mulax3.s



;
; Ullrich von Bassewitz, 04.10.2001
;
; CC65 runtime: Multiply the primary register
;

   	.export		mulax3
	.importzp	ptr1
		
.proc	mulax3

	sta     ptr1
	stx	ptr1+1
	asl	a
	rol	ptr1+1
	clc
	adc	ptr1
	pha
	txa
	adc	ptr1+1
	tax
	pla
	rts

.endproc




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