M CHANGES → CHANGES

@@ -8,6 +8,7 @@ - GBA Video: Fix _mix for 15-bit color
  - Qt: Fix font size in memory viewer
  - Qt: Fix a crash in the memory viewer
  - Libretro: Fix problems with rumble not turning off
+ - GBA BIOS: Fix CpuSet on 0x01XXXXXX addresses
 Misc:
  - GBA Audio: Implement missing flags on SOUNDCNT_X register
 

M src/gba/bios.c → src/gba/bios.c

@@ -220,7 +220,7 @@ cpu->gprs[0] = atan2f(cpu->gprs[1] / 16384.f, cpu->gprs[0] / 16384.f) / (2 * M_PI) * 0x10000;
 		break;
 	case 0xB:
 	case 0xC:
-		if (cpu->gprs[0] >> BASE_OFFSET == REGION_BIOS) {
+		if (cpu->gprs[0] >> BASE_OFFSET < REGION_WORKING_RAM) {
 			GBALog(gba, GBA_LOG_GAME_ERROR, "Cannot CpuSet from BIOS");
 			return;
 		}