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Rewrote the disc sector poller again for simplified code and more accuracy;

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Floppy formats are now accurately timed and also more accurately implemented;
Applied all mainline PCem commits.
This commit is contained in:
OBattler
2016-08-20 03:40:12 +02:00
parent 24a6ab13fb
commit a924f37f43
51 changed files with 2471 additions and 1302 deletions
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25
src/fdc.c
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@@ -101,6 +101,23 @@ void fdc_reset()
int ins;
void fdc_request_next_sector_id()
{
if (fdc.pcjr || !fdc.dma)
{
fdc.stat = 0xf0;
}
else
{
fdc.stat = 0xd0;
}
}
void fdc_stop_id_request()
{
fdc.stat &= 0x7f;
}
int fdc_get_gap()
{
return fdc.gap;
@@ -1070,6 +1087,7 @@ void fdc_callback()
disctime = 128 * (1 << TIMER_SHIFT);
timer_update_outstanding();
}
#if 0
else if (fdc.format_state == 2)
{
temp = fdc_getdata(fdc.pos == ((fdc.params[2] * 4) - 1));
@@ -1088,10 +1106,15 @@ void fdc_callback()
timer_update_outstanding();
}
else if (fdc.format_state == 3)
#endif
else if (fdc.format_state == 2)
{
// pclog("Format next stage track %i head %i\n", fdc.track[fdc.drive], fdc.head);
pclog("Format next stage track %i head %i\n", fdc.track[fdc.drive], fdc.head);
disc_format(fdc.drive, fdc.track[fdc.drive], fdc.head, fdc.rate, fdc.params[4]);
#if 0
fdc.format_state = 4;
#endif
fdc.format_state = 3;
}
else
{