C64: Optimize the RNG for 1541 flux transitions. (same output)

2019-07-06 16:32:21 -05:00 · 2019-07-06 16:32:21 -05:00 · d36e02045b
parent 3bf37f1c17
commit d36e02045b
1 changed files with 1 additions and 1 deletions
--- a/BizHawk.Emulation.Cores/Computers/Commodore64/Serial/Drive1541.FluxTransitions.cs
+++ b/BizHawk.Emulation.Cores/Computers/Commodore64/Serial/Drive1541.FluxTransitions.cs
@ -33,7 +33,7 @@ namespace BizHawk.Emulation.Cores.Computers.Commodore64.Serial
 				_rngCurrent = 1;
 			}

-			_rngCurrent = (int)(_rngCurrent * LEHMER_RNG_PRIME % int.MaxValue);
+			_rngCurrent = unchecked((int) ((_rngCurrent * LEHMER_RNG_PRIME) & int.MaxValue));
 		}

        private void ExecuteFlux()