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18 lines
201 B
ArmAsm

;
; Ullrich von Bassewitz, 06.08.1998
;
; CC65 runtime: Scale the primary register
;
.export aslax1, shlax1
.importzp tmp1
aslax1:
shlax1: stx tmp1
asl A
rol tmp1
ldx tmp1
rts