8051 Program - convert base36 value to binary

; Description:

; Convert Base 36 Value In Acc To Hex (i.e. 'H' -> 011h)

;

; Entry Requirements:

; Acc Has Value In Base 36 (0..9, 'A'..'Z' (Case Significant)). Values

; None In Range Will Produce Inpredictable Results.

;

; On Exit:

; Acc Contains 0..35

;

; Affected:

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

;

; Stack:

; 2 Bytes, Not Including Space Used By Called Routines

;

; Comments:

; None

;

UTIL_ASC36TOBIN:
	cjne a,#'G',loop1	; If >= 'G', Special
loop1:	jnc loop2	;
	call UTIL_HEXTOBIN	; Convert To Binary
	ret	; Return To Caller
loop2:	clr c	; Clear For SUBB
	subb a,#'G'-10h	; Make Binary
	ret	; Return To Caller

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

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Related topics:
8051 Program - convert binary to ascii   |   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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