| Line | |
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| 1 | .sect .text; .sect .rom; .sect .data; .sect .bss
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| 2 | .define .csb4
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| 3 |
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| 4 | .sect .text
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| 5 | .csb4:
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| 6 | !bx: descriptor address
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| 7 | !ax, dx: index
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| 8 | push (bx) ! default
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| 9 | mov cx,2(bx) ! count (ignore high order word, the descriptor
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| 10 | ! would not fit anyway)
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| 11 | 1:
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| 12 | add bx,#6
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| 13 | dec cx
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| 14 | jl 4f
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| 15 | cmp ax,(bx)
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| 16 | jne 1b
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| 17 | cmp dx,2(bx)
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| 18 | jne 1b
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| 19 | pop bx
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| 20 | mov bx,4(bx)
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| 21 | 2:
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| 22 | test bx,bx
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| 23 | jnz 3f
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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 | 3:
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| 30 | jmp (bx)
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| 31 | 4:
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| 32 | pop bx
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| 33 | jmp 2b
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