source: trunk/minix/lib/i86/em/em_lar2.s@ 10

Last change on this file since 10 was 9, checked in by Mattia Monga, 14 years ago

Minix 3.1.2a

File size: 448 bytes
RevLine 
[9]1.define .lar2
2.text
3
4.lar2:
5 ! bx, descriptor address
6 ! ax, index
7 pop cx
8 pop dx ! base address
9 push cx
10 push si
11 mov si,dx
12 sub ax,(bx)
13 mov cx,4(bx)
14 imul cx
15 add si,ax
16 sar cx,#1
17 jnb 1f
18 xorb ah,ah
19 lodsb
20 pop si
21 pop bx
22 push ax
23 jmp (bx)
241:
25 pop dx ! saved si
26 mov ax,4(bx)
27 pop bx ! return address
28 sub sp,ax
29 mov ax,di ! save di
30 mov di,sp
31 rep
32 mov
33 mov di,ax
34 mov si,dx
35 jmp (bx)
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