nes: mapper 028: fix 32k modes (they don't behave like MMC1). of cour…

…se, there are still no mapper028 games or carts at all
TASEmulators · Nov 6, 2012 · c217768 · c217768
1 parent ca8832e
commit c217768
Showing 1 changed file with 6 additions and 6 deletions.
diff --git a/BizHawk.Emulation/Consoles/Nintendo/NES/Boards/Mapper028.cs b/BizHawk.Emulation/Consoles/Nintendo/NES/Boards/Mapper028.cs
@@ -61,18 +61,18 @@ void Sync()
 					break;
 				case 0x10:
 				case 0x14:
-					prglo = outb & ~2 | prg & 2;
-					prghi = outb & ~2 | prg & 2 | 1;
+					prglo = outb & ~2 | prg << 1 & 2;
+					prghi = outb & ~2 | prg << 1 & 2 | 1;
 					break;
 				case 0x20:
 				case 0x24:
-					prglo = outb & ~6 | prg & 6;
-					prghi = outb & ~6 | prg & 6 | 1;
+					prglo = outb & ~6 | prg << 1 & 6;
+					prghi = outb & ~6 | prg << 1 & 6 | 1;
 					break;
 				case 0x30:
 				case 0x34:
-					prglo = outb & ~14 | prg & 14;
-					prghi = outb & ~14 | prg & 14 | 1;
+					prglo = outb & ~14 | prg << 1 & 14;
+					prghi = outb & ~14 | prg << 1 & 14 | 1;
 					break;
 				// bottom fixed modes
 				case 0x08: