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-rw-r--r--src/memmenu.c949
1 files changed, 851 insertions, 98 deletions
diff --git a/src/memmenu.c b/src/memmenu.c
index 3bb800c..95429f9 100644
--- a/src/memmenu.c
+++ b/src/memmenu.c
@@ -26,6 +26,7 @@
static const char ident[]="$Id$";
#include <stdlib.h>
+#include <stdio.h>
#include <string.h>
#include <ctype.h>
@@ -33,33 +34,112 @@ static const char ident[]="$Id$";
#include "zx81.h"
#include "gfx.h"
#include "gui.h"
+#include "util.h"
#include <SDL.h>
static const char ident_h[]=EZX81_MEMMENU_H;
#ifndef TRUE
-#define TRUE 1
+#define TRUE 1
#endif
#ifndef FALSE
-#define FALSE 0
+#define FALSE 0
#endif
-#define WHITE GFXRGB(255,255,255)
-#define BLACK GFXRGB(0,0,0)
-#define RED GFXRGB(255,100,100)
-#define GREEN GFXRGB(100,255,100)
-#define BLUE GFXRGB(100,100,255)
+#define WHITE GFXRGB(255,255,255)
+#define BLACK GFXRGB(0,0,0)
+#define RED GFXRGB(255,100,100)
+#define GREEN GFXRGB(100,255,100)
+#define BLUE GFXRGB(100,100,255)
-#define MENU
+#define TRACE "trace"
+#define TRACEMEM_WIN 6
+
+
+/* ---------------------------------------- TYPES
+*/
+typedef struct
+{
+ int no;
+ int *active;
+ char **expr;
+} Breakpoint;
+
+
+typedef struct
+{
+ Z80Word addr;
+ Z80Word val;
+} MemTrace;
+
+
+typedef struct
+{
+ Z80State s;
+ MemTrace hl[TRACEMEM_WIN];
+ MemTrace de[TRACEMEM_WIN];
+ MemTrace sp[TRACEMEM_WIN];
+} Trace;
+
+
+/* ---------------------------------------- STATIC DATA
+*/
+static FILE *trace=NULL;
+static Breakpoint bpoint={0,NULL,NULL};
+static const char *brk=NULL;
+static int lodged=FALSE;
+
+
+/* ---------------------------------------- PROTOS
+*/
+static int Instruction(Z80 *z80, Z80Val data);
/* ---------------------------------------- PRIVATE FUNCTIONS
*/
+static int BreaksActive(void)
+{
+ int f;
+ int ret=FALSE;
+
+ for(f=0;f<bpoint.no;f++)
+ ret|=bpoint.active[f];
+
+ return ret;
+}
+
+
+static void SetCallback(Z80 *z80)
+{
+ if ((trace || BreaksActive()) && !lodged)
+ {
+ Z80LodgeCallback(z80,eZ80_Instruction,Instruction);
+ lodged=TRUE;
+ }
+}
+
+
+static void ClearCallback(Z80 *z80)
+{
+ if (!trace && !BreaksActive() && lodged)
+ {
+ Z80RemoveCallback(z80,eZ80_Instruction,Instruction);
+ lodged=FALSE;
+ }
+}
+
+
static void Centre(const char *p, int y, Uint32 col)
{
- GFXPrint((320-strlen(p)*8)/2,y,col,"%s",p);
+ GFXPrint((GFX_WIDTH-strlen(p)*8)/2,y,col,"%s",p);
