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Fixed bug with countervalue being signed

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Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@1601
This commit is contained in:
Peter Veenstra 2004-01-26 14:08:16 +00:00
parent 8b68de7de2
commit 5c86964c65
1 changed files with 3 additions and 2 deletions
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5
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 1.27 2004-01-10 14:03:35 qbix79 Exp $ */
/* $Id: bios.cpp,v 1.28 2004-01-26 14:08:16 qbix79 Exp $ */
#include <time.h>
#include "dosbox.h"
@ -39,7 +39,7 @@ static Bitu INT70_Handler(void) {
IO_Write(0x70,0xc);
IO_Read(0x71);
if (mem_readb(BIOS_WAIT_FLAG_ACTIVE)) {
Bits count=mem_readd(BIOS_WAIT_FLAG_COUNT);
Bit32u count=mem_readd(BIOS_WAIT_FLAG_COUNT);
if (count>997) {
mem_writed(BIOS_WAIT_FLAG_COUNT,count-997);
} else {
@ -204,6 +204,7 @@ static Bitu INT15_Handler(void) {
break;
case 0x83: /* BIOS - SET EVENT WAIT INTERVAL */
{
if(reg_al == 0x01) LOG(LOG_BIOS,LOG_WARN)("Bios set event interval cancelled: not handled");
if (mem_readb(BIOS_WAIT_FLAG_ACTIVE)) {
reg_ah=0x80;
CALLBACK_SCF(true);