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Back to old timer code, removed timeragain variable

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Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@276
This commit is contained in:
Sjoerd van der Berg 2002-09-16 13:14:13 +00:00
parent 7c7e296cb8
commit 3edbb75c02
1 changed files with 2 additions and 5 deletions
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7
src/hardware/timer.cpp
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@ -58,7 +58,6 @@ static struct TimerBlock {
Bitu ticks;
} timer;
#define PIT_TICK_RATE 1193182
#define PIT_SHIFT 9
#define MAX_PASSED ((PIT_TICK_RATE/4) << PIT_SHIFT) /* Alow 1/4 second of timer build up */
@ -114,7 +113,7 @@ static void write_latch(Bit32u port,Bit8u val) {
LOG_DEBUG("PIT 0 Timer at %.3g Hz mode %d",PIT_TICK_RATE/(double)p->cntr,p->mode);
break;
case 0x02: /* Timer hooked to PC-Speaker */
PCSPEAKER_SetFreq(PIT_TICK_RATE/p->cntr);
PCSPEAKER_SetCounter(p->cntr,p->mode);
break;
default:
LOG_ERROR("PIT:Illegal timer selected for writing");
@ -285,8 +284,6 @@ void TIMER_AddTicks(Bit32u ticks) {
void TIMER_CheckPIT(void) {
if (timer_buildup>timer_ticks) {
timer_buildup-=timer_ticks;
if (timer_buildup>timer_ticks) TimerAgain=true;
else TimerAgain=false;
/* Calculate amount of times the time index was requested */
timer.req[timer.req_index]=timer.req_count;
timer.req_index++;if (timer.req_index>=TIMER_AVERAGE) timer.req_index=0;
@ -296,7 +293,7 @@ void TIMER_CheckPIT(void) {
timer.req_average=1/(total/TIMER_AVERAGE);
PIC_ActivateIRQ(0);
return;
} else TimerAgain=false;
}
}