+}
+
+
+static void CentrePaper(const char *p, int y, Uint32 pen, Uint32 paper)
+{
+ GFXPrintPaper((GFX_WIDTH-strlen(p)*8)/2,y,pen,paper,"%s",p);
}
@@ -67,8 +147,19 @@ static void DisplayMenu(void)
{
static const char *menu[]=
{
- "1. Disassemble/Hex dump",
- "2. Return ",
+ "1 - Disassemble/Hex dump ",
+ "2 - Disassemble to file ",
+ "3 - Start/Stop trace log ",
+ "4 - Playback trace log ",
+ "5 - Add a new breakpoint ",
+ "6 - Set active breakpoints",
+ "7 - Remove a breakpoint ",
+ "8 - Clear all breakpoints ",
+ "9 - Monitor ",
+ "R - Reset ",
+ "S - Show current CPU state",
+ "X - Exit (without confirm)",
+ "ESC - Return ",
NULL
};
@@ -77,13 +168,13 @@ static void DisplayMenu(void)
GFXClear(BLACK);
Centre("MEMORY MENU",0,WHITE);
- Centre("Select an option",8,WHITE);
+ Centre("Select an option",10,RED);
f=0;
while(menu[f])
{
- Centre(menu[f],20+f*10,WHITE);
+ Centre(menu[f],25+f*10,WHITE);
f++;
}
}
@@ -105,66 +196,56 @@ static const char *FlagString(Z80Byte flag)
}
-static int StrEq(const char *a, const char *b)
-{
- while(*a && *b && tolower(*a)==tolower(*b))
- {
- a++;
- b++;
- }
-
- if (*a || *b)
- return FALSE;
- else
- return TRUE;
-}
-
-
-static Z80Word Address(Z80 *z80, const char *p)
+int DisplayZ80State(Z80State *s, int y, Uint32 col)
{
- Z80State s;
-
- Z80GetState(z80,&s);
+ GFXPrintPaper(0,y,col,BLACK,
+ "PC=%4.4x A=%2.2x F=%s",
+ s->PC,s->AF>>8,FlagString(s->AF&0xff));
+ y+=8;
+ GFXPrintPaper(0,y,col,BLACK,
+ "BC=%4.4x DE=%4.4x HL=%4.4x",
+ s->BC,s->DE,s->HL);
+ y+=8;
+ GFXPrintPaper(0,y,col,BLACK,
+ "IX=%4.4x IY=%4.4x SP=%4.4x",
+ s->IX,s->IY,s->SP);
+ y+=8;
+ GFXPrintPaper(0,y,col,BLACK,
+ "AF'=%4.4x BC'=%4.4x DE'=%4.4x HL'=%4.4x",
+ s->AF_,s->BC_,s->DE_,s->HL_);
+ y+=8;
+ GFXPrintPaper(0,y,col,BLACK,
+ "I=%2.2x IM=%2.2x R=%2.2x",
+ s->I,s->IM,s->R);
+ y+=8;
+ GFXPrintPaper(0,y,col,BLACK,
+ "IFF1=%2.2x IFF2=%2.2x",
+ s->IFF1,s->IFF2);
- if (StrEq(p,"AF"))
- return s.AF;
- else if (StrEq(p,"BC"))
- return s.BC;
- else if (StrEq(p,"DE"))
- return s.DE;
- else if (StrEq(p,"HL"))
- return s.HL;
- else if (StrEq(p,"IX"))
- return s.IX;
- else if (StrEq(p,"IY"))
- return s.IY;
- else if (StrEq(p,"SP"))
- return s.SP;
- else if (StrEq(p,"PC"))
- return s.PC;
-
- return (Z80Word)strtoul(p,NULL,0);
+ return y+8;
}
-static int EnterAddress(Z80 *z80, Z80Word *w)
+static int EnterAddress(const char *prompt, Z80 *z80, Z80Word *w)
