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Added the NCR 53c815 and 53c820, and made sure the 53c810 and the 53c820 do not have the BIOS option as real ones do not have a BIOS BAR, while the 53c815 and 53c825 do (they are basically 53c810 and 53c820, respectively, with own BIOS support);

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Roughly implemented the SCSI IDENTIFY message LUN operation, fixes some SCSI controller drivers in some situations;
Added an undocumented CMD640 IDE controller register required by Linux and by a DOS driver.
This commit is contained in:
OBattler
2021-03-23 06:32:18 +01:00
parent cc3129dc3c
commit bd792b8e7a
18 changed files with 107 additions and 54 deletions
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4
src/disk/mo.c
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@@ -1160,7 +1160,7 @@ mo_pre_execution_check(mo_t *dev, uint8_t *cdb)
int ready = 0;
if (dev->drv->bus_type == MO_BUS_SCSI) {
if ((cdb[0] != GPCMD_REQUEST_SENSE) && (cdb[1] & 0xe0)) {
if ((cdb[0] != GPCMD_REQUEST_SENSE) && (dev->cur_lun == SCSI_LUN_USE_CDB) && (cdb[1] & 0xe0)) {
mo_log("MO %i: Attempting to execute a unknown command targeted at SCSI LUN %i\n", dev->id, ((dev->request_length >> 5) & 7));
mo_invalid_lun(dev);
return 0;
@@ -1260,6 +1260,7 @@ mo_reset(scsi_common_t *sc)
dev->request_length = 0xEB14;
dev->packet_status = PHASE_NONE;
dev->unit_attention = 0;
dev->cur_lun = SCSI_LUN_USE_CDB;
}
@@ -2121,6 +2122,7 @@ mo_drive_reset(int c)
dev = (mo_t *) mo_drives[c].priv;
dev->id = c;
dev->cur_lun = SCSI_LUN_USE_CDB;
if (mo_drives[c].bus_type == MO_BUS_SCSI) {
/* SCSI MO, attach to the SCSI bus. */