8051 Program – ascii to decimal

; ascii to decimal
; input R1
	ORG 0H
	MOV R1,#39	;Input ascii code in decimal
	MOV A,R1
	LCALL CONV
	SJMP $
CONV:	CLR C
	SUBB A,#41
	MOV A,R1
	JC DGT
	CLR C
	SUBB A,#37	;ASCII(CHAR)
	RET
DGT:	CLR C
	SUBB A,#30	;ASCII(NUMBER)
	RET
	END

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Related topics:
8051 Program - decimal to hex   |   8051 Program - hex to decimal 8bit   |   8051 Program - decimal to ascii   |   8051 Program - hex to ascii   |   8051 Program - ascii to hex   |   8051 Program - bcd to ascii   |   8051 Program - ascii to bcd   |   8051 Program - bcd to hex 8bit   |   8051 Program - hex to bcd 8bit   |   8051 Program - hex to bcd 12bit   |   8051 Program - memory subroutines   |   8051 Program - math subroutines   |   8051 Program - conversion subroutines

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List of topics: 8051

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