mirror of
https://github.com/cc65/cc65.git
synced 2024-07-01 23:29:41 +00:00
21 lines
245 B
ArmAsm
21 lines
245 B
ArmAsm
;
|
|
; Ullrich von Bassewitz, 05.08.1998
|
|
;
|
|
; CC65 runtime: boolean negation
|
|
;
|
|
|
|
.export bnega, bnegax
|
|
.import return0, return1
|
|
|
|
bnegax: cpx #0
|
|
bne L0
|
|
bnega: tax
|
|
bne L0
|
|
L1: lda #1 ; Zero already in X
|
|
rts
|
|
|
|
L0: ldx #0
|
|
txa
|
|
rts
|
|
|