furnace/src/engine/platform/genesisshared.h

/**
 * Furnace Tracker - multi-system chiptune tracker
 * Copyright (C) 2021-2022 tildearrow and contributors
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */

static unsigned short chanOffs[6]={
  0x00, 0x01, 0x02, 0x100, 0x101, 0x102
};
static unsigned short opOffs[4]={
  0x00, 0x04, 0x08, 0x0c
};
static bool isOutput[8][4]={
  // 1     3     2    4
  {false,false,false,true},
  {false,false,false,true},
  {false,false,false,true},
  {false,false,false,true},
  {false,false,true ,true},
  {false,true ,true ,true},
  {false,true ,true ,true},
  {true ,true ,true ,true},
};
static unsigned char dtTable[8]={
  7,6,5,0,1,2,3,4
};

static int orderedOps[4]={
  0,2,1,3
};

#define rWrite(a,v) if (!skipRegisterWrites) {pendingWrites[a]=v;}
#define immWrite(a,v) if (!skipRegisterWrites) {writes.push_back(QueuedWrite(a,v)); if (dumpWrites) {addWrite(a,v);} }
#define urgentWrite(a,v) if (!skipRegisterWrites) { \
  if (writes.empty()) { \
    writes.push_back(QueuedWrite(a,v)); \
  } else if (writes.size()>16 || writes.front().addrOrVal) { \
    writes.push_back(QueuedWrite(a,v)); \
  } else { \
    writes.push_front(QueuedWrite(a,v)); \
  } \
  if (dumpWrites) { \
    addWrite(a,v); \
  } \
}

#include "fmshared_OPN.h"