valter/dosbox-staging
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Added some int15 functions, using new pic events and changed int 1a to use sti callback.

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Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@522
This commit is contained in:
Sjoerd van der Berg 2002-11-17 11:23:51 +00:00
parent 8cd9f4a3a6
commit 002314db89
1 changed files with 8 additions and 5 deletions
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13
src/ints/bios.cpp
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@ -22,7 +22,7 @@
#include "callback.h"
#include "inout.h"
#include "mem.h"
#include "timer.h"
#include "pic.h"
static Bitu call_int1a,call_int11,call_int8,call_int17,call_int12,call_int15,call_int1c;
@ -30,7 +30,6 @@ static Bitu INT1A_Handler(void) {
switch (reg_ah) {
case 0x00: /* Get System time */
{
CALLBACK_Idle();
Bit32u ticks=mem_readd(BIOS_TIMER);
reg_al=0; /* Midnight never passes :) */
reg_cx=(Bit16u)(ticks >> 16);
@ -170,7 +169,7 @@ static Bitu INT15_Handler(void) {
mem_writed(BIOS_WAIT_FLAG_POINTER,RealMake(SegValue(es),reg_bx));
mem_writed(BIOS_WAIT_FLAG_COUNT,reg_cx<<16|reg_dx);
mem_writeb(BIOS_WAIT_FLAG_ACTIVE,1);
TIMER_RegisterDelayHandler(&WaitFlagEvent,reg_cx<<16|reg_dx);
PIC_AddEvent(&WaitFlagEvent,reg_cx<<16|reg_dx);
break;
case 0x84: /* BIOS - JOYSTICK SUPPORT (XT after 11/8/82,AT,XT286,PS) */
//Does anyone even use this?
@ -188,7 +187,11 @@ static Bitu INT15_Handler(void) {
CALLBACK_SCF(false);
break;
case 0x90: /* OS HOOK - DEVICE BUSY */
CALLBACK_SCF(true);
CALLBACK_SCF(false);
reg_ah=0;
break;
case 0x91: /* OS HOOK - DEVICE POST */
CALLBACK_SCF(false);
reg_ah=0;
break;
case 0xc2: /* BIOS PS2 Pointing Device Support */
@ -255,7 +258,7 @@ void BIOS_Init(Section* sec) {
RealSetVec(0x17,CALLBACK_RealPointer(call_int17));
/* INT 1A TIME and some other functions */
call_int1a=CALLBACK_Allocate();
CALLBACK_Setup(call_int1a,&INT1A_Handler,CB_IRET);
CALLBACK_Setup(call_int1a,&INT1A_Handler,CB_IRET_STI);
RealSetVec(0x1A,CALLBACK_RealPointer(call_int1a));
/* INT 1C System Timer tick called from INT 8 */
call_int1c=CALLBACK_Allocate();