8051 Program - convert 12bit binary to bcd

; Description:

; Convert Value In Acc From Hex To BCD.

;

; Entry Requirements:

; Acc Has Value To Convert To BCD

;

; On Exit:

; DPTR Has Value Of Acc In BCD

;

; Affected:

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

;

; Stack:

; 2 Bytes, Not Including Space Used By Called Routines

;

; Comments:

; Values Greater Than 255 Will Not Work Properly. If Acc == 12, DPTR

; == 0012. If Acc = 255, DPTR = 0255.

;

UTIL_BINTOBCD12:
	push b	; Save B
	push acc	; Save Acc
	mov b,#100	; Divide By 100
	div ab	; Do Divide
	mov dph,a	; Store In DPH
	pop acc	; Recover Acc
	mov b,#10	; Divide By 10
	div ab	; Do Divide
	swap a	; Move Result To High Of A
	orl a,b	; OR In Remainder
	mov dpl,a	; Move To DPL
	pop b	; Recover B
	ret	; Return To Caller

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

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Related topics:
8051 Program - convert 8bit binary to bcd   |   8051 Program - convert dptr to signed string   |   8051 Program - convert dptr to unsigned string   |   8051 Program - memory subroutines   |   8051 Program - math subroutines   |   8051 Program - conversion subroutines

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List of topics: 8051

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