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Jason Aller Floppy Collection
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TASM.ZIP
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HELLOPRN.ASM
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Assembly Source File
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1988-10-31
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691b
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18 lines
DOSSEG
.MODEL SMALL
.STACK 100h
.DATA
HelloMessage DB 'Hello, world',13,10,12
HELLO_MESSAGE_LENGTH EQU $ - HelloMessage
.CODE
mov ax,@data
mov ds,ax ;set DS to point to the data segment
mov ah,40h ;DOS write to device function #
mov bx,4 ;printer handle
mov cx,HELLO_MESSAGE_LENGTH ;number of characters to print
mov dx,OFFSET HelloMessage ;string to print
int 21h ;print "Hello, world"
mov ah,4ch ;DOS terminate program function #
int 21h ;terminate the program
END