{
- unsigned long ul;
const char *p;
+ char *error;
+ long l;
- p=GUIInputString("Address?","");
+ p=GUIInputString(prompt ? prompt : "Address?","");
if (*p)
{
- ul=Address(z80,p);
-
- if (ul>0xffff)
+ if (!Z80Expression(z80,p,&l,&error))
{
- GUIMessage("ERROR","Bad address");
+ GUIMessage(eMessageBox,
+ "ERROR","%s",error ? error:"Invalid expression");
+
+ free(error);
}
else
{
- *w=(Z80Word)ul;
+ *w=(Z80Word)l;
return TRUE;
}
}
@@ -173,6 +254,17 @@ static int EnterAddress(Z80 *z80, Z80Word *w)
}
+static void EnterLong(const char *prompt, long *l)
+{
+ const char *p;
+
+ p=GUIInputString(prompt ? prompt : "Value?","");
+
+ if (*p)
+ *l=strtol(p,NULL,0);
+}
+
+
static void DoDisassem(Z80 *z80, const Z80State *s)
{
static int hexmode=FALSE;
@@ -188,31 +280,45 @@ static void DoDisassem(Z80 *z80, const Z80State *s)
GFXClear(BLACK);
- Centre("Press F1 for help",0,RED);
+ Centre("DISASSEMBLY",0,WHITE);
+ Centre("Press F1 for help",9,RED);
curr=pc;
- for(f=0;f<21;f++)
+ for(f=0;f<GFX_HEIGHT/8-8;f++)
{
char s[80];
char *p;
int y;
- y=16+f*8;
+ y=24+f*8;
GFXPrint(0,y,GREEN,"%4.4x",curr);
if (hexmode)
{
int n;
+ char asc[9];
for(n=0;n<8;n++)
{
- GFXPrint(40+n*24,y,WHITE,"%2.2x",
- (int)ZX81ReadForDisassem(z80,curr));
+ Z80Byte b;
+
+ b=ZX81ReadForDisassem(z80,curr);
+
+ GFXPrint(40+n*24,y,WHITE,"%2.2x",(int)b);
curr++;
+
+ if (isprint(b))
+ asc[n]=b;
+ else
+ asc[n]='.';
}
+
+ asc[8]=0;
+
+ GFXPrint(40+8*24,y,RED,"%s",asc);
}
else
{
@@ -234,16 +340,16 @@ static void DoDisassem(Z80 *z80, const Z80State *s)
{
case SDLK_F1:
GUIMessage
- ("DISASSEMBLY HELP","%s",
- "ESC - Exit\n"
- "H - Switch between disassembly/hex\n"
- "Enter - Enter address to display\n"
- "Cursor Up - Prev op\n"
- "Cursor Down - Next op\n"
- "Page Up - Move back a page\n"
- "Page Down - Move forward a page\n"
- "Cursor Left - Move PC by -1024\n"
- "Cursor Right - Move PC by 1024");
+ (eMessageBox, "DISASSEMBLY HELP","%s",
+ "ESC - Exit \n"
+ "H - Disassembly/hex \n"
+ "Enter - Enter address \n"
+ "Up - Prev byte \n"
+ "Down - Next op \n"
+ "Page Up - Back 1 page \n"
+ "Page Down - Forward 1 page \n"
+ "Left - Forward 1024 bytes\n"
+ "Right - Back 1024 bytes ");
break;
case SDLK_ESCAPE:
@@ -256,7 +362,7 @@ static void DoDisassem(Z80 *z80, const Z80State *s)
case SDLK_RETURN:
case SDLK_KP_ENTER:
- EnterAddress(z80,&pc);
