panzone/sm-vita
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Fix various bug*.sav bugs and add some code to track down #1

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Snesrev
2023-03-11 00:00:28 +01:00
parent a1521f9688
commit 622c15ca7b
9 changed files with 72 additions and 64 deletions
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15
src/snes/cpu.c
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@@ -727,8 +727,8 @@ uint32_t pc_hist[8], pc_hist_ctr;
uint32_t pc_bp = 0;
static void cpu_doOpcode(Cpu* cpu, uint8_t opcode) {
// pc_hist[pc_hist_ctr] = cpu->k << 16 | cpu->pc;
// pc_hist_ctr = (pc_hist_ctr + 1) & 7;
pc_hist[pc_hist_ctr] = cpu->k << 16 | cpu->pc;
pc_hist_ctr = (pc_hist_ctr + 1) & 7;
if (((cpu->k << 16) | cpu->pc - 1) == pc_bp) {
opcode += 0;
}
@@ -747,6 +747,7 @@ restart:
cpu->k = cpu_pullByte(cpu);
break;
case 0xe5:
case 0xe9:
case 0xed: cpu->c = 1; goto restart;
case 0x65:
case 0x6d:
@@ -1336,7 +1337,15 @@ restart:
}
case 0x5c: { // jml abl
uint16_t value = cpu_readOpcodeWord(cpu);
cpu->k = cpu_readOpcode(cpu);
uint8_t new_k = cpu_readOpcode(cpu);
if (new_k == 0x80 && value == 0x8573) {
printf("Current PC = 0x%x\n", cpu->k << 16 | cpu->pc);
for (int i = 0; i < 8; i++) {
printf("PC history: 0x%x\n", pc_hist[(pc_hist_ctr + i) & 7]);
}
Die("The game has crashed!\n");
}
cpu->k = new_k;
cpu->pc = value;
break;
}