void PCSPEAKER_SetType(Bitu mode) {
if (!spkr.last_ticks) {
if(spkr.chan) spkr.chan->Enable(true);
spkr.last_index=0;
}
spkr.last_ticks=PIC_Ticks;
float newindex=PIC_TickIndex();
ForwardPIT(newindex);
switch (mode) {
case 0:
spkr.mode=SPKR_OFF;
AddDelayEntry(newindex,-SPKR_VOLUME);
break;
case 1:
spkr.mode=SPKR_PIT_OFF;
AddDelayEntry(newindex,-SPKR_VOLUME);
break;
case 2:
spkr.mode=SPKR_ON;
AddDelayEntry(newindex,SPKR_VOLUME);
break;
case 3:
if (spkr.mode!=SPKR_PIT_ON) {
AddDelayEntry(newindex,spkr.pit_last);
}
spkr.mode=SPKR_PIT_ON;
break;
};
}
static void AddEntry(PICEntry * entry) {
PICEntry * find_entry=pic_queue.next_entry;
if (GCC_UNLIKELY(find_entry ==0)) {
entry->next=0;
pic_queue.next_entry=entry;
} else if (find_entry->index>entry->index) {
pic_queue.next_entry=entry;
entry->next=find_entry;
} else while (find_entry) {
if (find_entry->next) {
/* See if the next index comes later than this one */
if (find_entry->next->index > entry->index) {
entry->next=find_entry->next;
find_entry->next=entry;
break;
} else {
find_entry=find_entry->next;
}
} else {
entry->next=find_entry->next;
find_entry->next=entry;
break;
}
}
Bits cycles=PIC_MakeCycles(pic_queue.next_entry->index-PIC_TickIndex());
if (cycles<CPU_Cycles) {
CPU_CycleLeft+=CPU_Cycles;
CPU_Cycles=0;
}
}
void PCSPEAKER_SetCounter(Bitu cntr,Bitu mode) {
if (!spkr.last_ticks) {
if(spkr.chan) spkr.chan->Enable(true);
spkr.last_index=0;
}
spkr.last_ticks=PIC_Ticks;
float newindex=PIC_TickIndex();
ForwardPIT(newindex);
switch (mode) {
case 0: /* Mode 0 one shot, used with realsound */
if (spkr.mode!=SPKR_PIT_ON) return;
if (cntr>80) {
cntr=80;
}
spkr.pit_last=((float)cntr-40)*(SPKR_VOLUME/40.0f);
AddDelayEntry(newindex,spkr.pit_last);
spkr.pit_index=0;
break;
case 1:
if (spkr.mode!=SPKR_PIT_ON) return;
spkr.pit_last=SPKR_VOLUME;
AddDelayEntry(newindex,spkr.pit_last);
break;
case 2: /* Single cycle low, rest low high generator */
spkr.pit_index=0;
spkr.pit_last=-SPKR_VOLUME;
AddDelayEntry(newindex,spkr.pit_last);
spkr.pit_half=(1000.0f/PIT_TICK_RATE)*1;
spkr.pit_max=(1000.0f/PIT_TICK_RATE)*cntr;
break;
case 3: /* Square wave generator */
if (cntr<spkr.min_tr) {
/* skip frequencies that can't be represented */
spkr.pit_last=0;
spkr.pit_mode=0;
return;
}
spkr.pit_new_max=(1000.0f/PIT_TICK_RATE)*cntr;
spkr.pit_new_half=spkr.pit_new_max/2;
break;
case 4: /* Software triggered strobe */
spkr.pit_last=SPKR_VOLUME;
AddDelayEntry(newindex,spkr.pit_last);
spkr.pit_index=0;
spkr.pit_max=(1000.0f/PIT_TICK_RATE)*cntr;
break;
default:
#if C_DEBUG
LOG_MSG("Unhandled speaker mode %d",mode);
#endif
return;
}
spkr.pit_mode=mode;
}
void PIC_AddEvent(PIC_EventHandler handler,float delay,Bitu val) {
if (GCC_UNLIKELY(!pic_queue.free_entry)) {
LOG(LOG_PIC,LOG_ERROR)("Event queue full");
return;
}
PICEntry * entry=pic_queue.free_entry;
if(InEventService) entry->index = delay + srv_lag;
else entry->index = delay + PIC_TickIndex();
entry->pic_event=handler;
entry->value=val;
pic_queue.free_entry=pic_queue.free_entry->next;
AddEntry(entry);
}
static Bitu cmos_readreg(Bitu port,Bitu iolen) {
if (cmos.reg>0x3f) {
LOG(LOG_BIOS,LOG_ERROR)("CMOS:Read from illegal register %x",cmos.reg);
return 0xff;
}
Bitu drive_a, drive_b;
Bit8u hdparm;
time_t curtime;
struct tm *loctime;
/* Get the current time. */
curtime = time (NULL);
/* Convert it to local time representation. */
loctime = localtime (&curtime);
switch (cmos.reg) {
case 0x00: /* Seconds */
return MAKE_RETURN(loctime->tm_sec);
case 0x02: /* Minutes */
return MAKE_RETURN(loctime->tm_min);
case 0x04: /* Hours */
return MAKE_RETURN(loctime->tm_hour);
case 0x06: /* Day of week */
return MAKE_RETURN(loctime->tm_wday + 1);
case 0x07: /* Date of month */
return MAKE_RETURN(loctime->tm_mday);
case 0x08: /* Month */
