#ifndef MELVIX_IO_H #define MELVIX_IO_H #include uint8_t receive_b(uint16_t port); uint16_t receive_w(uint16_t port); uint32_t receive_l(uint16_t port); void send_b(uint16_t port, uint8_t data); void send_w(uint16_t port, uint16_t data); void send_l(uint16_t port, uint32_t data); #endif