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Add the CDROM device in the device chain.

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Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@2609
This commit is contained in:
Peter Veenstra 2006-04-21 08:35:31 +00:00
parent 632f579361
commit 4d33692c6f
1 changed files with 15 additions and 1 deletions
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16
src/dos/dos_mscdex.cpp
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@ -16,7 +16,7 @@
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
/* $Id: dos_mscdex.cpp,v 1.41 2006-04-17 20:06:39 c2woody Exp $ */
/* $Id: dos_mscdex.cpp,v 1.42 2006-04-21 08:35:31 qbix79 Exp $ */
#include <string.h>
#include <ctype.h>
@ -208,10 +208,22 @@ int CMscdex::AddDrive(Bit16u _drive, char* physicalPath, Bit8u& subUnit)
Bit16u seg = DOS_GetMemory(driverSize/16+((driverSize%16)>0));
DOS_DeviceHeader devHeader(PhysMake(seg,0));
devHeader.SetNextDeviceHeader (0xFFFFFFFF);
devHeader.SetAttribute(0xc800);
devHeader.SetDriveLetter (_drive+1);
devHeader.SetNumSubUnits (1);
devHeader.SetName ("MSCD001 ");
//Link it in the device chain
Bit32u start = dos_infoblock.GetDeviceChain();
Bit16u segm = start>>16;
Bit16u offm = start&0xFFFF;
while(start != 0xFFFFFFFF) {
segm = start>>16;
offm = start&0xFFFF;
start = real_readd(segm,offm);
}
real_writed(segm,offm,seg<<16);
// Create Callback Strategy
Bit16u off = sizeof(DOS_DeviceHeader::sDeviceHeader);
Bitu call_strategy=CALLBACK_Allocate();
@ -888,6 +900,8 @@ static Bit16u MSCDEX_IOCTL_Optput(PhysPt buffer,Bit8u drive_unit) {
case 0x00 : // Unload /eject media
if (!mscdex->LoadUnloadMedia(drive_unit,true)) return 0x02;
break;
case 0x03: //Audio Channel control
MSCDEX_LOG("MSCDEX: Audio Channel Control used. Not handled. Faking succes!");
case 0x01 : // (un)Lock door
// do nothing -> report as success
break;