return MAKE_RETURN(loctime->tm_mon + 1);
case 0x09: /* Year */
return MAKE_RETURN(loctime->tm_year % 100);
case 0x32: /* Century */
return MAKE_RETURN(loctime->tm_year / 100 + 19);
case 0x01: /* Seconds Alarm */
case 0x03: /* Minutes Alarm */
case 0x05: /* Hours Alarm */
return cmos.regs[cmos.reg];
case 0x0a: /* Status register A */
if (PIC_TickIndex()<0.002) {
return (cmos.regs[0x0a]&0x7f) | 0x80;
} else {
return (cmos.regs[0x0a]&0x7f);
}
case 0x0c: /* Status register C */
if (cmos.timer.enabled) {
/* In periodic interrupt mode only care for those flags */
Bit8u val=cmos.regs[0xc];
cmos.regs[0xc]=0;
return val;
} else {
/* Give correct values at certain times */
Bit8u val=0;
double index=PIC_FullIndex();
if (index>=(cmos.last.timer+cmos.timer.delay)) {
cmos.last.timer=index;
val|=0x40;
}
if (index>=(cmos.last.ended+1000)) {
cmos.last.ended=index;
val|=0x10;
}
return val;
}
case 0x10: /* Floppy size */
drive_a = 0;
drive_b = 0;
if(imageDiskList[0] != NULL) drive_a = imageDiskList[0]->GetBiosType();
if(imageDiskList[1] != NULL) drive_b = imageDiskList[1]->GetBiosType();
return ((drive_a << 4) | (drive_b));
/* First harddrive info */
case 0x12:
hdparm = 0;
if(imageDiskList[2] != NULL) hdparm |= 0xf;
if(imageDiskList[3] != NULL) hdparm |= 0xf0;
return hdparm;
case 0x19:
if(imageDiskList[2] != NULL) return 47; /* User defined type */
return 0;
case 0x1b:
if(imageDiskList[2] != NULL) return (imageDiskList[2]->cylinders & 0xff);
return 0;
case 0x1c:
if(imageDiskList[2] != NULL) return ((imageDiskList[2]->cylinders & 0xff00)>>8);
return 0;
case 0x1d:
if(imageDiskList[2] != NULL) return (imageDiskList[2]->heads);
return 0;
case 0x1e:
if(imageDiskList[2] != NULL) return 0xff;
return 0;
case 0x1f:
if(imageDiskList[2] != NULL) return 0xff;
return 0;
case 0x20:
if(imageDiskList[2] != NULL) return (0xc0 | (((imageDiskList[2]->heads) > 8) << 3));
return 0;
case 0x21:
if(imageDiskList[2] != NULL) return (imageDiskList[2]->cylinders & 0xff);
return 0;
case 0x22:
if(imageDiskList[2] != NULL) return ((imageDiskList[2]->cylinders & 0xff00)>>8);
return 0;
case 0x23:
if(imageDiskList[2] != NULL) return (imageDiskList[2]->sectors);
return 0;
/* Second harddrive info */
case 0x1a:
if(imageDiskList[3] != NULL) return 47; /* User defined type */
return 0;
case 0x24:
if(imageDiskList[3] != NULL) return (imageDiskList[3]->cylinders & 0xff);
return 0;
case 0x25:
if(imageDiskList[3] != NULL) return ((imageDiskList[3]->cylinders & 0xff00)>>8);
return 0;
case 0x26:
if(imageDiskList[3] != NULL) return (imageDiskList[3]->heads);
return 0;
case 0x27:
if(imageDiskList[3] != NULL) return 0xff;
return 0;
case 0x28:
if(imageDiskList[3] != NULL) return 0xff;
return 0;
case 0x29:
if(imageDiskList[3] != NULL) return (0xc0 | (((imageDiskList[3]->heads) > 8) << 3));
return 0;
case 0x2a:
if(imageDiskList[3] != NULL) return (imageDiskList[3]->cylinders & 0xff);
return 0;
case 0x2b:
if(imageDiskList[3] != NULL) return ((imageDiskList[3]->cylinders & 0xff00)>>8);
return 0;
case 0x2c:
if(imageDiskList[3] != NULL) return (imageDiskList[3]->sectors);
return 0;
case 0x39:
return 0;
case 0x3a:
return 0;
case 0x0b: /* Status register B */
case 0x0d: /* Status register D */
case 0x0f: /* Shutdown status byte */
case 0x14: /* Equipment */
case 0x15: /* Base Memory KB Low Byte */
case 0x16: /* Base Memory KB High Byte */
case 0x17: /* Extended memory in KB Low Byte */
case 0x18: /* Extended memory in KB High Byte */
case 0x30: /* Extended memory in KB Low Byte */
case 0x31: /* Extended memory in KB High Byte */
// LOG(LOG_BIOS,LOG_NORMAL)("CMOS:Read from reg %X : %04X",cmos.reg,cmos.regs[cmos.reg]);
return cmos.regs[cmos.reg];
default:
LOG(LOG_BIOS,LOG_NORMAL)("CMOS:Read from reg %X",cmos.reg);
return cmos.regs[cmos.reg];
}
}