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Add cancel "Set event wait interval."

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Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@2633
This commit is contained in:
Peter Veenstra 2006-05-22 15:46:13 +00:00
parent fc4c24f231
commit 346d4332ab
1 changed files with 9 additions and 3 deletions
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12
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 1.58 2006-04-22 15:25:45 c2woody Exp $ */
/* $Id: bios.cpp,v 1.59 2006-05-22 15:46:13 qbix79 Exp $ */
#include "dosbox.h"
#include "mem.h"
@ -599,7 +599,13 @@ 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(reg_al == 0x01) { /* Cancel it */
mem_writeb(BIOS_WAIT_FLAG_ACTIVE,0);
IO_Write(0x70,0xb);
IO_Write(0x71,IO_Read(0x71)&~0x40);
CALLBACK_SCF(false);
break;
}
if (mem_readb(BIOS_WAIT_FLAG_ACTIVE)) {
reg_ah=0x80;
CALLBACK_SCF(true);
@ -861,7 +867,7 @@ public:
callback[6].Set_RealVec(0x1A);
/* INT 1C System Timer tick called from INT 8 */
callback[7].Install(&INT1C_Handler,CB_IRET,"Int 1c Timer tick");
callback[7].Install(&INT1C_Handler,CB_IRET,"Int 1c Timer");
callback[7].Set_RealVec(0x1C);
/* IRQ 8 RTC Handler */