source:
trunk/minix/lib/i86/misc/io_outsw.s@
11
| Last change on this file since 11 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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