8051 Program – 8bit random number generator

; generates an 8 bit pseudo-random number which is returned in Acc.
; one byte of memory must be available for rand8reg
	ORG 0H
	rand8reg EQU 40H	;one byte
rand8:	MOV A, rand8reg
	JNZ rand8b
	CPL A
	MOV rand8reg, A
rand8b:	ANL A, #10111000b
	MOV C, P
	MOV A, rand8reg
	RLC A
	MOV rand8reg, A
	RET
	END

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List of topics: 8051

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