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36 lines
401 B
NASM
36 lines
401 B
NASM
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.286
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.model tiny
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.code
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org 100H
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start: ror si,1
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lodsb
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add si,ax
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mov [si],ah
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mov dx,82H
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mov ax,3D00H
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int 21H
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jc rt
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mov cx,40*200
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xchg bx,ax
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push 0A000H
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pop ds
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mov al,13
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int 10H
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mov si,10H
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m10: mov dx,03C4H
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mov al,2
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out dx,al
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xchg si,ax
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shr al,1
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inc dx
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out dx,al
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xchg si,ax
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mov ah,3FH
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cwd
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int 21H
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or ax,ax
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jnz m10
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int 16H
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rt: ret
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end start
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