@@ -0,0 +1,18 @@
#ifndef IO_H
#define IO_H
#include "ram.h"
#include <stdint.h>
#define IO_SIZE (1 * 1024) // 1KiB
#define IO_BASE (RAM_SIZE) // 55KiB RAM
#define SCREEN_ADDRESS 0
#define KEYBOARD_ADDRESS 1
int putChar(uint8_t c);
int getChar(void);
#endif // IO_H
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