8051 Program – division 8bit

; 8-bit division
; R7/R6
	ORG 0H
	ERAM EQU 4000H
MAIN:
	MOV R7,#20	; load data1 in to R7
	MOV R6,#15	; load data2 in to R6
	LCALL DIV_8
	SJMP MAIN
DIV_8:
	CLR C	; clear carry flag
	MOV A,R7	; load data1 in to accumulator
	MOV B,R6	; load data1 in to B register
	DIV AB	; Divide data1 by data2
store:
	MOV DPTR,#ERAM	; point to external RAM
	MOVX @DPTR,A	; store the quotient
	INC DPTR	; point to next location
	MOV A,B
	MOVX @DPTR,A	; store the remainder
	RET
	END

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Related topics:
8051 Program - arithmetic operation 8bit   |   8051 Program - addition 8bit   |   8051 Program - subtraction 8bit   |   8051 Program - multiplication 8bit   |   8051 Program - addition 16bit   |   8051 Program - subtraction 16bit   |   8051 Program - multiplication 16bit   |   8051 Program - division 16bit   |   8051 Program - addition multibyte   |   8051 Program - multiplication 16bit by 8bit   |   8051 Program - addition 8bit 2digit bcd   |   8051 Program - memory subroutines   |   8051 Program - math subroutines   |   8051 Program - conversion subroutines

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List of topics: 8051

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