minix/lib/libc/arch/i386/misc/io_inw.S
2010-03-03 14:27:30 +00:00

14 lines
252 B
ArmAsm

/* inw() - Input one word Author: Kees J. Bot */
/* 18 Mar 1996 */
/* unsigned inw(U16_t port); */
.text
.globl _inw
_inw:
push %ebp
movl %esp, %ebp
movl 8(%ebp), %edx /* port */
xorl %eax, %eax
inw %dx /* read 1 word */
pop %ebp
ret