<7); \
+ SETHIDDEN(cpu->AF.b[HI]); \
+} while(0)
+
+
+#define RRA \
+do { \
+ Z80Byte c; \
+ c=CARRY; \
+ cpu->AF.b[LO]=(cpu->AF.b[LO]&(S_Z80|Z_Z80|P_Z80))|(cpu->AF.b[HI]&C_Z80); \
+ cpu->AF.b[HI]=(cpu->AF.b[HI]>>1)|(c<<7); \
+ SETHIDDEN(cpu->AF.b[HI]); \
+} while(0)
+
+
+#define RRC(REG) \
+do { \
+ Z80Byte c; \
+ c=(REG)&C_Z80; \
+ (REG)=((REG)>>1)|((REG)<<7); \
+ cpu->AF.b[LO]=PSZtable[(REG)]|c; \
+ SETHIDDEN(REG); \
+} while(0)
+
+
+#define RR(REG) \
+do { \
+ Z80Byte c; \
+ c=(REG)&C_Z80; \
+ (REG)=((REG)>>1)|(CARRY<<7); \
+ cpu->AF.b[LO]=PSZtable[(REG)]|c; \
+ SETHIDDEN(REG); \
+} while(0)
+
+
+#define RLCA \
+do { \
+ cpu->AF.b[LO]=(cpu->AF.b[LO]&(S_Z80|Z_Z80|P_Z80))|(cpu->AF.b[HI]>>7); \
+ cpu->AF.b[HI]=(cpu->AF.b[HI]<<1)|(cpu->AF.b[HI]>>7); \
+ SETHIDDEN(cpu->AF.b[HI]); \
+} while(0)
+
+
+#define RLA \
+do { \
+ Z80Byte c; \
+ c=CARRY; \
+ cpu->AF.b[LO]=(cpu->AF.b[LO]&(S_Z80|Z_Z80|P_Z80))|(cpu->AF.b[HI]>>7); \
+ cpu->AF.b[HI]=(cpu->AF.b[HI]<<1)|c; \
+ SETHIDDEN(cpu->AF.b[HI]); \
+} while(0)
+
+
+#define RLC(REG) \
+do { \
+ Z80Byte c; \
+ c=(REG)>>7; \
+ (REG)=((REG)<<1)|c; \
+ cpu->AF.b[LO]=PSZtable[(REG)]|c; \
+ SETHIDDEN(REG); \
+} while(0)
+
+
+#define RL(REG) \
+do { \
+ Z80Byte c; \
+ c=(REG)>>7; \
+ (REG)=((REG)<<1)|CARRY; \
+ cpu->AF.b[LO]=PSZtable[(REG)]|c; \
+ SETHIDDEN(REG); \
+} while(0)
+
+
+#define SRL(REG) \
+do { \
+ Z80Byte c; \
+ c=(REG)&C_Z80; \
+ (REG)>>=1; \
+ cpu->AF.b[LO]=PSZtable[(REG)]|c; \
+ SETHIDDEN(REG); \
+} while(0)
+
+
+#define SRA(REG) \
+do { \
+ Z80Byte c; \
+ c=(REG)&C_Z80; \
+ (REG)=((REG)>>1)|((REG)&0x80); \
+ cpu->AF.b[LO]=PSZtable[(REG)]|c; \
+ SETHIDDEN(REG); \
+} while(0)
+
+
+#define SLL(REG) \
+do { \
+ Z80Byte c; \
+ c=(REG)>>7; \
+ (REG)=((REG)<<1)|1; \
+ cpu->AF.b[LO]=PSZtable[(REG)]|c; \
+ SETHIDDEN(REG); \
+} while(0)
+
+
+#define SLA(REG) \
+do { \
+ Z80Byte c; \
+ c=(REG)>>7; \
+ (REG)=(REG)<<1; \
+ cpu->AF.b[LO]=PSZtable[(REG)]|c; \
+ SETHIDDEN(REG); \
+} while(0)
+
+
+/* ---------------------------------------- BOOLEAN OPS
+*/
+#define AND(VAL) \
+do { \
+ cpu->AF.b[HI]&=VAL; \
+ cpu->AF.b[LO]=PSZtable[cpu->AF.b[HI]]|H_Z80; \
+ SETHIDDEN(cpu->AF.b[HI]); \
+} while(0)
+
+
+#define OR(VAL) \
+do { \
+ cpu->AF.b[HI]|=VAL; \
+ cpu->AF.b[LO]=PSZtable[cpu->AF.b[HI]]; \
+ SETHIDDEN(cpu->AF.b[HI]); \
+} while(0)
+
+
+#define XOR(VAL) \
+do { \
+ cpu->AF.b[HI]^=VAL; \
+ cpu->AF.b[LO]=PSZtable[cpu->AF.b[HI]]; \
+ SETHIDDEN(cpu->AF.b[HI]); \
+} while(0)
+
+
+#define BIT(REG,B) \
+do { \
+ cpu->AF.b[LO]=CARRY|H_Z80; \
+ if ((REG)&(1<<B)) \
+ { \
+ if (B==7 && (REG&S_Z80)) cpu->AF.b[LO]|=S_Z80; \
+ if (B==5 && (REG&B5_Z80)) cpu->AF.b[LO]|=B5_Z80; \
+ if (B==3 && (REG&B3_Z80)) cpu->AF.b[LO]|=B3_Z80; \
+ } \
+ else \
+ { \
+ cpu->AF.b[LO]|=Z_Z80; \
+ cpu->AF.b[LO]|=P_Z80; \
+ } \
+} while(0)
+
+#define BIT_SET(REG,B) (REG)|=(1<<B)
+#define BIT_RES(REG,B) (REG)&=~(1<<B)
+
+
+/* ---------------------------------------- JUMP OPERATIONS
+*/
+#define JR_COND(COND) \
+do { \
+ if (COND) \
+ { \
+ TSTATE(12); \
+ JR; \
+ } \
+ else \
+ { \
+ TSTATE(7); \
+ NOJR; \
+ } \
+} while(0)
+
+
+#define JP_COND(COND) \
+do { \
+ TSTATE(10); \
+ if (COND) \
+ { \
+ JP; \
+ } \
+ else \
+ { \
+ NOJP; \
+ } \
+} while(0)
+
+
+#define CALL_COND(COND) \
+do { \
+ if (COND) \
+ { \
+ TSTATE(17); \
+ CALL; \
+ } \
+ else \
+ { \
+ TSTATE(10); \
+ NOCALL; \
+ } \
+} while(0)
+
+
+#define RET_COND(COND) \
+do { \
+ if (COND) \
+ { \
+ TSTATE(11); \
+ POP(cpu->PC); \
+ } \
+ else \
+ { \
+ TSTATE(5); \
+ } \
+} while(0)
+
+
+#define RST(ADDR) \
+ TSTATE(11); \
+ PUSH(cpu->PC); \
+ cpu->PC=ADDR
+
+/* ---------------------------------------- BLOCK OPERATIONS
+*/
+#define LDI \
+do { \
+ Z80Byte b; \
+ \
+ b=PEEK(cpu->HL.w); \
+ POKE(cpu->DE.w,b); \
+ cpu->DE.w++; \
+ cpu->HL.w++; \
+ cpu->BC.w--; \
+ \
+ CLRFLAG(H_Z80); \
+ CLRFLAG(N_Z80); \
+ \
+ if (cpu->BC.w) \
+ SETFLAG(P_Z80); \
+ else \
+ CLRFLAG(P_Z80); \
+ \
+ SETHIDDEN(cpu->AF.b[HI]+b); \
+} while(0)
+
+#define LDD \
+do { \
+ Z80Byte b; \
+ \
+ b=PEEK(cpu->HL.w); \
+ POKE(cpu->DE.w,b); \
+ cpu->DE.w--; \
+ cpu->HL.w--; \
+ cpu->BC.w--; \
+ \
+ CLRFLAG(H_Z80); \
+ CLRFLAG(N_Z80); \
+ \
+ if (cpu->BC.w) \
+ SETFLAG(P_Z80); \
+ else \
+ CLRFLAG(P_Z80); \
+ \
+ SETHIDDEN(cpu->AF.b[HI]+b); \
+} while(0)
+
+#define CPI \
+do { \
+ Z80Byte c,b; \
+ \
+ c=CARRY; \
+ b=PEEK(cpu->HL.w); \
+ \
+ CMP8(b); \
+ \
+ if (c) \
+ SETFLAG(C_Z80); \
+ else \
+ CLRFLAG(C_Z80); \
+ \
+ cpu->HL.w++; \
+ cpu->BC.w--; \
+ \
+ if (cpu->BC.w) \
+ SETFLAG(P_Z80); \
+ else \
+ CLRFLAG(P_Z80); \
+} while(0)
+
+#define CPD \
+do { \
+ Z80Byte c,b; \
+ \
+ c=CARRY; \
+ b=PEEK(cpu->HL.w); \
+ \
+ CMP8(b); \
+ \
+ if (c) \
+ SETFLAG(C_Z80); \
+ else \
+ CLRFLAG(C_Z80); \
+ \
+ cpu->HL.w--; \
+ cpu->BC.w--; \
+ \
+ if (cpu->BC.w) \
+ SETFLAG(P_Z80); \
+ else \
+ CLRFLAG(P_Z80); \
+} while(0)
+
+#define INI \
+do { \
+ Z80Word w; \
+ Z80Byte b; \
+ \
+ b=IN(cpu->BC.w); \
+ POKE(cpu->HL.w,b); \
+ \
+ cpu->BC.b[HI]--; \
+ cpu->HL.w++; \
+ \
+ cpu->AF.b[LO]=SZtable[cpu->BC.b[HI]]; \
+ SETHIDDEN(cpu->BC.b[HI]); \
+ \
+ w=(((Z80Word)cpu->BC.b[LO])&0xff)+b; \
+ \
+ if (b&0x80) \
+ SETFLAG(N_Z80); \
+ \
+ if (w&0x100) \
+ { \
+ SETFLAG(C_Z80); \
+ SETFLAG(H_Z80); \
+ } \
+ else \
+ { \
+ CLRFLAG(C_Z80); \
+ CLRFLAG(H_Z80); \
+ } \
+} while(0)
+
+#define IND \
+do { \
+ Z80Word w; \
+ Z80Byte b; \
+ \
+ b=IN(cpu->BC.w); \
+ POKE(cpu->HL.w,b); \
+ \
+ cpu->BC.b[HI]--; \
+ cpu->HL.w--; \
+ \
+ cpu->AF.b[LO]=SZtable[cpu->BC.b[HI]]; \
+ SETHIDDEN(cpu->BC.b[HI]); \
+ \
+ w=(((Z80Word)cpu->BC.b[LO])&0xff)+b; \
+ \
+ if (b&0x80) \
+ SETFLAG(N_Z80); \
+ \
+ if (w&0x100) \
+ { \
+ SETFLAG(C_Z80); \
+ SETFLAG(H_Z80); \
+ } \
+ else \
+ { \
+ CLRFLAG(C_Z80); \
+ CLRFLAG(H_Z80); \
+ } \
+} while(0) \
+
+#define OUTI \
+do { \
+ OUT(cpu->BC.w,PEEK(cpu->HL.w)); \
+ \
+ cpu->HL.w++; \
+ cpu->BC.b[HI]--; \
+ \
+ cpu->AF.b[LO]=SZtable[cpu->BC.b[HI]]; \
+ SETHIDDEN(cpu->BC.b[HI]); \
+} while(0)
+
+#define OUTD \
+do { \
+ OUT(cpu->BC.w,PEEK(cpu->HL.w)); \
+ \
+ cpu->HL.w--; \
+ cpu->BC.b[HI]--; \
+ \
+ cpu->AF.b[LO]=SZtable[cpu->BC.b[HI]]; \
+ SETFLAG(N_Z80); \
+ SETHIDDEN(cpu->BC.b[HI]); \
+} while(0)
+
+
+/* ---------------------------------------- BASE OPCODE SHORT-HAND BLOCKS
+*/
+
+#define LD_BLOCK(BASE,DEST,DEST2) \
+ case BASE: /* LD DEST,B */ \
+ TSTATE(4); \
+ DEST=cpu->BC.b[HI]; \
+ break; \
+ \
+ case BASE+1: /* LD DEST,C */ \
+ TSTATE(4); \
+ DEST=cpu->BC.b[LO]; \
+ break; \
+ \
+ case BASE+2: /* LD DEST,D */ \
+ TSTATE(4); \
+ DEST=cpu->DE.b[HI]; \
+ break; \
+ \
+ case BASE+3: /* LD DEST,E */ \
+ TSTATE(4); \
+ DEST=cpu->DE.b[LO]; \
+ break; \
+ \
+ case BASE+4: /* LD DEST,H */ \
+ TSTATE(4); \
+ DEST=*H; \
+ break; \
+ \
+ case BASE+5: /* LD DEST,L */ \
+ TSTATE(4); \
+ DEST=*L; \
+ break; \
+ \
+ case BASE+6: /* LD DEST,(HL) */ \
+ TSTATE(7); \
+ OFFSET(off); \
+ DEST2=cpu->mread(cpu,*HL+off); \
+ break; \
+ \
+ case BASE+7: /* LD DEST,A */ \
+ TSTATE(4); \
+ DEST=cpu->AF.b[HI]; \
+ break;
+
+#define ALU_BLOCK(BASE,OP) \
+ case BASE: /* OP A,B */ \
+ TSTATE(4); \
+ OP(cpu->BC.b[HI]); \
+ break; \
+ \
+ case BASE+1: /* OP A,C */ \
+ TSTATE(4); \
+ OP(cpu->BC.b[LO]); \
+ break; \
+ \
+ case BASE+2: /* OP A,D */ \
+ TSTATE(4); \
+ OP(cpu->DE.b[HI]); \
+ break; \
+ \
+ case BASE+3: /* OP A,E */ \
+ TSTATE(4); \
+ OP(cpu->DE.b[LO]); \
+ break; \
+ \
+ case BASE+4: /* OP A,H */ \
+ TSTATE(4); \
+ OP(*H); \
+ break; \
+ \
+ case BASE+5: /* OP A,L */ \
+ TSTATE(4); \
+ OP(*L); \
+ break; \
+ \
+ case BASE+6: /* OP A,(HL) */ \
+ TSTATE(7); \
+ OFFSET(off); \
+ OP_ON_MEM(OP,*HL+off); \
+ break; \
+ \
+ case BASE+7: /* OP A,A */ \
+ TSTATE(4); \
+ OP(cpu->AF.b[HI]); \
+ break;
+
+
+/* ---------------------------------------- CB OPCODE SHORT-HAND BLOCKS
+*/
+
+#define CB_ALU_BLOCK(BASE,OP) \
+ case BASE: /* OP B */ \
+ TSTATE(8); \
+ OP(cpu->BC.b[HI]); \
+ break; \
+ \
+ case BASE+1: /* OP C */ \
+ TSTATE(8); \
+ OP(cpu->BC.b[LO]); \
+ break; \
+ \
+ case BASE+2: /* OP D */ \
+ TSTATE(8); \
+ OP(cpu->DE.b[HI]); \
+ break; \
+ \
+ case BASE+3: /* OP E */ \
+ TSTATE(8); \
+ OP(cpu->DE.b[LO]); \
+ break; \
+ \
+ case BASE+4: /* OP H */ \
+ TSTATE(8); \
+ OP(cpu->HL.b[HI]); \
+ break; \
+ \
+ case BASE+5: /* OP L */ \
+ TSTATE(8); \
+ OP(cpu->HL.b[LO]); \
+ break; \
+ \
+ case BASE+6: /* OP (HL) */ \
+ TSTATE(15); \
+ OP_ON_MEM(OP,cpu->HL.w); \
+ break; \
+ \
+ case BASE+7: /* OP A */ \
+ TSTATE(8); \
+ OP(cpu->AF.b[HI]); \
+ break;
+
+#define CB_BITMANIP_BLOCK(BASE,OP,BIT_NO) \
+ case BASE: /* OP B */ \
+ TSTATE(8); \
+ OP(cpu->BC.b[HI],BIT_NO); \
+ break; \
+ \
+ case BASE+1: /* OP C */ \
+ TSTATE(8); \
+ OP(cpu->BC.b[LO],BIT_NO); \
+ break; \
+ \
+ case BASE+2: /* OP D */ \
+ TSTATE(8); \
+ OP(cpu->DE.b[HI],BIT_NO); \
+ break; \
+ \
+ case BASE+3: /* OP E */ \
+ TSTATE(8); \
+ OP(cpu->DE.b[LO],BIT_NO); \
+ break; \
+ \
+ case BASE+4: /* OP H */ \
+ TSTATE(8); \
+ OP(cpu->HL.b[HI],BIT_NO); \
+ break; \
+ \
+ case BASE+5: /* OP L */ \
+ TSTATE(8); \
+ OP(cpu->HL.b[LO],BIT_NO); \
+ break; \
+ \
+ case BASE+6: /* OP (HL) */ \
+ TSTATE(12); \
+ OP_ON_MEM_WITH_ARG(OP,cpu->HL.w,BIT_NO); \
+ break; \
+ \
+ case BASE+7: /* OP A */ \
+ TSTATE(8); \
+ OP(cpu->AF.b[HI],BIT_NO); \
+ break;
+
+/* ---------------------------------------- SHIFTED CB OPCODE SHORT-HAND BLOCKS
+*/
+
+#define SHIFTED_CB_ALU_BLOCK(BASE,OP) \
+ case BASE: /* OP B */ \
+ TSTATE(8); \
+ OP_ON_MEM_WITH_COPY(OP,addr,cpu->BC.b[HI]); \
+ break; \
+ \
+ case BASE+1: /* OP C */ \
+ TSTATE(8); \
+ OP_ON_MEM_WITH_COPY(OP,addr,cpu->BC.b[LO]); \
+ break; \
+ \
+ case BASE+2: /* OP D */ \
+ TSTATE(8); \
+ OP_ON_MEM_WITH_COPY(OP,addr,cpu->DE.b[HI]); \
+ break; \
+ \
+ case BASE+3: /* OP E */ \
+ TSTATE(8); \
+ OP_ON_MEM_WITH_COPY(OP,addr,cpu->DE.b[LO]); \
+ break; \
+ \
+ case BASE+4: /* OP H */ \
+ TSTATE(8); \
+ OP_ON_MEM_WITH_COPY(OP,addr,cpu->HL.b[HI]); \
+ break; \
+ \
+ case BASE+5: /* OP L */ \
+ TSTATE(8); \
+ OP_ON_MEM_WITH_COPY(OP,addr,cpu->HL.b[LO]); \
+ break; \
+ \
+ case BASE+6: /* OP (HL) */ \
+ TSTATE(15); \
+ OP_ON_MEM(OP,addr); \
+ break; \
+ \
+ case BASE+7: /* OP A */ \
+ TSTATE(8); \
+ OP_ON_MEM_WITH_COPY(OP,addr,cpu->AF.b[HI]); \
+ break;
+
+#define SHIFTED_CB_BITMANIP_BLOCK(BASE,OP,BIT_NO) \
+ case BASE: /* OP B */ \
+ TSTATE(8); \
+ OP_ON_MEM_WITH_ARG_AND_COPY(OP,addr,BIT_NO,cpu->BC.b[HI]); \
+ break; \
+ \
+ case BASE+1: /* OP C */ \
+ TSTATE(8); \
+ OP_ON_MEM_WITH_ARG_AND_COPY(OP,addr,BIT_NO,cpu->BC.b[LO]); \
+ break; \
+ \
+ case BASE+2: /* OP D */ \
+ TSTATE(8); \
+ OP_ON_MEM_WITH_ARG_AND_COPY(OP,addr,BIT_NO,cpu->DE.b[HI]); \
+ break; \
+ \
+ case BASE+3: /* OP E */ \
+ TSTATE(8); \
+ OP_ON_MEM_WITH_ARG_AND_COPY(OP,addr,BIT_NO,cpu->DE.b[LO]); \
+ break; \
+ \
+ case BASE+4: /* OP H */ \
+ TSTATE(8); \
+ OP_ON_MEM_WITH_ARG_AND_COPY(OP,addr,BIT_NO,cpu->HL.b[HI]); \
+ break; \
+ \
+ case BASE+5: /* OP L */ \
+ TSTATE(8); \
+ OP_ON_MEM_WITH_ARG_AND_COPY(OP,addr,BIT_NO,cpu->HL.b[LO]); \
+ break; \
+ \
+ case BASE+6: /* OP (HL) */ \
+ TSTATE(12); \
+ OP_ON_MEM_WITH_ARG(OP,addr,BIT_NO); \
