.MODEL SMALL
.STACK 100H
.CODE
MAIN PROC
CALL P1
MOV DL,51
MOV AH,2
INT 21H
MOV AH,4CH
INT 21H
MAIN ENDP
P1 PROC
CALL P2
MOV DL,52
MOV AH,2
INT 21H
RET
P1 ENDP
P2 PROC
MOV DL,53
MOV AH,2
INT 21H
RET
P2 ENDP
END MAIN