Assembly Program Of Print Two Or More Strings

printstring macro msg;
mov ah, 09h;
mov dx, offset msg;
int 21h;
endm;

data segment;
cr equ 0dh;
lf equ 0ah;
msg1 db 'Hello Guys',cf,lf,'$'
msg2 db 'My Name is Harsh', cr,lf,'$'
data ends;

code segment;
assume cs:code,ds:data;

start: 
        mov ax,data;
        mov ds,ax;
        printstring msg1;
        printstring msg2;

        mov ah,4ch;
        mov al,00h;
        int 21h;
code ends
end start