+ break; \
+ \
+ case BASE+7: /* OP A */ \
+ TSTATE(8); \
+ OP_ON_MEM_WITH_ARG_AND_COPY(OP,addr,BIT_NO,cpu->AF.b[HI]); \
+ break;
+
+/* ---------------------------------------- DAA
+*/
+
+/* This alogrithm is based on info from
+ http://www.worldofspectrum.org/faq/reference/z80reference.htm
+*/
+static void DAA (Z80 *cpu)
+{
+ Z80Byte add=0;
+ Z80Byte carry=0;
+ Z80Byte nf=cpu->AF.b[LO]&N_Z80;
+ Z80Byte acc=cpu->AF.b[HI];
+
+ if (acc>0x99 || IS_C)
+ {
+ add|=0x60;
+ carry=C_Z80;
+ }
+
+ if ((acc&0xf)>0x9 || IS_H)
+ {
+ add|=0x06;
+ }
+
+ if (nf)
+ {
+ cpu->AF.b[HI]-=add;
+ }
+ else
+ {
+ cpu->AF.b[HI]+=add;
+ }
+
+ cpu->AF.b[LO]=PSZtable[cpu->AF.b[HI]]
+ | carry
+ | nf
+ | ((acc^cpu->AF.b[HI])&H_Z80)
+ | (cpu->AF.b[HI]&(B3_Z80|B5_Z80));
+}
+
+/* ---------------------------------------- HANDLERS FOR ED OPCODES
+*/
+static void DecodeED(Z80 *cpu, Z80Byte opcode)
+{
+ switch(opcode)
+ {
+ case 0x40: /* IN B,(C) */
+ TSTATE(12);
+
+ if (cpu->pread)
+ {
+ cpu->BC.b[HI]=cpu->pread(cpu,cpu->BC.w);
+ }
+ else
+ {
+ cpu->BC.b[HI]=0;
+ }
+
+ cpu->AF.b[LO]=CARRY|PSZtable[cpu->BC.b[HI]];
+ SETHIDDEN(cpu->BC.b[HI]);
+ break;
+
+ case 0x41: /* OUT (C),B */
+ TSTATE(12);
+ if (cpu->pwrite) cpu->pwrite(cpu,cpu->BC.w,cpu->BC.b[HI]);
+ break;
+
+ case 0x42: /* SBC HL,BC */
+ TSTATE(15);
+ SBC16(cpu->HL.w,cpu->BC.w);
+ break;
+
+ case 0x43: /* LD (nnnn),BC */
+ TSTATE(20);
+ POKEW(FETCH_WORD,cpu->BC.w);
+ break;
+
+ case 0x44: /* NEG */
+ {
+ Z80Byte b;
+
+ TSTATE(8);
+
+ b=cpu->AF.b[HI];
+ cpu->AF.b[HI]=0;
+ SUB8(b);
+ break;
+ }
+
+ case 0x45: /* RETN */
+ TSTATE(14);
+ cpu->IFF1=cpu->IFF2;
+ POP(cpu->PC);
+ break;
+
+ case 0x46: /* IM 0 */
+ TSTATE(8);
+ cpu->IM=0;
+ break;
+
+ case 0x47: /* LD I,A */
+ TSTATE(9);
+ cpu->I=cpu->AF.b[HI];
+ break;
+
+ case 0x48: /* IN C,(C) */
+ TSTATE(12);
+
+ if (cpu->pread)
+ {
+ cpu->BC.b[LO]=cpu->pread(cpu,cpu->BC.w);
+ }
+ else
+ {
+ cpu->BC.b[LO]=0;
+ }
+
+ cpu->AF.b[LO]=CARRY|PSZtable[cpu->BC.b[LO]];
+ SETHIDDEN(cpu->BC.b[LO]);
+ break;
+
+ case 0x49: /* OUT (C),C */
+ TSTATE(12);
+ if (cpu->pwrite) cpu->pwrite(cpu,cpu->BC.w,cpu->BC.b[LO]);
+ break;
+
+ case 0x4a: /* ADC HL,BC */
+ TSTATE(15);
+ ADC16(cpu->HL.w,cpu->BC.w);
+ break;
+
+ case 0x4b: /* LD BC,(nnnn) */
+ TSTATE(20);
+ cpu->BC.w=PEEKW(FETCH_WORD);
+ break;
+
+ case 0x4c: /* NEG */
+ {
+ Z80Byte b;
+
+ TSTATE(8);
+
+ b=cpu->AF.b[HI];
+ cpu->AF.b[HI]=0;
+ SUB8(b);
+ break;
+ }
+
+ case 0x4d: /* RETI */
+ TSTATE(14);
+ CALLBACK(eZ80_RETI,0);
+ cpu->IFF1=cpu->IFF2;
+ POP(cpu->PC);
+ break;
+
+ case 0x4e: /* IM 0/1 */
+ TSTATE(8);
+ cpu->IM=0;
+ break;
+
+ case 0x4f: /* LD R,A */
+ TSTATE(9);
+ cpu->R=cpu->AF.b[HI];
+ break;
+
+ case 0x50: /* IN D,(C) */
+ TSTATE(12);
+
+ if (cpu->pread)
+ {
+ cpu->DE.b[HI]=cpu->pread(cpu,cpu->BC.w);
+ }
+ else
+ {
+ cpu->DE.b[HI]=0;
+ }
+
+ cpu->AF.b[LO]=CARRY|PSZtable[cpu->DE.b[HI]];
+ SETHIDDEN(cpu->BC.b[HI]);
+ break;
+
+ case 0x51: /* OUT (C),D */
+ TSTATE(12);
+ if (cpu->pwrite) cpu->pwrite(cpu,cpu->BC.w,cpu->DE.b[HI]);
+ break;
+
+ case 0x52: /* SBC HL,DE */
+ TSTATE(15);
+ SBC16(cpu->HL.w,cpu->DE.w);
+ break;
+
+ case 0x53: /* LD (nnnn),DE */
+ TSTATE(20);
+ POKEW(FETCH_WORD,cpu->DE.w);
+ break;
+
+ case 0x54: /* NEG */
+ {
+ Z80Byte b;
+
+ TSTATE(8);
+
+ b=cpu->AF.b[HI];
+ cpu->AF.b[HI]=0;
+ SUB8(b);
+ break;
+ }
+
+ case 0x55: /* RETN */
+ TSTATE(14);
+ cpu->IFF1=cpu->IFF2;
+ POP(cpu->PC);
+ break;
+
+ case 0x56: /* IM 1 */
+ TSTATE(8);
+ cpu->IM=1;
+ break;
+
+ case 0x57: /* LD A,I */
+ TSTATE(9);
+ cpu->AF.b[HI]=cpu->I;
+ break;
+
+ case 0x58: /* IN E,(C) */
+ TSTATE(12);
+
+ if (cpu->pread)
+ {
+ cpu->DE.b[LO]=cpu->pread(cpu,cpu->BC.w);
+ }
+ else
+ {
+ cpu->BC.b[LO]=0;
+ }
+
+ cpu->AF.b[LO]=CARRY|PSZtable[cpu->DE.b[LO]];
+ SETHIDDEN(cpu->DE.b[LO]);
+ break;
+
+ case 0x59: /* OUT (C),E */
+ TSTATE(12);
+ if (cpu->pwrite) cpu->pwrite(cpu,cpu->BC.w,cpu->DE.b[LO]);
+ break;
+
+ case 0x5a: /* ADC HL,DE */
+ TSTATE(15);
+ ADC16(cpu->HL.w,cpu->DE.w);
+ break;
+
+ case 0x5b: /* LD DE,(nnnn) */
+ TSTATE(20);
+ cpu->DE.w=PEEKW(FETCH_WORD);
+ break;
+
+ case 0x5c: /* NEG */
+ {
+ Z80Byte b;
+
+ TSTATE(8);
+
+ b=cpu->AF.b[HI];
+ cpu->AF.b[HI]=0;
+ SUB8(b);
+ break;
+ }
+
+ case 0x5d: /* RETN */
+ TSTATE(14);
+ cpu->IFF1=cpu->IFF2;
+ POP(cpu->PC);
+ break;
+
+ case 0x5e: /* IM 2 */
+ TSTATE(8);
+ cpu->IM=2;
+ break;
+
+ case 0x5f: /* LD A,R */
+ TSTATE(9);
+ cpu->AF.b[HI]=cpu->R;
+ break;
+
+ case 0x60: /* IN H,(C) */
+ TSTATE(12);
+
+ if (cpu->pread)
+ {
+ cpu->HL.b[HI]=cpu->pread(cpu,cpu->BC.w);
+ }
+ else
+ {
+ cpu->HL.b[HI]=0;
+ }
+
+ cpu->AF.b[LO]=CARRY|PSZtable[cpu->HL.b[HI]];
+ SETHIDDEN(cpu->HL.b[HI]);
+ break;
+
+ case 0x61: /* OUT (C),H */
+ TSTATE(12);
+ if (cpu->pwrite) cpu->pwrite(cpu,cpu->BC.w,cpu->HL.b[HI]);
+ break;
+
+ case 0x62: /* SBC HL,HL */
+ TSTATE(15);
+ SBC16(cpu->HL.w,cpu->HL.w);
+ break;
+
+ case 0x63: /* LD (nnnn),HL */
+ TSTATE(20);
+ POKEW(FETCH_WORD,cpu->HL.w);
+ break;
+
+ case 0x64: /* NEG */
+ {
+ Z80Byte b;
+
+ TSTATE(8);
+
+ b=cpu->AF.b[HI];
+ cpu->AF.b[HI]=0;
+ SUB8(b);
+ break;
+ }
+
+ case 0x65: /* RETN */
+ TSTATE(14);
+ cpu->IFF1=cpu->IFF2;
+ POP(cpu->PC);
+ break;
+
+ case 0x66: /* IM 0 */
+ TSTATE(8);
+ cpu->IM=0;
+ break;
+
+ case 0x67: /* RRD */
+ {
+ Z80Byte b;
+
+ TSTATE(18);
+
+ b=PEEK(cpu->HL.w);
+
+ POKE(cpu->HL.w,(b>>4)|(cpu->AF.b[HI]<<4));
+ cpu->AF.b[HI]=(cpu->AF.b[HI]&0xf0)|(b&0x0f);
+
+ cpu->AF.b[LO]=CARRY|PSZtable[cpu->AF.b[HI]];
+ SETHIDDEN(cpu->AF.b[HI]);
+ break;
+ }
+
+ case 0x68: /* IN L,(C) */
+ TSTATE(12);
+
+ if (cpu->pread)
+ {
+ cpu->HL.b[LO]=cpu->pread(cpu,cpu->BC.w);
+ }
+ else
+ {
+ cpu->HL.b[LO]=0;
+ }
+
+ cpu->AF.b[LO]=CARRY|PSZtable[cpu->HL.b[LO]];
+ SETHIDDEN(cpu->HL.b[LO]);
+ break;
+
+ case 0x69: /* OUT (C),L */
+ TSTATE(12);
+ if (cpu->pwrite) cpu->pwrite(cpu,cpu->BC.w,cpu->HL.b[LO]);
+ break;
+
+ case 0x6a: /* ADC HL,HL */
+ TSTATE(15);
+ ADC16(cpu->HL.w,cpu->HL.w);
+ break;
+
+ case 0x6b: /* LD HL,(nnnn) */
+ TSTATE(20);
+ cpu->HL.w=PEEKW(FETCH_WORD);
+ break;
+
+ case 0x6c: /* NEG */
+ {
+ Z80Byte b;
+
+ TSTATE(8);
+
+ b=cpu->AF.b[HI];
+ cpu->AF.b[HI]=0;
+ SUB8(b);
+ break;
+ }
+
+ case 0x6d: /* RETN */
+ TSTATE(14);
+ cpu->IFF1=cpu->IFF2;
+ POP(cpu->PC);
+ break;
+
+ case 0x6e: /* IM 0/1 */
+ TSTATE(8);
+ cpu->IM=0;
+ break;
+
+ case 0x6f: /* RLD */
+ {
+ Z80Byte b;
+
+ TSTATE(18);
+
+ b=PEEK(cpu->HL.w);
+
+ POKE(cpu->HL.w,(b<<4)|(cpu->AF.b[HI]&0x0f));
+ cpu->AF.b[HI]=(cpu->AF.b[HI]&0xf0)|(b>>4);
+
+ cpu->AF.b[LO]=CARRY|PSZtable[cpu->AF.b[HI]];
+ SETHIDDEN(cpu->AF.b[HI]);
+ break;
+ }
+
+ case 0x70: /* IN (C) */
+ {
+ Z80Byte b;
+
+ TSTATE(12);
+
+ if (cpu->pread)
+ {
+ b=cpu->pread(cpu,cpu->BC.w);
+ }
+ else
+ {
+ b=0;
+ }
+
+ cpu->AF.b[LO]=CARRY|PSZtable[b];
+ SETHIDDEN(b);
+ break;
+ }
+
+ case 0x71: /* OUT (C) */
+ TSTATE(12);
+ if (cpu->pwrite) cpu->pwrite(cpu,cpu->BC.w,0);
+ break;
+
+ case 0x72: /* SBC HL,SP */
+ TSTATE(15);
+ SBC16(cpu->HL.w,cpu->SP);
+ break;
+
+ case 0x73: /* LD (nnnn),SP */
+ TSTATE(20);
+ POKEW(FETCH_WORD,cpu->SP);
+ break;
+
+ case 0x74: /* NEG */
+ {
+ Z80Byte b;
+
+ TSTATE(8);
+
+ b=cpu->AF.b[HI];
+ cpu->AF.b[HI]=0;
+ SUB8(b);
+ break;
+ }
+
+ case 0x75: /* RETN */
+ TSTATE(14);
+ cpu->IFF1=cpu->IFF2;
+ POP(cpu->PC);
+ break;
+
+ case 0x76: /* IM 1 */
+ TSTATE(8);
+ cpu->IM=1;
+ break;
+
+ case 0x77: /* NOP */
+ TSTATE(8);
+ CALLBACK(eZ80_EDHook,opcode);
+ break;
+
+ case 0x78: /* IN A,(C) */
+ TSTATE(12);
+
+ if (cpu->pread)
+ {
+ cpu->AF.b[HI]=cpu->pread(cpu,cpu->BC.w);
+ }
+ else
+ {
+ cpu->AF.b[HI]=0;
+ }
+
+ cpu->AF.b[LO]=CARRY|PSZtable[cpu->AF.b[HI]];
+ SETHIDDEN(cpu->AF.b[HI]);
+ break;
+
+ case 0x79: /* OUT (C),A */
+ TSTATE(12);
+ if (cpu->pwrite) cpu->pwrite(cpu,cpu->BC.w,cpu->AF.b[HI]);
+ break;
+
+ case 0x7a: /* ADC HL,SP */
+ TSTATE(15);
+ ADC16(cpu->HL.w,cpu->SP);
+ break;
+
+ case 0x7b: /* LD SP,(nnnn) */
+ TSTATE(20);
+ cpu->SP=PEEKW(FETCH_WORD);
+ break;
+
+ case 0x7c: /* NEG */
+ {
+ Z80Byte b;
+
+ TSTATE(8);
+
+ b=cpu->AF.b[HI];
+ cpu->AF.b[HI]=0;
+ SUB8(b);
+ break;
+ }
+
+ case 0x7d: /* RETN */
+ TSTATE(14);
+ cpu->IFF1=cpu->IFF2;
+ POP(cpu->PC);
+ break;
+
+ case 0x7e: /* IM 2 */
+ TSTATE(8);
+ cpu->IM=2;
+ break;
+
+ case 0x7f: /* NOP */
+ TSTATE(8);
+ CALLBACK(eZ80_EDHook,opcode);
+ break;
+
+ case 0xa0: /* LDI */
+ TSTATE(16);
+ LDI;
+ break;
+
+ case 0xa1: /* CPI */
+ TSTATE(16);
+ CPI;
+ break;
+
+ case 0xa2: /* INI */
+ TSTATE(16);
+ INI;
+ break;
+
+ case 0xa3: /* OUTI */
+ TSTATE(16);
+ OUTI;
+ break;
+
+ case 0xa8: /* LDD */
+ TSTATE(16);
+ LDD;
+ break;
+
+ case 0xa9: /* CPD */
+ TSTATE(16);
+ CPD;
+ break;
+
+ case 0xaa: /* IND */
+ TSTATE(16);
+ IND;
+ break;
+
+ case 0xab: /* OUTD */
+ TSTATE(16);
+ OUTD;
+ break;
+
+ case 0xb0: /* LDIR */
+ TSTATE(16);
+ LDI;
+ if (cpu->BC.w)
+ {
+ TSTATE(5);
+ cpu->PC-=2;
+ }
+ break;
+
+ case 0xb1: /* CPIR */
+ TSTATE(16);
+ CPI;
+ if (cpu->BC.w && !IS_Z)
+ {
+ TSTATE(5);
+ cpu->PC-=2;
+ }
+ break;
+
+ case 0xb2: /* INIR */
+ TSTATE(16);
+ INI;
+ if (cpu->BC.w)
+ {
+ TSTATE(5);
+ cpu->PC-=2;
+ }
+ break;
+
+ case 0xb3: /* OTIR */
+ TSTATE(16);
+ OUTI;
+ if (cpu->BC.w)
+ {
+ TSTATE(5);
+ cpu->PC-=2;
+ }
+ break;
+
+ case 0xb8: /* LDDR */
+ TSTATE(16);
+ LDD;
+ if (cpu->BC.w)
+ {
+ TSTATE(5);
+ cpu->PC-=2;
+ }
+ break;
+
+ case 0xb9: /* CPDR */
+ TSTATE(16);
+ CPD;
+ if (cpu->BC.w && !IS_Z)
+ {
+ TSTATE(5);
+ cpu->PC-=2;
+ }
+ break;
+
+ case 0xba: /* INDR */
+ TSTATE(16);
+ IND;
+ if (cpu->BC.w)
+ {
+ TSTATE(5);
+ cpu->PC-=2;
+ }
+ break;
+
+ case 0xbb: /* OTDR */
+ TSTATE(16);
+ OUTD;
+ if (cpu->BC.w)
+ {
+ TSTATE(5);
+ cpu->PC-=2;
+ }
+ break;
+
+ /* All the rest are NOP/invalid
+ */
+ default:
+ TSTATE(8);
+ CALLBACK(eZ80_EDHook,opcode);
+ break;
+ }
+}
+
+
+/* ---------------------------------------- HANDLERS FOR CB OPCODES
+*/
+static void DecodeCB(Z80 *cpu, Z80Byte opcode)
+{
+ switch(opcode)
+ {
+ CB_ALU_BLOCK(0x00,RLC)
+ CB_ALU_BLOCK(0x08,RRC)
+ CB_ALU_BLOCK(0x10,RL)
+ CB_ALU_BLOCK(0x18,RR)
+ CB_ALU_BLOCK(0x20,SLA)
+ CB_ALU_BLOCK(0x28,SRA)
+ CB_ALU_BLOCK(0x30,SLL)
+ CB_ALU_BLOCK(0x38,SRL)
+
+ CB_BITMANIP_BLOCK(0x40,BIT,0)
+ CB_BITMANIP_BLOCK(0x48,BIT,1)
+ CB_BITMANIP_BLOCK(0x50,BIT,2)
+ CB_BITMANIP_BLOCK(0x58,BIT,3)
+ CB_BITMANIP_BLOCK(0x60,BIT,4)
+ CB_BITMANIP_BLOCK(0x68,BIT,5)
+ CB_BITMANIP_BLOCK(0x70,BIT,6)
+ CB_BITMANIP_BLOCK(0x78,BIT,7)
+
+ CB_BITMANIP_BLOCK(0x80,BIT_RES,0)
+ CB_BITMANIP_BLOCK(0x88,BIT_RES,1)
+ CB_BITMANIP_BLOCK(0x90,BIT_RES,2)
+ CB_BITMANIP_BLOCK(0x98,BIT_RES,3)
+ CB_BITMANIP_BLOCK(0xa0,BIT_RES,4)
+ CB_BITMANIP_BLOCK(0xa8,BIT_RES,5)
+ CB_BITMANIP_BLOCK(0xb0,BIT_RES,6)
+ CB_BITMANIP_BLOCK(0xb8,BIT_RES,7)
+
+ CB_BITMANIP_BLOCK(0xc0,BIT_SET,0)
+ CB_BITMANIP_BLOCK(0xc8,BIT_SET,1)
+ CB_BITMANIP_BLOCK(0xd0,BIT_SET,2)
+ CB_BITMANIP_BLOCK(0xd8,BIT_SET,3)
+ CB_BITMANIP_BLOCK(0xe0,BIT_SET,4)
+ CB_BITMANIP_BLOCK(0xe8,BIT_SET,5)
+ CB_BITMANIP_BLOCK(0xf0,BIT_SET,6)
+ CB_BITMANIP_BLOCK(0xf8,BIT_SET,7)
+ }
+}
+
+
+static void ShiftedDecodeCB(Z80 *cpu, Z80Byte opcode, Z80Relative offset)
+{
+ Z80Word addr;
+
+ /* See if we've come here from a IX/IY shift.
