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- msg db 'This is a test message'
- msg_len equ $-msg
- .
- .
- .
- mov dx,seg msg ; DS:DX = address of message
- mov ds,dx
- mov dx,offset msg
- mov cx,msg_len ; CX = length of message
- mov bx,4 ; BX = handle for standard printer
- mov ah,40h ; function 40H = write file/device
- int 21h ; transfer to MS-DOS
- jc error ; jump if write operation failed
-