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changes for improved timing event system

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Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@1968
This commit is contained in:
Sjoerd van der Berg 2004-09-10 22:15:20 +00:00
parent 5c26302fc2
commit dfbb195418
13 changed files with 103 additions and 116 deletions
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13
src/hardware/gus.cpp
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@ -79,7 +79,7 @@ struct GFGus {
bool raiseirq;
bool masked;
bool running;
Bit32u delay;
float delay;
} timers[2];
Bit32u rate;
Bit16u portbase;
@ -366,8 +366,8 @@ static void GUSReset(void) {
myGUS.timers[0].value = 0xff;
myGUS.timers[1].value = 0xff;
myGUS.timers[0].delay = 80;
myGUS.timers[1].delay = 320;
myGUS.timers[0].delay = 0.080f;
myGUS.timers[1].delay = 0.320f;
myGUS.ChangeIRQDMA = false;
// Stop all channels
int i;
@ -471,7 +471,8 @@ static void GUS_TimerEvent(Bitu val) {
myGUS.IRQStatus|=0x4 << val;
GUS_CheckIRQ();
}
if (myGUS.timers[val].running) PIC_AddEvent(GUS_TimerEvent,myGUS.timers[val].delay,val);
if (myGUS.timers[val].running)
PIC_AddEvent(GUS_TimerEvent,myGUS.timers[val].delay,val);
};
@ -588,11 +589,11 @@ static void ExecuteGlobRegister(void) {
break;
case 0x46: // Timer 1 control
myGUS.timers[0].value = (Bit8u)(myGUS.gRegData>>8);
myGUS.timers[0].delay = (0x100 - myGUS.timers[0].value) * 80;
myGUS.timers[0].delay = (0x100 - myGUS.timers[0].value) * 0.080f;
break;
case 0x47: // Timer 2 control
myGUS.timers[1].value = (Bit8u)(myGUS.gRegData>>8);
myGUS.timers[1].delay = (0x100 - myGUS.timers[1].value) * 320;
myGUS.timers[1].delay = (0x100 - myGUS.timers[1].value) * 0.320f;
break;
case 0x49: // DMA sampling control register
myGUS.SampControl = (Bit8u)(myGUS.gRegData>>8);