8051 Program - load dptr from (dptr) rom

; Description:

; Load DPTR From DPTR In Code Space

;

; Entry Requirements:

; DPTR Points To 16 Bit Value In Code Space To Load

;

; On Exit:

; DPTR = (DPTR)

;

; Affected:

; DPTR

;

; Stack:

; 2 Bytes, Not Including Space Used By Called Routines

;

; Comments:

; None

UTIL_LDDPTRC:
	push acc	; Save Acc
	clr a	; Clear For MOVC
	movc a,@a+dptr	; Get High Byte
	push acc	; Save It
	mov a,#1	; Set For MOVC
	movc a,@a+dptr	; Get Low Byte
	mov dpl,a	; Move To DPL
	pop dph	; Recover High To DPH
	pop acc	; Recover Acc
	ret	; Return To Caller

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

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List of topics: 8051

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