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[9] | 1 | .sect .text; .sect .rom; .sect .data; .sect .bss
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| 2 | .define .csa4
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| 3 |
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| 4 | .sect .text
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| 5 | .csa4:
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| 6 | ! bx, descriptor address
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| 7 | ! ax, dx: index
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| 8 | mov cx,(bx) ! default
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| 9 | sub ax,2(bx)
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| 10 | ! ignore high order word; if non-zero, the
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| 11 | ! case descriptor would not fit anyway
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| 12 | cmp ax,6(bx)
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| 13 | ja 1f
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| 14 | 2:
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| 15 | sal ax,#1
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| 16 | add bx,ax
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| 17 | mov bx,10(bx)
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| 18 | test bx,bx
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| 19 | jnz 2f
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| 20 | 1:
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| 21 | mov bx,cx
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| 22 | test bx,bx
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| 23 | jnz 2f
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| 24 | ECASE = 20
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| 25 | .extern .fat
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| 26 | mov ax,#ECASE
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| 27 | push ax
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| 28 | jmp .fat
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| 29 | 2:
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| 30 | jmp (bx)
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