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- [NEW] Added option for break on interrupt

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This commit is contained in:
Raimon Zamora
2024-12-11 16:38:40 +01:00
parent 231bb1f1ac
commit 52de24a076
4 changed files with 9 additions and 2 deletions
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7
z80.cpp
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@@ -10,7 +10,7 @@ namespace z80
static uint8_t memtouched[65536]; static uint8_t memtouched[65536];
static uint32_t t = 0; static uint32_t t = 0;
static uint16_t current_opcode_address = 0; static uint16_t current_opcode_address = 0;
bool options[Z80_NUM_OPTIONS] = { true }; bool options[Z80_NUM_OPTIONS] = { true, false };
int (*in_ports[256])(int); int (*in_ports[256])(int);
void (*out_ports[256])(int, int); void (*out_ports[256])(int, int);
@@ -666,7 +666,12 @@ namespace z80
} else if (im==2) { } else if (im==2) {
const uint16_t address = (rI<<8) | 0xFE; const uint16_t address = (rI<<8) | 0xFE;
rPC = READ_MEM_16(address); rPC = READ_MEM_16(address);
} else if (im==0) {
printf("Interrupt mode 0!\n");
z80debug::stop();
return;
} }
if (options[Z80_OPTION_BREAK_ON_INTERRUPT]) z80debug::stop();
} }
void RST(uint8_t vec) void RST(uint8_t vec)

3
z80.h
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@@ -10,7 +10,8 @@ namespace z80
#define MEMTAG_DATA 3 #define MEMTAG_DATA 3
#define Z80_OPTION_STOP_ON_INVALID 0 #define Z80_OPTION_STOP_ON_INVALID 0
#define Z80_NUM_OPTIONS 1 #define Z80_OPTION_BREAK_ON_INTERRUPT 1
#define Z80_NUM_OPTIONS 2
void reset(uint8_t* mem); void reset(uint8_t* mem);
void connect_port(int num, int (*in_ptr)(int), void (*out_ptr)(int,int)); void connect_port(int num, int (*in_ptr)(int), void (*out_ptr)(int,int));

1
z80debug.cpp
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@@ -623,6 +623,7 @@ namespace z80debug
} else if (strcmp(cmd, "b")==0 || strcmp(cmd, "break")==0) { } else if (strcmp(cmd, "b")==0 || strcmp(cmd, "break")==0) {
getcmd(); getcmd();
if (cmd[0] == 0) { breakpoints[z80::getPC()]=1; return; } if (cmd[0] == 0) { breakpoints[z80::getPC()]=1; return; }
if (cmd[0] == 'i') { z80::setOption(Z80_OPTION_BREAK_ON_INTERRUPT, !z80::getOption(Z80_OPTION_BREAK_ON_INTERRUPT)); return; }
int address = getnum(cmd); int address = getnum(cmd);
if (address<0 || address>65536) { sendToConsoleLog("Illegal break address"); return; } if (address<0 || address>65536) { sendToConsoleLog("Illegal break address"); return; }
getcmd(); getcmd();