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Diffstat (limited to 'arm9/include/z80_private.h')
| -rw-r--r-- | arm9/include/z80_private.h | 276 |
1 files changed, 0 insertions, 276 deletions
diff --git a/arm9/include/z80_private.h b/arm9/include/z80_private.h deleted file mode 100644 index dc4f6b9..0000000 --- a/arm9/include/z80_private.h +++ /dev/null @@ -1,276 +0,0 @@ -/* - - z80 - Z80 emulation - - 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 - - ------------------------------------------------------------------------- - - $Id$ - - Private macros for Z80 - -*/ - -#ifndef Z80_PRIVATE_H -#define Z80_PRIVATE_H "$Id$" - -#include "z80_config.h" - -#ifndef TRUE -#define TRUE 1 -#endif - -#ifndef FALSE -#define FALSE 0 -#endif - -#define MAX_PER_CALLBACK 10 - - -/* ---------------------------------------- TYPES -*/ - -struct Z80Private -{ - Z80Val cycle; - - int halt; - - Z80Byte shift; - - int raise; - Z80Byte devbyte; - int nmi; - -#ifndef ENABLE_ARRAY_MEMORY - Z80ReadMemory disread; - - Z80ReadMemory mread; - Z80WriteMemory mwrite; -#endif - - Z80ReadPort pread; - Z80WritePort pwrite; - - Z80Callback callback[eZ80_NO_CALLBACK][MAX_PER_CALLBACK]; - - int last_cb; -}; - -#define PRIV cpu->priv - - -/* ---------------------------------------- ARRAY MEMORY -*/ - -#ifdef ENABLE_ARRAY_MEMORY -extern Z80Byte Z80_MEMORY[]; -#endif - - -/* ---------------------------------------- MACROS -*/ - -/* NOTE: A lot of these macros assume you have a variable called 'cpu' - which is a pointer to Z80 -*/ - - -/* Invoke a callback class -*/ -#define CALLBACK(r,d) do \ - { \ - int f; \ - \ - for(f=0;f<MAX_PER_CALLBACK;f++) \ - if (PRIV->callback[r][f]) \ - PRIV->last_cb &= \ - PRIV->callback[r][f](cpu,d);\ - } while(0) - -/* Flag register -*/ -#define C_Z80 0x01 -#define N_Z80 0x02 -#define P_Z80 0x04 -#define V_Z80 P_Z80 -#define H_Z80 0x10 -#define Z_Z80 0x40 -#define S_Z80 0x80 - -#define B3_Z80 0x08 -#define B5_Z80 0x20 - - -#define SET(v,b) (v)|=b -#define CLR(v,b) (v)&=~(b) - -#define SETFLAG(f) SET(cpu->AF.b[LO],f) -#define CLRFLAG(f) CLR(cpu->AF.b[LO],f) - -#ifdef ENABLE_ARRAY_MEMORY - -#define PEEK(addr) Z80_MEMORY[addr] - -static inline Z80Word PEEKW(Z80Word addr) -{ - return (PEEK(addr) | (Z80Word)PEEK(addr+1)<<8); -} - -#define POKE(addr,val) do \ - { \ - Z80Word ba=addr; \ - if (ba>=RAMBOT && ba<=RAMTOP) \ - Z80_MEMORY[ba]=val; \ - } while(0) - -#define POKEW(addr,val) do \ - { \ - Z80Word wa=addr; \ - Z80Word wv=val; \ - POKE(wa,wv); \ - POKE(wa+1,wv>>8); \ - } while(0) - - -#define FETCH_BYTE (Z80_MEMORY[cpu->PC++]) -#define FETCH_WORD (cpu->PC+=2, \ - Z80_MEMORY[cpu->PC-2]| \ - ((Z80Word)Z80_MEMORY[cpu->PC-1]<<8)) - -#else - -#define PEEK(addr) (PRIV->mread(cpu,addr)) -#define