interrupt

cpu.c

/* Interrupt functions */
/* TODO: Interrupt hijacking */
void interrupt_IRQ() {
	CLEAR_FLAG(FLAG_B);
	cpu.PC++;
	pushw(cpu.PC);
	pushb(cpu.S);
	SET_FLAG(FLAG_I);
	cpu.PC = Memory_ReadWord(0xFFFE);
}

void interrupt_NMI() {
	CLEAR_FLAG(FLAG_B);
	cpu.PC++;
	pushw(cpu.PC);
	pushb(cpu.S);
	SET_FLAG(FLAG_I);
	cpu.PC = Memory_ReadWord(0xFFFA);
}

void interrupt_RESET(){
	cpu.PC = Memory_ReadWord(0xFFFC);
	cpu.SP;
	cpu.S |= 0x24;
}