source:
trunk/minix/lib/i386/misc/io_inw.s@
11
Last change on this file since 11 was 9, checked in by , 14 years ago | |
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File size: 236 bytes |
Rev | Line | |
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[9] | 1 | ! inw() - Input one word Author: Kees J. Bot |
2 | ! 18 Mar 1996 | |
3 | ! unsigned inw(U16_t port); | |
4 | ||
5 | .sect .text | |
6 | .define _inw | |
7 | _inw: | |
8 | push ebp | |
9 | mov ebp, esp | |
10 | mov edx, 8(ebp) ! port | |
11 | xor eax, eax | |
12 | o16 in dx ! read 1 word | |
13 | pop ebp | |
14 | ret |
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