#ifndef IO_H
#define IO_H

#include <stdint.h>

#define IO_SIZE (1 * 1024)  // 1KiB
#define IO_BASE (47 * 1024) // 47KiB RAM, hard coded, 0xBC00

#define SCREEN_ADDRESS 0
#define KEYBOARD_ADDRESS 1
#define ROM_BANKED_OUT 2
#define FILE_COMMAND 3
#define FILE_DESCRIPTOR 4
#define FILE_DATA 5 // data, low byte of string pointer
#define FILE_DATA_HIGH 6 // high byte of string pointer
#define FILE_STATUS 7

#endif // IO_H