source:
trunk/minix/lib/i386/misc/io_insw.s@
11
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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 ebp |
9 | mov ebp, esp |
10 | cld |
11 | push edi |
12 | mov edx, 8(ebp) ! port |
13 | mov edi, 12(ebp) ! buf |
14 | mov ecx, 16(ebp) ! byte count |
15 | shr ecx, 1 ! word count |
16 | rep o16 ins ! input many words |
17 | pop edi |
18 | pop ebp |
19 | ret |
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