18 lines
610 B
Text
18 lines
610 B
Text
;Assemble with: tasm, tlink /t
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;assume direction bit is clear (so si increments)
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.model tiny
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.code
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org 100h
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start: mov si, offset msg ;point to message
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jmp pr20
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pr10: mov ah, 0 ;write character to printer
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mov dx, 0 ;LPT1
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int 17h
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pr20: lodsb ;al, ds:[si++]
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cmp al, 0 ;terminator?
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jne pr10 ;loop if not
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ret ;return to OS
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msg db "Hello World!", 0ch, 0 ;0ch = form feed (for laser printer)
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end start
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