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'FIFO full' hack for SM64DS.

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This commit is contained in:
StapleButter
2017-02-17 19:34:41 +01:00
parent 97d76addd9
commit 261689d3d1
4 changed files with 15 additions and 10 deletions
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19
GPU3D.cpp
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@ -841,8 +841,6 @@ void SubmitVertex()
int logflag = 0;
void CmdFIFOWrite(CmdFIFOEntry& entry)
{
if (CmdFIFO->IsEmpty() && !CmdPIPE->IsFull())
@ -853,10 +851,17 @@ void CmdFIFOWrite(CmdFIFOEntry& entry)
{
if (CmdFIFO->IsFull())
{
if (!logflag) printf("!!! GX FIFO FULL\n");
logflag = 1;
//NDS::debug(0);
return;
//printf("!!! GX FIFO FULL\n");
//return;
// temp. hack
// SM64DS seems to overflow the FIFO occasionally
// either leftover bugs in our implementation, or the game accidentally doing that
// TODO: investigate.
// TODO: implement this behavior properly (freezes the bus until the FIFO isn't full anymore)
while (CmdFIFO->IsFull())
ExecuteCommand();
}
CmdFIFO->Write(entry);
@ -878,8 +883,6 @@ CmdFIFOEntry CmdFIFORead()
CheckFIFOIRQ();
}
logflag = 0;
return ret;
}