+ */
+ switch (cpu->shift)
+ {
+ case 0xdd:
+ addr=cpu->IX.w+offset;
+ break;
+ case 0xfd:
+ addr=cpu->IY.w+offset;
+ break;
+ default:
+ addr=cpu->HL.w; /* Play safe... */
+ break;
+ }
+
+ switch(opcode)
+ {
+ SHIFTED_CB_ALU_BLOCK(0x00,RLC)
+ SHIFTED_CB_ALU_BLOCK(0x08,RRC)
+ SHIFTED_CB_ALU_BLOCK(0x10,RL)
+ SHIFTED_CB_ALU_BLOCK(0x18,RR)
+ SHIFTED_CB_ALU_BLOCK(0x20,SLA)
+ SHIFTED_CB_ALU_BLOCK(0x28,SRA)
+ SHIFTED_CB_ALU_BLOCK(0x30,SLL)
+ SHIFTED_CB_ALU_BLOCK(0x38,SRL)
+
+ SHIFTED_CB_BITMANIP_BLOCK(0x40,BIT,0)
+ SHIFTED_CB_BITMANIP_BLOCK(0x48,BIT,1)
+ SHIFTED_CB_BITMANIP_BLOCK(0x50,BIT,2)
+ SHIFTED_CB_BITMANIP_BLOCK(0x58,BIT,3)
+ SHIFTED_CB_BITMANIP_BLOCK(0x60,BIT,4)
+ SHIFTED_CB_BITMANIP_BLOCK(0x68,BIT,5)
+ SHIFTED_CB_BITMANIP_BLOCK(0x70,BIT,6)
+ SHIFTED_CB_BITMANIP_BLOCK(0x78,BIT,7)
+
+ SHIFTED_CB_BITMANIP_BLOCK(0x80,BIT_RES,0)
+ SHIFTED_CB_BITMANIP_BLOCK(0x88,BIT_RES,1)
+ SHIFTED_CB_BITMANIP_BLOCK(0x90,BIT_RES,2)
+ SHIFTED_CB_BITMANIP_BLOCK(0x98,BIT_RES,3)
+ SHIFTED_CB_BITMANIP_BLOCK(0xa0,BIT_RES,4)
+ SHIFTED_CB_BITMANIP_BLOCK(0xa8,BIT_RES,5)
+ SHIFTED_CB_BITMANIP_BLOCK(0xb0,BIT_RES,6)
+ SHIFTED_CB_BITMANIP_BLOCK(0xb8,BIT_RES,7)
+
+ SHIFTED_CB_BITMANIP_BLOCK(0xc0,BIT_SET,0)
+ SHIFTED_CB_BITMANIP_BLOCK(0xc8,BIT_SET,1)
+ SHIFTED_CB_BITMANIP_BLOCK(0xd0,BIT_SET,2)
+ SHIFTED_CB_BITMANIP_BLOCK(0xd8,BIT_SET,3)
+ SHIFTED_CB_BITMANIP_BLOCK(0xe0,BIT_SET,4)
+ SHIFTED_CB_BITMANIP_BLOCK(0xe8,BIT_SET,5)
+ SHIFTED_CB_BITMANIP_BLOCK(0xf0,BIT_SET,6)
+ SHIFTED_CB_BITMANIP_BLOCK(0xf8,BIT_SET,7)
+ }
+}
+
+
+/* ---------------------------------------- NORMAL OPCODE DECODER
+*/
+void Z80_Decode(Z80 *cpu, Z80Byte opcode)
+{
+ Z80Word *HL;
+ Z80Byte *H;
+ Z80Byte *L;
+ Z80Relative off;
+
+ /* See if we've come here from a IX/IY shift
+ */
+ switch (cpu->shift)
+ {
+ case 0xdd:
+ HL=&(cpu->IX.w);
+ L=cpu->IX.b+LO;
+ H=cpu->IX.b+HI;
+ break;
+ case 0xfd:
+ HL=&(cpu->IY.w);
+ L=cpu->IY.b+LO;
+ H=cpu->IY.b+HI;
+ break;
+ default:
+ HL=&(cpu->HL.w);
+ L=cpu->HL.b+LO;
+ H=cpu->HL.b+HI;
+ break;
+ }
+
+ switch(opcode)
+ {
+ case 0x00: /* NOP */
+ TSTATE(4);
+ break;
+
+ case 0x01: /* LD BC,nnnn */
+ TSTATE(10);
+ cpu->BC.w=FETCH_WORD;
+ break;
+
+ case 0x02: /* LD (BC),A */
+ TSTATE(7);
+ POKE(cpu->BC.w,cpu->AF.b[HI]);
+ break;
+
+ case 0x03: /* INC BC */
+ TSTATE(6);
+ cpu->BC.w++;
+ break;
+
+ case 0x04: /* INC B */
+ TSTATE(4);
+ INC8(cpu->BC.b[HI]);
+ break;
+
+ case 0x05: /* DEC B */
+ TSTATE(4);
+ DEC8(cpu->BC.b[HI]);
+ break;
+
+ case 0x06: /* LD B,n */
+ TSTATE(7);
+ cpu->BC.b[HI]=FETCH_BYTE;
+ break;
+
+ case 0x07: /* RLCA */
+ TSTATE(4);
+ RLCA;
+ break;
+
+ case 0x08: /* EX AF,AF' */
+ TSTATE(4);
+ SWAP(cpu->AF.w,cpu->AF_);
+ break;
+
+ case 0x09: /* ADD HL,BC */
+ TSTATE(11);
+ ADD16(*HL,cpu->BC.w);
+ break;
+
+ case 0x0a: /* LD A,(BC) */
+ TSTATE(7);
+ cpu->AF.b[HI]=PEEK(cpu->BC.w);
+ break;
+
+ case 0x0b: /* DEC BC */
+ TSTATE(6);
+ cpu->BC.w--;
+ break;
+
+ case 0x0c: /* INC C */
+ TSTATE(4);
+ INC8(cpu->BC.b[LO]);
+ break;
+
+ case 0x0d: /* DEC C */
+ TSTATE(4);
+ DEC8(cpu->BC.b[LO]);
+ break;
+
+ case 0x0e: /* LD C,n */
+ TSTATE(7);
+ cpu->BC.b[LO]=FETCH_BYTE;
+ break;
+
+ case 0x0f: /* RRCA */
+ TSTATE(4);
+ RRCA;
+ break;
+
+ case 0x10: /* DJNZ */
+ if (--(cpu->BC.b[HI]))
+ {
+ TSTATE(13);
+ JR;
+ }
+ else
+ {
+ TSTATE(8);
+ NOJR;
+ }
+ break;
+
+ case 0x11: /* LD DE,nnnn */
+ TSTATE(10);
+ cpu->DE.w=FETCH_WORD;
+ break;
+
+ case 0x12: /* LD (DE),A */
+ TSTATE(7);
+ POKE(cpu->DE.w,cpu->AF.b[HI]);
+ break;
+
+ case 0x13: /* INC DE */
+ TSTATE(6);
+ cpu->DE.w++;
+ break;
+
+ case 0x14: /* INC D */
+ TSTATE(4);
+ INC8(cpu->DE.b[HI]);
+ break;
+
+ case 0x15: /* DEC D */
+ TSTATE(4);
+ DEC8(cpu->DE.b[HI]);
+ break;
+
+ case 0x16: /* LD D,n */
+ TSTATE(7);
+ cpu->DE.b[HI]=FETCH_BYTE;
+ break;
+
+ case 0x17: /* RLA */
+ TSTATE(4);
+ RLA;
+ break;
+
+ case 0x18: /* JR d */
+ TSTATE(12);
+ JR;
+ break;
+
+ case 0x19: /* ADD HL,DE */
+ TSTATE(11);
+ ADD16(*HL,cpu->DE.w);
+ break;
+
+ case 0x1a: /* LD A,(DE) */
+ TSTATE(7);
+ cpu->AF.b[HI]=PEEK(cpu->DE.w);
+ break;
+
+ case 0x1b: /* DEC DE */
+ TSTATE(6);
+ cpu->DE.w--;
+ break;
+
+ case 0x1c: /* INC E */
+ TSTATE(4);
+ INC8(cpu->DE.b[LO]);
+ break;
+
+ case 0x1d: /* DEC E */
+ TSTATE(4);
+ DEC8(cpu->DE.b[LO]);
+ break;
+
+ case 0x1e: /* LD E,n */
+ TSTATE(7);
+ cpu->DE.b[LO]=FETCH_BYTE;
+ break;
+
+ case 0x1f: /* RRA */
+ TSTATE(4);
+ RRA;
+ break;
+
+ case 0x20: /* JR NZ,e */
+ JR_COND(!IS_Z);
+ break;
+
+ case 0x21: /* LD HL,nnnn */
+ TSTATE(10);
+ *HL=FETCH_WORD;
+ break;
+
+ case 0x22: /* LD (nnnn),HL */
+ TSTATE(16);
+ POKEW(FETCH_WORD,*HL);
+ break;
+
+ case 0x23: /* INC HL */
+ TSTATE(6);
+ (*HL)++;
+ break;
+
+ case 0x24: /* INC H */
+ TSTATE(4);
+ INC8(*H);
+ break;
+
+ case 0x25: /* DEC H */
+ TSTATE(4);
+ DEC8(*H);
+ break;
+
+ case 0x26: /* LD H,n */
+ TSTATE(7);
+ *H=FETCH_BYTE;
+ break;
+
+ case 0x27: /* DAA */
+ TSTATE(4);
+ DAA(cpu);
+ break;
+
+ case 0x28: /* JR Z,d */
+ JR_COND(IS_Z);
+ break;
+
+ case 0x29: /* ADD HL,HL */
+ TSTATE(11);
+ ADD16(*HL,*HL);
+ break;
+
+ case 0x2a: /* LD HL,(nnnn) */
+ TSTATE(7);
+ *HL=PEEKW(FETCH_WORD);
+ break;
+
+ case 0x2b: /* DEC HL */
+ TSTATE(6);
+ (*HL)--;
+ break;
+
+ case 0x2c: /* INC L */
+ TSTATE(4);
+ INC8(*L);
+ break;
+
+ case 0x2d: /* DEC L */
+ TSTATE(4);
+ DEC8(*L);
+ break;
+
+ case 0x2e: /* LD L,n */
+ TSTATE(7);
+ *L=FETCH_BYTE;
+ break;
+
+ case 0x2f: /* CPL */
+ TSTATE(4);
+ cpu->AF.b[HI]^=0xff;
+ SETFLAG(H_Z80);
+ SETFLAG(N_Z80);
+ SETHIDDEN(cpu->AF.b[HI]);
+ break;
+
+ case 0x30: /* JR NC,d */
+ JR_COND(!IS_C);
+ break;
+
+ case 0x31: /* LD SP,nnnn */
+ TSTATE(10);
+ cpu->SP=FETCH_WORD;
+ break;
+
+ case 0x32: /* LD (nnnn),A */
+ TSTATE(13);
+ POKE(FETCH_WORD,cpu->AF.b[HI]);
+ break;
+
+ case 0x33: /* INC SP */
+ TSTATE(6);
+ cpu->SP++;
+ break;
+
+ case 0x34: /* INC (HL) */
+ TSTATE(11);
+ OFFSET(off);
+ OP_ON_MEM(INC8,*HL+off);
+ break;
+
+ case 0x35: /* DEC (HL) */
+ TSTATE(11);
+ OFFSET(off);
+ OP_ON_MEM(DEC8,*HL+off);
+ break;
+
+ case 0x36: /* LD (HL),n */
+ TSTATE(10);
+ OFFSET(off);
+ cpu->mwrite(cpu,*HL+off,FETCH_BYTE);
+ break;
+
+ case 0x37: /* SCF */
+ TSTATE(4);
+ cpu->AF.b[LO]=(cpu->AF.b[LO]&(S_Z80|Z_Z80|P_Z80))
+ | C_Z80
+ | (cpu->AF.b[HI]&(B3_Z80|B5_Z80));
+ break;
+
+ case 0x38: /* JR C,d */
+ JR_COND(IS_C);
+ break;
+
+ case 0x39: /* ADD HL,SP */
+ TSTATE(11);
+ ADD16(*HL,cpu->SP);
+ break;
+
+ case 0x3a: /* LD A,(nnnn) */
+ TSTATE(13);
+ cpu->AF.b[HI]=cpu->mread(cpu,FETCH_WORD);
+ break;
+
+ case 0x3b: /* DEC SP */
+ TSTATE(6);
+ cpu->SP--;
+ break;
+
+ case 0x3c: /* INC A */
+ TSTATE(4);
+ INC8(cpu->AF.b[HI]);
+ break;
+
+ case 0x3d: /* DEC A */
+ TSTATE(4);
+ DEC8(cpu->AF.b[HI]);
+ break;
+
+ case 0x3e: /* LD A,n */
+ TSTATE(7);
+ cpu->AF.b[HI]=FETCH_BYTE;
+ break;
+
+ case 0x3f: /* CCF */
+ TSTATE(4);
+
+ if (CARRY)
+ SETFLAG(H_Z80);
+ else
+ CLRFLAG(H_Z80);
+
+ cpu->AF.b[LO]^=C_Z80;
+ SETHIDDEN(cpu->AF.b[HI]);
+ break;
+
+ LD_BLOCK(0x40,cpu->BC.b[HI],cpu->BC.b[HI])
+ LD_BLOCK(0x48,cpu->BC.b[LO],cpu->BC.b[LO])
+ LD_BLOCK(0x50,cpu->DE.b[HI],cpu->DE.b[HI])
+ LD_BLOCK(0x58,cpu->DE.b[LO],cpu->DE.b[LO])
+ LD_BLOCK(0x60,*H,cpu->HL.b[HI])
+ LD_BLOCK(0x68,*L,cpu->HL.b[LO])
+
+ case 0x70: /* LD (HL),B */
+ TSTATE(7);
+ OFFSET(off);
+ cpu->mwrite(cpu,*HL+off,cpu->BC.b[HI]);
+ break;
+
+ case 0x71: /* LD (HL),C */
+ TSTATE(7);
+ OFFSET(off);
+ cpu->mwrite(cpu,*HL+off,cpu->BC.b[LO]);
+ break;
+
+ case 0x72: /* LD (HL),D */
+ TSTATE(7);
+ OFFSET(off);
+ cpu->mwrite(cpu,*HL+off,cpu->DE.b[HI]);
+ break;
+
+ case 0x73: /* LD (HL),E */
+ TSTATE(7);
+ OFFSET(off);
+ cpu->mwrite(cpu,*HL+off,cpu->DE.b[LO]);
+ break;
+
+ case 0x74: /* LD (HL),H */
+ TSTATE(7);
+ OFFSET(off);
+ cpu->mwrite(cpu,*HL+off,cpu->HL.b[HI]);
+ break;
+
+ case 0x75: /* LD (HL),L */
+ TSTATE(7);
+ OFFSET(off);
+ cpu->mwrite(cpu,*HL+off,cpu->HL.b[LO]);
+ break;
+
+ case 0x76: /* HALT */
+ TSTATE(4);
+ cpu->PC--;
+
+ if (!cpu->halt)
+ CALLBACK(eZ80_Halt,1);
+
+ cpu->halt=TRUE;
+ break;
+
+ case 0x77: /* LD (HL),A */
+ TSTATE(7);
+ OFFSET(off);
+ cpu->mwrite(cpu,*HL+off,cpu->AF.b[HI]);
+ break;
+
+ LD_BLOCK(0x78,cpu->AF.b[HI],cpu->AF.b[HI])
+
+ ALU_BLOCK(0x80,ADD8)
+ ALU_BLOCK(0x88,ADC8)
+ ALU_BLOCK(0x90,SUB8)
+ ALU_BLOCK(0x98,SBC8)
+ ALU_BLOCK(0xa0,AND)
+ ALU_BLOCK(0xa8,XOR)
+ ALU_BLOCK(0xb0,OR)
+ ALU_BLOCK(0xb8,CMP8)
+
+ case 0xc0: /* RET NZ */
+ RET_COND(!IS_Z);
+ break;
+
+ case 0xc1: /* POP BC */
+ TSTATE(10);
+ POP(cpu->BC.w);
+ break;
+
+ case 0xc2: /* JP NZ,nnnn */
+ JP_COND(!IS_Z);
+ break;
+
+ case 0xc3: /* JP nnnn */
+ JP_COND(1);
+ break;
+
+ case 0xc4: /* CALL NZ,nnnn */
+ CALL_COND(!IS_Z);
+ break;
+
+ case 0xc5: /* PUSH BC */
+ TSTATE(10);
+ PUSH(cpu->BC.w);
+ break;
+
+ case 0xc6: /* ADD A,n */
+ TSTATE(7);
+ ADD8(FETCH_BYTE);
+ break;
+
+ case 0xc7: /* RST 0 */
+ RST(0);
+ break;
+
+ case 0xc8: /* RET Z */
+ RET_COND(IS_Z);
+ break;
+
+ case 0xc9: /* RET */
+ TSTATE(10);
+ POP(cpu->PC);
+ break;
+
+ case 0xca: /* JP Z,nnnn */
+ JP_COND(IS_Z);
+ break;
+
+ case 0xcb: /* CB PREFIX */
+ INC_R;
+
+ /* Check for previous IX/IY shift.
+ */
+ if (cpu->shift!=0)
+ {
+ Z80Relative cb_offset;
+
+ TSTATE(4); /* Wild stab in the dark! */
+ cb_offset=FETCH_BYTE;
+ ShiftedDecodeCB(cpu,FETCH_BYTE,cb_offset);
+ }
+ else
+ {
+ DecodeCB(cpu,FETCH_BYTE);
+ }
+ break;
+
+ case 0xcc: /* CALL Z,nnnn */
+ CALL_COND(IS_Z);
+ break;
+
+ case 0xcd: /* CALL nnnn */
+ CALL_COND(1);
+ break;
+
+ case 0xce: /* ADC A,n */
+ ADC8(FETCH_BYTE);
+ break;
+
+ case 0xcf: /* RST 8 */
+ RST(8);
+ break;
+
+ case 0xd0: /* RET NC */
+ RET_COND(!IS_C);
+ break;
+
+ case 0xd1: /* POP DE */
+ TSTATE(10);
+ POP(cpu->DE.w);
+ break;
+
+ case 0xd2: /* JP NC,nnnn */
+ JP_COND(!IS_C);
+ break;
+
+ case 0xd3: /* OUT (n),A */
+ TSTATE(11);
+ if (cpu->pwrite)
+ cpu->pwrite(cpu,FETCH_BYTE,cpu->AF.b[HI]);
+ else
+ cpu->PC++;
+ break;
+
+ case 0xd4: /* CALL NC,nnnn */
+ CALL_COND(!IS_C);
+ break;
+
+ case 0xd5: /* PUSH DE */
+ TSTATE(11);
+ PUSH(cpu->DE.w);
+ break;
+
+ case 0xd6: /* SUB A,n */
+ TSTATE(7);
+ SUB8(FETCH_BYTE);
+ break;
+
+ case 0xd7: /* RST 10 */
+ RST(0x10);
+ break;
+
+ case 0xd8: /* RET C */
+ RET_COND(IS_C);
+ break;
+
+ case 0xd9: /* EXX */
+ TSTATE(4);
+ SWAP(cpu->BC.w,cpu->BC_);
+ SWAP(cpu->DE.w,cpu->DE_);
+ SWAP(cpu->HL.w,cpu->HL_);
+ break;
+
+ case 0xda: /* JP C,nnnn */
+ JP_COND(IS_C);
+ break;
+
+ case 0xdb: /* IN A,(n) */
+ TSTATE(11);
+ if (cpu->pread)
+ {
+ Z80Word port;
+
+ port=FETCH_BYTE;
+ port|=(Z80Word)cpu->AF.b[HI]<<8;
+ cpu->AF.b[HI]=cpu->pread(cpu,port);
+ }
+ else
+ cpu->PC++;
+ break;
+
+ case 0xdc: /* CALL C,nnnn */
+ CALL_COND(IS_C);
+ break;
+
+ case 0xdd: /* DD PREFIX */
+ TSTATE(4);
+ INC_R;
+
+ cpu->shift=opcode;
+ Z80_Decode(cpu,FETCH_BYTE);
+ break;
+
+ case 0xde: /* SBC A,n */
+ TSTATE(7);
+ SBC8(FETCH_BYTE);
+ break;
+
+ case 0xdf: /* RST 18 */
+ RST(0x18);
+ break;
+
+ case 0xe0: /* RET PO */
+ RET_COND(!IS_P);
+ break;
+
+ case 0xe1: /* POP HL */
+ TSTATE(10);
+ POP(*HL);
+ break;
+
+ case 0xe2: /* JP PO,nnnn */
+ JP_COND(!IS_P);
+ break;
+
+ case 0xe3: /* EX (SP),HL */
+ {
+ Z80Word tmp;
+ TSTATE(19);
+ POP(tmp);
+ PUSH(*HL);
+ *HL=tmp;
+ }
+ break;
+
+ case 0xe4: /* CALL PO,nnnn */
+ CALL_COND(!IS_P);
+ break;
+
+ case 0xe5: /* PUSH HL */
+ TSTATE(10);
+ PUSH(*HL);
+ break;
+
+ case 0xe6: /* AND A,n */
+ TSTATE(7);
+ AND(FETCH_BYTE);
+ break;
+
+ case 0xe7: /* RST 20 */
+ RST(0x20);
+ break;
+
+ case 0xe8: /* RET PE */
+ RET_COND(IS_P);
+ break;
+
+ case 0xe9: /* JP (HL) */
+ TSTATE(4);
+ cpu->PC=*HL;
+ break;
+
+ case 0xea: /* JP PE,nnnn */
+ JP_COND(IS_P);
+ break;
+
+ case 0xeb: /* EX DE,HL */
+ TSTATE(4);
+ SWAP(cpu->DE.w,*HL);
+ break;
+
+ case 0xec: /* CALL PE,nnnn */
+ CALL_COND(IS_P);
+ break;
+
+ case 0xed: /* ED PREFIX */
+ INC_R;
+ DecodeED(cpu,FETCH_BYTE);
+ break;
+
+ case 0xee: /* XOR A,n */
+ TSTATE(7);
+ XOR(FETCH_BYTE);
+ break;
+
+ case 0xef: /* RST 28 */
+ RST(0x28);
+ break;
+
+ case 0xf0: /* RET P */
+ RET_COND(!IS_S);
+ break;
+
+ case 0xf1: /* POP AF */
+ TSTATE(10);
+ POP(cpu->AF.w);
+ break;
+
+ case 0xf2: /* JP P,nnnn */
+ JP_COND(!IS_S);
+ break;
+
+ case 0xf3: /* DI */
+ TSTATE(4);
+ cpu->IFF1=0;
+ cpu->IFF2=0;
+ break;
+
+ case 0xf4: /* CALL P,nnnn */
+ CALL_COND(!IS_S);
+ break;
+
+ case 0xf5: /* PUSH AF */
+ TSTATE(10);
+ PUSH(cpu->AF.w);
+ break;
+
+ case 0xf6: /* OR A,n */
+ TSTATE(7);
+ OR(FETCH_BYTE);
+ break;
+
+ case 0xf7: /* RST 30 */
+ RST(0x30);
+ break;
+
+ case 0xf8: /* RET M */
+ RET_COND(IS_S);
+ break;
+
+ case 0xf9: /* LD SP,HL */
+ TSTATE(6);
+ cpu->SP=*HL;
+ break;
+
+ case 0xfa: /* JP M,nnnn */
+ JP_COND(IS_S);
+ break;
+
+ case 0xfb: /* EI */
+ TSTATE(4);
+ cpu->IFF1=1;
+ cpu->IFF2=1;
+ break;
+
+ case 0xfc: /* CALL M,nnnn */
+ CALL_COND(IS_S);
+ break;
+
+ case 0xfd: /* FD PREFIX */
+ TSTATE(4);
+ INC_R;
+
+ cpu->shift=opcode;
+ Z80_Decode(cpu,FETCH_BYTE);
+ break;
+
+ case 0xfe: /* CP A,n */
+ TSTATE(7);
+ CMP8(FETCH_BYTE);
+ break;
+
+ case 0xff: /* RST 38 */
+ RST(0x38);
+ break;
+
+ }
+}
+
+
+/* END OF FILE */
diff --git a/source/z80_dis.c b/source/z80_dis.c
new file mode 100644
index 0000000..9d42829
--- /dev/null
+++ b/source/z80_dis.c
@@ -0,0 +1,2476 @@
+/*
+
+ z80 - Z80 Emulator
+
+ Copyright (C) 2006 Ian Cowburn <ianc@noddybox.co.uk>
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+
+ -------------------------------------------------------------------------
+
+ $Id$
+
+*/
+static const char ident[]="$Id$";
+
+#ifdef ENABLE_DISASSEM
+
+#include <stdio.h>
+#include <string.h>
+#include <stdarg.h>
+
+#include "z80.h"
+#include "z80_private.h"
+
+static Z80Relative cb_off;
+
+/* ---------------------------------------- SHARED ROUTINES
+*/
+static const char *z80_dis_reg8[]={"b","c","d","e","h","l","(hl)","a"};
+static const char *z80_dis_reg16[]={"bc","de","hl","sp"};
+static const char *z80_dis_condition[]={"nz","z","nc","c","po","pe","p","m"};
+
+static const char *dis_op;
+static const char *dis_arg;
+
+const char *Z80_Dis_Printf(const char *format, ...)
