You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
|
;
|
|
; Ullrich von Bassewitz, 06.08.1998
|
|
;
|
|
; CC65 runtime: Scale the 32 bit primary register by 2
|
|
;
|
|
|
|
.export asleax1, shleax1
|
|
.importzp sreg, tmp1
|
|
|
|
asleax1:
|
|
shleax1:
|
|
stx tmp1
|
|
asl a
|
|
rol tmp1
|
|
rol sreg
|
|
rol sreg+1
|
|
ldx tmp1
|
|
rts
|
|
|