42 lines
1.3 KiB
C
42 lines
1.3 KiB
C
/**
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* Furnace Tracker - multi-system chiptune tracker
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* Copyright (C) 2021-2023 tildearrow and contributors
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#define DETERMINE_FIRST \
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int firstChannel=0; \
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for (int i=0; i<e->getTotalChannelCount(); i++) { \
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if (e->curSubSong->chanShow[i]) { \
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firstChannel=i; \
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break; \
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} \
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}
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#define DETERMINE_LAST \
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int lastChannel=0; \
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for (int i=e->getTotalChannelCount()-1; i>=0; i--) { \
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if (e->curSubSong->chanShow[i]) { \
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lastChannel=i+1; \
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break; \
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} \
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}
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#define DETERMINE_FIRST_LAST \
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DETERMINE_FIRST \
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DETERMINE_LAST
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