source:
trunk/minix/lib/i86/misc/io_inw.s@
9
| Last change on this file since 9 was 9, checked in by , 13 years ago | |
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| File size: 209 bytes | |
| Line | |
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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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