bool Mouse_SetPS2State(bool use) {
if (use && (!ps2callbackinit)) {
useps2callback = false;
PIC_SetIRQMask(MOUSE_IRQ,true);
return false;
}
useps2callback = use;
Mouse_AutoLock(useps2callback);
PIC_SetIRQMask(MOUSE_IRQ,!useps2callback);
return true;
}
PIC_8259A(Section* configuration):Module_base(configuration){
/* Setup pic0 and pic1 with initial values like DOS has normally */
PIC_IRQCheck=0;
PIC_Ticks=0;
Bitu i;
for (i=0;i<2;i++) {
pics[i].auto_eoi=false;
pics[i].rotate_on_auto_eoi=false;
pics[i].request_issr=false;
pics[i].special=false;
pics[i].single=false;
pics[i].icw_index=0;
pics[i].icw_words=0;
pics[i].irr = pics[i].isr = pics[i].imrr = 0;
pics[i].isrr = pics[i].imr = 0xff;
pics[i].active_irq = 8;
}
master.vector_base = 0x08;
slave.vector_base = 0x70;
PIC_SetIRQMask(0,false); /* Enable system timer */
PIC_SetIRQMask(1,false); /* Enable system timer */
PIC_SetIRQMask(2,false); /* Enable second pic */
PIC_SetIRQMask(8,false); /* Enable RTC IRQ */
if (machine==MCH_PCJR) {
/* Enable IRQ6 (replacement for the NMI for PCJr) */
PIC_SetIRQMask(6,false);
}
ReadHandler[0].Install(0x20,read_command,IO_MB);
ReadHandler[1].Install(0x21,read_data,IO_MB);
WriteHandler[0].Install(0x20,write_command,IO_MB);
WriteHandler[1].Install(0x21,write_data,IO_MB);
ReadHandler[2].Install(0xa0,read_command,IO_MB);
ReadHandler[3].Install(0xa1,read_data,IO_MB);
WriteHandler[2].Install(0xa0,write_command,IO_MB);
WriteHandler[3].Install(0xa1,write_data,IO_MB);
/* Initialize the pic queue */
for (i=0;i<PIC_QUEUESIZE-1;i++) {
pic_queue.entries[i].next=&pic_queue.entries[i+1];
}
pic_queue.entries[PIC_QUEUESIZE-1].next=0;
pic_queue.free_entry=&pic_queue.entries[0];
pic_queue.next_entry=0;
}
static void Mouse_ResetHardware(void){
PIC_SetIRQMask(MOUSE_IRQ,false);
}
static void mouse_reset_hardware(void){
PIC_SetIRQMask(MOUSE_IRQ,false);
};
