M CHANGES → CHANGES

@@ -22,6 +22,7 @@ - GB Video: Fix some cases where SGB border doesn't draw to mutli-buffers
  - GBA: Reject incorrectly sized BIOSes
  - Qt: Fix OpenGL 2.1 support (fixes mgba.io/i/1678)
 Misc:
+ - GBA Serialize: Only flunk BIOS check if official BIOS was expected
  - Qt: Disable Replace ROM option when no game loaded
  - Qt: Defer texture updates until frame is drawn (fixes mgba.io/i/1590)
  - Qt: Set icon for Discord Rich Presence

M src/gba/serialize.c → src/gba/serialize.c

@@ -6,6 +6,7 @@ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 #include <mgba/internal/gba/serialize.h>
 
 #include <mgba/internal/arm/macros.h>
+#include <mgba/internal/gba/bios.h>
 #include <mgba/internal/gba/io.h>
 #include <mgba/internal/gba/rr/rr.h>
 
@@ -99,7 +100,7 @@ if (ucheck != gba->biosChecksum) {
 		mLOG(GBA_STATE, WARN, "Savestate created using a different version of the BIOS: expected %08X, got %08X", gba->biosChecksum, ucheck);
 		uint32_t pc;
 		LOAD_32(pc, ARM_PC * sizeof(state->cpu.gprs[0]), state->cpu.gprs);
-		if (pc < SIZE_BIOS && pc >= 0x20) {
+		if ((ucheck == GBA_BIOS_CHECKSUM || gba->biosChecksum == GBA_BIOS_CHECKSUM) && pc < SIZE_BIOS && pc >= 0x20) {
 			error = true;
 		}
 	}