minix/lib/i386/misc/io_inb.s
2009-11-09 10:26:00 +00:00

14 lines
230 B
ArmAsm

! inb() - Input one byte Author: Kees J. Bot
! 18 Mar 1996
! unsigned inb(U16_t port);
.sect .text
.define _inb
_inb:
push ebp
mov ebp, esp
mov edx, 8(ebp) ! port
xor eax, eax
inb dx ! read 1 byte
pop ebp
ret