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Add a 1 cycle delay to ENABL (including delayed mode) -> fixes Super Challenge Football.

This commit is contained in:
Christian Speckner 2016-12-18 14:38:31 +01:00
parent afcaf8581f
commit b700149cde
1 changed files with 16 additions and 5 deletions
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21
src/emucore/tia/TIA.cxx
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@ -41,17 +41,20 @@ enum Delay: uInt8 {
pf = 2,
grp = 1,
shufflePlayer = 1,
shuffleBall = 1,
hmp = 2,
hmm = 2,
hmbl = 2,
hmclr = 2,
refp = 1,
enabl = 1,
vblank = 1
};
enum DummyRegisters: uInt8 {
shuffleP0 = 0xF0,
shuffleP1 = 0xF1
shuffleP1 = 0xF1,
shuffleBL = 0xF2
};
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
@ -504,10 +507,9 @@ bool TIA::poke(uInt16 address, uInt8 value)
case GRP1:
{
myLinesSinceChange = 0;
myDelayQueue.push(GRP1, value, Delay::grp);
myDelayQueue.push(DummyRegisters::shuffleP0, 0, Delay::shufflePlayer);
myBall.shuffleStatus();
myDelayQueue.push(DummyRegisters::shuffleBL, 0, Delay::shuffleBall);
#ifdef DEBUGGER_SUPPORT
uInt16 dataAddr = mySystem->m6502().lastDataAddressForPoke();
if(dataAddr)
@ -553,8 +555,7 @@ bool TIA::poke(uInt16 address, uInt8 value)
break;
case ENABL:
myLinesSinceChange = 0;
myBall.enabl(value);
myDelayQueue.push(ENABL, value, Delay::enabl);
break;
case RESBL:
@ -1166,6 +1167,11 @@ void TIA::delayedWrite(uInt8 address, uInt8 value)
myPlayer1.shufflePatterns();
break;
case DummyRegisters::shuffleBL:
myLinesSinceChange = 0;
myBall.shuffleStatus();
break;
case HMP0:
myLinesSinceChange = 0;
myPlayer0.hmp(value);
@ -1190,6 +1196,11 @@ void TIA::delayedWrite(uInt8 address, uInt8 value)
myLinesSinceChange = 0;
myPlayer1.refp(value);
break;
case ENABL:
myLinesSinceChange = 0;
myBall.enabl(value);
break;
}
}