source:
trunk/minix/lib/i86/em/em_cmi4.s@
20
Last change on this file since 20 was 9, checked in by , 14 years ago | |
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File size: 285 bytes |
Line | |
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1 | .define .cmi4 |
2 | |
3 | .text |
4 | .cmi4: |
5 | pop bx ! return address |
6 | pop cx |
7 | pop dx |
8 | pop ax |
9 | push si |
10 | mov si,sp |
11 | xchg bx,2(si) |
12 | pop si |
13 | cmp bx,dx |
14 | jg 1f |
15 | jl 2f |
16 | cmp ax,cx |
17 | ja 1f |
18 | je 3f |
19 | 2: |
20 | mov ax,#-1 |
21 | ret |
22 | 3: |
23 | xor ax,ax |
24 | ret |
25 | 1: |
26 | mov ax,#1 |
27 | ret |
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