M CHANGES → CHANGES

@@ -8,6 +8,7 @@ - GBA Video: Start on the scanline BIOS finishes on if no BIOS is loaded
  - GBA: Deinit savegame when unloading a ROM
  - GBA: Fix BIOS check on big endian
  - Libretro: Fix a memory leak with the render buffer
+ - GBA Audio: Fix 8-bit writes to audio channel 3 and 4 registers
 Misc:
  - Qt: Window size command line options are now supported
  - Qt: Increase usability of key mapper

M src/gba/io.c → src/gba/io.c

@@ -328,7 +328,7 @@ value &= 0x00E0;
 			break;
 		case REG_SOUND3CNT_HI:
 			GBAAudioWriteSOUND3CNT_HI(&gba->audio, value);
-			value &= 0xE000;
+			value &= 0xE03F;
 			break;
 		case REG_SOUND3CNT_X:
 			GBAAudioWriteSOUND3CNT_X(&gba->audio, value);
@@ -337,7 +337,7 @@ value &= 0x47FF;
 			break;
 		case REG_SOUND4CNT_LO:
 			GBAAudioWriteSOUND4CNT_LO(&gba->audio, value);
-			value &= 0xFF00;
+			value &= 0xFF3F;
 			break;
 		case REG_SOUND4CNT_HI:
 			GBAAudioWriteSOUND4CNT_HI(&gba->audio, value);