+ EnterAddress(NULL,z80,&pc);
break;
case SDLK_UP:
@@ -296,22 +402,619 @@ static void DoDisassem(Z80 *z80, const Z80State *s)
}
+static void DoDisassemFile(Z80 *z80, const Z80State *s)
+{
+ static char fname[FILENAME_MAX]="";
+ FILE *fp;
+ Z80Word start;
+ Z80Word len;
+ Z80Word prev;
+ const char *p;
+
+ EnterAddress("Disassemble from?",z80,&start);
+ EnterAddress("For how many bytes?",z80,&len);
+
+ p=GUIInputString("To file?",fname);
+
+ if (!strlen(p))
+ return;
+
+ strcpy(fname,p);
+
+ if (!(fp=fopen(fname,"w")))
+ {
+ GUIMessage(eMessageBox,"ERROR","Couldn't create file:\n%s",fname);
+ return;
+ }
+
+ prev=len;
+
+ while(len<=prev)
+ {
+ Z80Word orig=start;
+
+ fprintf(fp,"%4.4x: %s\n",orig,Z80Disassemble(z80,&start));
+ prev=len;
+ len-=(start-orig);
+ }
+
+ fclose(fp);
+}
+
+
+static void GetMemTrace(Z80 *z80, MemTrace *t, Z80Word from, int count)
+{
+ int f;
+
+ f=0;
+
+ while(f<count)
+ {
+ Z80Word w;
+
+ w=(Z80Word)ZX81ReadForDisassem(z80,from)|
+ (Z80Word)ZX81ReadForDisassem(z80,from+1)<<8;
+
+ t[f].addr=from;
+ t[f].val=w;
+
+ from+=2;
+ f++;
+ }
+}
+
+
+static int Instruction(Z80 *z80, Z80Val data)
+{
+ int f;
+
+ if (trace)
+ {
+ Trace t;
+
+ Z80GetState(z80,&t.s);
+
+ GetMemTrace(z80,t.hl,t.s.HL-(TRACEMEM_WIN/2+1),TRACEMEM_WIN);
+ GetMemTrace(z80,t.de,t.s.DE-(TRACEMEM_WIN/2+1),TRACEMEM_WIN);
+ GetMemTrace(z80,t.sp,t.s.SP-(TRACEMEM_WIN/2+1),TRACEMEM_WIN);
+
+ fwrite(&t,sizeof t,1,trace);
+ }
+
+ for(f=0;f<bpoint.no;f++)
+ if (bpoint.active[f])
+ {
+ long l;
+
+ if (Z80Expression(z80,bpoint.expr[f],&l,NULL))
+ {
+ if (l)
+ brk=bpoint.expr[f];
+ }
+ }
+
+ return TRUE;
+}
+
+
+static void EnableTrace(Z80 *z80, Z80State *s)
+{
+ if (!trace)
+ {
+ trace=fopen(TRACE,"wb");
+
+ if (trace)
+ {
+ GUIMessage(eMessageBox,"NOTICE","Created trace log");
+ SetCallback(z80);
+ }
+ else
+ {
+ GUIMessage(eMessageBox,"ERROR","Failed to create trace log");
+ }
+ }
+}
+
+
+static void DisableTrace(Z80 *z80)
+{
+ if (trace)
+ {
+ GUIMessage(eMessageBox,"NOTICE","Closing current trace log");
+ fclose(trace);
+ trace=NULL;
+ ClearCallback(z80);
+ }
+}
+
+
+static void DisplayTraceMem(int x, int y, const char *name,
+ MemTrace *m, Z80Word expect)
+{
+ int f;
+
+ GFXPrint(x,y,GREEN,"%s",name);
+
+ for(f=0;f<TRACEMEM_WIN;f++)
+ {
+ Uint32 paper;
+
+ if (m[f].addr==expect)
+ paper=RED;
+ else
+ paper=BLACK;
+
+ GFXPrintPaper(x,y+f*8+12,GREEN,paper,"%4.4x",m[f].addr);
+ GFXPrintPaper(x+32,y+f*8+12,WHITE,paper," %4.4x",m[f].val);
+ }
+}
+
+static void PlaybackTrace(Z80 *z80)
+{
+ static int showmem=FALSE;
+ FILE *fp;
+ int quit;
+ long prev_pos;
+ long pos;
+ long max_pos;
+ Z80Word pc;
+ Trace t;
+
+ fp=fopen(TRACE,"rb");
+
+ if (!fp)
+ {
+ GUIMessage(eMessageBox,"ERROR","Couldn't open trace file");
+ return;
+ }
+
+ fseek(fp,0,SEEK_END);
+
+ max_pos=ftell(fp)/sizeof t;
+
+ if (max_pos==0)
+ {
+ GUIMessage(eMessageBox,"ERROR","Empty trace file");
+ fclose(fp);
+ return;
+ }
+
+ pos=0;
+ prev_pos=pos;
+ pc=0;
+ quit=FALSE;
+
+ while(!quit)
+ {
+ SDL_Event *e;
+ size_t rd;
+ int f;
+
+ GFXClear(BLACK);
+
+ Centre("TRACE PLAYBACK",0,WHITE);
+ Centre("Press F1 for help",9,RED);
+
+ fseek(fp,pos*sizeof t,SEEK_SET);
+ fread(&t,sizeof t,1,fp);
+
+ if (showmem)
+ {
+ DisplayTraceMem(0,136,"MEM (SP)",t.sp,t.s.SP);
+ DisplayTraceMem(100,136,"MEM (HL)",t.hl,t.s.HL);
+ DisplayTraceMem(200,136,"MEM (DE)",t.de,t.s.DE);
+ }
+ else
+ DisplayZ80State(&t.s,136,WHITE);
+
+ for(f=0;f<10;f++)
+ {
+ char str[80];
+ char *p;
+ int paper;
+ int y;
+
+ y=24+f*8;
+
+ if (f==0)
+ paper=RED;
+ else
+ paper=BLACK;
+
+ GFXPrintPaper(0,y,GREEN,paper,"%4.4x ",t.s.PC);
+
+ strcpy(str,Z80Disassemble(z80,&t.s.PC));
+ p=strtok(str,";");
+ GFXPrintPaper(40,y,WHITE,paper,"%s",str);
+ }
+
+ GFXPrint(0,112,GREEN,"Current step: %ld",pos+1);
+ GFXPrint(0,120,GREEN,"Total steps : %ld",max_pos);
+
+ prev_pos=pos;
+
+ GFXEndFrame(FALSE);
+
+ e=GFXWaitKey();
+
+ switch(e->key.keysym.sym)
+ {
+ case SDLK_F1:
+ GUIMessage
+ (eMessageBox,"PLAYBACK HELP","%s",
+ "ESC - Exit \n"
+ "Enter - Step number \n"
+ "P - Search for PC \n"
+ "M - Toggle CPU state/memory \n"
+ "Up - Prev step \n"
+ "Down - Next step \n"
+ "Page Up - Back 50 steps \n"
+ "Page Down - Forward 50 steps \n"
+ "Left - Back 1000 steps \n"
+ "Right - Forward 1000 steps \n \n"
+ "NOTE: Disassembly is as memory is NOW");
+ break;
+
+ case SDLK_ESCAPE:
+ quit=TRUE;
+ break;
+
+ case SDLK_RETURN:
+ case SDLK_KP_ENTER:
+ EnterLong("Step number?",&pos);
+ pos--;
+ break;
+
+ case SDLK_p:
+ if (EnterAddress("PC to search for?",z80,&pc))
+ {
+ while((rd=fread(&t,sizeof t,1,fp))==1)
+ {
+ pos++;
+ if (t.s.PC==pc)
+ break;
+ }
+
+ if (rd!=1)
+ {
+ GUIMessage(eMessageBox,"NOTICE","Address not found");
+ pos=prev_pos;
+ }
+ }
+ break;
+
+ case SDLK_m:
