vin/emu_nes
1
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

replace tabs with spaces to better match nestest.log

Browse Source
This commit is contained in:
Vineet K 2024-07-20 20:27:55 -04:00
parent ca5a09cd94
commit 70937cd61f
1 changed files with 43 additions and 20 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

63
cpu.c
View File

@ -841,8 +841,8 @@ XAS(uint16_t arg)
static void static void
interpret(void) interpret(void)
{ {
uint8_t op; uint8_t op, spaces;
uint16_t arg, mem, deref; uint16_t arg;
enum addressing_mode mode; enum addressing_mode mode;
for (;;) { for (;;) {
@ -854,16 +854,13 @@ interpret(void)
for (uint8_t i = 0; i < opcodes[op].bytes - 1; i++) for (uint8_t i = 0; i < opcodes[op].bytes - 1; i++)
printf(" %02X", peek(regs.pc + i)); printf(" %02X", peek(regs.pc + i));
if (opcodes[op].unofficial) { if (opcodes[op].bytes == 1)
if (opcodes[op].bytes == 1) printf(" ");
printf(" "); else if (opcodes[op].bytes == 2)
else if (opcodes[op].bytes == 2) printf(" ");
printf(" "); else if (opcodes[op].bytes == 3)
else if (opcodes[op].bytes == 3) putchar(' ');
putchar(' '); putchar((opcodes[op].unofficial) ? '*' : ' ');
putchar('*');
} else
putchar('\t');
printf("%s ", opcodes[op].name); printf("%s ", opcodes[op].name);
mode = opcodes[op].mode; mode = opcodes[op].mode;
@ -896,27 +893,53 @@ interpret(void)
printf("($%04X) = %04X", arg, peek16(arg)); printf("($%04X) = %04X", arg, peek16(arg));
break; break;
case AM_IND_X: case AM_IND_X:
printf("($%02X,X) @ %02X = %04X", peek(regs.pc - 1), peek(regs.pc - 1) + regs.x, arg); printf("($%02X,X) @ %02X = %04X", peek(regs.pc - 1), (peek(regs.pc - 1) + regs.x) & 0xFF, arg);
break; break;
case AM_IND_Y: case AM_IND_Y:
printf("($%02X),Y = %04X @ %04X", peek(regs.pc - 1), (uint16_t)(arg - regs.y), arg); printf("($%02X),Y = %04X @ %04X", peek(regs.pc - 1), (uint16_t)(arg - regs.y), arg);
break; break;
case AM_ACC: case AM_ACC:
case AM_NONE: case AM_NONE:
putchar('\t'); printf(" ");
break;
default:
printf("\t\t\t\t");
break; break;
} }
spaces = 9;
if (opcodes[op].memread || opcodes[op].memwrite) if (opcodes[op].memread || opcodes[op].memwrite)
printf(" = %02X", peek(arg)); printf(" = %02X", peek(arg));
else
spaces += 5;
if (mode != AM_IND && mode != AM_ABS_X && mode != AM_ABS_Y) if (mode != AM_IND && mode != AM_ABS_X && mode != AM_ABS_Y)
putchar('\t'); spaces += 7;
if (mode != AM_IND_X && mode != AM_IND_Y)
printf("\t\t"); switch (opcodes[op].mode) {
case AM_IND_X:
spaces -= 12;
break;
case AM_IND_Y:
spaces -= 14;
break;
case AM_ZP:
spaces += 4;
break;
case AM_ZP_X:
case AM_ZP_Y:
case AM_REL:
case AM_ABS:
spaces += 2;
break;
case AM_IMM:
case AM_ACC:
case AM_NONE:
spaces += 3;
break;
default:
break;
}
while (spaces--) putchar(' ');
printf("A:%02X X:%02X Y:%02X P:%02X SP:%02X CYC:%d\n", printf("A:%02X X:%02X Y:%02X P:%02X SP:%02X CYC:%d\n",
regs.a, regs.x, regs.y, STATUS_TO_INT(), regs.sp, cycles); regs.a, regs.x, regs.y, STATUS_TO_INT(), regs.sp, cycles);