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Shorter isascii

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polluks2 2022-08-04 00:25:04 +02:00 committed by GitHub
parent fb8de287be
commit 7a93d3c707
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1 changed files with 2 additions and 3 deletions
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5
libsrc/common/isascii.s
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@ -11,6 +11,7 @@
; ;
.export _isascii .export _isascii
.import return0
_isascii: _isascii:
asl a ; high-bit to carry asl a ; high-bit to carry
@ -19,6 +20,4 @@ _isascii:
adc #$FF ; calculate return value based on carry adc #$FF ; calculate return value based on carry
rts rts
@L1: lda #$00 ; return false @L1: jmp return0 ; return false
tax
rts