REVERSE -> ESREVER

;THANKS TO MY PROFESSOR FOR THE PROBLEM
.model tiny
.code
org 100h

begin: jmp start
msg1 db "REVERSE",0ah,"$"
msg2 db 8 dup(20h),"$";8 is the number of characters including the space

start proc
lea si,msg1[7];7 is the number of characters
lea di,msg2[0]
mov cx,8;8 is the number of characters including the space

prog: mov al,[si]
mov [di],al
dec si
inc di
dec cx
jnz prog

mov ah,09h
lea dx,msg1
int 21h

mov ah,09h
lea dx,msg2
int 21h

mov ah,07h
int 21h

mov ax,4c00h
int 21h

start endp
end begin