+{
+ static int p=0;
+ static char s[16][80];
+ va_list arg;
+
+ va_start(arg,format);
+ p=(p+1)%16;
+ vsprintf(s[p],format,arg);
+ va_end(arg);
+
+ return s[p];
+}
+
+
+Z80Byte Z80_Dis_FetchByte(Z80 *cpu, Z80Word *pc)
+{
+ return cpu->disread(cpu,(*pc)++);
+}
+
+
+Z80Word Z80_Dis_FetchWord(Z80 *cpu, Z80Word *pc)
+{
+ Z80Byte l,h;
+
+ l=Z80_Dis_FetchByte(cpu,pc);
+ h=Z80_Dis_FetchByte(cpu,pc);
+
+ return ((Z80Word)h<<8)|l;
+}
+
+
+void Z80_Dis_Set(const char *op, const char *arg)
+{
+ dis_op=op;
+ dis_arg=arg;
+}
+
+
+const char *Z80_Dis_GetOp(void)
+{
+ return dis_op ? dis_op : "";
+}
+
+
+const char *Z80_Dis_GetArg(void)
+{
+ return dis_arg ? dis_arg : "";
+}
+
+
+static const char *GetLabel(Z80Word w)
+{
+ if (z80_labels)
+ {
+ int f;
+
+ for(f=0;z80_labels[f].label;f++)
+ {
+ if (z80_labels[f].address==w)
+ {
+ return z80_labels[f].label;
+ }
+ }
+ }
+
+ return NULL;
+}
+
+
+
+/* ---------------------------------------- CB xx BYTE OPCODES
+*/
+static void DIS_RLC_R8 (Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ const char *reg;
+
+ reg=z80_dis_reg8[op%8];
+ Z80_Dis_Set("rlc",reg);
+}
+
+static void DIS_RRC_R8 (Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ const char *reg;
+
+ reg=z80_dis_reg8[op%8];
+ Z80_Dis_Set("rrc",reg);
+}
+
+static void DIS_RL_R8 (Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ const char *reg;
+
+ reg=z80_dis_reg8[op%8];
+ Z80_Dis_Set("rl",reg);
+}
+
+static void DIS_RR_R8 (Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ const char *reg;
+
+ reg=z80_dis_reg8[op%8];
+ Z80_Dis_Set("rr",reg);
+}
+
+static void DIS_SLA_R8 (Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ const char *reg;
+
+ reg=z80_dis_reg8[op%8];
+ Z80_Dis_Set("sla",reg);
+}
+
+static void DIS_SRA_R8 (Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ const char *reg;
+
+ reg=z80_dis_reg8[op%8];
+ Z80_Dis_Set("sra",reg);
+}
+
+static void DIS_SLL_R8 (Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ const char *reg;
+
+ reg=z80_dis_reg8[op%8];
+ Z80_Dis_Set("sll",reg);
+}
+
+static void DIS_SRL_R8 (Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ const char *reg;
+
+ reg=z80_dis_reg8[op%8];
+ Z80_Dis_Set("srl",reg);
+}
+
+static void DIS_BIT_R8 (Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ const char *reg;
+ int bit;
+
+ reg=z80_dis_reg8[op%8];
+ bit=(op-0x40)/8;
+ Z80_Dis_Set("bit",Z80_Dis_Printf("%d,%s",bit,reg));
+}
+
+static void DIS_RES_R8 (Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ const char *reg;
+ int bit;
+
+ reg=z80_dis_reg8[op%8];
+ bit=(op-0x80)/8;
+ Z80_Dis_Set("res",Z80_Dis_Printf("%d,%s",bit,reg));
+}
+
+static void DIS_SET_R8 (Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ const char *reg;
+ int bit;
+
+ reg=z80_dis_reg8[op%8];
+ bit=(op-0xc0)/8;
+ Z80_Dis_Set("set",Z80_Dis_Printf("%d,%s",bit,reg));
+}
+
+/* ---------------------------------------- DD OPCODES
+*/
+
+static const char *IX_RelStr(Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ static char s[80];
+ Z80Relative r;
+
+ r=(Z80Relative)Z80_Dis_FetchByte(z80,pc);
+
+ if (r<0)
+ sprintf(s,"(ix-$%.2x)",-r);
+ else
+ sprintf(s,"(ix+$%.2x)",r);
+
+ return(s);
+}
+
+
+static const char *IX_RelStrCB(Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ static char s[80];
+ Z80Relative r;
+
+ r=(Z80Relative)cb_off;
+
+ if (r<0)
+ sprintf(s,"(ix-$%.2x)",-r);
+ else
+ sprintf(s,"(ix+$%.2x)",r);
+
+ return(s);
+}
+
+
+static const char *XR8(Z80 *z80, int reg, Z80Word *pc)
+{
+ switch(reg)
+ {
+ case 0:
+ return("b");
+ break;
+ case 1:
+ return("c");
+ break;
+ case 2:
+ return("d");
+ break;
+ case 3:
+ return("e");
+ break;
+ case 4:
+ return("ixh");
+ break;
+ case 5:
+ return("ixl");
+ break;
+ case 6:
+ return(IX_RelStr(z80,0,pc));
+ break;
+ case 7:
+ return("a");
+ break;
+ default:
+ return(Z80_Dis_Printf("BUG %d",reg));
+ break;
+ }
+}
+
+static void DIS_DD_NOP(Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ dis_opcode_z80[op](z80,op,pc);
+}
+
+static void DIS_ADD_IX_BC(Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ Z80_Dis_Set("add","ix,bc");
+}
+
+static void DIS_ADD_IX_DE(Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ Z80_Dis_Set("add","ix,de");
+}
+
+static void DIS_LD_IX_WORD(Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ Z80_Dis_Set("ld",Z80_Dis_Printf("ix,$%.4x",Z80_Dis_FetchWord(z80,pc)));
+}
+
+static void DIS_LD_ADDR_IX(Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ Z80Word w;
+ const char *p;
+
+ w=Z80_Dis_FetchWord(z80,pc);
+
+ if ((p=GetLabel(w)))
+ Z80_Dis_Set("ld",Z80_Dis_Printf("(%s),ix",p));
+ else
+ Z80_Dis_Set("ld",Z80_Dis_Printf("($%.4x),ix",w));
+}
+
+static void DIS_INC_IX(Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ Z80_Dis_Set("inc","ix");
+}
+
+static void DIS_INC_IXH(Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ Z80_Dis_Set("inc","ixh");
+}
+
+static void DIS_DEC_IXH(Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ Z80_Dis_Set("dec","ixh");
+}
+
+static void DIS_LD_IXH_BYTE(Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ Z80_Dis_Set("ld",Z80_Dis_Printf("ixh,$%.2x",Z80_Dis_FetchByte(z80,pc)));
+}
+
+static void DIS_ADD_IX_IX(Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ Z80_Dis_Set("add","ix,ix");
+}
+
+static void DIS_LD_IX_ADDR(Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ Z80Word w;
+ const char *p;
+
+ w=Z80_Dis_FetchWord(z80,pc);
+
+ if ((p=GetLabel(w)))
+ Z80_Dis_Set("ld",Z80_Dis_Printf("ix,(%s)",p));
+ else
+ Z80_Dis_Set("ld",Z80_Dis_Printf("ix,($%.4x)",w));
+}
+
+static void DIS_DEC_IX(Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ Z80_Dis_Set("dec","ix");
+}
+
+static void DIS_INC_IXL(Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ Z80_Dis_Set("inc","ixl");
+}
+
+static void DIS_DEC_IXL(Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ Z80_Dis_Set("dec","ixl");
+}
+
+static void DIS_LD_IXL_BYTE(Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ Z80_Dis_Set("ld",Z80_Dis_Printf("ixl,$%.2x",Z80_Dis_FetchByte(z80,pc)));
+}
+
+static void DIS_INC_IIX(Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ Z80_Dis_Set("inc",Z80_Dis_Printf("%s",IX_RelStr(z80,op,pc)));
+}
+
+static void DIS_DEC_IIX(Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ Z80_Dis_Set("dec",Z80_Dis_Printf("%s",IX_RelStr(z80,op,pc)));
+}
+
+static void DIS_LD_IIX_BYTE(Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ const char *rel;
+ int b;
+
+ rel=IX_RelStr(z80,op,pc);
+ b=Z80_Dis_FetchByte(z80,pc);
+ Z80_Dis_Set("ld",Z80_Dis_Printf("%s,$%.2x",rel,b));
+}
+
+
+static void DIS_ADD_IX_SP(Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ Z80_Dis_Set("add","ix,sp");
+}
+
+static void DIS_XLD_R8_R8(Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ int src_r,dest_r;
+ const char *src,*dest;
+
+ dest_r=(op-0x40)/8;
+ src_r=op%8;
+
+ /* IX can't be used as source and destination when reading z80ory
+ */
+ if (dest_r==6)
+ {
+ dest=XR8(z80,dest_r,pc);
+ src=z80_dis_reg8[src_r];
+ }
+ else if (((dest_r==4)||(dest_r==5))&&(src_r==6))
+ {
+ dest=z80_dis_reg8[dest_r];
+ src=XR8(z80,src_r,pc);
+ }
+ else
+ {
+ dest=XR8(z80,dest_r,pc);
+ src=XR8(z80,src_r,pc);
+ }
+
+ Z80_Dis_Set("ld",Z80_Dis_Printf("%s,%s",dest,src));
+}
+
+static void DIS_XADD_R8(Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ Z80_Dis_Set("add",Z80_Dis_Printf("a,%s",XR8(z80,(op%8),pc)));
+}
+
+static void DIS_XADC_R8(Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ Z80_Dis_Set("adc",Z80_Dis_Printf("a,%s",XR8(z80,(op%8),pc)));
+}
+
+static void DIS_XSUB_R8(Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ Z80_Dis_Set("sub",Z80_Dis_Printf("a,%s",XR8(z80,(op%8),pc)));
+}
+
+static void DIS_XSBC_R8(Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ Z80_Dis_Set("sbc",Z80_Dis_Printf("a,%s",XR8(z80,(op%8),pc)));
+}
+
+static void DIS_XAND_R8(Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ Z80_Dis_Set("and",Z80_Dis_Printf("%s",XR8(z80,(op%8),pc)));
+}
+
+static void DIS_XXOR_R8(Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ Z80_Dis_Set("xor",Z80_Dis_Printf("%s",XR8(z80,(op%8),pc)));
+}
+
+static void DIS_X_OR_R8(Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ Z80_Dis_Set("or",Z80_Dis_Printf("%s",XR8(z80,(op%8),pc)));
+}
+
+static void DIS_XCP_R8(Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ Z80_Dis_Set("cp",Z80_Dis_Printf("%s",XR8(z80,(op%8),pc)));
+}
+
+static void DIS_POP_IX(Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ Z80_Dis_Set("pop","ix");
+}
+
+static void DIS_EX_ISP_IX(Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ Z80_Dis_Set("ex","(sp),ix");
+}
+
+static void DIS_PUSH_IX(Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ Z80_Dis_Set("push","ix");
+}
+
+static void DIS_JP_IX(Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ Z80_Dis_Set("jp","(ix)");
+}
+
+static void DIS_LD_SP_IX(Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ Z80_Dis_Set("ld","sp,ix");
+}
+
+static void DIS_DD_CB_DECODE(Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ int nop;
+
+ cb_off=(Z80Relative)Z80_Dis_FetchByte(z80,pc);
+ nop=Z80_Dis_FetchByte(z80,pc);
+ dis_DD_CB_opcode[nop](z80,nop,pc);
+}
+
+static void DIS_DD_DD_DECODE(Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ int nop;
+
+ nop=Z80_Dis_FetchByte(z80,pc);
+ dis_DD_opcode[nop](z80,nop,pc);
+}
+
+static void DIS_DD_ED_DECODE(Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ int nop;
+
+ nop=Z80_Dis_FetchByte(z80,pc);
+ dis_ED_opcode[nop](z80,nop,pc);
+}
+
+static void DIS_DD_FD_DECODE(Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ int nop;
+
+ nop=Z80_Dis_FetchByte(z80,pc);
+ dis_FD_opcode[nop](z80,nop,pc);
+}
+
+
+/* ---------------------------------------- DD CB OPCODES
+*/
+
+static void DIS_RLC_IX (Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ int reg;
+
+ reg=(op%8);
+
+ if (reg==6)
+ Z80_Dis_Set("rlc",Z80_Dis_Printf("%s",IX_RelStrCB(z80,op,pc)));
+ else
+ {
+ Z80_Dis_Set("rlc",Z80_Dis_Printf("%s[%s]",IX_RelStrCB(z80,op,pc),z80_dis_reg8[reg]));
+ }
+}
+
+static void DIS_RRC_IX (Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ int reg;
+
+ reg=(op%8);
+
+ if (reg==6)
+ Z80_Dis_Set("rrc",Z80_Dis_Printf("%s",IX_RelStrCB(z80,op,pc)));
+ else
+ Z80_Dis_Set("rrc",Z80_Dis_Printf("%s[%s]",IX_RelStrCB(z80,op,pc),z80_dis_reg8[reg]));
+}
+
+static void DIS_RL_IX (Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ int reg;
+
+ reg=(op%8);
+
+ if (reg==6)
+ Z80_Dis_Set("rl",Z80_Dis_Printf("%s",IX_RelStrCB(z80,op,pc)));
+ else
+ Z80_Dis_Set("rl",Z80_Dis_Printf("%s[%s]",IX_RelStrCB(z80,op,pc),z80_dis_reg8[reg]));
+}
+
+static void DIS_RR_IX (Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ int reg;
+
+ reg=(op%8);
+
+ if (reg==6)
+ Z80_Dis_Set("rr",Z80_Dis_Printf("%s",IX_RelStrCB(z80,op,pc)));
+ else
+ Z80_Dis_Set("rr",Z80_Dis_Printf("%s[%s]",IX_RelStrCB(z80,op,pc),z80_dis_reg8[reg]));
+}
+
+static void DIS_SLA_IX (Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ int reg;
+
+ reg=(op%8);
+
+ if (reg==6)
+ Z80_Dis_Set("sla",Z80_Dis_Printf("%s",IX_RelStrCB(z80,op,pc)));
+ else
+ Z80_Dis_Set("sla",Z80_Dis_Printf("%s[%s]",IX_RelStrCB(z80,op,pc),z80_dis_reg8[reg]));
+}
+
+static void DIS_SRA_IX (Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ int reg;
+
+ reg=(op%8);
+
+ if (reg==6)
+ Z80_Dis_Set("sra",Z80_Dis_Printf("%s",IX_RelStrCB(z80,op,pc)));
+ else
+ Z80_Dis_Set("sra",Z80_Dis_Printf("%s[%s]",IX_RelStrCB(z80,op,pc),z80_dis_reg8[reg]));
+}
+
+static void DIS_SRL_IX (Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ int reg;
+
+ reg=(op%8);
+
+ if (reg==6)
+ Z80_Dis_Set("srl",Z80_Dis_Printf("%s",IX_RelStrCB(z80,op,pc)));
+ else
+ Z80_Dis_Set("srl",Z80_Dis_Printf("%s[%s]",IX_RelStrCB(z80,op,pc),z80_dis_reg8[reg]));
+}
+
+static void DIS_SLL_IX (Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ int reg;
+
+ reg=(op%8);
+
+ if (reg==6)
+ Z80_Dis_Set("sll",Z80_Dis_Printf("%s",IX_RelStrCB(z80,op,pc)));
+ else
+ Z80_Dis_Set("sll",Z80_Dis_Printf("%s[%s]",IX_RelStrCB(z80,op,pc),z80_dis_reg8[reg]));
+}
+
+static void DIS_BIT_IX (Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ int reg;
+ int bit;
+
+ reg=(op%8);
+ bit=(op-0x40)/8;
+
+ if (reg==6)
+ Z80_Dis_Set("bit",Z80_Dis_Printf("%d,%s",bit,IX_RelStrCB(z80,op,pc)));
+ else
+ Z80_Dis_Set("bit",Z80_Dis_Printf("%d,%s[%s]",bit,IX_RelStrCB(z80,op,pc),z80_dis_reg8[reg]));
+}
+
+static void DIS_RES_IX (Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ int reg;
+ int bit;
+
+ reg=(op%8);
+ bit=(op-0x80)/8;
+
+ if (reg==6)
+ Z80_Dis_Set("res",Z80_Dis_Printf("%d,%s",bit,IX_RelStrCB(z80,op,pc)));
+ else
+ Z80_Dis_Set("res",Z80_Dis_Printf("%d,%s[%s]",bit,IX_RelStrCB(z80,op,pc),z80_dis_reg8[reg]));
+}
+
+static void DIS_SET_IX (Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ int reg;
+ int bit;
+
+ reg=(op%8);
+ bit=(op-0xc0)/8;
+
+ if (reg==6)
+ Z80_Dis_Set("set",Z80_Dis_Printf("%d,%s",bit,IX_RelStrCB(z80,op,pc)));
+ else
+ Z80_Dis_Set("set",Z80_Dis_Printf("%d,%s[%s]",bit,IX_RelStrCB(z80,op,pc),z80_dis_reg8[reg]));
+}
+
+
+/* ---------------------------------------- ED OPCODES
+*/
+
+static const char *ER8(int reg)
+{
+ switch(reg)
+ {
+ case 0:
+ return("b");
+ break;
+ case 1:
+ return("c");
+ break;
+ case 2:
+ return("d");
+ break;
+ case 3:
+ return("e");
+ break;
+ case 4:
+ return("h");
+ break;
+ case 5:
+ return("l");
+ break;
+ case 6:
+ return("0");
+ break;
+ case 7:
+ return("a");
+ break;
+ }
+
+ return "?";
+}
+
+/* Assumes illegal ED ops are being used for break points
+*/
+static void DIS_ED_NOP(Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ Z80_Dis_Set("brk",Z80_Dis_Printf("$%.2x",op));
+}
+
+static void DIS_IN_R8_C(Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ Z80_Dis_Set("in",Z80_Dis_Printf("%s,(c)",ER8((op-0x40)/8)));
+}
+
+static void DIS_OUT_C_R8(Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ Z80_Dis_Set("out",Z80_Dis_Printf("(c),%s",ER8((op-0x40)/8)));
+}
+
+static void DIS_SBC_HL_R16(Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ Z80_Dis_Set("sbc",Z80_Dis_Printf("hl,%s",z80_dis_reg16[(op-0x40)/16]));
+}
+
+static void DIS_ED_LD_ADDR_R16(Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ Z80Word w;
+ const char *p;
+
+ w=Z80_Dis_FetchWord(z80,pc);
+
+ if ((p=GetLabel(w)))
+ Z80_Dis_Set("ld",Z80_Dis_Printf("(%s),%s",p,z80_dis_reg16[(op-0x40)/16]));
