;
; Ullrich von Bassewitz, 06.08.1998
;
; CC65 runtime: Scale the primary register
;

       	.export		asreax1
	.importzp	sreg, tmp1

asreax1:
	stx	tmp1
       	ldx    	sreg+1
       	cpx	#$80  		; Get bit 7 into carry
       	ror	sreg+1
       	ror	sreg
       	ror	tmp1
       	ror	a
       	ldx	tmp1
       	rts

