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CPU testing

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This commit is contained in:
Samuel Walker
2025-01-31 17:07:09 -07:00
parent 9a6dc67c3e
commit 5206c3871e
11 changed files with 212 additions and 14 deletions
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11
lib/cpu.c
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@ -3,6 +3,7 @@
#include <common.h>
#include <emu.h>
#include <interrupts.h>
#include <dbg.h>
cpu_context ctx = {0};
@ -39,11 +40,19 @@ bool cpu_step() {
ctx.regs.f & (1 << 5) ? 'H' : '-',
ctx.regs.f & (1 << 4) ? 'C' : '-'
);
printf("%08lX - %04X: %-7s (%02X %02X %02X) A: %02X F: %s BC: %02X%02X DE: %02X%02X HL: %02X%02X SP: %04X PC: %04X\n", emu_get_context()->ticks, pc, inst_name(ctx.cur_inst->type), ctx.cur_opcode, bus_read(pc+1), bus_read(pc+2), ctx.regs.a, flags, ctx.regs.b, ctx.regs.c, ctx.regs.d, ctx.regs.e, ctx.regs.h, ctx.regs.l, ctx.regs.sp, ctx.regs.pc);
char inst[16];
inst_to_str(&ctx, inst);
printf("%08lX - %04X: %-12s (%02X %02X %02X) A: %02X F: %s BC: %02X%02X DE: %02X%02X HL: %02X%02X SP: %04X PC: %04X\n", emu_get_context()->ticks, pc, inst, ctx.cur_opcode, bus_read(pc+1), bus_read(pc+2), ctx.regs.a, flags, ctx.regs.b, ctx.regs.c, ctx.regs.d, ctx.regs.e, ctx.regs.h, ctx.regs.l, ctx.regs.sp, ctx.regs.pc);
if(ctx.cur_inst == NULL){
printf("Unknown Instruction! %02X\n", ctx.cur_opcode);
exit(-7);
}
dbg_update();
dbg_print();
execute();
} else {
//is halted