Explain what the given code does step by step

ORG $0100H$

MOV CX$,04$H

D:

PUSH CX

D$1$:

MOV AH$,0$EH

MOV AL$,\text{'}\backslash \text{'}$

INT $10H$

LOOP D$1$

MOV AH$,0$EH

MOV AL$,\text{'}/\text{'}$

INT $10H$

MOV CX$,03$H

D$2$:

MOV AL$,0$AH

INT $10$H

LOOP D$2$

POP CX

LOOP D

RET