+ else
+ Z80_Dis_Set("ld",Z80_Dis_Printf("($%.4x),%s",w,z80_dis_reg16[(op-0x40)/16]));
+}
+
+static void DIS_NEG(Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ Z80_Dis_Set("neg",NULL);
+}
+
+static void DIS_RETN(Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ Z80_Dis_Set("retn",NULL);
+}
+
+static void DIS_IM_0(Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ Z80_Dis_Set("im","0");
+}
+
+static void DIS_LD_I_A(Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ Z80_Dis_Set("ld","i,a");
+}
+
+static void DIS_ADC_HL_R16(Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ Z80_Dis_Set("adc",Z80_Dis_Printf("hl,%s",z80_dis_reg16[(op-0x40)/16]));
+}
+
+static void DIS_ED_LD_R16_ADDR(Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ Z80Word w;
+ const char *p;
+
+ w=Z80_Dis_FetchWord(z80,pc);
+
+ if ((p=GetLabel(w)))
+ Z80_Dis_Set("ld",Z80_Dis_Printf("%s,(%s)",z80_dis_reg16[(op-0x40)/16],p));
+ else
+ Z80_Dis_Set("ld",Z80_Dis_Printf("%s,($%.4x)",z80_dis_reg16[(op-0x40)/16],w));
+}
+
+static void DIS_RETI(Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ Z80_Dis_Set("reti",NULL);
+}
+
+static void DIS_LD_R_A(Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ Z80_Dis_Set("ld","r,a");
+}
+
+static void DIS_IM_1(Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ Z80_Dis_Set("im","1");
+}
+
+static void DIS_LD_A_I(Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ Z80_Dis_Set("ld","a,i");
+}
+
+static void DIS_IM_2(Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ Z80_Dis_Set("im","2");
+}
+
+static void DIS_LD_A_R(Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ Z80_Dis_Set("ld","a,r");
+}
+
+static void DIS_RRD(Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ Z80_Dis_Set("rrd",NULL);
+}
+
+static void DIS_RLD(Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ Z80_Dis_Set("rld",NULL);
+}
+
+static void DIS_LDI(Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ Z80_Dis_Set("ldi",NULL);
+}
+
+static void DIS_CPI(Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ Z80_Dis_Set("cpi",NULL);
+}
+
+static void DIS_INI(Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ Z80_Dis_Set("ini",NULL);
+}
+
+static void DIS_OUTI(Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ Z80_Dis_Set("outi",NULL);
+}
+
+static void DIS_LDD(Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ Z80_Dis_Set("ldd",NULL);
+}
+
+static void DIS_CPD(Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ Z80_Dis_Set("cpd",NULL);
+}
+
+static void DIS_IND(Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ Z80_Dis_Set("ind",NULL);
+}
+
+static void DIS_OUTD(Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ Z80_Dis_Set("outd",NULL);
+}
+
+static void DIS_LDIR(Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ Z80_Dis_Set("ldir",NULL);
+}
+
+static void DIS_CPIR(Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ Z80_Dis_Set("cpir",NULL);
+}
+
+static void DIS_INIR(Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ Z80_Dis_Set("inir",NULL);
+}
+
+static void DIS_OTIR(Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ Z80_Dis_Set("otir",NULL);
+}
+
+static void DIS_LDDR(Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ Z80_Dis_Set("lddr",NULL);
+}
+
+static void DIS_CPDR(Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ Z80_Dis_Set("cpdr",NULL);
+}
+
+static void DIS_INDR(Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ Z80_Dis_Set("indr",NULL);
+}
+
+static void DIS_OTDR(Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ Z80_Dis_Set("otdr",NULL);
+}
+
+
+/* ---------------------------------------- FD OPCODES
+*/
+
+static const char *IY_RelStr(Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ static char s[80];
+ Z80Relative r;
+
+ r=(Z80Relative)Z80_Dis_FetchByte(z80,pc);
+
+ if (r<0)
+ sprintf(s,"(iy-$%.2x)",-r);
+ else
+ sprintf(s,"(iy+$%.2x)",r);
+
+ return(s);
+}
+
+
+static const char *IY_RelStrCB(Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ static char s[80];
+ Z80Relative r;
+
+ r=(Z80Relative)cb_off;
+
+ if (r<0)
+ sprintf(s,"(iy-$%.2x)",-r);
+ else
+ sprintf(s,"(iy+$%.2x)",r);
+
+ return(s);
+}
+
+
+static const char *YR8(Z80 *z80, int reg, Z80Word *pc)
+{
+ switch(reg)
+ {
+ case 0:
+ return("b");
+ break;
+ case 1:
+ return("c");
+ break;
+ case 2:
+ return("d");
+ break;
+ case 3:
+ return("e");
+ break;
+ case 4:
+ return("iyh");
+ break;
+ case 5:
+ return("iyl");
+ break;
+ case 6:
+ return(IY_RelStr(z80,0,pc));
+ break;
+ case 7:
+ return("a");
+ break;
+ default:
+ return(Z80_Dis_Printf("BUG %d",reg));
+ break;
+ }
+}
+
+static void DIS_FD_NOP(Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ dis_opcode_z80[op](z80,op,pc);
+}
+
+static void DIS_ADD_IY_BC(Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ Z80_Dis_Set("add","iy,bc");
+}
+
+static void DIS_ADD_IY_DE(Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ Z80_Dis_Set("add","iy,de");
+}
+
+static void DIS_LD_IY_WORD(Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ Z80_Dis_Set("ld",Z80_Dis_Printf("iy,$%.4x",Z80_Dis_FetchWord(z80,pc)));
+}
+
+static void DIS_LD_ADDR_IY(Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ Z80Word w;
+ const char *p;
+
+ w=Z80_Dis_FetchWord(z80,pc);
+
+ if ((p=GetLabel(w)))
+ Z80_Dis_Set("ld",Z80_Dis_Printf("(%s),iy",p));
+ else
+ Z80_Dis_Set("ld",Z80_Dis_Printf("($%.4x),iy",w));
+}
+
+static void DIS_INC_IY(Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ Z80_Dis_Set("inc","iy");
+}
+
+static void DIS_INC_IYH(Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ Z80_Dis_Set("inc","iyh");
+}
+
+static void DIS_DEC_IYH(Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ Z80_Dis_Set("dec","iyh");
+}
+
+static void DIS_LD_IYH_BYTE(Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ Z80_Dis_Set("ld",Z80_Dis_Printf("iyh,$%.2x",Z80_Dis_FetchByte(z80,pc)));
+}
+
+static void DIS_ADD_IY_IY(Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ Z80_Dis_Set("add","iy,iy");
+}
+
+static void DIS_LD_IY_ADDR(Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ Z80Word w;
+ const char *p;
+
+ w=Z80_Dis_FetchWord(z80,pc);
+
+ if ((p=GetLabel(w)))
+ Z80_Dis_Set("ld",Z80_Dis_Printf("iy,(%s)",p));
+ else
+ Z80_Dis_Set("ld",Z80_Dis_Printf("iy,($%.4x)",w));
+}
+
+static void DIS_DEC_IY(Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ Z80_Dis_Set("dec","iy");
+}
+
+static void DIS_INC_IYL(Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ Z80_Dis_Set("inc","iyl");
+}
+
+static void DIS_DEC_IYL(Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ Z80_Dis_Set("dec","iyl");
+}
+
+static void DIS_LD_IYL_BYTE(Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ Z80_Dis_Set("ld",Z80_Dis_Printf("iyl,$%.2x",Z80_Dis_FetchByte(z80,pc)));
+}
+
+static void DIS_INC_IIY(Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ Z80_Dis_Set("inc",Z80_Dis_Printf("%s",IY_RelStr(z80,op,pc)));
+}
+
+static void DIS_DEC_IIY(Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ Z80_Dis_Set("dec",Z80_Dis_Printf("%s",IY_RelStr(z80,op,pc)));
+}
+
+static void DIS_LD_IIY_BYTE(Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ const char *rel;
+ int b;
+
+ rel=IY_RelStr(z80,op,pc);
+ b=Z80_Dis_FetchByte(z80,pc);
+ Z80_Dis_Set("ld",Z80_Dis_Printf("%s,$%.2x",rel,b));
+}
+
+
+static void DIS_ADD_IY_SP(Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ Z80_Dis_Set("add","iy,sp");
+}
+
+static void DIS_YLD_R8_R8(Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ int src_r,dest_r;
+ const char *src,*dest;
+
+ dest_r=(op-0x40)/8;
+ src_r=op%8;
+
+ /* IY can't be used as source and destination when reading z80ory
+ */
+ if (dest_r==6)
+ {
+ dest=YR8(z80,dest_r,pc);
+ src=z80_dis_reg8[src_r];
+ }
+ else if (((dest_r==4)||(dest_r==5))&&(src_r==6))
+ {
+ dest=z80_dis_reg8[dest_r];
+ src=YR8(z80,src_r,pc);
+ }
+ else
+ {
+ dest=YR8(z80,dest_r,pc);
+ src=YR8(z80,src_r,pc);
+ }
+
+ Z80_Dis_Set("ld",Z80_Dis_Printf("%s,%s",dest,src));
+}
+
+static void DIS_YADD_R8(Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ Z80_Dis_Set("add",Z80_Dis_Printf("a,%s",YR8(z80,(op%8),pc)));
+}
+
+static void DIS_YADC_R8(Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ Z80_Dis_Set("adc",Z80_Dis_Printf("a,%s",YR8(z80,(op%8),pc)));
+}
+
+static void DIS_YSUB_R8(Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ Z80_Dis_Set("sub",Z80_Dis_Printf("a,%s",YR8(z80,(op%8),pc)));
+}
+
+static void DIS_YSBC_R8(Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ Z80_Dis_Set("sbc",Z80_Dis_Printf("a,%s",YR8(z80,(op%8),pc)));
+}
+
+static void DIS_YAND_R8(Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ Z80_Dis_Set("and",Z80_Dis_Printf("%s",YR8(z80,(op%8),pc)));
+}
+
+static void DIS_YYOR_R8(Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ Z80_Dis_Set("xor",Z80_Dis_Printf("%s",YR8(z80,(op%8),pc)));
+}
+
+static void DIS_Y_OR_R8(Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ Z80_Dis_Set("or",Z80_Dis_Printf("%s",YR8(z80,(op%8),pc)));
+}
+
+static void DIS_YCP_R8(Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ Z80_Dis_Set("cp",Z80_Dis_Printf("%s",YR8(z80,(op%8),pc)));
+}
+
+static void DIS_POP_IY(Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ Z80_Dis_Set("pop","iy");
+}
+
+static void DIS_EY_ISP_IY(Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ Z80_Dis_Set("ex","(sp),iy");
+}
+
+static void DIS_PUSH_IY(Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ Z80_Dis_Set("push","iy");
+}
+
+static void DIS_JP_IY(Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ Z80_Dis_Set("jp","(iy)");
+}
+
+static void DIS_LD_SP_IY(Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ Z80_Dis_Set("ld","sp,iy");
+}
+
+static void DIS_FD_CB_DECODE(Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ int nop;
+
+ cb_off=(Z80Relative)Z80_Dis_FetchByte(z80,pc);
+ nop=Z80_Dis_FetchByte(z80,pc);
+ dis_FD_CB_opcode[nop](z80,nop,pc);
+}
+
+static void DIS_FD_DD_DECODE(Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ int nop;
+
+ nop=Z80_Dis_FetchByte(z80,pc);
+ dis_DD_opcode[nop](z80,nop,pc);
+}
+
+static void DIS_FD_ED_DECODE(Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ int nop;
+
+ nop=Z80_Dis_FetchByte(z80,pc);
+ dis_ED_opcode[nop](z80,nop,pc);
+}
+
+static void DIS_FD_FD_DECODE(Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ int nop;
+
+ nop=Z80_Dis_FetchByte(z80,pc);
+ dis_FD_opcode[nop](z80,nop,pc);
+}
+
+
+/* ---------------------------------------- FD CB OPCODES
+*/
+
+static void DIS_RLC_IY (Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ int reg;
+
+ reg=(op%8);
+
+ if (reg==6)
+ Z80_Dis_Set("rlc",Z80_Dis_Printf("%s",IY_RelStrCB(z80,op,pc)));
+ else
+ Z80_Dis_Set("rlc",Z80_Dis_Printf("%s[%s]",IY_RelStrCB(z80,op,pc),z80_dis_reg8[reg]));
+}
+
+static void DIS_RRC_IY (Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ int reg;
+
+ reg=(op%8);
+
+ if (reg==6)
+ Z80_Dis_Set("rrc",Z80_Dis_Printf("%s",IY_RelStrCB(z80,op,pc)));
+ else
+ Z80_Dis_Set("rrc",Z80_Dis_Printf("%s[%s]",IY_RelStrCB(z80,op,pc),z80_dis_reg8[reg]));
+}
+
+static void DIS_RL_IY (Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ int reg;
+
+ reg=(op%8);
+
+ if (reg==6)
+ Z80_Dis_Set("rl",Z80_Dis_Printf("%s",IY_RelStrCB(z80,op,pc)));
+ else
+ Z80_Dis_Set("rl",Z80_Dis_Printf("%s[%s]",IY_RelStrCB(z80,op,pc),z80_dis_reg8[reg]));
+}
+
+static void DIS_RR_IY (Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ int reg;
+
+ reg=(op%8);
+
+ if (reg==6)
+ Z80_Dis_Set("rr",Z80_Dis_Printf("%s",IY_RelStrCB(z80,op,pc)));
+ else
+ Z80_Dis_Set("rr",Z80_Dis_Printf("%s[%s]",IY_RelStrCB(z80,op,pc),z80_dis_reg8[reg]));
+}
+
+static void DIS_SLA_IY (Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ int reg;
+
+ reg=(op%8);
+
+ if (reg==6)
+ Z80_Dis_Set("sla",Z80_Dis_Printf("%s",IY_RelStrCB(z80,op,pc)));
+ else
+ Z80_Dis_Set("sla",Z80_Dis_Printf("%s[%s]",IY_RelStrCB(z80,op,pc),z80_dis_reg8[reg]));
+}
+
+static void DIS_SRA_IY (Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ int reg;
+
+ reg=(op%8);
+
+ if (reg==6)
+ Z80_Dis_Set("sra",Z80_Dis_Printf("%s",IY_RelStrCB(z80,op,pc)));
+ else
+ Z80_Dis_Set("sra",Z80_Dis_Printf("%s[%s]",IY_RelStrCB(z80,op,pc),z80_dis_reg8[reg]));
+}
+
+static void DIS_SRL_IY (Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ int reg;
+
+ reg=(op%8);
+
+ if (reg==6)
+ Z80_Dis_Set("srl",Z80_Dis_Printf("%s",IY_RelStrCB(z80,op,pc)));
+ else
+ Z80_Dis_Set("srl",Z80_Dis_Printf("%s[%s]",IY_RelStrCB(z80,op,pc),z80_dis_reg8[reg]));
+}
+
+static void DIS_SLL_IY (Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ int reg;
+
+ reg=(op%8);
+
+ if (reg==6)
+ Z80_Dis_Set("sll",Z80_Dis_Printf("%s",IY_RelStrCB(z80,op,pc)));
+ else
+ Z80_Dis_Set("sll",Z80_Dis_Printf("%s[%s]",IY_RelStrCB(z80,op,pc),z80_dis_reg8[reg]));
+}
+
+static void DIS_BIT_IY (Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ int reg;
+ int bit;
+
+ reg=(op%8);
+ bit=(op-0x40)/8;
+
+ if (reg==6)
+ Z80_Dis_Set("bit",Z80_Dis_Printf("%d,%s",bit,IY_RelStrCB(z80,op,pc)));
+ else
+ Z80_Dis_Set("bit",Z80_Dis_Printf("%d,%s[%s]",bit,IY_RelStrCB(z80,op,pc),z80_dis_reg8[reg]));
+}
+
+static void DIS_RES_IY (Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ int reg;
+ int bit;
+
+ reg=(op%8);
+ bit=(op-0x80)/8;
+
+ if (reg==6)
+ Z80_Dis_Set("res",Z80_Dis_Printf("%d,%s",bit,IY_RelStrCB(z80,op,pc)));
+ else
+ Z80_Dis_Set("res",Z80_Dis_Printf("%d,%s[%s]",bit,IY_RelStrCB(z80,op,pc),z80_dis_reg8[reg]));
+}
+
+static void DIS_SET_IY (Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ int reg;
+ int bit;
+
+ reg=(op%8);
+ bit=(op-0xc0)/8;
+
+ if (reg==6)
+ Z80_Dis_Set("set",Z80_Dis_Printf("%d,%s",bit,IY_RelStrCB(z80,op,pc)));
+ else
+ Z80_Dis_Set("set",Z80_Dis_Printf("%d,%s[%s]",bit,IY_RelStrCB(z80,op,pc),z80_dis_reg8[reg]));
+}
+
+
+/* ---------------------------------------- SINGLE BYTE OPCODES
+*/
+static void DIS_NOP (Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ Z80_Dis_Set("nop",NULL);
+}
+
+static void DIS_LD_R16_WORD (Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ const char *reg;
+
+ reg=z80_dis_reg16[(op&0x30)/0x10];
+ Z80_Dis_Set("ld",Z80_Dis_Printf("%s,$%.4x",reg,Z80_Dis_FetchWord(z80,pc)));
+}
+
+static void DIS_LD_R16_A (Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ const char *reg;
+
+ reg=z80_dis_reg16[(op&0x30)/0x10];
+ Z80_Dis_Set("ld",Z80_Dis_Printf("(%s),a",reg));
+}
