fix controller bug? more information about electrical configuration of $4016/$4017 is needed. this is not a good commit.

2012-11-28 21:34:29 +00:00 · 2012-11-28 21:34:29 +00:00 · 32a1ac645e
parent 2803190666
commit 32a1ac645e
1 changed files with 2 additions and 1 deletions
--- a/BizHawk.Emulation/Consoles/Nintendo/NES/NES.cs
+++ b/BizHawk.Emulation/Consoles/Nintendo/NES/NES.cs
@ -291,7 +291,8 @@ namespace BizHawk.Emulation.Consoles.Nintendo
 			{
 				int ret = value & 1;
 				if(!peek) value >>= 1;
-				return (byte)(ret | nes.DB);
+				// more information is needed
+				return (byte)(ret | (nes.DB & 0xe0));
 			}
 			public override void Update()
 			{