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TempleOSTS_130707.ISO

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Terry A. Davis authored and minexew committed 2018-09-08 21:45:45 +02:00
1 parent 17b71f1a2d
commit 1343005a29
617 files changed
+14399 -25130
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TempleOS/Kernel/Misc1a.CPP
+19 -28
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@@ -186,38 +186,29 @@ U0 Sleep(I64 mS)
SleepUntil(sys_jiffies+mS*JIFFY_FREQ/1000);
}
U0 Snd(F64 freq,I64 waveform=WF_SQUARE,F64 amp=1.0)
// The internal PC speaker only does square waves.
// waveform and amp are for HDAudio.
// Use $LK,"SndFilePlay","MN:SndFilePlay"$() or $LK-A,"::/TempleOS/Demo/Snd/PolyPhonic.CPP"$ as a template for
// doing polyphonic or fancy HD Audio snd.
U0 Snd(F64 freq)
{
I64 p;
if (!Bt(&sys_semas[SYS_SEMA_MUTE],0) && snd_vol &&
!LBts(&sys_semas[SYS_SEMA_SND],0)) {
if (!IsInDbg && snd_dev!=SD_PC_SPEAKER) {
CSndData *d;
if (!Bt(&sys_semas[SYS_SEMA_MUTE],0) &&
!LBts(&sys_semas[SYS_SEMA_SND],0)) {
if (freq!=snd_freq) {
snd_freq=freq;
if (fp_snd) {
if (0<freq<=20000 && amp>0)
(*fp_snd)(freq,waveform,amp);
else
(*fp_snd)(0,waveform,0);
}
} else {
if (freq!=snd_freq) {
snd_freq=freq;
if (0<freq<=20000 && amp>0) {
p=SYS_TIMER_FREQ/freq;
OutU8(0x43,0xB6);
OutU8(0x42,p);
OutU8(0x42,p.u8[1]);
OutU8(0x61,3|InU8(0x61));
} else
OutU8(0x61,InU8(0x61)&~3);
}
if (0<freq<=20000) {
p=SYS_TIMER_FREQ/freq;
OutU8(0x43,0xB6);
OutU8(0x42,p);
OutU8(0x42,p.u8[1]);
OutU8(0x61,3|InU8(0x61));
} else
OutU8(0x61,InU8(0x61)&~3);
}
if (!IsInDbg && snd_record) {
d=ACAlloc(sizeof(CSndData));
d->freq=freq;
d->time_stamp=tT;
QueIns(d,snd_record_root.last);
}
if (!IsInDbg && snd_record && fp_snd_record)
(*fp_snd_record)(freq,waveform,amp);
LBtr(&sys_semas[SYS_SEMA_SND],0);
}
}