+ showmem=!showmem;
+ break;
+
+ case SDLK_UP:
+ pos--;
+ break;
+
+ case SDLK_DOWN:
+ pos++;
+ break;
+
+ case SDLK_PAGEUP:
+ pos-=50;
+ break;
+
+ case SDLK_PAGEDOWN:
+ pos+=50;
+ break;
+
+ case SDLK_LEFT:
+ pos-=1000;
+ break;
+
+ case SDLK_RIGHT:
+ pos+=1000;
+ break;
+
+ default:
+ break;
+ }
+
+ /* Check position before next loop
+ */
+ if (pos<0)
+ pos=0;
+
+ if (pos>=max_pos)
+ pos=max_pos-1;
+ }
+
+ fclose(fp);
+}
+
+
+static void DoAddBreakpoint(Z80 *z80)
+{
+ const char *expr;
+ char *error;
+ long l;
+
+ expr=GUIInputString("Expression?","");
+
+ if (!*expr)
+ return;
+
+ if (!Z80Expression(z80,expr,&l,&error))
+ {
+ if (error)
+ {
+ GUIMessage(eMessageBox,"INVALID EXPRESSION","%s",error);
+ free(error);
+ }
+ else
+ {
+ GUIMessage(eMessageBox,"ERROR","Expression is invalid");
+ free(error);
+ }
+ }
+ else
+ {
+ bpoint.no++;
+ bpoint.expr=Realloc(bpoint.expr,bpoint.no * sizeof(*bpoint.expr));
+ bpoint.active=Realloc(bpoint.active,bpoint.no * sizeof(*bpoint.active));
+
+ bpoint.expr[bpoint.no-1]=StrCopy(expr);
+ bpoint.active[bpoint.no-1]=TRUE;
+
+ SetCallback(z80);
+ }
+}
+
+
+static void DoActiveBreakpoint(Z80 *z80)
+{
+ if (bpoint.no==0)
+ {
+ GUIMessage(eMessageBox,"NOTICE","No breakpoints to set");
+ return;
+ }
+
+ GFXClear(BLACK);
+
+ GUIListOption("SELECT ACTIVE BREAKPOINTS",
+ bpoint.no,bpoint.expr,bpoint.active);
+}
+
+
+static void DoRemoveBreakpoint(Z80 *z80)
+{
+ int sel;
+
+ if (bpoint.no==0)
+ {
+ GUIMessage(eMessageBox,"NOTICE","No breakpoints to delete");
+ return;
+ }
+
+ GFXClear(BLACK);
+
+ sel=GUIListSelect("BREAKPOINT TO DELETE",bpoint.no,bpoint.expr);
+
+ while (sel!=-1)
+ {
+ int f;
+
+ free(bpoint.expr[sel]);
+
+ for(f=sel;f<bpoint.no-1;f++)
+ {
+ bpoint.expr[f]=bpoint.expr[f+1];
+ bpoint.active[f]=bpoint.active[f+1];
+ }
+
+ bpoint.no--;
+
+ if (bpoint.no==0)
+ {
+ free(bpoint.expr);
+ bpoint.expr=NULL;
+ bpoint.active=NULL;
+ }
+ else
+ {
+ bpoint.expr=Realloc(bpoint.expr,
+ bpoint.no * sizeof(*bpoint.expr));
+ bpoint.active=Realloc(bpoint.active,
+ bpoint.no * sizeof(*bpoint.active));
+ }
+
+ ClearCallback(z80);
+
+ sel=GUIListSelect("BREAKPOINT TO DELETE",bpoint.no,bpoint.expr);
+ }
+}
+
+
+static void DoClearBreakpoint(Z80 *z80)
+{
+ if (GUIMessage(eYesNoBox,"BREAKPOINTS","Clear all breakpoints"))
+ {
+ int f;
+
+ for(f=0;f<bpoint.no;f++)
+ free(bpoint.expr[f]);
+
+ free(bpoint.expr);
