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improve support for 2 images booters. (only pressing enter instead of having to swap disks). Fix verify disk. Makes Triva games boot

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Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@2296
This commit is contained in:
Peter Veenstra 2005-09-01 17:34:39 +00:00
parent 97510138d4
commit 121b29e6f1
1 changed files with 14 additions and 3 deletions
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17
src/ints/bios_disk.cpp
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@ -16,7 +16,7 @@
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
/* $Id: bios_disk.cpp,v 1.20 2005-08-28 09:48:42 c2woody Exp $ */
/* $Id: bios_disk.cpp,v 1.21 2005-09-01 17:34:39 qbix79 Exp $ */
#include "dosbox.h"
#include "callback.h"
@ -197,7 +197,17 @@ imageDisk::imageDisk(FILE *imgFile, Bit8u *imgName, Bit32u imgSizeK, bool isHard
}
if(!founddisk) {
active = false;
} else mem_writeb(BIOS_CONFIGURATION,mem_readb(BIOS_CONFIGURATION)|1);
} else {
Bit16u equipment=mem_readw(BIOS_CONFIGURATION);
if(equipment&1) {
Bitu numofdisks = (equipment>>5)&3;
numofdisks++;
if(numofdisks > 1) numofdisks=1;//max 2 floppies at the moment
equipment&=~0x00C0;
equipment|=(numofdisks<<5);
} else equipment|=1;
mem_writew(BIOS_CONFIGURATION,equipment);
}
}
}
@ -374,8 +384,9 @@ static Bitu INT13_DiskHandler(void) {
}
}*/
reg_ah = 0x00;
//Qbix: The following codes don't match my specs. al should be number of sector verified
//reg_al = 0x10; /* CRC verify failed */
reg_al = 0x00; /* CRC verify succeeded */
//reg_al = 0x00; /* CRC verify succeeded */
CALLBACK_SCF(false);
break;