static Bitu INT74_Handler(void) {
if (mouse.events>0) {
mouse.events--;
/* Check for an active Interrupt Handler that will get called */
if (mouse.sub_mask & mouse.event_queue[mouse.events].type) {
reg_ax=mouse.event_queue[mouse.events].type;
reg_bx=mouse.event_queue[mouse.events].buttons;
reg_cx=POS_X;
reg_dx=POS_Y;
reg_si=(Bit16s)(mouse.mickey_x*mouse.mickeysPerPixel_x);
reg_di=(Bit16s)(mouse.mickey_y*mouse.mickeysPerPixel_y);
CPU_Push16(RealSeg(CALLBACK_RealPointer(int74_ret_callback)));
CPU_Push16(RealOff(CALLBACK_RealPointer(int74_ret_callback)));
SegSet16(cs, mouse.sub_seg);
reg_ip = mouse.sub_ofs;
if(mouse.in_UIR) LOG(LOG_MOUSE,LOG_ERROR)("Already in UIR!");
mouse.in_UIR = true;
} else if (useps2callback) {
CPU_Push16(RealSeg(CALLBACK_RealPointer(int74_ret_callback)));
CPU_Push16(RealOff(CALLBACK_RealPointer(int74_ret_callback)));
DoPS2Callback(mouse.event_queue[mouse.events].buttons, POS_X, POS_Y);
} else {
SegSet16(cs, RealSeg(CALLBACK_RealPointer(int74_ret_callback)));
reg_ip = RealOff(CALLBACK_RealPointer(int74_ret_callback));
}
} else {
SegSet16(cs, RealSeg(CALLBACK_RealPointer(int74_ret_callback)));
reg_ip = RealOff(CALLBACK_RealPointer(int74_ret_callback));
}
return CBRET_NONE;
}
static Bitu INT74_Handler(void) {
if (mouse.events>0) {
mouse.events--;
/* Check for an active Interrupt Handler that will get called */
if (mouse.sub_mask & mouse.event_queue[mouse.events].type) {
/* Save lot's of registers */
Bit32u oldeax,oldebx,oldecx,oldedx,oldesi,oldedi,oldebp,oldesp;
Bit16u oldds,oldes,oldss;
oldeax=reg_eax;oldebx=reg_ebx;oldecx=reg_ecx;oldedx=reg_edx;
oldesi=reg_esi;oldedi=reg_edi;oldebp=reg_ebp;oldesp=reg_esp;
oldds=SegValue(ds); oldes=SegValue(es); oldss=SegValue(ss); // Save segments
reg_ax=mouse.event_queue[mouse.events].type;
reg_bx=mouse.event_queue[mouse.events].buttons;
reg_cx=POS_X;
reg_dx=POS_Y;
reg_si=(Bit16s)(mouse.mickey_x*mouse.mickeysPerPixel_x);
reg_di=(Bit16s)(mouse.mickey_y*mouse.mickeysPerPixel_y);
// Hmm... this look ok, but moonbase wont work with it
/*if (mouse.event_queue[mouse.events].type==MOUSE_MOVED) {
mouse.mickey_x=0;
mouse.mickey_y=0;
}*/
CALLBACK_RunRealFar(mouse.sub_seg,mouse.sub_ofs);
reg_eax=oldeax;reg_ebx=oldebx;reg_ecx=oldecx;reg_edx=oldedx;
reg_esi=oldesi;reg_edi=oldedi;reg_ebp=oldebp;reg_esp=oldesp;
SegSet16(ds,oldds); SegSet16(es,oldes); SegSet16(ss,oldss); // Save segments
}
DoPS2Callback(mouse.event_queue[mouse.events].buttons, POS_X, POS_Y);
}
IO_Write(0xa0,0x20);
IO_Write(0x20,0x20);
/* Check for more Events if so reactivate IRQ */
if (mouse.events) {
PIC_ActivateIRQ(MOUSE_IRQ);
}
return CBRET_NONE;
}
