source:
trunk/minix/lib/i86/misc/io_inw.s@
20
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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 bp |
9 | mov bp, sp |
10 | mov dx, 4(bp) ! port |
11 | in dx ! read 1 word |
12 | pop bp |
13 | ret |
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