#pragma once #include namespace IO { inline byte in8(word port) { byte value; asm volatile("inb %1, %0":"=a"(value):"Nd"(port)); return value; } inline word in16(word port) { word value; asm volatile("inw %1, %0":"=a"(value):"Nd"(port)); return value; } inline dword in32(word port) { dword value; asm volatile("inl %1, %0":"=a"(value):"Nd"(port)); return value; } inline void out8(word port, byte value) { asm volatile("outb %0, %1"::"a"(value), "Nd"(port)); } inline void out16(word port, word value) { asm volatile("outw %0, %1"::"a"(value), "Nd"(port)); } inline void out32(word port, dword value) { asm volatile("outl %0, %1"::"a"(value), "Nd"(port)); } }