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FDC commands 8d and cd appear to be synonyms for "format track" (officially

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documented as 0d and 4d). Fixes formatting on AMI BIOSes.
This commit is contained in:
SarahW 2021-05-20 22:03:28 +01:00
commit 0d46e719eb
1 changed files with 2 additions and 2 deletions
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4
src/fdc.c
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@ -482,7 +482,7 @@ void fdc_write(uint16_t addr, uint8_t val, void *priv)
fdc.stat=0x90;
fdc.pos=0;
break;
case 0x0d: case 0x4d: /*Format track*/
case 0x0d: case 0x4d: case 0x8d: case 0xcd: /*Format track*/
fdc.pnum=0;
fdc.ptot=5;
fdc.stat=0x90;
@ -640,7 +640,7 @@ bad_command:
timer_set_delay_u64(&fdc.timer, time);
break;
case 0x0d: case 0x4d: /*Format*/
case 0x0d: case 0x4d: case 0x8d: case 0xcd: /*Format*/
fdc_rate(fdc.drive);
fdc.head = (fdc.params[0] & 4) ? 1 : 0;
fdc.format_state = 1;