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HDD: disable parsing of block descriptors

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Not used by MMC-3 specs
This commit is contained in:
Gyorgy Szombathelyi
2022-08-25 21:57:21 +02:00
parent d46e0daab6
commit 81d017d637
1 changed files with 4 additions and 1 deletions
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5
hdd.c
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@@ -804,6 +804,8 @@ static void PKT_ModeSelect(unsigned char unit, unsigned short bytelimit, char se
}
bytelimit -= sel10 ? 8 : 4;
// parse block descriptor(s)
// disabled, as ATAPI compliance doesn't use block descriptors (MMC-3 B.2.2)
#if 0
while (blen >= 8) {
if (bytelimit < 8) {
cdrom_setsense(SENSEKEY_ILLEGAL_REQUEST, 0x1A, 0);
@@ -816,7 +818,8 @@ static void PKT_ModeSelect(unsigned char unit, unsigned short bytelimit, char se
blen-=8;
bytelimit-=8;
}
#endif
// TODO: parse page descriptors
cdrom_ok();
WriteTaskFile(0, 0x03, 0, 0, 0, 0xa0 | ((unit & 0x01)<<4));
WriteStatus(IDE_STATUS_END | IDE_STATUS_IRQ);