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UbixOS / Dump / hybos / lib / x86 / inportb.c
@cwolsen cwolsen on 31 Oct 2018 321 bytes Big Dump
/*****************************************************************************
*****************************************************************************/
unsigned inportb(unsigned short port)
{
	unsigned char ret_val;

	__asm__ __volatile__("inb %1,%0"
		: "=a"(ret_val)
		: "d"(port));
	return ret_val;
}