IronMan2010
New Member
I wrote this Program To Count Fro 0 to 9 On 7-seg
ORG 0H
MOV A, #0H
MOV P2, A
ACALL DELAY
main : INC A
MOV P2, A
ACALL DELAY
CJNE A, #9H, main
MOV R4, #2
DELAY : MOV R3, #220
HERE : NOP
NOP
NOP
NOP
NOP
DJNZ R3, HERE
DJNZ R4, DELAY
RET
END
I will connect BCD To 7-seg to pins 0 : 3 .. It works Fine but i dont know why it stops and freeze on ZERO after counting twice from 0 to 9 ??? Offcourse this on simulation program Protus ,, i didnt made it practically yet >>>> can sm 1 tell me why it freez after Counting twice from 0 to 9 ?>??
ORG 0H
MOV A, #0H
MOV P2, A
ACALL DELAY
main : INC A
MOV P2, A
ACALL DELAY
CJNE A, #9H, main
MOV R4, #2
DELAY : MOV R3, #220
HERE : NOP
NOP
NOP
NOP
NOP
DJNZ R3, HERE
DJNZ R4, DELAY
RET
END
I will connect BCD To 7-seg to pins 0 : 3 .. It works Fine but i dont know why it stops and freeze on ZERO after counting twice from 0 to 9 ??? Offcourse this on simulation program Protus ,, i didnt made it practically yet >>>> can sm 1 tell me why it freez after Counting twice from 0 to 9 ?>??