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

14 lines
251 B
ArmAsm

! outb() - Output one byte Author: Kees J. Bot
! 18 Mar 1996
! void outb(U16_t port, U8_t value);
.sect .text
.define _outb
_outb:
push bp
mov bp, sp
mov dx, 4(bp) ! port
mov ax, 4+2(bp) ! value
outb dx ! output 1 byte
pop bp
ret