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cc65/libsrc/runtime/compl.s

18 lines
261 B
ArmAsm

;
; Ullrich von Bassewitz, 06.08.1998
;
; CC65 runtime: integer complement
;
.export complax
complax:
eor #$FF ; Not A
pha
txa
eor #$FF ; Not X
tax
pla
rts