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redesign main emu loop to use timestamps instead of being a trainwreck

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* cleaner code
* faster in some cases
* more accurate (on-demand compensation for timers and GPU)
* less prone to desyncs
* overall betterer
This commit is contained in:
StapleButter
2019-01-05 05:28:58 +01:00
parent 90f2c0834e
commit 669247e8c8
14 changed files with 360 additions and 412 deletions
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4
src/NDSCart.cpp
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@ -1266,7 +1266,7 @@ void WriteROMCnt(u32 val)
if (datasize == 0)
NDS::ScheduleEvent(NDS::Event_ROMTransfer, false, xfercycle*cmddelay, ROMEndTransfer, 0);
else
NDS::ScheduleEvent(NDS::Event_ROMTransfer, true, xfercycle*(cmddelay+4), ROMPrepareData, 0);
NDS::ScheduleEvent(NDS::Event_ROMTransfer, false, xfercycle*(cmddelay+4), ROMPrepareData, 0);
}
u32 ReadROMData()
@ -1281,7 +1281,7 @@ u32 ReadROMData()
u32 delay = 4;
if (!(DataOutPos & 0x1FF)) delay += ((ROMCnt >> 16) & 0x3F);
NDS::ScheduleEvent(NDS::Event_ROMTransfer, true, xfercycle*delay, ROMPrepareData, 0);
NDS::ScheduleEvent(NDS::Event_ROMTransfer, false, xfercycle*delay, ROMPrepareData, 0);
}
else
ROMEndTransfer(0);