cpu: fix DEC C to decrement the correct register

Now the CPU runs to the end of the boot ROM
2018-06-17 10:50:36 -07:00
parent 0a3340f4fc
commit c1f972c448
1 changed files with 1 additions and 1 deletions
--- a/src/gbemu/cpu.c
+++ b/src/gbemu/cpu.c
@@ -372,7 +372,7 @@ void lr35902_cycle(struct lr35902_state *cpu)
 		INC_8(cpu, cpu->c);
 		break;
 	case 0x0d: /* DEC C */
-		DEC_8(cpu, cpu->d);
+		DEC_8(cpu, cpu->c);
 		break;
 	case 0x0e: /* LD C, d8 */
 		LD_D8(cpu, cpu->c);