


#ifndef __HW_H__
#define __HW_H__


#include "defs.h"


#define PAD_RIGHT  0x01
#define PAD_LEFT   0x02
#define PAD_UP     0x04
#define PAD_DOWN   0x08
#define PAD_A      0x10
#define PAD_B      0x20
#define PAD_SELECT 0x40
#define PAD_START  0x80

#define IF_VBLANK 0x01
#define IF_STAT   0x02
#define IF_TIMER  0x04
#define IF_SERIAL 0x08
#define IF_PAD    0x10

struct hw
{
    byte ilines;
    byte pad;
    int hdma;
    int cgb;
};


extern struct hw hw;

void hw_interrupt(byte i, byte mask) ICODE_ATTR;
void hw_dma(byte b) ICODE_ATTR;
void hw_hdma_cmd(byte c) ICODE_ATTR;
void hw_hdma(void) ICODE_ATTR;
void pad_refresh(void) ICODE_ATTR;
void pad_set(byte k, int st) ICODE_ATTR;
void hw_reset(void);

#endif
