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Only use lowerpart of CX when dealing with cdrom drives.(Fixes Genesia)

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Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@2925
This commit is contained in:
Peter Veenstra 2007-07-20 18:22:28 +00:00
parent 6403c0e6ed
commit f25f371575
1 changed files with 3 additions and 1 deletions
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4
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 1.49 2007-07-19 18:58:39 c2woody Exp $ */
/* $Id: dos_mscdex.cpp,v 1.50 2007-07-20 18:22:28 qbix79 Exp $ */
#include <string.h>
#include <ctype.h>
@ -190,12 +190,14 @@ void CMscdex::GetDrives(PhysPt data)
bool CMscdex::IsValidDrive(Bit16u _drive)
{
_drive &= 0xff; //Only lowerpart (Ultimate domain)
for (Bit16u i=0; i<GetNumDrives(); i++) if (dinfo[i].drive==_drive) return true;
return false;
};
Bit8u CMscdex::GetSubUnit(Bit16u _drive)
{
_drive &= 0xff; //Only lowerpart (Ultimate domain)
for (Bit16u i=0; i<GetNumDrives(); i++) if (dinfo[i].drive==_drive) return (Bit8u)i;
return 0xff;
};