+ bpoint.expr=NULL;
+ bpoint.no=0;
+
+ ClearCallback(z80);
+ }
+}
+
+
+static void DoMonitor(Z80 *z80)
+{
+ static int showmem=FALSE;
+ int quit=FALSE;
+ int running=FALSE;
+ int step=FALSE;
+
+ ZX81EnableScreen(FALSE);
+
+ while(!quit)
+ {
+ MemTrace mt[TRACEMEM_WIN];
+ const char *brk;
+ SDL_Event *e;
+ Z80State s;
+ int f;
+
+ step=FALSE;
+
+ GFXClear(BLACK);
+
+ CentrePaper("MONITOR",0,WHITE,BLACK);
+ CentrePaper("Press F1 for help",9,RED,BLACK);
+
+ Z80GetState(z80,&s);
+
+ if (showmem)
+ {
+ GetMemTrace(z80,mt,s.SP-(TRACEMEM_WIN/2+1),TRACEMEM_WIN);
+ DisplayTraceMem(0,136,"MEM (SP)",mt,s.SP);
+ GetMemTrace(z80,mt,s.HL-(TRACEMEM_WIN/2+1),TRACEMEM_WIN);
+ DisplayTraceMem(100,136,"MEM (HL)",mt,s.HL);
+ GetMemTrace(z80,mt,s.DE-(TRACEMEM_WIN/2+1),TRACEMEM_WIN);
+ DisplayTraceMem(200,136,"MEM (DE)",mt,s.DE);
+ }
+ else
+ {
+ int y;
+
+ y=DisplayZ80State(&s,136,WHITE);
+ GFXPrint(0,y,GREEN,"%s",ZX81Info(z80));
+ }
+
+ for(f=0;f<10;f++)
+ {
+ char str[80];
+ char *p;
+ int paper;
+ int y;
+
+ y=24+f*8;
+
+ if (f==0)
+ paper=RED;
+ else
+ paper=BLACK;
+
+ GFXPrintPaper(0,y,GREEN,paper,"%4.4x ",s.PC);
+
+ strcpy(str,Z80Disassemble(z80,&s.PC));
+ p=strtok(str,";");
+ GFXPrintPaper(40,y,WHITE,paper,"%s",str);
+ }
+
+ GFXEndFrame(FALSE);
+
+ if (running)
+ {
+ e=GFXGetKey();
+
+ if (e && e->key.state!=SDL_PRESSED)
+ e=NULL;
+ }
+ else
+ e=GFXWaitKey();
+
+ if (e)
+ {
+ switch(e->key.keysym.sym)
+ {
+ case SDLK_F1:
+ GUIMessage
+ (eMessageBox,"PLAYBACK HELP","%s",
+ "ESC - Exit \n"
+ "ENTER - Single step processor \n"
+ "R - Run till break or stop \n"
+ "SPACE - Stop running \n"
+ "M - Toggle CPU state/memory \n"
+ "5 - Add a new breakpoint \n"
+ "6 - Set active breakpoints \n"
+ "7 - Remove a breakpoint \n"
+ "8 - Clear all breakpoints ");
+ break;
+
+ case SDLK_RETURN:
+ case SDLK_KP_ENTER:
+ step=TRUE;
+ break;
+
+ case SDLK_ESCAPE:
+ quit=TRUE;
+ break;
+
+ case SDLK_r:
+ running=TRUE;
+ break;
+
+ case SDLK_SPACE:
+ running=FALSE;
+ break;
+
+ case SDLK_m:
+ showmem=!showmem;
+ break;
+
+ case SDLK_5:
+ DoAddBreakpoint(z80);
+ break;
+
+ case SDLK_6:
+ DoActiveBreakpoint(z80);
+ break;
+
+ case SDLK_7:
+ DoRemoveBreakpoint(z80);
+ break;
+
+ case SDLK_8:
+ DoClearBreakpoint(z80);
+ break;
+
+ default:
+ break;
+ }
+ }
+
+ if (running || step)
+ Z80SingleStep(z80);
+
+ if (running && (brk=Break()))
+ {
