source:
trunk/minix/lib/i86/misc/io_outsw.s@
12
Last change on this file since 12 was 9, checked in by , 14 years ago | |
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File size: 353 bytes |
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1 | ! outsw() - Output a word array Author: Kees J. Bot |
2 | ! 18 Mar 1996 |
3 | ! void outsw(U16_t port, void *buf, size_t count); |
4 | |
5 | .sect .text |
6 | .define _outsw |
7 | _outsw: |
8 | push bp |
9 | mov bp, sp |
10 | cld |
11 | push si |
12 | mov dx, 4(bp) ! port |
13 | mov si, 6(bp) ! buf |
14 | mov cx, 8(bp) ! byte count |
15 | shr cx, #1 ! word count |
16 | rep outs ! output many words |
17 | pop si |
18 | pop bp |
19 | ret |
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