Mapper 60 - a more respectable bit logic implementation in ReadPRG

2012-07-17 23:58:53 +00:00 · 2012-07-17 23:58:53 +00:00 · ea60a2c9f8
parent 2174e9938f
commit ea60a2c9f8
1 changed files with 1 additions and 4 deletions
--- a/BizHawk.Emulation/Consoles/Nintendo/NES/Boards/Mapper60.cs
+++ b/BizHawk.Emulation/Consoles/Nintendo/NES/Boards/Mapper60.cs
@ -63,10 +63,7 @@ namespace BizHawk.Emulation.Consoles.Nintendo

 		public override byte ReadPRG(int addr)
 		{
-			if (addr >= 0x4000)
-			{
-				addr -= 0x4000;
-			}
+			addr &= 0x3FFF;
 			return ROM[addr + (reg * 0x4000)];
 		}