8086 programming using TASM: pc to pc communication

Posted by Komal on Stack Overflow See other posts from Stack Overflow or by Komal
Published on 2010-05-04T15:40:11Z Indexed on 2010/05/04 15:48 UTC
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tasm

.model small
.stack 100
.data
.code

mov ah,00h
mov al,0e3h
mov dx,00h
int 14h

back: nop

l1: mov ah,03h
    mov dx,00h
    int 14h

    and ah,01h
    cmp ah,01h
    jne l1

    mov ah,02h
    mov dx,00h
    int 21h

mov dl,al
mov ah,02h
int 21h

jmb back
mov ah,4ch
int 21h

end

this a pc to pc commnication receiver program.i would like to know why have we used the mov dx,00h function and what is the meaning of mov al,0e3h this ?

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8086 programming using TASM: pc to pc communication - Developer IT

8086 programming using TASM: pc to pc communication

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