source: trunk/minix/lib/i386/misc/io_outb.s@ 11

Last change on this file since 11 was 9, checked in by Mattia Monga, 14 years ago

Minix 3.1.2a

File size: 259 bytes
Line 
1! outb() - Output one byte Author: Kees J. Bot
2! 18 Mar 1996
3! void outb(U16_t port, U8_t value);
4
5.sect .text
6.define _outb
7_outb:
8 push ebp
9 mov ebp, esp
10 mov edx, 8(ebp) ! port
11 mov eax, 8+4(ebp) ! value
12 outb dx ! output 1 byte
13 pop ebp
14 ret
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