+ GUIMessage(eMessageBox,"BREAKPOINT","%s",brk);
+ running=FALSE;
+ }
+ }
+
+ ZX81EnableScreen(TRUE);
+}
+
+
/* ---------------------------------------- EXPORTED INTERFACES
*/
-void MemoryMenu(Z80 *z80)
+int MemoryMenu(Z80 *z80)
{
SDL_Event *e;
+ int done=FALSE;
int quit=FALSE;
Z80State s;
+ int y;
Z80GetState(z80,&s);
GFXKeyRepeat(TRUE);
- while(!quit)
+ while(!done)
{
DisplayMenu();
- DisplayState(z80);
GFXEndFrame(FALSE);
e=GFXWaitKey();
@@ -322,17 +1025,78 @@ void MemoryMenu(Z80 *z80)
DoDisassem(z80,&s);
break;
- case SDLK_ESCAPE:
case SDLK_2:
+ DoDisassemFile(z80,&s);
+ break;
+
+ case SDLK_3:
+ if (!trace)
+ EnableTrace(z80,&s);
+ else
+ DisableTrace(z80);
+ break;
+
+ case SDLK_4:
+ DisableTrace(z80);
+ PlaybackTrace(z80);
+ break;
+
+ case SDLK_5:
+ DoAddBreakpoint(z80);
+ break;
+
+ case SDLK_6:
+ DoActiveBreakpoint(z80);
+ break;
+
+ case SDLK_7:
+ DoRemoveBreakpoint(z80);
+ break;
+
+ case SDLK_8:
+ DoClearBreakpoint(z80);
+ break;
+
+ case SDLK_9:
+ DoMonitor(z80);
+ break;
+
+ case SDLK_r:
+ if (GUIMessage(eYesNoBox,"RESET","Sure?"))
+ {
+ Z80Reset(z80);
+ ZX81Reset(z80);
+ }
+ break;
+
+ case SDLK_x:
+ done=TRUE;
quit=TRUE;
break;
+ case SDLK_s:
+ GFXClear(BLACK);
+ Centre("CURRENT STATE",0,WHITE);
+ Centre("Press a key",9,RED);
+ y=DisplayZ80State(&s,20,WHITE);
+ GFXPrint(0,y,GREEN,"%s",ZX81Info(z80));
+ GFXEndFrame(FALSE);
+ GFXWaitKey();
+ break;
+
+ case SDLK_ESCAPE:
+ done=TRUE;
+ break;
+
default:
break;
}
}
GFXKeyRepeat(FALSE);
+
+ GFXClear(BLACK);
+ return quit;
}
@@ -342,31 +1106,20 @@ void DisplayState(Z80 *z80)
int y;
Z80GetState(z80,&s);
+ y=DisplayZ80State(&s,GFX_HEIGHT/2,RED);
+ GFXPrintPaper(0,y,GREEN,BLACK,"%s",ZX81Info(z80));
+}
- y=136;
-
- GFXPrintPaper(0,y,RED,BLACK,"PC=%4.4x A=%2.2x F=%s",
- s.PC,s.AF>>8,FlagString(s.AF&0xff));
- y+=8;
-
- GFXPrintPaper(0,y,RED,BLACK,"BC=%4.4x DE=%4.4x HL=%4.4x",s.BC,s.DE,s.HL);
- y+=8;
-
- GFXPrintPaper(0,y,RED,BLACK,"IX=%4.4x IY=%4.4x SP=%4.4x",s.IX,s.IY,s.SP);
- y+=8;
- GFXPrintPaper(0,y,RED,BLACK,"I=%2.2x IM=%2.2x R=%2.2x",s.I,s.IM,s.R);
- y+=8;
+const char *Break(void)
+{
+ const char *ret;
- GFXPrintPaper(0,y,RED,BLACK,"IFF1=%2.2x IFF2=%2.2x",s.IFF1,s.IFF2);
- y+=8;
+ ret=brk;
+ brk=NULL;
- y+=8;
- GFXPrintPaper(0,y,RED,BLACK,"%s\n",ZX81Info(z80));
- y+=8;
+ return ret;
}
-
-
/* END OF FILE */
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-09 23:38:21 +0000