PEEKW(addr) FPEEKW(cpu,addr) - -#define POKE(addr,val) PRIV->mwrite(cpu,addr,val) -#define POKEW(addr,val) FPOKEW(cpu,addr,val) - -#define FETCH_BYTE (PRIV->mread(cpu,cpu->PC++)) -#define FETCH_WORD (cpu->PC+=2,FPEEKW(cpu,cpu->PC-2)) - -#endif - - -#define IS_C (cpu->AF.b[LO]&C_Z80) -#define IS_N (cpu->AF.b[LO]&N_Z80) -#define IS_P (cpu->AF.b[LO]&P_Z80) -#define IS_H (cpu->AF.b[LO]&H_Z80) -#define IS_Z (cpu->AF.b[LO]&Z_Z80) -#define IS_S (cpu->AF.b[LO]&S_Z80) - -#define CARRY IS_C - -#define IS_IX_IY (PRIV->shift==0xdd || PRIV->shift==0xfd) -#define OFFSET(off) off=(IS_IX_IY ? (Z80Relative)FETCH_BYTE:0) - -#define TSTATE(n) PRIV->cycle+=n - -#define ADD_R(v) cpu->R=((cpu->R&0x80)|((cpu->R+(v))&0x7f)) -#define INC_R ADD_R(1) - -#ifdef ENABLE_ARRAY_MEMORY - -#define PUSH(REG) do \ - { \ - Z80Word pv=REG; \ - cpu->SP-=2; \ - POKE(cpu->SP,pv); \ - POKE(cpu->SP+1,pv>>8); \ - } while(0) - -#else - -#define PUSH(REG) do \ - { \ - Z80Word pushv=REG; \ - cpu->SP-=2; \ - PRIV->mwrite(cpu,cpu->SP,pushv); \ - PRIV->mwrite(cpu,cpu->SP+1,pushv>>8);\ - } while(0) -#endif - -#define POP(REG) do \ - { \ - REG=PEEK(cpu->SP) | \ - (Z80Word)PEEK(cpu->SP+1)<<8; \ - cpu->SP+=2; \ - } while(0) - -#define SETHIDDEN(res) cpu->AF.b[LO]=(cpu->AF.b[LO]&~(B3_Z80|B5_Z80))|\ - ((res)&(B3_Z80|B5_Z80)) - -#define CALL do \ - { \ - PUSH(cpu->PC+2); \ - cpu->PC=PEEKW(cpu->PC); \ - } while(0) - -#define NOCALL cpu->PC+=2 -#define JP cpu->PC=PEEKW(cpu->PC) -#define NOJP cpu->PC+=2 -#define JR cpu->PC+=(Z80Relative)PEEK(cpu->PC)+1 -#define NOJR cpu->PC++ - -#define OUT(P,V) do \ - { \ - if (PRIV->pwrite) \ - PRIV->pwrite(cpu,P,V); \ - } while(0) - -#define IN(P) (PRIV->pread?PRIV->pread(cpu,P):0) - - - -/* ---------------------------------------- LABELS -*/ -extern Z80Label *z80_labels; - - -/* ---------------------------------------- GLOBAL GENERAL OPCODES/ROUTINES -*/ -void Z80_Decode(Z80 *cpu, Z80Byte opcode); -void Z80_InitialiseInternals(void); - - -/* ---------------------------------------- DISASSEMBLY -*/ -#ifdef ENABLE_DISASSEM -typedef void (*DIS_OP_CALLBACK)(Z80 *z80, Z80Byte op, Z80Word *pc); - -extern DIS_OP_CALLBACK dis_CB_opcode[]; -extern DIS_OP_CALLBACK dis_DD_opcode[]; -extern DIS_OP_CALLBACK dis_DD_CB_opcode[]; -extern DIS_OP_CALLBACK dis_ED_opcode[]; -extern DIS_OP_CALLBACK dis_FD_opcode[]; -extern DIS_OP_CALLBACK dis_FD_CB_opcode[]; -extern DIS_OP_CALLBACK dis_opcode_z80[]; - -const char *Z80_Dis_Printf(const char *format, ...); - -Z80Byte Z80_Dis_FetchByte(Z80 *cpu, Z80Word *pc); -Z80Word Z80_Dis_FetchWord(Z80 *cpu, Z80Word *pc); - -void Z80_Dis_Set(const char *op, const char *arg); -const char *Z80_Dis_GetOp(void); -const char *Z80_Dis_GetArg(void); -#endif /* ENABLE_DISASSEM */ - -#endif /* Z80_PRIVATE_H */ - -/* END OF FILE */ |