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winedos: Implement INT2F/AX=1501 (get drive device list).

This commit is contained in:
Petr Tesarik 2006-04-11 19:35:17 +02:00 committed by Alexandre Julliard
parent 3700913803
commit 31b0a4edf6
1 changed files with 21 additions and 0 deletions
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21
dlls/winedos/int2f.c
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@ -972,6 +972,27 @@ static void MSCDEX_Handler(CONTEXT86* context)
SET_CX( context, (drive < 26) ? drive : 0 );
break;
case 0x01: /* get drive device list */
{
CDROM_HEAP* cdrom_heap = CDROM_GetHeap();
CDROM_DEVICE_HEADER* dev = &cdrom_heap->hdr;
SEGPTR ptr_dev = ISV86(context)
? MAKESEGPTR( cdrom_heap->cdrom_segment,
FIELD_OFFSET(CDROM_HEAP, hdr) )
: MAKESEGPTR( cdrom_heap->cdrom_selector,
FIELD_OFFSET(CDROM_HEAP, hdr) );
p = CTX_SEG_OFF_TO_LIN(context, context->SegEs, context->Ebx);
for (drive = 0; drive < dev->units; drive++) {
*p = drive; /* subunit */
++p;
*(DWORD*)p = ptr_dev;
p += sizeof(DWORD);
}
TRACE("Get drive device list\n");
}
break;
case 0x0B: /* drive check */
SET_AX( context, is_cdrom(CX_reg(context)) );
SET_BX( context, 0xADAD );