8051 Program - call function dptr points to

; Description:

; Call Function Pointed To By DPTR. Called Function Returns To

; Calling Function.

;

; Entry Requirements:

; DPTR Contains Address Of Function To Call

;

; On Exit:

; None

;

; Affected:

; None

;

; Stack:

; 2 Bytes, Not Including Space Used By Called Routines

;

; Comments:

; This Is Useful For Making The Routines Look Clean, Instead Of Having

; To Setup The Return Address In Calling Function. Handy For When

; Tables Of Address For Functions Are Used (Indexed Operations, Etc)

;

UTIL_CALLFUNC:
	push dpl	; Push Low Of Address
	push dph	; Push High Of Address
	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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