hw_md.h

#ifndef _HW_MD_H
#define _HW_MD_H

#define SEGA_CTRL_BUTTONS   0x0FFF
#define SEGA_CTRL_UP        0x0001
#define SEGA_CTRL_DOWN      0x0002
#define SEGA_CTRL_LEFT      0x0004
#define SEGA_CTRL_RIGHT     0x0008
#define SEGA_CTRL_B         0x0010
#define SEGA_CTRL_C         0x0020
#define SEGA_CTRL_A         0x0040
#define SEGA_CTRL_START     0x0080
#define SEGA_CTRL_Z         0x0100
#define SEGA_CTRL_Y         0x0200
#define SEGA_CTRL_X         0x0400
#define SEGA_CTRL_MODE      0x0800

#define SEGA_CTRL_TYPE      0xF000
#define SEGA_CTRL_THREE     0x0000
#define SEGA_CTRL_SIX       0x1000
#define SEGA_CTRL_NONE      0xF000

#ifdef __cplusplus
extern "C" {
#endif

extern short set_sr(short new_sr);
extern short get_pad(short pad);
extern void clear_screen(void);
extern void put_str(char *str, int color, int x, int y);
extern void put_chr(char chr, int color, int x, int y);
extern void delay(int count);

extern void write_byte(unsigned int dst, unsigned char val);
extern void write_word(unsigned int dst, unsigned short val);
extern void write_long(unsigned int dst, unsigned int val);
extern unsigned char read_byte(unsigned int src);
extern unsigned short read_word(unsigned int src);
extern unsigned int read_long(unsigned int src);

#ifdef __cplusplus
}
#endif

#endif