8051 Program - convert binary to ascii

; Description:

; Convert Value In Low 4 Bits Of Acc To A Hex Digit

;

; Entry Requirements:

; Low 4 Bits Of Acc Have Value To Convert To '0'..'9', 'A'..'Z'

;

; On Exit:

; Value Of Low 4 Bits In ASCII

;

; Affected:

; PSW.CY, PSW.Z, PSW.P, Acc

;

; Stack:

; 0 Bytes, Not Including Space Used By Called Routines

;

; Comments:

; Near Trick From A Z80 Book Circa 1982. Don't Know Who The Original

; Author Is.

;

UTIL_BINTOASC:
	anl a,#00fh	; Keep Only Low Bits
	add a,#090h	; Add 144
	da a	; Decimal Adjust
	addc a,#040h	; Add 64
	da a	; Decimal Adjust
	ret	; Return To Caller

Source: Assorted Utilities, John C. Wren 11/23/96

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Related topics:
8051 Program - convert base36 value to binary   |   8051 Program - convert binary to ascii base36   |   8051 Program - memory subroutines   |   8051 Program - math subroutines   |   8051 Program - conversion subroutines

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List of topics: 8051

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