#ifndef PIC_H #define PIC_H #include static inline void outb(uint16_t port, uint8_t value) { asm volatile("outb %0, %1" : : "a"(value), "Nd"(port)); } static inline uint8_t inb(uint16_t port) { uint8_t ret; asm volatile("inb %1, %0" : "=a"(ret) : "Nd"(port)); return ret; } #endif