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22 lines
561 B
ArmAsm
22 lines
561 B
ArmAsm
; isspace.s
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;
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; This file is part of
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; cc65 - a freeware C compiler for 6502 based systems
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;
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; https://cc65.github.io
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;
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; See "LICENSE" file for legal information.
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;
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; int isspace (int c);
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;
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.export _isspace
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.include "ctype.inc"
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.import ctype_preprocessor
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_isspace:
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jsr ctype_preprocessor ; (clears always x)
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bcs @L1 ; out of range? (everything already clear -> false)
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and #(CT_SPACE | CT_OTHER_WS) ; mask space bits
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@L1: rts
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