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cc65/libsrc/runtime/aslax3.s

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;
; Ullrich von Bassewitz, 06.08.1998
;
; CC65 runtime: Scale the primary register by 8
;
.export aslax3, shlax3
.importzp tmp1
aslax3:
shlax3: stx tmp1
asl a
rol tmp1
asl a
rol tmp1
asl a
rol tmp1
ldx tmp1
rts