+
+static void DIS_INC_R16 (Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ const char *reg;
+
+ reg=z80_dis_reg16[(op&0x30)/0x10];
+ Z80_Dis_Set("inc",reg);
+}
+
+static void DIS_INC_R8 (Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ const char *reg;
+
+ reg=z80_dis_reg8[(op&0x38)/0x8];
+ Z80_Dis_Set("inc",reg);
+}
+
+static void DIS_DEC_R8 (Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ const char *reg;
+
+ reg=z80_dis_reg8[(op&0x38)/0x8];
+ Z80_Dis_Set("dec",reg);
+}
+
+static void DIS_LD_R8_BYTE (Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ const char *reg;
+
+ reg=z80_dis_reg8[(op&0x38)/0x8];
+ Z80_Dis_Set("ld",Z80_Dis_Printf("%s,$%.2x",reg,Z80_Dis_FetchByte(z80,pc)));
+}
+
+static void DIS_RLCA (Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ Z80_Dis_Set("rlca",NULL);
+}
+
+static void DIS_EX_AF_AF (Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ Z80_Dis_Set("ex","af,af'");
+}
+
+static void DIS_ADD_HL_R16 (Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ const char *reg;
+
+ reg=z80_dis_reg16[(op&0x30)/0x10];
+ Z80_Dis_Set("add",Z80_Dis_Printf("hl,%s",reg));
+}
+
+static void DIS_LD_A_R16 (Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ const char *reg;
+
+ reg=z80_dis_reg16[(op&0x30)/0x10];
+ Z80_Dis_Set("ld",Z80_Dis_Printf("a,(%s)",reg));
+}
+
+static void DIS_DEC_R16 (Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ const char *reg;
+
+ reg=z80_dis_reg16[(op&0x30)/0x10];
+ Z80_Dis_Set("dec",reg);
+}
+
+static void DIS_RRCA (Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ Z80_Dis_Set("rrca",NULL);
+}
+
+static void DIS_DJNZ (Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ Z80Word new;
+
+ new=*pc+(Z80Relative)z80->disread(z80,*pc)+1;
+ (*pc)++;
+ Z80_Dis_Set("djnz",Z80_Dis_Printf("$%.4x",new));
+}
+
+static void DIS_RLA (Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ Z80_Dis_Set("rla",NULL);
+}
+
+static void DIS_JR (Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ Z80Word new;
+ const char *p;
+
+ new=*pc+(Z80Relative)z80->disread(z80,*pc)+1;
+ (*pc)++;
+
+ if ((p=GetLabel(new)))
+ Z80_Dis_Set("jr",Z80_Dis_Printf("%s",p));
+ else
+ Z80_Dis_Set("jr",Z80_Dis_Printf("$%.4x",new));
+}
+
+static void DIS_RRA (Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ Z80_Dis_Set("rra",NULL);
+}
+
+static void DIS_JR_CO (Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ const char *con;
+ Z80Word new;
+ const char *p;
+
+ con=z80_dis_condition[(op-0x20)/8];
+ new=*pc+(Z80Relative)z80->disread(z80,*pc)+1;
+ (*pc)++;
+
+ if ((p=GetLabel(new)))
+ Z80_Dis_Set("jr",Z80_Dis_Printf("%s,%s",con,p));
+ else
+ Z80_Dis_Set("jr",Z80_Dis_Printf("%s,$%.4x",con,new));
+}
+
+static void DIS_LD_ADDR_HL (Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ Z80Word w;
+ const char *p;
+
+ w=Z80_Dis_FetchWord(z80,pc);
+
+ if ((p=GetLabel(w)))
+ Z80_Dis_Set("ld",Z80_Dis_Printf("(%s),hl",p));
+ else
+ Z80_Dis_Set("ld",Z80_Dis_Printf("($%.4x),hl",w));
+}
+
+static void DIS_DAA (Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ Z80_Dis_Set("daa",NULL);
+}
+
+static void DIS_LD_HL_ADDR (Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ Z80Word w;
+ const char *p;
+
+ w=Z80_Dis_FetchWord(z80,pc);
+
+ if ((p=GetLabel(w)))
+ Z80_Dis_Set("ld",Z80_Dis_Printf("hl,(%s)",p));
+ else
+ Z80_Dis_Set("ld",Z80_Dis_Printf("hl,($%.4x)",w));
+}
+
+static void DIS_CPL (Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ Z80_Dis_Set("cpl",NULL);
+}
+
+static void DIS_LD_ADDR_A (Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ Z80Word w;
+ const char *p;
+
+ w=Z80_Dis_FetchWord(z80,pc);
+
+ if ((p=GetLabel(w)))
+ Z80_Dis_Set("ld",Z80_Dis_Printf("(%s),a",p));
+ else
+ Z80_Dis_Set("ld",Z80_Dis_Printf("($%.4x),a",w));
+}
+
+static void DIS_SCF (Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ Z80_Dis_Set("scf",NULL);
+}
+
+static void DIS_LD_A_ADDR (Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ Z80Word w;
+ const char *p;
+
+ w=Z80_Dis_FetchWord(z80,pc);
+
+ if ((p=GetLabel(w)))
+ Z80_Dis_Set("ld",Z80_Dis_Printf("a,(%s)",p));
+ else
+ Z80_Dis_Set("ld",Z80_Dis_Printf("a,($%.4x)",w));
+}
+
+static void DIS_CCF (Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ Z80_Dis_Set("ccf",NULL);
+}
+
+static void DIS_LD_R8_R8 (Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ const char *src,*dest;
+
+ dest=z80_dis_reg8[(op-0x40)/8];
+ src=z80_dis_reg8[op%8];
+ Z80_Dis_Set("ld",Z80_Dis_Printf("%s,%s",dest,src));
+}
+
+static void DIS_HALT (Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ Z80_Dis_Set("halt",NULL);
+}
+
+static void DIS_ADD_R8 (Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ const char *reg;
+
+ reg=z80_dis_reg8[op%8];
+ Z80_Dis_Set("add",Z80_Dis_Printf("a,%s",reg));
+}
+
+static void DIS_ADC_R8 (Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ const char *reg;
+
+ reg=z80_dis_reg8[op%8];
+ Z80_Dis_Set("adc",Z80_Dis_Printf("a,%s",reg));
+}
+
+static void DIS_SUB_R8 (Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ const char *reg;
+
+ reg=z80_dis_reg8[op%8];
+ Z80_Dis_Set("sub",Z80_Dis_Printf("a,%s",reg));
+}
+
+static void DIS_SBC_R8 (Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ const char *reg;
+
+ reg=z80_dis_reg8[op%8];
+ Z80_Dis_Set("sbc",Z80_Dis_Printf("a,%s",reg));
+}
+
+static void DIS_AND_R8 (Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ const char *reg;
+
+ reg=z80_dis_reg8[op%8];
+ Z80_Dis_Set("and",Z80_Dis_Printf("%s",reg));
+}
+
+static void DIS_XOR_R8 (Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ const char *reg;
+
+ reg=z80_dis_reg8[op%8];
+ Z80_Dis_Set("xor",Z80_Dis_Printf("%s",reg));
+}
+
+static void DIS_OR_R8 (Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ const char *reg;
+
+ reg=z80_dis_reg8[op%8];
+ Z80_Dis_Set("or",Z80_Dis_Printf("%s",reg));
+}
+
+static void DIS_CP_R8 (Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ const char *reg;
+
+ reg=z80_dis_reg8[op%8];
+ Z80_Dis_Set("cp",Z80_Dis_Printf("%s",reg));
+}
+
+
+static void DIS_RET_CO (Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ const char *con;
+
+ con=z80_dis_condition[(op-0xc0)/8];
+ Z80_Dis_Set("ret",con);
+}
+
+static void DIS_POP_R16 (Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ const char *reg;
+
+ reg=z80_dis_reg16[(op-0xc0)/16];
+
+ if (!strcmp(reg,"sp"))
+ reg="af";
+
+ Z80_Dis_Set("pop",reg);
+}
+
+static void DIS_JP (Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ Z80Word w;
+ const char *p;
+
+ w=Z80_Dis_FetchWord(z80,pc);
+
+ if ((p=GetLabel(w)))
+ Z80_Dis_Set("jp",Z80_Dis_Printf("%s",p));
+ else
+ Z80_Dis_Set("jp",Z80_Dis_Printf("$%.4x",w));
+}
+
+static void DIS_PUSH_R16 (Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ const char *reg;
+
+ reg=z80_dis_reg16[(op-0xc0)/16];
+
+ if (!strcmp(reg,"sp"))
+ reg="af";
+
+ Z80_Dis_Set("push",reg);
+}
+
+static void DIS_ADD_A_BYTE (Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ Z80_Dis_Set("add",Z80_Dis_Printf("a,$%.2x",Z80_Dis_FetchByte(z80,pc)));
+}
+
+static void DIS_RST (Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ int add;
+
+ add=(op&0x3f)-7;
+ Z80_Dis_Set("rst",Z80_Dis_Printf("%.2xh",add));
+}
+
+static void DIS_RET (Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ Z80_Dis_Set("ret",NULL);
+}
+
+static void DIS_JP_CO (Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ const char *con;
+ Z80Word w;
+ const char *p;
+
+ w=Z80_Dis_FetchWord(z80,pc);
+ con=z80_dis_condition[(op-0xc0)/8];
+
+ if ((p=GetLabel(w)))
+ Z80_Dis_Set("jp",Z80_Dis_Printf("%s,%s",con,p));
+ else
+ Z80_Dis_Set("jp",Z80_Dis_Printf("%s,$%.4x",con,w));
+}
+
+static void DIS_CB_DECODE (Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ int nop;
+
+ nop=Z80_Dis_FetchByte(z80,pc);
+ dis_CB_opcode[nop](z80,nop,pc);
+}
+
+static void DIS_CALL_CO (Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ const char *con;
+ Z80Word w;
+ const char *p;
+
+ w=Z80_Dis_FetchWord(z80,pc);
+ con=z80_dis_condition[(op-0xc0)/8];
+
+ if ((p=GetLabel(w)))
+ Z80_Dis_Set("call",Z80_Dis_Printf("%s,%s",con,p));
+ else
+ Z80_Dis_Set("call",Z80_Dis_Printf("%s,$%.4x",con,w));
+}
+
+static void DIS_CALL (Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ Z80Word w;
+ const char *p;
+
+ w=Z80_Dis_FetchWord(z80,pc);
+
+ if ((p=GetLabel(w)))
+ Z80_Dis_Set("call",Z80_Dis_Printf("%s",p));
+ else
+ Z80_Dis_Set("call",Z80_Dis_Printf("$%.4x",w));
+}
+
+static void DIS_ADC_A_BYTE (Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ Z80_Dis_Set("adc",Z80_Dis_Printf("a,$%.2x",Z80_Dis_FetchByte(z80,pc)));
+}
+
+static void DIS_OUT_BYTE_A (Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ Z80_Dis_Set("out",Z80_Dis_Printf("($%.2x),a",Z80_Dis_FetchByte(z80,pc)));
+}
+
+static void DIS_SUB_A_BYTE (Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ Z80_Dis_Set("sub",Z80_Dis_Printf("a,$%.2x",Z80_Dis_FetchByte(z80,pc)));
+}
+
+static void DIS_EXX (Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ Z80_Dis_Set("exx",NULL);
+}
+
+static void DIS_IN_A_BYTE (Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ Z80_Dis_Set("in",Z80_Dis_Printf("a,($%.2x)",Z80_Dis_FetchByte(z80,pc)));
+}
+
+static void DIS_DD_DECODE (Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ int nop;
+
+ nop=Z80_Dis_FetchByte(z80,pc);
+ dis_DD_opcode[nop](z80,nop,pc);
+}
+
+static void DIS_SBC_A_BYTE (Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ Z80_Dis_Set("sbc",Z80_Dis_Printf("a,$%.2x",Z80_Dis_FetchByte(z80,pc)));
+}
+
+
+static void DIS_EX_ISP_HL (Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ Z80_Dis_Set("ex","(sp),hl");
+}
+
+static void DIS_AND_A_BYTE (Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ Z80_Dis_Set("and",Z80_Dis_Printf("$%.2x",Z80_Dis_FetchByte(z80,pc)));
+}
+
+static void DIS_JP_HL (Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ Z80_Dis_Set("jp","(hl)");
+}
+
+static void DIS_EX_DE_HL (Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ Z80_Dis_Set("ex","de,hl");
+}
+
+static void DIS_ED_DECODE (Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ int nop;
+
+ nop=Z80_Dis_FetchByte(z80,pc);
+ dis_ED_opcode[nop](z80,nop,pc);
+}
+
+static void DIS_XOR_A_BYTE (Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ Z80_Dis_Set("xor",Z80_Dis_Printf("$%.2x",Z80_Dis_FetchByte(z80,pc)));
+}
+
+static void DIS_DI (Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ Z80_Dis_Set("di",NULL);
+}
+
+static void DIS_OR_A_BYTE (Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ Z80_Dis_Set("or",Z80_Dis_Printf("$%.2x",Z80_Dis_FetchByte(z80,pc)));
+}
+
+static void DIS_LD_SP_HL (Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ Z80_Dis_Set("ld","sp,hl");
+}
+
+static void DIS_EI (Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ Z80_Dis_Set("ei",NULL);
+}
+
+static void DIS_FD_DECODE (Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ int nop;
+
+ nop=Z80_Dis_FetchByte(z80,pc);
+ dis_FD_opcode[nop](z80,nop,pc);
+}
+
+static void DIS_CP_A_BYTE (Z80 *z80, Z80Byte op, Z80Word *pc)
+{
+ Z80_Dis_Set("cp",Z80_Dis_Printf("$%.2x",Z80_Dis_FetchByte(z80,pc)));
+}
+
+
+/* ---------------------------------------- TABLES
+*/
+
+/* CB opcodes
+*/
+DIS_OP_CALLBACK dis_CB_opcode[0x100]=
+ {
+/* 0x00 - 0x03 */ DIS_RLC_R8, DIS_RLC_R8, DIS_RLC_R8, DIS_RLC_R8,
+/* 0x04 - 0x07 */ DIS_RLC_R8, DIS_RLC_R8, DIS_RLC_R8, DIS_RLC_R8,
+/* 0x08 - 0x0b */ DIS_RRC_R8, DIS_RRC_R8, DIS_RRC_R8, DIS_RRC_R8,
+/* 0x0c - 0x0f */ DIS_RRC_R8, DIS_RRC_R8, DIS_RRC_R8, DIS_RRC_R8,
+
+/* 0x10 - 0x13 */ DIS_RL_R8, DIS_RL_R8, DIS_RL_R8, DIS_RL_R8,
+/* 0x14 - 0x17 */ DIS_RL_R8, DIS_RL_R8, DIS_RL_R8, DIS_RL_R8,
+/* 0x18 - 0x1b */ DIS_RR_R8, DIS_RR_R8, DIS_RR_R8, DIS_RR_R8,
+/* 0x1c - 0x1f */ DIS_RR_R8, DIS_RR_R8, DIS_RR_R8, DIS_RR_R8,
+
+/* 0x20 - 0x23 */ DIS_SLA_R8, DIS_SLA_R8, DIS_SLA_R8, DIS_SLA_R8,
+/* 0x24 - 0x27 */ DIS_SLA_R8, DIS_SLA_R8, DIS_SLA_R8, DIS_SLA_R8,
+/* 0x28 - 0x2b */ DIS_SRA_R8, DIS_SRA_R8, DIS_SRA_R8, DIS_SRA_R8,
+/* 0x2c - 0x2f */ DIS_SRA_R8, DIS_SRA_R8, DIS_SRA_R8, DIS_SRA_R8,
+
+/* 0x30 - 0x33 */ DIS_SLL_R8, DIS_SLL_R8, DIS_SLL_R8, DIS_SLL_R8,
+/* 0x34 - 0x37 */ DIS_SLL_R8, DIS_SLL_R8, DIS_SLL_R8, DIS_SLL_R8,
+/* 0x38 - 0x3b */ DIS_SRL_R8, DIS_SRL_R8, DIS_SRL_R8, DIS_SRL_R8,
+/* 0x3c - 0x3f */ DIS_SRL_R8, DIS_SRL_R8, DIS_SRL_R8, DIS_SRL_R8,
+
+/* 0x40 - 0x43 */ DIS_BIT_R8, DIS_BIT_R8, DIS_BIT_R8, DIS_BIT_R8,
+/* 0x44 - 0x47 */ DIS_BIT_R8, DIS_BIT_R8, DIS_BIT_R8, DIS_BIT_R8,
+/* 0x48 - 0x4b */ DIS_BIT_R8, DIS_BIT_R8, DIS_BIT_R8, DIS_BIT_R8,
+/* 0x4c - 0x4f */ DIS_BIT_R8, DIS_BIT_R8, DIS_BIT_R8, DIS_BIT_R8,
+
+/* 0x50 - 0x53 */ DIS_BIT_R8, DIS_BIT_R8, DIS_BIT_R8, DIS_BIT_R8,
+/* 0x54 - 0x57 */ DIS_BIT_R8, DIS_BIT_R8, DIS_BIT_R8, DIS_BIT_R8,
+/* 0x58 - 0x5b */ DIS_BIT_R8, DIS_BIT_R8, DIS_BIT_R8, DIS_BIT_R8,
+/* 0x5c - 0x5f */ DIS_BIT_R8, DIS_BIT_R8, DIS_BIT_R8, DIS_BIT_R8,
+
+/* 0x60 - 0x63 */ DIS_BIT_R8, DIS_BIT_R8, DIS_BIT_R8, DIS_BIT_R8,
+/* 0x64 - 0x67 */ DIS_BIT_R8, DIS_BIT_R8, DIS_BIT_R8, DIS_BIT_R8,
+/* 0x68 - 0x6b */ DIS_BIT_R8, DIS_BIT_R8, DIS_BIT_R8, DIS_BIT_R8,
+/* 0x6c - 0x6f */ DIS_BIT_R8, DIS_BIT_R8, DIS_BIT_R8, DIS_BIT_R8,
+
+/* 0x70 - 0x73 */ DIS_BIT_R8, DIS_BIT_R8, DIS_BIT_R8, DIS_BIT_R8,
+/* 0x74 - 0x77 */ DIS_BIT_R8, DIS_BIT_R8, DIS_BIT_R8, DIS_BIT_R8,
+/* 0x78 - 0x7b */ DIS_BIT_R8, DIS_BIT_R8, DIS_BIT_R8, DIS_BIT_R8,
+/* 0x7c - 0x7f */ DIS_BIT_R8, DIS_BIT_R8, DIS_BIT_R8, DIS_BIT_R8,
+
+/* 0x80 - 0x83 */ DIS_RES_R8, DIS_RES_R8, DIS_RES_R8, DIS_RES_R8,
+/* 0x84 - 0x87 */ DIS_RES_R8, DIS_RES_R8, DIS_RES_R8, DIS_RES_R8,
+/* 0x88 - 0x8b */ DIS_RES_R8, DIS_RES_R8, DIS_RES_R8, DIS_RES_R8,
+/* 0x8c - 0x8f */ DIS_RES_R8, DIS_RES_R8, DIS_RES_R8, DIS_RES_R8,
+
+/* 0x90 - 0x93 */ DIS_RES_R8, DIS_RES_R8, DIS_RES_R8, DIS_RES_R8,
+/* 0x94 - 0x97 */ DIS_RES_R8, DIS_RES_R8, DIS_RES_R8, DIS_RES_R8,
+/* 0x98 - 0x9b */ DIS_RES_R8, DIS_RES_R8, DIS_RES_R8, DIS_RES_R8,
+/* 0x9c - 0x9f */ DIS_RES_R8, DIS_RES_R8, DIS_RES_R8, DIS_RES_R8,
+
+/* 0xa0 - 0xa3 */ DIS_RES_R8, DIS_RES_R8, DIS_RES_R8, DIS_RES_R8,
+/* 0xa4 - 0xa7 */ DIS_RES_R8, DIS_RES_R8, DIS_RES_R8, DIS_RES_R8,
+/* 0xa8 - 0xab */ DIS_RES_R8, DIS_RES_R8, DIS_RES_R8, DIS_RES_R8,
+/* 0xac - 0xaf */ DIS_RES_R8, DIS_RES_R8, DIS_RES_R8, DIS_RES_R8,
+
+/* 0xb0 - 0xb3 */ DIS_RES_R8, DIS_RES_R8, DIS_RES_R8, DIS_RES_R8,
+/* 0xb4 - 0xb7 */ DIS_RES_R8, DIS_RES_R8, DIS_RES_R8, DIS_RES_R8,
