paddn.asm

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; P-Code Aritmetic Library (c)Copyright 2000, 2001, Radek Benedikt
;	[e-mail], http://benedikt.lphard.cz

	.global	paddn
	.text
;
; *** PADDN *** ADD string (cpu IDATA mem), with string (cpu IDATA mem) ***
; paddn buffer_addr, buffer_addr, lenght
;	R7,	R5,	R3
paddn:	MOV	A,R5
	ADD	A,R3
	MOV	R1,A
	DEC	R1
	MOV	A,R7
	ADD	A,R3
	MOV	R0,A
	DEC	R0
	CLR	C
paddn0:	MOV	A,@R0
	ADDC	A,@R1
	MOV	@R0,A
	DEC	R0
	DEC	R1
	DJNZ	R3,paddn0
	RET
	;; END