Apple-1-Tools/Ryukojiro-apple1
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Implemented breakpoint catching, although it doesn't always seem to work

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git-svn-id: svn+ssh://svn.phoenixbox.net/svn/apple1/trunk@64 64f78de7-aa59-e511-a0e8-0002a5492df0
This commit is contained in:
Daniel Loffgren 2015-09-29 07:45:47 +00:00
parent caf0f3b028
commit 0a8dd062aa
1 changed files with 9 additions and 1 deletions
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10
apple1/main.c
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@ -30,6 +30,7 @@ static v6502_cpu *cpu;
static a1pia *pia; static a1pia *pia;
static int consoleMessageSeen; static int consoleMessageSeen;
static as6502_symbol_table *table; static as6502_symbol_table *table;
static v6502_breakpoint_list *breakpoint_list;
static void fault(void *ctx, const char *e) { static void fault(void *ctx, const char *e) {
(*(int *)ctx)++; (*(int *)ctx)++;
@ -58,6 +59,13 @@ static void run(v6502_cpu *cpu) {
} }
while (!faulted && !pia->signalled) { while (!faulted && !pia->signalled) {
if (v6502_breakpointIsInList(breakpoint_list, cpu->pc)) {
pia_stop(pia);
fclose(asmfile);
printf("Hit breakpoint at 0x%02x.\n", cpu->pc);
return;
}
dis6502_printAnnotatedInstruction(asmfile, cpu, cpu->pc, table); dis6502_printAnnotatedInstruction(asmfile, cpu, cpu->pc, table);
v6502_step(cpu); v6502_step(cpu);
v6502_printCpuState(asmfile, cpu); v6502_printCpuState(asmfile, cpu);
@ -80,7 +88,7 @@ int main(int argc, const char * argv[])
printf("Allocating 64k of memory...\n"); printf("Allocating 64k of memory...\n");
cpu->memory = v6502_createMemory(v6502_memoryStartCeiling + 1); cpu->memory = v6502_createMemory(v6502_memoryStartCeiling + 1);
v6502_breakpoint_list *breakpoint_list = v6502_createBreakpointList(); breakpoint_list = v6502_createBreakpointList();
table = as6502_createSymbolTable(); table = as6502_createSymbolTable();
// Load Woz Monitor // Load Woz Monitor