ALP to display all prime numbers from 1 to 9

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ASSUME CS:CODE,DS:DATA
DATA SEGMENT
DIVIDEND DB ?
DIVISOR DB ?
NUM DB 9h
DATA ENDS
CODE SEGMENT
START:
 MOV AX,DATA
 MOV Ds,AX

 ALL:
 MOV AL,NUM
 dec AL
 MOV DIVIDEND,AL
 MOV NUM,AL
 MOV CH,00H
 MOV CL,DIVIDEND
 DEC CL
 MOV DL,00H;FLAG
 L:
 MOV DIVISOR,CL
 MOV AH,00H
 MOV AL,DIVIDEND
 MOV BL,DIVISOR
 DIV BL
 CMP AH,00H
 JNE SKIP
 CMP DIVISOR,01H;TO SKIP DIVISOR AS 1
 JE SKIP1
 INC DL;FLAG
 SKIP1:
 SKIP:
 LOOP L
DONE:
 CMP DL,00H
 JE ELSE1
  ;NOT PRIME
 JMP DIS
 ELSE1:
 MOV DH,00H
 MOV DL,DIVIDEND
 ADD DL,30H
 MOV AH,02H
 INT 21H
DIS:
cmp num,01h
je ex
CMP NUM,02H
JNE ALL
     ex:
MOV AH,4CH
INT 21H
CODE ENDS
END START

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