Commodore 64: outputs set to read-only on the 6510 IO port are always high

2013-08-09 03:14:11 +00:00 · 2013-08-09 03:14:11 +00:00 · f504a9a4de
parent 3e16802382
commit f504a9a4de
1 changed files with 2 additions and 1 deletions
--- a/BizHawk.Emulation/Computers/Commodore64/MOS/MOS6510.cs
+++ b/BizHawk.Emulation/Computers/Commodore64/MOS/MOS6510.cs
@ -197,7 +197,8 @@ namespace BizHawk.Emulation.Computers.Commodore64.MOS
 		{
 			get
 			{
-				byte result = 0x00;
+				//byte result = 0x00;
+                byte result = (byte)(~portDir & 0xEF);

 				result |= pinLoram ? (byte)0x01 : (byte)0x00;
 				result |= pinHiram ? (byte)0x02 : (byte)0x00;