8051 Program – swap nibbles

; swap nibbles
; store the higher nibble of r7 in to both nibbles of r6
	ORG 0H
	MOV R7,#36H
	MOV A, R7
	ANL A, #0F0H
	MOV R6, A
	SWAP A
	ORL A, R6
	MOV R6, A
	END

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8051 Program - move block of data without overlap   |   8051 Program - move block of data with overlap   |   8051 Program - move block of data external memory   |   8051 Program - exchange content of two ram locations   |   8051 Program - exchange block of data external memory   |   8051 Program - memory compare   |   8051 Program - memory subroutines   |   8051 Program - math subroutines   |   8051 Program - conversion subroutines

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List of topics: 8051

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