#ifndef PROC_H
#define PROC_H

#include "stack.h"
#include "mmu.h"
#include "../common/opcode.h"
#include "../common/types.h"

typedef struct proc_t {
	integral_t status;
	integral_t intHandler;
	integral_t subscribed;
	integral_t lastAddress;
	mmu_t mmu;
	stack_t stack;
	proc_object_t registers[256];
	void* opaque;
} proc_t;

#include "decoder.h"
#include "executer.h"

//proc status
#define PROC_STATUS_running 1
#define PROC_STATUS_interrupt 2
#define PROC_STATUS_interrupted 4
#define PROC_STATUS_aborted 8

//proc error interrupts
#define INTERRUPT_illegal_read 1
#define INTERRUPT_illegal_jump 2
#define INTERRUPT_illegal_ext 3
#define INTERRUPT_illegal_instruction 4
#define INTERRUPT_illegal_write 5
#define INTERRUPT_illegal_arg 6
#define INTERRUPT_unknown 7

//proc hardware interrupts
#define INTERRUPT_hw_keydown 1
#define INTERRUPT_hw_keyup 2
#define INTERRUPT_hw_keyrepeat 3
#define INTERRUPT_hw_timer 4

//proc interrupt masks
#define INTERRUPT_user_mask 0x80000000
#define INTERRUPT_hw_mask 0x40000000

//proc hw interrupt subscriptions
#define PROC_SUBSCRIPTION_keyboard 0x00000001
#define PROC_SUBSCRIPTION_timer 0x00000002

void Proc_execute(proc_t *proc, int maxCycles);
void Proc_interrupt(proc_t *proc, integral_t code, integral_t data);
void initProc(proc_t *proc);

#endif