Infinite loop error

[Raj Agrahari]

;

jmp start

;data

;code
start: nop
LXI H,0000H
MVI A,00H
MVI C,09H
LABEL:nop
MVI B,FFH
L1: MVI D,FFH
L2: DCR D
JNZ L2
DCR B
JNZ L1
ADI 01H
MOV M,A
INX H
MOV A,L
DCR C
JNZ LABEL
HLT