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MICROPROCESSOR INSTRUCTION REFERENCE->DJNZ

DJNZ e  Decrement B and then if B<>0 jump e relative

B <- B-1 : If B<>0 PC <- PC + e

Flags
    

S	Not affected
Z	Not affected
H	Not affected
P/V	Not affected
N	Not affected
C	Not affected

Assembler syntax:  DJNZ <exprn.> where exprn. defines an address
    

	No of	M	T	usec @
	bytes	cycles	states	2 MHz

B<>0	2	3	13	6.5
B=0	2	2	8	4