cfenollosa_os-tutorial/23-fixes/cpu/ports.h

#ifndef PORTS_H
#define PORTS_H

#include <stdint.h>

unsigned char port_byte_in (uint16_t port);
void port_byte_out (uint16_t port, uint8_t data);
unsigned short port_word_in (uint16_t port);
void port_word_out (uint16_t port, uint16_t data);

#endif
lesson 23, initial commit 2015-08-17 16:41:38 +00:00			`#ifndef PORTS_H`
			`#define PORTS_H`

lesson 23, step 3 2015-08-18 08:31:28 +00:00			`#include <stdint.h>`
lesson 23, initial commit 2015-08-17 16:41:38 +00:00
lesson 23, step 3 2015-08-18 08:31:28 +00:00			`unsigned char port_byte_in (uint16_t port);`
			`void port_byte_out (uint16_t port, uint8_t data);`
			`unsigned short port_word_in (uint16_t port);`
			`void port_word_out (uint16_t port, uint16_t data);`
lesson 23, initial commit 2015-08-17 16:41:38 +00:00
			`#endif`