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Change "get current position" to HSG. Fixes a few broken cdrom games

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Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@2219
This commit is contained in:
Peter Veenstra 2005-06-16 18:28:36 +00:00
parent f6cdebf40d
commit 6e2a8288d0
1 changed files with 9 additions and 5 deletions
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14
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 1.28 2005-03-25 09:14:48 qbix79 Exp $ */
/* $Id: dos_mscdex.cpp,v 1.29 2005-06-16 18:28:36 qbix79 Exp $ */
#include <string.h>
#include <ctype.h>
@ -630,8 +630,8 @@ bool CMscdex::GetDirectoryEntry(Bit16u drive, bool copyFlag, PhysPt pathname, Ph
return true;
}
// directory wechseln
dirEntrySector = mem_readd(defBuffer+index+2);
dirSize = mem_readd(defBuffer+index+10);
dirEntrySector = mem_readd(defBuffer+index+2);
dirSize = mem_readd(defBuffer+index+10);
} else {
// continue search in next sector
dirSize -= 2048;
@ -765,11 +765,15 @@ static Bitu MSCDEX_Interrupt_Handler(void)
case 0x01 :{/* Get current position */
TMSF pos;
mscdex->GetCurrentPos(subUnit,pos);
mem_writeb(buffer+1,0x01); // Red book
/*mem_writeb(buffer+1,0x01); // Red book
mem_writeb(buffer+2,pos.fr);
mem_writeb(buffer+3,pos.sec);
mem_writeb(buffer+4,pos.min);
mem_writeb(buffer+5,0x00);
mem_writeb(buffer+5,0x00);*/
//Changed to HSG as default
//(Seems to fix a few broken games which don't test for it)
mem_writeb(buffer+1,0x00); //HSG
mem_writed(buffer+2,MSF_TO_FRAMES (pos.min, pos.sec, pos.fr));
}break;
case 0x06 : /* Get Device status */
mem_writed(buffer+1,mscdex->GetDeviceStatus(subUnit));