source: trunk/minix/lib/i86/misc/io_insw.s@ 9

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

Minix 3.1.2a

File size: 347 bytes
Line 
1! insw() - Input a word array Author: Kees J. Bot
2! 18 Mar 1996
3! void insw(U16_t port, void *buf, size_t count);
4
5.sect .text
6.define _insw
7_insw:
8 push bp
9 mov bp, sp
10 cld
11 push di
12 mov dx, 4(bp) ! port
13 mov di, 6(bp) ! buf
14 mov cx, 8(bp) ! byte count
15 shr cx, #1 ! word count
16 rep ins ! input many words
17 pop di
18 pop bp
19 ret
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