minix/lib/i86/misc/io_inw.s
2009-11-09 10:26:00 +00:00

13 lines
209 B
ArmAsm

! inw() - Input one word Author: Kees J. Bot
! 18 Mar 1996
! unsigned inw(U16_t port);
.sect .text
.define _inw
_inw:
push bp
mov bp, sp
mov dx, 4(bp) ! port
in dx ! read 1 word
pop bp
ret