GBA BIOS: Fix HuffUnComp boundary conditions

CHANGES

@@ -58,6 +58,7 @@ Bugfixes:
  - GBA BIOS: Fix BIOS prefetch after returning from an IRQ
  - GBA BIOS: Fix BIOS prefetch after reset
  - GBA Memory: Fix alignment of open bus 8- and 16-bit loads
+ - GBA BIOS: Fix HuffUnComp boundary conditions
 Misc:
  - Qt: Disable sync to video by default
  - GBA: Exit cleanly on FATAL if the port supports it

src/gba/gba-bios.c

@@ -397,8 +397,6 @@ static void _unHuffman(struct GBA* gba) {
 		GBALog(gba, GBA_LOG_STUB, "Unimplemented unaligned Huffman");
 		return;
 	}
-	int padding = (4 - remaining) & 0x3;
-	remaining &= 0xFFFFFFFC;
 	// We assume the signature byte (0x20) is correct
 	int treesize = (cpu->memory.load8(cpu, source + 4, 0) << 1) + 1;
 	int block = 0;
@@ -449,9 +447,6 @@ static void _unHuffman(struct GBA* gba) {
 		}
 
 	}
-	if (padding) {
-		cpu->memory.store32(cpu, dest, block, 0);
-	}
 	cpu->gprs[0] = source;
 	cpu->gprs[1] = dest;
 }