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MICROPROCESSOR INSTRUCTION REFERENCE->CJNE

CJNE       Compare and Jump if Not Equal

Assembler Mnemonic: CJNE <dest byte>,<src byte>, <rel addr>

CJNE compares the magnitudes of the first two operands and branches if their values are now equal.

Formats:
    

Description	Mnemonic	Bytes	Cycles

Compare Indirect to Immediate:	CJNE @Ri,#<data>,<code addr>	3	2
Compare Immediate to Accumulator:	CJNE A,#<data>,<code addr>	3	2
Compare Memory to Accumulator:	CJNE A,<direct addr>,<code addr>	3	2
Compare Immediate to Register:	CJNE Rr,#<data>,<code addr>	3	2

where Ri is R0 or R1 and Rn is R0 - R7
    

PSW:	C	AC	F0	RS1	RS0	OV	P
	*	N/A	N/A	N/A	N/A	N/A	N/A

(N/A: Not affected)

The carry flag is set if the unsigned integer value of <dest byte> is less than the unsigned integer value of <src byte>, otherwise it is cleared.

Neither operand is affected.