M CHANGES → CHANGES

@@ -40,6 +40,7 @@ - GB Audio: Fix serialization of channel 3 and NR52 properties
  - GB: Properly initialize sramRealVf variable
  - Qt: Fix Apply button for key and controller configurations
  - GB Video: Initialize LCDC in renderer
+ - GBA I/O: Mask off WAITCNT bits that cannot be written
 Misc:
  - SDL: Remove scancode key input
  - GBA Video: Clean up unused timers

M src/gba/io.c → src/gba/io.c

@@ -535,6 +535,7 @@ break;
 
 		// Interrupts and misc
 		case REG_WAITCNT:
+			value &= 0x5FFF;
 			GBAAdjustWaitstates(gba, value);
 			break;
 		case REG_IE: