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MICROPROCESSOR INSTRUCTION REFERENCE->XCH

XCH               Exchange Accumulator with Byte Variable

This instruction loads the accumulator with the contents of the indicated variable and at the same time writes the original accumulator contents to the indicated variable.


Formats:
    

Description	Mnemonic	Bytes	Cycles

Exchange Register and Accumulator:	XCH A,Rn	1	1
Exchange Memory and Accumulator:	XCH A,<direct addr>	2	1
Exchange Indirect Address and Accumulator:	XCH A,@Ri	1	1

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)