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fix int15 returnflags for unimplemented functions

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Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@2688
This commit is contained in:
Sebastian Strohhäcker 2006-08-18 18:23:02 +00:00
parent 181f65ee5f
commit af59fbc915
1 changed files with 10 additions and 6 deletions
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16
src/ints/bios.cpp
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@ -16,7 +16,7 @@
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
/* $Id: bios.cpp,v 1.62 2006-07-24 19:06:55 c2woody Exp $ */
/* $Id: bios.cpp,v 1.63 2006-08-18 18:23:02 c2woody Exp $ */
#include "dosbox.h"
#include "mem.h"
@ -707,10 +707,6 @@ static Bitu INT15_Handler(void) {
CALLBACK_SCF(false);
reg_ah=0;
break;
case 0xc3: /* set carry flag so BorlandRTM doesn't assume a VECTRA/PS2 */
reg_ah=0x86;
CALLBACK_SCF(true);
break;
case 0xc2: /* BIOS PS2 Pointing Device Support */
switch (reg_al) {
case 0x00: // enable/disable
@ -769,6 +765,10 @@ static Bitu INT15_Handler(void) {
break;
}
break;
case 0xc3: /* set carry flag so BorlandRTM doesn't assume a VECTRA/PS2 */
reg_ah=0x86;
CALLBACK_SCF(true);
break;
case 0xc4: /* BIOS POS Programm option Select */
LOG(LOG_BIOS,LOG_NORMAL)("INT15:Function %X called, bios mouse not supported",reg_ah);
CALLBACK_SCF(true);
@ -776,7 +776,11 @@ static Bitu INT15_Handler(void) {
default:
LOG(LOG_BIOS,LOG_ERROR)("INT15:Unknown call %4X",reg_ax);
reg_ah=0x86;
CALLBACK_SCF(false);
CALLBACK_SCF(true);
if ((machine==MCH_VGA) || (machine==MCH_CGA)) {
/* relict from comparisons, as int15 exits with a retf2 instead of an iret */
CALLBACK_SZF(false);
}
}
return CBRET_NONE;
}