+/* 0xb8 - 0xbb */ DIS_RES_R8, DIS_RES_R8, DIS_RES_R8, DIS_RES_R8,
+/* 0xbc - 0xbf */ DIS_RES_R8, DIS_RES_R8, DIS_RES_R8, DIS_RES_R8,
+
+/* 0xc0 - 0xc3 */ DIS_SET_R8, DIS_SET_R8, DIS_SET_R8, DIS_SET_R8,
+/* 0xc4 - 0xc7 */ DIS_SET_R8, DIS_SET_R8, DIS_SET_R8, DIS_SET_R8,
+/* 0xc8 - 0xcb */ DIS_SET_R8, DIS_SET_R8, DIS_SET_R8, DIS_SET_R8,
+/* 0xcc - 0xcf */ DIS_SET_R8, DIS_SET_R8, DIS_SET_R8, DIS_SET_R8,
+
+/* 0xd0 - 0xd3 */ DIS_SET_R8, DIS_SET_R8, DIS_SET_R8, DIS_SET_R8,
+/* 0xd4 - 0xd7 */ DIS_SET_R8, DIS_SET_R8, DIS_SET_R8, DIS_SET_R8,
+/* 0xd8 - 0xdb */ DIS_SET_R8, DIS_SET_R8, DIS_SET_R8, DIS_SET_R8,
+/* 0xdc - 0xdf */ DIS_SET_R8, DIS_SET_R8, DIS_SET_R8, DIS_SET_R8,
+
+/* 0xe0 - 0xe3 */ DIS_SET_R8, DIS_SET_R8, DIS_SET_R8, DIS_SET_R8,
+/* 0xe4 - 0xe7 */ DIS_SET_R8, DIS_SET_R8, DIS_SET_R8, DIS_SET_R8,
+/* 0xe8 - 0xeb */ DIS_SET_R8, DIS_SET_R8, DIS_SET_R8, DIS_SET_R8,
+/* 0xec - 0xef */ DIS_SET_R8, DIS_SET_R8, DIS_SET_R8, DIS_SET_R8,
+
+/* 0xf0 - 0xf3 */ DIS_SET_R8, DIS_SET_R8, DIS_SET_R8, DIS_SET_R8,
+/* 0xf4 - 0xf7 */ DIS_SET_R8, DIS_SET_R8, DIS_SET_R8, DIS_SET_R8,
+/* 0xf8 - 0xfb */ DIS_SET_R8, DIS_SET_R8, DIS_SET_R8, DIS_SET_R8,
+/* 0xfc - 0xff */ DIS_SET_R8, DIS_SET_R8, DIS_SET_R8, DIS_SET_R8,
+ };
+
+/* DIS_DD opcodes
+*/
+DIS_OP_CALLBACK dis_DD_opcode[0x100]=
+ {
+/* 0x00 - 0x03 */ DIS_DD_NOP, DIS_DD_NOP, DIS_DD_NOP, DIS_DD_NOP,
+/* 0x04 - 0x07 */ DIS_DD_NOP, DIS_DD_NOP, DIS_DD_NOP, DIS_DD_NOP,
+/* 0x08 - 0x0b */ DIS_DD_NOP, DIS_ADD_IX_BC, DIS_DD_NOP, DIS_DD_NOP,
+/* 0x0c - 0x0f */ DIS_DD_NOP, DIS_DD_NOP, DIS_DD_NOP, DIS_DD_NOP,
+
+/* 0x10 - 0x13 */ DIS_DD_NOP, DIS_DD_NOP, DIS_DD_NOP, DIS_DD_NOP,
+/* 0x14 - 0x17 */ DIS_DD_NOP, DIS_DD_NOP, DIS_DD_NOP, DIS_DD_NOP,
+/* 0x18 - 0x1b */ DIS_DD_NOP, DIS_ADD_IX_DE, DIS_DD_NOP, DIS_DD_NOP,
+/* 0x1c - 0x1f */ DIS_DD_NOP, DIS_DD_NOP, DIS_DD_NOP, DIS_DD_NOP,
+
+/* 0x20 - 0x23 */ DIS_DD_NOP, DIS_LD_IX_WORD, DIS_LD_ADDR_IX, DIS_INC_IX,
+/* 0x24 - 0x27 */ DIS_INC_IXH, DIS_DEC_IXH, DIS_LD_IXH_BYTE, DIS_DD_NOP,
+/* 0x28 - 0x2b */ DIS_DD_NOP, DIS_ADD_IX_IX, DIS_LD_IX_ADDR, DIS_DEC_IX,
+/* 0x2c - 0x2f */ DIS_INC_IXL, DIS_DEC_IXL, DIS_LD_IXL_BYTE, DIS_DD_NOP,
+
+/* 0x30 - 0x33 */ DIS_DD_NOP, DIS_DD_NOP, DIS_DD_NOP, DIS_DD_NOP,
+/* 0x34 - 0x37 */ DIS_INC_IIX, DIS_DEC_IIX, DIS_LD_IIX_BYTE, DIS_DD_NOP,
+/* 0x38 - 0x3b */ DIS_DD_NOP, DIS_ADD_IX_SP, DIS_DD_NOP, DIS_DD_NOP,
+/* 0x3c - 0x3f */ DIS_DD_NOP, DIS_DD_NOP, DIS_DD_NOP, DIS_DD_NOP,
+
+/* 0x40 - 0x43 */ DIS_DD_NOP, DIS_DD_NOP, DIS_DD_NOP, DIS_DD_NOP,
+/* 0x44 - 0x47 */ DIS_XLD_R8_R8, DIS_XLD_R8_R8, DIS_XLD_R8_R8, DIS_DD_NOP,
+/* 0x48 - 0x4b */ DIS_DD_NOP, DIS_DD_NOP, DIS_DD_NOP, DIS_DD_NOP,
+/* 0x4c - 0x4f */ DIS_XLD_R8_R8, DIS_XLD_R8_R8, DIS_XLD_R8_R8, DIS_DD_NOP,
+
+/* 0x50 - 0x53 */ DIS_DD_NOP, DIS_DD_NOP, DIS_DD_NOP, DIS_DD_NOP,
+/* 0x54 - 0x57 */ DIS_XLD_R8_R8, DIS_XLD_R8_R8, DIS_XLD_R8_R8, DIS_DD_NOP,
+/* 0x58 - 0x5b */ DIS_DD_NOP, DIS_DD_NOP, DIS_DD_NOP, DIS_DD_NOP,
+/* 0x5c - 0x5f */ DIS_XLD_R8_R8, DIS_XLD_R8_R8, DIS_XLD_R8_R8, DIS_DD_NOP,
+
+/* 0x60 - 0x63 */ DIS_XLD_R8_R8, DIS_XLD_R8_R8, DIS_XLD_R8_R8, DIS_XLD_R8_R8,
+/* 0x64 - 0x67 */ DIS_XLD_R8_R8, DIS_XLD_R8_R8, DIS_XLD_R8_R8, DIS_XLD_R8_R8,
+/* 0x68 - 0x6b */ DIS_XLD_R8_R8, DIS_XLD_R8_R8, DIS_XLD_R8_R8, DIS_XLD_R8_R8,
+/* 0x6c - 0x6f */ DIS_XLD_R8_R8, DIS_XLD_R8_R8, DIS_XLD_R8_R8, DIS_XLD_R8_R8,
+
+/* 0x70 - 0x73 */ DIS_XLD_R8_R8, DIS_XLD_R8_R8, DIS_XLD_R8_R8, DIS_XLD_R8_R8,
+/* 0x74 - 0x77 */ DIS_XLD_R8_R8, DIS_XLD_R8_R8, DIS_DD_NOP, DIS_XLD_R8_R8,
+/* 0x78 - 0x7b */ DIS_DD_NOP, DIS_DD_NOP, DIS_DD_NOP, DIS_DD_NOP,
+/* 0x7c - 0x7f */ DIS_XLD_R8_R8, DIS_XLD_R8_R8, DIS_XLD_R8_R8, DIS_DD_NOP,
+
+/* 0x80 - 0x83 */ DIS_DD_NOP, DIS_DD_NOP, DIS_DD_NOP, DIS_DD_NOP,
+/* 0x84 - 0x87 */ DIS_XADD_R8, DIS_XADD_R8, DIS_XADD_R8, DIS_DD_NOP,
+/* 0x88 - 0x8b */ DIS_DD_NOP, DIS_DD_NOP, DIS_DD_NOP, DIS_DD_NOP,
+/* 0x8c - 0x8f */ DIS_XADC_R8, DIS_XADC_R8, DIS_XADC_R8, DIS_DD_NOP,
+
+/* 0x90 - 0x93 */ DIS_DD_NOP, DIS_DD_NOP, DIS_DD_NOP, DIS_DD_NOP,
+/* 0x94 - 0x97 */ DIS_XSUB_R8, DIS_XSUB_R8, DIS_XSUB_R8, DIS_DD_NOP,
+/* 0x98 - 0x9b */ DIS_DD_NOP, DIS_DD_NOP, DIS_DD_NOP, DIS_DD_NOP,
+/* 0x9c - 0x9f */ DIS_XSBC_R8, DIS_XSBC_R8, DIS_XSBC_R8, DIS_DD_NOP,
+
+/* 0xa0 - 0xa3 */ DIS_DD_NOP, DIS_DD_NOP, DIS_DD_NOP, DIS_DD_NOP,
+/* 0xa4 - 0xa7 */ DIS_XAND_R8, DIS_XAND_R8, DIS_XAND_R8, DIS_DD_NOP,
+/* 0xa8 - 0xab */ DIS_DD_NOP, DIS_DD_NOP, DIS_DD_NOP, DIS_DD_NOP,
+/* 0xac - 0xaf */ DIS_XXOR_R8, DIS_XXOR_R8, DIS_XXOR_R8, DIS_DD_NOP,
+
+/* 0xb0 - 0xb3 */ DIS_DD_NOP, DIS_DD_NOP, DIS_DD_NOP, DIS_DD_NOP,
+/* 0xb4 - 0xb7 */ DIS_X_OR_R8, DIS_X_OR_R8, DIS_X_OR_R8, DIS_DD_NOP,
+/* 0xb8 - 0xbb */ DIS_DD_NOP, DIS_DD_NOP, DIS_DD_NOP, DIS_DD_NOP,
+/* 0xbc - 0xbf */ DIS_XCP_R8, DIS_XCP_R8, DIS_XCP_R8, DIS_DD_NOP,
+
+/* 0xc0 - 0xc3 */ DIS_DD_NOP, DIS_DD_NOP, DIS_DD_NOP, DIS_DD_NOP,
+/* 0xc4 - 0xc7 */ DIS_DD_NOP, DIS_DD_NOP, DIS_DD_NOP, DIS_DD_NOP,
+/* 0xc8 - 0xcb */ DIS_DD_NOP, DIS_DD_NOP, DIS_DD_NOP, DIS_DD_CB_DECODE,
+/* 0xcc - 0xcf */ DIS_DD_NOP, DIS_DD_NOP, DIS_DD_NOP, DIS_DD_NOP,
+
+/* 0xd0 - 0xd3 */ DIS_DD_NOP, DIS_DD_NOP, DIS_DD_NOP, DIS_DD_NOP,
+/* 0xd4 - 0xd7 */ DIS_DD_NOP, DIS_DD_NOP, DIS_DD_NOP, DIS_DD_NOP,
+/* 0xd8 - 0xdb */ DIS_DD_NOP, DIS_DD_NOP, DIS_DD_NOP, DIS_DD_NOP,
+/* 0xdc - 0xdf */ DIS_DD_NOP, DIS_DD_DD_DECODE, DIS_DD_NOP, DIS_DD_NOP,
+
+/* 0xe0 - 0xe3 */ DIS_DD_NOP, DIS_POP_IX, DIS_DD_NOP, DIS_EX_ISP_IX,
+/* 0xe4 - 0xe7 */ DIS_DD_NOP, DIS_PUSH_IX, DIS_DD_NOP, DIS_DD_NOP,
+/* 0xe8 - 0xeb */ DIS_DD_NOP, DIS_JP_IX, DIS_DD_NOP, DIS_DD_NOP,
+/* 0xec - 0xef */ DIS_DD_NOP, DIS_DD_ED_DECODE, DIS_DD_NOP, DIS_DD_NOP,
+
+/* 0xf0 - 0xf3 */ DIS_DD_NOP, DIS_DD_NOP, DIS_DD_NOP, DIS_DD_NOP,
+/* 0xf4 - 0xf7 */ DIS_DD_NOP, DIS_DD_NOP, DIS_DD_NOP, DIS_DD_NOP,
+/* 0xf8 - 0xfb */ DIS_DD_NOP, DIS_LD_SP_IX, DIS_DD_NOP, DIS_DD_NOP,
+/* 0xfc - 0xff */ DIS_DD_NOP, DIS_DD_FD_DECODE, DIS_DD_NOP, DIS_DD_NOP,
+ };
+
+
+/* DIS_DD DIS_CB opcodes
+*/
+DIS_OP_CALLBACK dis_DD_CB_opcode[0x100]=
+ {
+/* 0x00 - 0x03 */ DIS_RLC_IX, DIS_RLC_IX, DIS_RLC_IX, DIS_RLC_IX,
+/* 0x04 - 0x07 */ DIS_RLC_IX, DIS_RLC_IX, DIS_RLC_IX, DIS_RLC_IX,
+/* 0x08 - 0x0b */ DIS_RRC_IX, DIS_RRC_IX, DIS_RRC_IX, DIS_RRC_IX,
+/* 0x0c - 0x0f */ DIS_RRC_IX, DIS_RRC_IX, DIS_RRC_IX, DIS_RRC_IX,
+
+/* 0x10 - 0x13 */ DIS_RL_IX, DIS_RL_IX, DIS_RL_IX, DIS_RL_IX,
+/* 0x14 - 0x17 */ DIS_RL_IX, DIS_RL_IX, DIS_RL_IX, DIS_RL_IX,
+/* 0x18 - 0x1b */ DIS_RR_IX, DIS_RR_IX, DIS_RR_IX, DIS_RR_IX,
+/* 0x1c - 0x1f */ DIS_RR_IX, DIS_RR_IX, DIS_RR_IX, DIS_RR_IX,
+
+/* 0x20 - 0x23 */ DIS_SLA_IX, DIS_SLA_IX, DIS_SLA_IX, DIS_SLA_IX,
+/* 0x24 - 0x27 */ DIS_SLA_IX, DIS_SLA_IX, DIS_SLA_IX, DIS_SLA_IX,
+/* 0x28 - 0x2b */ DIS_SRA_IX, DIS_SRA_IX, DIS_SRA_IX, DIS_SRA_IX,
+/* 0x2c - 0x2f */ DIS_SRA_IX, DIS_SRA_IX, DIS_SRA_IX, DIS_SRA_IX,
+
+/* 0x30 - 0x33 */ DIS_SLL_IX, DIS_SLL_IX, DIS_SLL_IX, DIS_SLL_IX,
+/* 0x34 - 0x37 */ DIS_SLL_IX, DIS_SLL_IX, DIS_SLL_IX, DIS_SLL_IX,
+/* 0x38 - 0x3b */ DIS_SRL_IX, DIS_SRL_IX, DIS_SRL_IX, DIS_SRL_IX,
+/* 0x3c - 0x3f */ DIS_SRL_IX, DIS_SRL_IX, DIS_SRL_IX, DIS_SRL_IX,
+
+/* 0x40 - 0x43 */ DIS_BIT_IX,DIS_BIT_IX, DIS_BIT_IX, DIS_BIT_IX,
+/* 0x44 - 0x47 */ DIS_BIT_IX,DIS_BIT_IX, DIS_BIT_IX, DIS_BIT_IX,
+/* 0x48 - 0x4b */ DIS_BIT_IX,DIS_BIT_IX, DIS_BIT_IX, DIS_BIT_IX,
+/* 0x4c - 0x4f */ DIS_BIT_IX,DIS_BIT_IX, DIS_BIT_IX, DIS_BIT_IX,
+
+/* 0x50 - 0x53 */ DIS_BIT_IX,DIS_BIT_IX, DIS_BIT_IX, DIS_BIT_IX,
+/* 0x54 - 0x57 */ DIS_BIT_IX,DIS_BIT_IX, DIS_BIT_IX, DIS_BIT_IX,
+/* 0x58 - 0x5b */ DIS_BIT_IX,DIS_BIT_IX, DIS_BIT_IX, DIS_BIT_IX,
+/* 0x5c - 0x5f */ DIS_BIT_IX,DIS_BIT_IX, DIS_BIT_IX, DIS_BIT_IX,
+
+/* 0x60 - 0x63 */ DIS_BIT_IX,DIS_BIT_IX, DIS_BIT_IX, DIS_BIT_IX,
+/* 0x64 - 0x67 */ DIS_BIT_IX,DIS_BIT_IX, DIS_BIT_IX, DIS_BIT_IX,
+/* 0x68 - 0x6b */ DIS_BIT_IX,DIS_BIT_IX, DIS_BIT_IX, DIS_BIT_IX,
+/* 0x6c - 0x6f */ DIS_BIT_IX,DIS_BIT_IX, DIS_BIT_IX, DIS_BIT_IX,
+
+/* 0x70 - 0x73 */ DIS_BIT_IX,DIS_BIT_IX, DIS_BIT_IX, DIS_BIT_IX,
+/* 0x74 - 0x77 */ DIS_BIT_IX,DIS_BIT_IX, DIS_BIT_IX, DIS_BIT_IX,
+/* 0x78 - 0x7b */ DIS_BIT_IX,DIS_BIT_IX, DIS_BIT_IX, DIS_BIT_IX,
+/* 0x7c - 0x7f */ DIS_BIT_IX,DIS_BIT_IX, DIS_BIT_IX, DIS_BIT_IX,
+
+/* 0x80 - 0x83 */ DIS_RES_IX,DIS_RES_IX, DIS_RES_IX, DIS_RES_IX,
+/* 0x84 - 0x87 */ DIS_RES_IX,DIS_RES_IX, DIS_RES_IX, DIS_RES_IX,
+/* 0x88 - 0x8b */ DIS_RES_IX,DIS_RES_IX, DIS_RES_IX, DIS_RES_IX,
+/* 0x8c - 0x8f */ DIS_RES_IX,DIS_RES_IX, DIS_RES_IX, DIS_RES_IX,
+
+/* 0x90 - 0x93 */ DIS_RES_IX,DIS_RES_IX, DIS_RES_IX, DIS_RES_IX,
+/* 0x94 - 0x97 */ DIS_RES_IX,DIS_RES_IX, DIS_RES_IX, DIS_RES_IX,
+/* 0x98 - 0x9b */ DIS_RES_IX,DIS_RES_IX, DIS_RES_IX, DIS_RES_IX,
+/* 0x9c - 0x9f */ DIS_RES_IX,DIS_RES_IX, DIS_RES_IX, DIS_RES_IX,
+
+/* 0xa0 - 0xa3 */ DIS_RES_IX,DIS_RES_IX, DIS_RES_IX, DIS_RES_IX,
+/* 0xa4 - 0xa7 */ DIS_RES_IX,DIS_RES_IX, DIS_RES_IX, DIS_RES_IX,
+/* 0xa8 - 0xab */ DIS_RES_IX,DIS_RES_IX, DIS_RES_IX, DIS_RES_IX,
+/* 0xac - 0xaf */ DIS_RES_IX,DIS_RES_IX, DIS_RES_IX, DIS_RES_IX,
+
+/* 0xb0 - 0xb3 */ DIS_RES_IX,DIS_RES_IX, DIS_RES_IX, DIS_RES_IX,
+/* 0xb4 - 0xb7 */ DIS_RES_IX,DIS_RES_IX, DIS_RES_IX, DIS_RES_IX,
+/* 0xb8 - 0xbb */ DIS_RES_IX,DIS_RES_IX, DIS_RES_IX, DIS_RES_IX,
+/* 0xbc - 0xbf */ DIS_RES_IX,DIS_RES_IX, DIS_RES_IX, DIS_RES_IX,
+
+/* 0xc0 - 0xc3 */ DIS_SET_IX,DIS_SET_IX, DIS_SET_IX, DIS_SET_IX,
+/* 0xc4 - 0xc7 */ DIS_SET_IX,DIS_SET_IX, DIS_SET_IX, DIS_SET_IX,
+/* 0xc8 - 0xcb */ DIS_SET_IX,DIS_SET_IX, DIS_SET_IX, DIS_SET_IX,
+/* 0xcc - 0xcf */ DIS_SET_IX,DIS_SET_IX, DIS_SET_IX, DIS_SET_IX,
+
+/* 0xd0 - 0xd3 */ DIS_SET_IX,DIS_SET_IX, DIS_SET_IX, DIS_SET_IX,
+/* 0xd4 - 0xd7 */ DIS_SET_IX,DIS_SET_IX, DIS_SET_IX, DIS_SET_IX,
+/* 0xd8 - 0xdb */ DIS_SET_IX,DIS_SET_IX, DIS_SET_IX, DIS_SET_IX,
+/* 0xdc - 0xdf */ DIS_SET_IX,DIS_SET_IX, DIS_SET_IX, DIS_SET_IX,
+
+/* 0xe0 - 0xe3 */ DIS_SET_IX,DIS_SET_IX, DIS_SET_IX, DIS_SET_IX,
+/* 0xe4 - 0xe7 */ DIS_SET_IX,DIS_SET_IX, DIS_SET_IX, DIS_SET_IX,
+/* 0xe8 - 0xeb */ DIS_SET_IX,DIS_SET_IX, DIS_SET_IX, DIS_SET_IX,
+/* 0xec - 0xef */ DIS_SET_IX,DIS_SET_IX, DIS_SET_IX, DIS_SET_IX,
+
+/* 0xf0 - 0xf3 */ DIS_SET_IX,DIS_SET_IX, DIS_SET_IX, DIS_SET_IX,
+/* 0xf4 - 0xf7 */ DIS_SET_IX,DIS_SET_IX, DIS_SET_IX, DIS_SET_IX,
+/* 0xf8 - 0xfb */ DIS_SET_IX,DIS_SET_IX, DIS_SET_IX, DIS_SET_IX,
+/* 0xfc - 0xff */ DIS_SET_IX,DIS_SET_IX, DIS_SET_IX, DIS_SET_IX,
+ };
+
+/* DIS_ED opcodes
+*/
+DIS_OP_CALLBACK dis_ED_opcode[0x100]=
+ {
+/* 0x00 - 0x03 */ DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP,
+/* 0x04 - 0x07 */ DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP,
+/* 0x08 - 0x0b */ DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP,
+/* 0x0c - 0x0f */ DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP,
+
+/* 0x10 - 0x13 */ DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP,
+/* 0x14 - 0x17 */ DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP,
+/* 0x18 - 0x1b */ DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP,
+/* 0x1c - 0x1f */ DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP,
+
+/* 0x20 - 0x23 */ DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP,
+/* 0x24 - 0x27 */ DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP,
+/* 0x28 - 0x2b */ DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP,
+/* 0x2c - 0x2f */ DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP,
+
+/* 0x30 - 0x33 */ DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP,
+/* 0x34 - 0x37 */ DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP,
+/* 0x38 - 0x3b */ DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP,
+/* 0x3c - 0x3f */ DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP,
+
+/* 0x40 - 0x43 */ DIS_IN_R8_C, DIS_OUT_C_R8, DIS_SBC_HL_R16, DIS_ED_LD_ADDR_R16,
+/* 0x44 - 0x47 */ DIS_NEG, DIS_RETN, DIS_IM_0, DIS_LD_I_A,
+/* 0x48 - 0x4b */ DIS_IN_R8_C, DIS_OUT_C_R8, DIS_ADC_HL_R16, DIS_ED_LD_R16_ADDR,
+/* 0x4c - 0x4f */ DIS_NEG, DIS_RETI, DIS_IM_0, DIS_LD_R_A,
+
+/* 0x50 - 0x53 */ DIS_IN_R8_C, DIS_OUT_C_R8, DIS_SBC_HL_R16, DIS_ED_LD_ADDR_R16,
+/* 0x54 - 0x57 */ DIS_NEG, DIS_RETN, DIS_IM_1, DIS_LD_A_I,
+/* 0x58 - 0x5b */ DIS_IN_R8_C, DIS_OUT_C_R8, DIS_ADC_HL_R16, DIS_ED_LD_R16_ADDR,
+/* 0x5c - 0x5f */ DIS_NEG, DIS_RETI, DIS_IM_2, DIS_LD_A_R,
+
+/* 0x60 - 0x63 */ DIS_IN_R8_C, DIS_OUT_C_R8, DIS_SBC_HL_R16, DIS_ED_LD_ADDR_R16,
+/* 0x64 - 0x67 */ DIS_NEG, DIS_RETN, DIS_IM_0, DIS_RRD,
+/* 0x68 - 0x6b */ DIS_IN_R8_C, DIS_OUT_C_R8, DIS_ADC_HL_R16, DIS_ED_LD_R16_ADDR,
+/* 0x6c - 0x6f */ DIS_NEG, DIS_RETI, DIS_IM_0, DIS_RLD,
+
+/* 0x70 - 0x73 */ DIS_IN_R8_C, DIS_OUT_C_R8, DIS_SBC_HL_R16, DIS_ED_LD_ADDR_R16,
+/* 0x74 - 0x77 */ DIS_NEG, DIS_RETN, DIS_IM_1, DIS_ED_NOP,
+/* 0x78 - 0x7b */ DIS_IN_R8_C, DIS_OUT_C_R8, DIS_ADC_HL_R16, DIS_ED_LD_R16_ADDR,
+/* 0x7c - 0x7f */ DIS_NEG, DIS_RETI, DIS_IM_2, DIS_ED_NOP,
+
+/* 0x80 - 0x83 */ DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP,
+/* 0x84 - 0x87 */ DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP,
+/* 0x88 - 0x8b */ DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP,
+/* 0x8c - 0x8f */ DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP,
+
+/* 0x90 - 0x93 */ DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP,
+/* 0x94 - 0x97 */ DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP,
+/* 0x98 - 0x9b */ DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP,
+/* 0x9c - 0x9f */ DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP,
+
+/* 0xa0 - 0xa3 */ DIS_LDI, DIS_CPI, DIS_INI, DIS_OUTI,
+/* 0xa4 - 0xa7 */ DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP,
+/* 0xa8 - 0xab */ DIS_LDD, DIS_CPD, DIS_IND, DIS_OUTD,
+/* 0xac - 0xaf */ DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP,
+
+/* 0xb0 - 0xb3 */ DIS_LDIR, DIS_CPIR, DIS_INIR, DIS_OTIR,
+/* 0xb4 - 0xb7 */ DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP,
+/* 0xb8 - 0xbb */ DIS_LDDR, DIS_CPDR, DIS_INDR, DIS_OTDR,
+/* 0xbc - 0xbf */ DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP,
+
+/* 0xc0 - 0xc3 */ DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP,
+/* 0xc4 - 0xc7 */ DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP,
+/* 0xc8 - 0xcb */ DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP,
+/* 0xcc - 0xcf */ DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP,
+
+/* 0xd0 - 0xd3 */ DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP,
+/* 0xd4 - 0xd7 */ DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP,
+/* 0xd8 - 0xdb */ DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP,
+/* 0xdc - 0xdf */ DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP,
