@@ -0,0 +1,14 @@
#ifndef _BOOT_H
#define _BOOT_H
#include <stdint.h>
#define PIO_A_DATA 0x40
#define PIO_A_CTRL 0x42
void io_out(uint8_t addr, uint8_t data);
uint8_t io_in(uint8_t addr);
void delay_ms(uint16_t ms);
#endif
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