61 lines
1.9 KiB
C
61 lines
1.9 KiB
C
/**
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* Furnace Tracker - multi-system chiptune tracker
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* Copyright (C) 2021-2022 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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static unsigned short chanOffs[6]={
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0x00, 0x01, 0x02, 0x100, 0x101, 0x102
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};
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static unsigned short opOffs[4]={
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0x00, 0x04, 0x08, 0x0c
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};
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static bool isOutput[8][4]={
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// 1 3 2 4
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{false,false,false,true},
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{false,false,false,true},
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{false,false,false,true},
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{false,false,false,true},
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{false,false,true ,true},
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{false,true ,true ,true},
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{false,true ,true ,true},
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{true ,true ,true ,true},
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};
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static unsigned char dtTable[8]={
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7,6,5,0,1,2,3,4
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};
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static int orderedOps[4]={
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0,2,1,3
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};
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#define rWrite(a,v) if (!skipRegisterWrites) {pendingWrites[a]=v;}
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#define immWrite(a,v) if (!skipRegisterWrites) {writes.push_back(QueuedWrite(a,v)); if (dumpWrites) {addWrite(a,v);} }
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#define urgentWrite(a,v) if (!skipRegisterWrites) { \
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if (writes.empty()) { \
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writes.push_back(QueuedWrite(a,v)); \
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} else if (writes.size()>16 || writes.front().addrOrVal) { \
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writes.push_back(QueuedWrite(a,v)); \
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} else { \
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writes.push_front(QueuedWrite(a,v)); \
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} \
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if (dumpWrites) { \
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addWrite(a,v); \
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} \
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}
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#include "fmshared_OPN.h"
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