valter/dosbox-staging
1
0
Fork 0
Code Releases Activity

change int13-reset for old bios versions (Wizardry booter)

Browse source 
Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@2422
This commit is contained in:
Sebastian Strohhäcker 2005-12-26 20:28:08 +00:00
parent c1fd235522
commit a8f1afe1c2
1 changed files with 13 additions and 4 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

17
src/ints/bios_disk.cpp
View file

@ -16,7 +16,7 @@
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
/* $Id: bios_disk.cpp,v 1.24 2005-11-04 21:22:06 c2woody Exp $ */
/* $Id: bios_disk.cpp,v 1.25 2005-12-26 20:28:08 c2woody Exp $ */
#include "dosbox.h"
#include "callback.h"
@ -285,7 +285,6 @@ static Bitu INT13_DiskHandler(void) {
Bit16u segat, bufptr;
Bit8u sectbuf[512];
Bitu drivenum;
Bits readcnt;
int i,t;
last_drive = reg_dl;
drivenum = GetDosDriveNumber(reg_dl);
@ -302,7 +301,17 @@ static Bitu INT13_DiskHandler(void) {
* always succeed on reset disk. If there are diskimages then and only then
* do real checks
*/
if(any_images && driveInactive(drivenum)) return CBRET_NONE;
if (any_images && driveInactive(drivenum)) {
/* driveInactive sets carry flag if the specified drive is not available */
if ((machine==MCH_CGA) || (machine==MCH_PCJR)) {
/* those bioses call floppy drive reset for invalid drive values */
if (((imageDiskList[0]) && (imageDiskList[0]->active)) || ((imageDiskList[1]) && (imageDiskList[1]->active))) {
last_status = 0x00;
CALLBACK_SCF(false);
}
}
return CBRET_NONE;
}
last_status = 0x00;
CALLBACK_SCF(false);
}
@ -346,7 +355,7 @@ static Bitu INT13_DiskHandler(void) {
}
}
reg_ah = 0x00;
CALLBACK_SCF(false);
CALLBACK_SCF(false);
break;
case 0x3: /* Write sectors */