+
+/* 0xe0 - 0xe3 */ DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP,
+/* 0xe4 - 0xe7 */ DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP,
+/* 0xe8 - 0xeb */ DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP,
+/* 0xec - 0xef */ DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP,
+
+/* 0xf0 - 0xf3 */ DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP,
+/* 0xf4 - 0xf7 */ DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP,
+/* 0xf8 - 0xfb */ DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP,
+/* 0xfc - 0xff */ DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP,
+ };
+
+/* DIS_FD opcodes
+*/
+DIS_OP_CALLBACK dis_FD_opcode[0x100]=
+ {
+/* 0x00 - 0x03 */ DIS_FD_NOP, DIS_FD_NOP, DIS_FD_NOP, DIS_FD_NOP,
+/* 0x04 - 0x07 */ DIS_FD_NOP, DIS_FD_NOP, DIS_FD_NOP, DIS_FD_NOP,
+/* 0x08 - 0x0b */ DIS_FD_NOP, DIS_ADD_IY_BC, DIS_FD_NOP, DIS_FD_NOP,
+/* 0x0c - 0x0f */ DIS_FD_NOP, DIS_FD_NOP, DIS_FD_NOP, DIS_FD_NOP,
+
+/* 0x10 - 0x13 */ DIS_FD_NOP, DIS_FD_NOP, DIS_FD_NOP, DIS_FD_NOP,
+/* 0x14 - 0x17 */ DIS_FD_NOP, DIS_FD_NOP, DIS_FD_NOP, DIS_FD_NOP,
+/* 0x18 - 0x1b */ DIS_FD_NOP, DIS_ADD_IY_DE, DIS_FD_NOP, DIS_FD_NOP,
+/* 0x1c - 0x1f */ DIS_FD_NOP, DIS_FD_NOP, DIS_FD_NOP, DIS_FD_NOP,
+
+/* 0x20 - 0x23 */ DIS_FD_NOP, DIS_LD_IY_WORD, DIS_LD_ADDR_IY, DIS_INC_IY,
+/* 0x24 - 0x27 */ DIS_INC_IYH, DIS_DEC_IYH, DIS_LD_IYH_BYTE, DIS_FD_NOP,
+/* 0x28 - 0x2b */ DIS_FD_NOP, DIS_ADD_IY_IY, DIS_LD_IY_ADDR, DIS_DEC_IY,
+/* 0x2c - 0x2f */ DIS_INC_IYL, DIS_DEC_IYL, DIS_LD_IYL_BYTE, DIS_FD_NOP,
+
+/* 0x30 - 0x33 */ DIS_FD_NOP, DIS_FD_NOP, DIS_FD_NOP, DIS_FD_NOP,
+/* 0x34 - 0x37 */ DIS_INC_IIY, DIS_DEC_IIY, DIS_LD_IIY_BYTE, DIS_FD_NOP,
+/* 0x38 - 0x3b */ DIS_FD_NOP, DIS_ADD_IY_SP, DIS_FD_NOP, DIS_FD_NOP,
+/* 0x3c - 0x3f */ DIS_FD_NOP, DIS_FD_NOP, DIS_FD_NOP, DIS_FD_NOP,
+
+/* 0x40 - 0x43 */ DIS_FD_NOP, DIS_FD_NOP, DIS_FD_NOP, DIS_FD_NOP,
+/* 0x44 - 0x47 */ DIS_YLD_R8_R8, DIS_YLD_R8_R8, DIS_YLD_R8_R8, DIS_FD_NOP,
+/* 0x48 - 0x4b */ DIS_FD_NOP, DIS_FD_NOP, DIS_FD_NOP, DIS_FD_NOP,
+/* 0x4c - 0x4f */ DIS_YLD_R8_R8, DIS_YLD_R8_R8, DIS_YLD_R8_R8, DIS_FD_NOP,
+
+/* 0x50 - 0x53 */ DIS_FD_NOP, DIS_FD_NOP, DIS_FD_NOP, DIS_FD_NOP,
+/* 0x54 - 0x57 */ DIS_YLD_R8_R8, DIS_YLD_R8_R8, DIS_YLD_R8_R8, DIS_FD_NOP,
+/* 0x58 - 0x5b */ DIS_FD_NOP, DIS_FD_NOP, DIS_FD_NOP, DIS_FD_NOP,
+/* 0x5c - 0x5f */ DIS_YLD_R8_R8, DIS_YLD_R8_R8, DIS_YLD_R8_R8, DIS_FD_NOP,
+
+/* 0x60 - 0x63 */ DIS_YLD_R8_R8, DIS_YLD_R8_R8, DIS_YLD_R8_R8, DIS_YLD_R8_R8,
+/* 0x64 - 0x67 */ DIS_YLD_R8_R8, DIS_YLD_R8_R8, DIS_YLD_R8_R8, DIS_YLD_R8_R8,
+/* 0x68 - 0x6b */ DIS_YLD_R8_R8, DIS_YLD_R8_R8, DIS_YLD_R8_R8, DIS_YLD_R8_R8,
+/* 0x6c - 0x6f */ DIS_YLD_R8_R8, DIS_YLD_R8_R8, DIS_YLD_R8_R8, DIS_YLD_R8_R8,
+
+/* 0x70 - 0x73 */ DIS_YLD_R8_R8, DIS_YLD_R8_R8, DIS_YLD_R8_R8, DIS_YLD_R8_R8,
+/* 0x74 - 0x77 */ DIS_YLD_R8_R8, DIS_YLD_R8_R8, DIS_FD_NOP, DIS_YLD_R8_R8,
+/* 0x78 - 0x7b */ DIS_FD_NOP, DIS_FD_NOP, DIS_FD_NOP, DIS_FD_NOP,
+/* 0x7c - 0x7f */ DIS_YLD_R8_R8, DIS_YLD_R8_R8, DIS_YLD_R8_R8, DIS_FD_NOP,
+
+/* 0x80 - 0x83 */ DIS_FD_NOP, DIS_FD_NOP, DIS_FD_NOP, DIS_FD_NOP,
+/* 0x84 - 0x87 */ DIS_YADD_R8, DIS_YADD_R8, DIS_YADD_R8, DIS_FD_NOP,
+/* 0x88 - 0x8b */ DIS_FD_NOP, DIS_FD_NOP, DIS_FD_NOP, DIS_FD_NOP,
+/* 0x8c - 0x8f */ DIS_YADC_R8, DIS_YADC_R8, DIS_YADC_R8, DIS_FD_NOP,
+
+/* 0x90 - 0x93 */ DIS_FD_NOP, DIS_FD_NOP, DIS_FD_NOP, DIS_FD_NOP,
+/* 0x94 - 0x97 */ DIS_YSUB_R8, DIS_YSUB_R8, DIS_YSUB_R8, DIS_FD_NOP,
+/* 0x98 - 0x9b */ DIS_FD_NOP, DIS_FD_NOP, DIS_FD_NOP, DIS_FD_NOP,
+/* 0x9c - 0x9f */ DIS_YSBC_R8, DIS_YSBC_R8, DIS_YSBC_R8, DIS_FD_NOP,
+
+/* 0xa0 - 0xa3 */ DIS_FD_NOP, DIS_FD_NOP, DIS_FD_NOP, DIS_FD_NOP,
+/* 0xa4 - 0xa7 */ DIS_YAND_R8, DIS_YAND_R8, DIS_YAND_R8, DIS_FD_NOP,
+/* 0xa8 - 0xab */ DIS_FD_NOP, DIS_FD_NOP, DIS_FD_NOP, DIS_FD_NOP,
+/* 0xac - 0xaf */ DIS_YYOR_R8, DIS_YYOR_R8, DIS_YYOR_R8, DIS_FD_NOP,
+
+/* 0xb0 - 0xb3 */ DIS_FD_NOP, DIS_FD_NOP, DIS_FD_NOP, DIS_FD_NOP,
+/* 0xb4 - 0xb7 */ DIS_Y_OR_R8, DIS_Y_OR_R8, DIS_Y_OR_R8, DIS_FD_NOP,
+/* 0xb8 - 0xbb */ DIS_FD_NOP, DIS_FD_NOP, DIS_FD_NOP, DIS_FD_NOP,
+/* 0xbc - 0xbf */ DIS_YCP_R8, DIS_YCP_R8, DIS_YCP_R8, DIS_FD_NOP,
+
+/* 0xc0 - 0xc3 */ DIS_FD_NOP, DIS_FD_NOP, DIS_FD_NOP, DIS_FD_NOP,
+/* 0xc4 - 0xc7 */ DIS_FD_NOP, DIS_FD_NOP, DIS_FD_NOP, DIS_FD_NOP,
+/* 0xc8 - 0xcb */ DIS_FD_NOP, DIS_FD_NOP, DIS_FD_NOP, DIS_FD_CB_DECODE,
+/* 0xcc - 0xcf */ DIS_FD_NOP, DIS_FD_NOP, DIS_FD_NOP, DIS_FD_NOP,
+
+/* 0xd0 - 0xd3 */ DIS_FD_NOP, DIS_FD_NOP, DIS_FD_NOP, DIS_FD_NOP,
+/* 0xd4 - 0xd7 */ DIS_FD_NOP, DIS_FD_NOP, DIS_FD_NOP, DIS_FD_NOP,
+/* 0xd8 - 0xdb */ DIS_FD_NOP, DIS_FD_NOP, DIS_FD_NOP, DIS_FD_NOP,
+/* 0xdc - 0xdf */ DIS_FD_NOP, DIS_FD_DD_DECODE, DIS_FD_NOP, DIS_FD_NOP,
+
+/* 0xe0 - 0xe3 */ DIS_FD_NOP, DIS_POP_IY, DIS_FD_NOP, DIS_EY_ISP_IY,
+/* 0xe4 - 0xe7 */ DIS_FD_NOP, DIS_PUSH_IY, DIS_FD_NOP, DIS_FD_NOP,
+/* 0xe8 - 0xeb */ DIS_FD_NOP, DIS_JP_IY, DIS_FD_NOP, DIS_FD_NOP,
+/* 0xec - 0xef */ DIS_FD_NOP, DIS_FD_ED_DECODE, DIS_FD_NOP, DIS_FD_NOP,
+
+/* 0xf0 - 0xf3 */ DIS_FD_NOP, DIS_FD_NOP, DIS_FD_NOP, DIS_FD_NOP,
+/* 0xf4 - 0xf7 */ DIS_FD_NOP, DIS_FD_NOP, DIS_FD_NOP, DIS_FD_NOP,
+/* 0xf8 - 0xfb */ DIS_FD_NOP, DIS_LD_SP_IY, DIS_FD_NOP, DIS_FD_NOP,
+/* 0xfc - 0xff */ DIS_FD_NOP, DIS_FD_FD_DECODE, DIS_FD_NOP, DIS_FD_NOP,
+ };
+
+
+/* DIS_FD DIS_CB opcodes
+*/
+DIS_OP_CALLBACK dis_FD_CB_opcode[0x100]=
+ {
+/* 0x00 - 0x03 */ DIS_RLC_IY, DIS_RLC_IY, DIS_RLC_IY, DIS_RLC_IY,
+/* 0x04 - 0x07 */ DIS_RLC_IY, DIS_RLC_IY, DIS_RLC_IY, DIS_RLC_IY,
+/* 0x08 - 0x0b */ DIS_RRC_IY, DIS_RRC_IY, DIS_RRC_IY, DIS_RRC_IY,
+/* 0x0c - 0x0f */ DIS_RRC_IY, DIS_RRC_IY, DIS_RRC_IY, DIS_RRC_IY,
+
+/* 0x10 - 0x13 */ DIS_RL_IY, DIS_RL_IY, DIS_RL_IY, DIS_RL_IY,
+/* 0x14 - 0x17 */ DIS_RL_IY, DIS_RL_IY, DIS_RL_IY, DIS_RL_IY,
+/* 0x18 - 0x1b */ DIS_RR_IY, DIS_RR_IY, DIS_RR_IY, DIS_RR_IY,
+/* 0x1c - 0x1f */ DIS_RR_IY, DIS_RR_IY, DIS_RR_IY, DIS_RR_IY,
+
+/* 0x20 - 0x23 */ DIS_SLA_IY, DIS_SLA_IY, DIS_SLA_IY, DIS_SLA_IY,
+/* 0x24 - 0x27 */ DIS_SLA_IY, DIS_SLA_IY, DIS_SLA_IY, DIS_SLA_IY,
+/* 0x28 - 0x2b */ DIS_SRA_IY, DIS_SRA_IY, DIS_SRA_IY, DIS_SRA_IY,
+/* 0x2c - 0x2f */ DIS_SRA_IY, DIS_SRA_IY, DIS_SRA_IY, DIS_SRA_IY,
+
+/* 0x30 - 0x33 */ DIS_SLL_IY, DIS_SLL_IY, DIS_SLL_IY, DIS_SLL_IY,
+/* 0x34 - 0x37 */ DIS_SLL_IY, DIS_SLL_IY, DIS_SLL_IY, DIS_SLL_IY,
+/* 0x38 - 0x3b */ DIS_SRL_IY, DIS_SRL_IY, DIS_SRL_IY, DIS_SRL_IY,
+/* 0x3c - 0x3f */ DIS_SRL_IY, DIS_SRL_IY, DIS_SRL_IY, DIS_SRL_IY,
+
+/* 0x40 - 0x43 */ DIS_BIT_IY,DIS_BIT_IY, DIS_BIT_IY, DIS_BIT_IY,
+/* 0x44 - 0x47 */ DIS_BIT_IY,DIS_BIT_IY, DIS_BIT_IY, DIS_BIT_IY,
+/* 0x48 - 0x4b */ DIS_BIT_IY,DIS_BIT_IY, DIS_BIT_IY, DIS_BIT_IY,
+/* 0x4c - 0x4f */ DIS_BIT_IY,DIS_BIT_IY, DIS_BIT_IY, DIS_BIT_IY,
+
+/* 0x50 - 0x53 */ DIS_BIT_IY,DIS_BIT_IY, DIS_BIT_IY, DIS_BIT_IY,
+/* 0x54 - 0x57 */ DIS_BIT_IY,DIS_BIT_IY, DIS_BIT_IY, DIS_BIT_IY,
+/* 0x58 - 0x5b */ DIS_BIT_IY,DIS_BIT_IY, DIS_BIT_IY, DIS_BIT_IY,
+/* 0x5c - 0x5f */ DIS_BIT_IY,DIS_BIT_IY, DIS_BIT_IY, DIS_BIT_IY,
+
+/* 0x60 - 0x63 */ DIS_BIT_IY,DIS_BIT_IY, DIS_BIT_IY, DIS_BIT_IY,
+/* 0x64 - 0x67 */ DIS_BIT_IY,DIS_BIT_IY, DIS_BIT_IY, DIS_BIT_IY,
+/* 0x68 - 0x6b */ DIS_BIT_IY,DIS_BIT_IY, DIS_BIT_IY, DIS_BIT_IY,
+/* 0x6c - 0x6f */ DIS_BIT_IY,DIS_BIT_IY, DIS_BIT_IY, DIS_BIT_IY,
+
+/* 0x70 - 0x73 */ DIS_BIT_IY,DIS_BIT_IY, DIS_BIT_IY, DIS_BIT_IY,
+/* 0x74 - 0x77 */ DIS_BIT_IY,DIS_BIT_IY, DIS_BIT_IY, DIS_BIT_IY,
+/* 0x78 - 0x7b */ DIS_BIT_IY,DIS_BIT_IY, DIS_BIT_IY, DIS_BIT_IY,
+/* 0x7c - 0x7f */ DIS_BIT_IY,DIS_BIT_IY, DIS_BIT_IY, DIS_BIT_IY,
+
+/* 0x80 - 0x83 */ DIS_RES_IY,DIS_RES_IY, DIS_RES_IY, DIS_RES_IY,
+/* 0x84 - 0x87 */ DIS_RES_IY,DIS_RES_IY, DIS_RES_IY, DIS_RES_IY,
+/* 0x88 - 0x8b */ DIS_RES_IY,DIS_RES_IY, DIS_RES_IY, DIS_RES_IY,
+/* 0x8c - 0x8f */ DIS_RES_IY,DIS_RES_IY, DIS_RES_IY, DIS_RES_IY,
+
+/* 0x90 - 0x93 */ DIS_RES_IY,DIS_RES_IY, DIS_RES_IY, DIS_RES_IY,
+/* 0x94 - 0x97 */ DIS_RES_IY,DIS_RES_IY, DIS_RES_IY, DIS_RES_IY,
+/* 0x98 - 0x9b */ DIS_RES_IY,DIS_RES_IY, DIS_RES_IY, DIS_RES_IY,
+/* 0x9c - 0x9f */ DIS_RES_IY,DIS_RES_IY, DIS_RES_IY, DIS_RES_IY,
+
+/* 0xa0 - 0xa3 */ DIS_RES_IY,DIS_RES_IY, DIS_RES_IY, DIS_RES_IY,
+/* 0xa4 - 0xa7 */ DIS_RES_IY,DIS_RES_IY, DIS_RES_IY, DIS_RES_IY,
+/* 0xa8 - 0xab */ DIS_RES_IY,DIS_RES_IY, DIS_RES_IY, DIS_RES_IY,
+/* 0xac - 0xaf */ DIS_RES_IY,DIS_RES_IY, DIS_RES_IY, DIS_RES_IY,
+
+/* 0xb0 - 0xb3 */ DIS_RES_IY,DIS_RES_IY, DIS_RES_IY, DIS_RES_IY,
+/* 0xb4 - 0xb7 */ DIS_RES_IY,DIS_RES_IY, DIS_RES_IY, DIS_RES_IY,
+/* 0xb8 - 0xbb */ DIS_RES_IY,DIS_RES_IY, DIS_RES_IY, DIS_RES_IY,
+/* 0xbc - 0xbf */ DIS_RES_IY,DIS_RES_IY, DIS_RES_IY, DIS_RES_IY,
+
+/* 0xc0 - 0xc3 */ DIS_SET_IY,DIS_SET_IY, DIS_SET_IY, DIS_SET_IY,
+/* 0xc4 - 0xc7 */ DIS_SET_IY,DIS_SET_IY, DIS_SET_IY, DIS_SET_IY,
+/* 0xc8 - 0xcb */ DIS_SET_IY,DIS_SET_IY, DIS_SET_IY, DIS_SET_IY,
+/* 0xcc - 0xcf */ DIS_SET_IY,DIS_SET_IY, DIS_SET_IY, DIS_SET_IY,
+
+/* 0xd0 - 0xd3 */ DIS_SET_IY,DIS_SET_IY, DIS_SET_IY, DIS_SET_IY,
+/* 0xd4 - 0xd7 */ DIS_SET_IY,DIS_SET_IY, DIS_SET_IY, DIS_SET_IY,
+/* 0xd8 - 0xdb */ DIS_SET_IY,DIS_SET_IY, DIS_SET_IY, DIS_SET_IY,
+/* 0xdc - 0xdf */ DIS_SET_IY,DIS_SET_IY, DIS_SET_IY, DIS_SET_IY,
+
+/* 0xe0 - 0xe3 */ DIS_SET_IY,DIS_SET_IY, DIS_SET_IY, DIS_SET_IY,
+/* 0xe4 - 0xe7 */ DIS_SET_IY,DIS_SET_IY, DIS_SET_IY, DIS_SET_IY,
+/* 0xe8 - 0xeb */ DIS_SET_IY,DIS_SET_IY, DIS_SET_IY, DIS_SET_IY,
+/* 0xec - 0xef */ DIS_SET_IY,DIS_SET_IY, DIS_SET_IY, DIS_SET_IY,
+
+/* 0xf0 - 0xf3 */ DIS_SET_IY,DIS_SET_IY, DIS_SET_IY, DIS_SET_IY,
+/* 0xf4 - 0xf7 */ DIS_SET_IY,DIS_SET_IY, DIS_SET_IY, DIS_SET_IY,
+/* 0xf8 - 0xfb */ DIS_SET_IY,DIS_SET_IY, DIS_SET_IY, DIS_SET_IY,
+/* 0xfc - 0xff */ DIS_SET_IY,DIS_SET_IY, DIS_SET_IY, DIS_SET_IY,
+ };
+
+/* DIS_First/single byte opcodes
+*/
+DIS_OP_CALLBACK dis_opcode_z80[0x100]=
+ {
+/* 0x00 - 0x03 */ DIS_NOP, DIS_LD_R16_WORD, DIS_LD_R16_A, DIS_INC_R16,
+/* 0x04 - 0x07 */ DIS_INC_R8, DIS_DEC_R8, DIS_LD_R8_BYTE, DIS_RLCA,
+/* 0x08 - 0x0b */ DIS_EX_AF_AF, DIS_ADD_HL_R16, DIS_LD_A_R16, DIS_DEC_R16,
+/* 0x0c - 0x0f */ DIS_INC_R8, DIS_DEC_R8, DIS_LD_R8_BYTE, DIS_RRCA,
+
+/* 0x10 - 0x13 */ DIS_DJNZ, DIS_LD_R16_WORD, DIS_LD_R16_A, DIS_INC_R16,
+/* 0x14 - 0x17 */ DIS_INC_R8, DIS_DEC_R8, DIS_LD_R8_BYTE, DIS_RLA,
+/* 0x18 - 0x1b */ DIS_JR, DIS_ADD_HL_R16, DIS_LD_A_R16, DIS_DEC_R16,
+/* 0x1c - 0x1f */ DIS_INC_R8, DIS_DEC_R8, DIS_LD_R8_BYTE, DIS_RRA,
+
+/* 0x20 - 0x23 */ DIS_JR_CO, DIS_LD_R16_WORD, DIS_LD_ADDR_HL, DIS_INC_R16,
+/* 0x24 - 0x27 */ DIS_INC_R8, DIS_DEC_R8, DIS_LD_R8_BYTE, DIS_DAA,
+/* 0x28 - 0x2b */ DIS_JR_CO, DIS_ADD_HL_R16, DIS_LD_HL_ADDR, DIS_DEC_R16,
+/* 0x2c - 0x2f */ DIS_INC_R8, DIS_DEC_R8, DIS_LD_R8_BYTE, DIS_CPL,
+
+/* 0x30 - 0x33 */ DIS_JR_CO, DIS_LD_R16_WORD, DIS_LD_ADDR_A, DIS_INC_R16,
+/* 0x34 - 0x37 */ DIS_INC_R8, DIS_DEC_R8, DIS_LD_R8_BYTE, DIS_SCF,
+/* 0x38 - 0x3b */ DIS_JR_CO, DIS_ADD_HL_R16, DIS_LD_A_ADDR, DIS_DEC_R16,
+/* 0x3c - 0x3f */ DIS_INC_R8, DIS_DEC_R8, DIS_LD_R8_BYTE, DIS_CCF,
+
+/* 0x40 - 0x43 */ DIS_LD_R8_R8, DIS_LD_R8_R8, DIS_LD_R8_R8, DIS_LD_R8_R8,
+/* 0x44 - 0x47 */ DIS_LD_R8_R8, DIS_LD_R8_R8, DIS_LD_R8_R8, DIS_LD_R8_R8,
+/* 0x48 - 0x4b */ DIS_LD_R8_R8, DIS_LD_R8_R8, DIS_LD_R8_R8, DIS_LD_R8_R8,
+/* 0x4c - 0x4f */ DIS_LD_R8_R8, DIS_LD_R8_R8, DIS_LD_R8_R8, DIS_LD_R8_R8,
+
+/* 0x50 - 0x53 */ DIS_LD_R8_R8, DIS_LD_R8_R8, DIS_LD_R8_R8, DIS_LD_R8_R8,
+/* 0x54 - 0x57 */ DIS_LD_R8_R8, DIS_LD_R8_R8, DIS_LD_R8_R8, DIS_LD_R8_R8,
+/* 0x58 - 0x5b */ DIS_LD_R8_R8, DIS_LD_R8_R8, DIS_LD_R8_R8, DIS_LD_R8_R8,
+/* 0x5c - 0x5f */ DIS_LD_R8_R8, DIS_LD_R8_R8, DIS_LD_R8_R8, DIS_LD_R8_R8,
+
+/* 0x60 - 0x63 */ DIS_LD_R8_R8, DIS_LD_R8_R8, DIS_LD_R8_R8, DIS_LD_R8_R8,
+/* 0x64 - 0x67 */ DIS_LD_R8_R8, DIS_LD_R8_R8, DIS_LD_R8_R8, DIS_LD_R8_R8,
+/* 0x68 - 0x6b */ DIS_LD_R8_R8, DIS_LD_R8_R8, DIS_LD_R8_R8, DIS_LD_R8_R8,
+/* 0x6c - 0x6f */ DIS_LD_R8_R8, DIS_LD_R8_R8, DIS_LD_R8_R8, DIS_LD_R8_R8,
+
+/* 0x70 - 0x73 */ DIS_LD_R8_R8, DIS_LD_R8_R8, DIS_LD_R8_R8, DIS_LD_R8_R8,
+/* 0x74 - 0x77 */ DIS_LD_R8_R8, DIS_LD_R8_R8, DIS_HALT, DIS_LD_R8_R8,
+/* 0x78 - 0x7b */ DIS_LD_R8_R8, DIS_LD_R8_R8, DIS_LD_R8_R8, DIS_LD_R8_R8,
+/* 0x7c - 0x7f */ DIS_LD_R8_R8, DIS_LD_R8_R8, DIS_LD_R8_R8, DIS_LD_R8_R8,
+
+/* 0x80 - 0x83 */ DIS_ADD_R8, DIS_ADD_R8, DIS_ADD_R8, DIS_ADD_R8,
+/* 0x84 - 0x87 */ DIS_ADD_R8, DIS_ADD_R8, DIS_ADD_R8, DIS_ADD_R8,
+/* 0x88 - 0x8b */ DIS_ADC_R8, DIS_ADC_R8, DIS_ADC_R8, DIS_ADC_R8,
+/* 0x8c - 0x8f */ DIS_ADC_R8, DIS_ADC_R8, DIS_ADC_R8, DIS_ADC_R8,
+
+/* 0x90 - 0x93 */ DIS_SUB_R8, DIS_SUB_R8, DIS_SUB_R8, DIS_SUB_R8,
+/* 0x94 - 0x97 */ DIS_SUB_R8, DIS_SUB_R8, DIS_SUB_R8, DIS_SUB_R8,
+/* 0x98 - 0x9b */ DIS_SBC_R8, DIS_SBC_R8, DIS_SBC_R8, DIS_SBC_R8,
+/* 0x9c - 0x9f */ DIS_SBC_R8, DIS_SBC_R8, DIS_SBC_R8, DIS_SBC_R8,
+
+/* 0xa0 - 0xa3 */ DIS_AND_R8, DIS_AND_R8, DIS_AND_R8, DIS_AND_R8,
+/* 0xa4 - 0xa7 */ DIS_AND_R8, DIS_AND_R8, DIS_AND_R8, DIS_AND_R8,
+/* 0xa8 - 0xab */ DIS_XOR_R8, DIS_XOR_R8, DIS_XOR_R8, DIS_XOR_R8,
+/* 0xac - 0xaf */ DIS_XOR_R8, DIS_XOR_R8, DIS_XOR_R8, DIS_XOR_R8,
+
+/* 0xb0 - 0xb3 */ DIS_OR_R8, DIS_OR_R8, DIS_OR_R8, DIS_OR_R8,
+/* 0xb4 - 0xb7 */ DIS_OR_R8, DIS_OR_R8, DIS_OR_R8, DIS_OR_R8,
+/* 0xb8 - 0xbb */ DIS_CP_R8, DIS_CP_R8, DIS_CP_R8, DIS_CP_R8,
+/* 0xbc - 0xbf */ DIS_CP_R8, DIS_CP_R8, DIS_CP_R8, DIS_CP_R8,
+
+/* 0xc0 - 0xc3 */ DIS_RET_CO, DIS_POP_R16, DIS_JP_CO, DIS_JP,
+/* 0xc4 - 0xc7 */ DIS_CALL_CO, DIS_PUSH_R16, DIS_ADD_A_BYTE, DIS_RST,
+/* 0xc8 - 0xcb */ DIS_RET_CO, DIS_RET, DIS_JP_CO, DIS_CB_DECODE,
+/* 0xcc - 0xcf */ DIS_CALL_CO, DIS_CALL, DIS_ADC_A_BYTE, DIS_RST,
+
+/* 0xd0 - 0xd3 */ DIS_RET_CO, DIS_POP_R16, DIS_JP_CO, DIS_OUT_BYTE_A,
+/* 0xd4 - 0xd7 */ DIS_CALL_CO, DIS_PUSH_R16, DIS_SUB_A_BYTE, DIS_RST,
+/* 0xd8 - 0xdb */ DIS_RET_CO, DIS_EXX, DIS_JP_CO, DIS_IN_A_BYTE,
+/* 0xdc - 0xdf */ DIS_CALL_CO, DIS_DD_DECODE, DIS_SBC_A_BYTE, DIS_RST,
+
+/* 0xe0 - 0xe3 */ DIS_RET_CO, DIS_POP_R16, DIS_JP_CO, DIS_EX_ISP_HL,
+/* 0xe4 - 0xe7 */ DIS_CALL_CO, DIS_PUSH_R16, DIS_AND_A_BYTE, DIS_RST,
+/* 0xe8 - 0xeb */ DIS_RET_CO, DIS_JP_HL, DIS_JP_CO, DIS_EX_DE_HL,
+/* 0xec - 0xef */ DIS_CALL_CO, DIS_ED_DECODE, DIS_XOR_A_BYTE, DIS_RST,
+
+/* 0xf0 - 0xf3 */ DIS_RET_CO, DIS_POP_R16, DIS_JP_CO, DIS_DI,
+/* 0xf4 - 0xf7 */ DIS_CALL_CO, DIS_PUSH_R16, DIS_OR_A_BYTE, DIS_RST,
+/* 0xf8 - 0xfb */ DIS_RET_CO, DIS_LD_SP_HL, DIS_JP_CO, DIS_EI,
+/* 0xfc - 0xff */ DIS_CALL_CO, DIS_FD_DECODE, DIS_CP_A_BYTE, DIS_RST,
+ };
+
+
+#endif
+
+/* END OF FILE */
generated by cgit v1.2.3 (git 2.25.1) at 2024-09-19 22:37:02 +0000