//============================================================================
//
//   SSSS    tt          lll  lll
//  SS  SS   tt           ll   ll
//  SS     tttttt  eeee   ll   ll   aaaa
//   SSSS    tt   ee  ee  ll   ll      aa
//      SS   tt   eeeeee  ll   ll   aaaaa  --  "An Atari 2600 VCS Emulator"
//  SS  SS   tt   ee      ll   ll  aa  aa
//   SSSS     ttt  eeeee llll llll  aaaaa
//
// Copyright (c) 1995-2022 by Bradford W. Mott, Stephen Anthony
// and the Stella Team
//
// See the file "License.txt" for information on usage and redistribution of
// this file, and for a DISCLAIMER OF ALL WARRANTIES.
//============================================================================

#include "OSystem.hxx"
#include "Debugger.hxx"
#include "CartDebug.hxx"
#include "CartCTY.hxx"
#include "PopUpWidget.hxx"
#include "CartCTYWidget.hxx"

// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
CartridgeCTYWidget::CartridgeCTYWidget(
      GuiObject* boss, const GUI::Font& lfont, const GUI::Font& nfont,
      int x, int y, int w, int h, CartridgeCTY& cart)
  : CartDebugWidget(boss, lfont, nfont, x, y, w, h),
    myCart{cart}
{
  constexpr uInt16 size = 8 * 4096;

  string info =
    "Chetiry cartridge, eight 4K banks (bank 0 is ARM code and is ignored)\n"
    "64 bytes RAM @ $F000 - $F080\n"
    "  $F040 - $F07F (R), $F000 - $F03F (W)\n"
    "\nTHIS SCHEME IS NOT FULLY IMPLEMENTED OR TESTED\n";

  constexpr int xpos = 2;
  const int ypos = addBaseInformation(size, "Chris D. Walton", info) + myLineHeight;

  VariantList items;
  VarList::push_back(items, "1 ($FFF5)");
  VarList::push_back(items, "2 ($FFF6)");
  VarList::push_back(items, "3 ($FFF7)");
  VarList::push_back(items, "4 ($FFF8)");
  VarList::push_back(items, "5 ($FFF9)");
  VarList::push_back(items, "6 ($FFFA)");
  VarList::push_back(items, "7 ($FFFB)");
  myBank =
    new PopUpWidget(boss, _font, xpos, ypos-2, _font.getStringWidth("0 ($FFFx)"),
                    myLineHeight, items, "Set bank     ",
                    0, kBankChanged);
  myBank->setTarget(this);
  addFocusWidget(myBank);
}

// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
void CartridgeCTYWidget::saveOldState()
{
  myOldState.internalram.clear();

  for(uInt32 i = 0; i < internalRamSize(); ++i)
    myOldState.internalram.push_back(myCart.myRAM[i]);

  myOldState.bank = myCart.getBank();
}

// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
void CartridgeCTYWidget::loadConfig()
{
  myBank->setSelectedIndex(myCart.getBank()-1, myCart.getBank() != myOldState.bank);

  CartDebugWidget::loadConfig();
}

// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
void CartridgeCTYWidget::handleCommand(CommandSender* sender,
                                      int cmd, int data, int id)
{
  if(cmd == kBankChanged)
  {
    myCart.unlockHotspots();
    myCart.bank(myBank->getSelected()+1);
    myCart.lockHotspots();
    invalidate();
  }
}

// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
string CartridgeCTYWidget::bankState()
{
  ostringstream& buf = buffer();

  static constexpr std::array<const char*, 8> spot = {
    "", "$FFF5", "$FFF6", "$FFF7", "$FFF8", "$FFF9", "$FFFA", "$FFFB"
  };
  const uInt16 bank = myCart.getBank();
  buf << "Bank = " << std::dec << bank << ", hotspot = " << spot[bank];

  return buf.str();
}

// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
uInt32 CartridgeCTYWidget::internalRamSize()
{
  return 64;
}

// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
uInt32 CartridgeCTYWidget::internalRamRPort(int start)
{
  return 0xF040 + start;
}

// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
string CartridgeCTYWidget::internalRamDescription()
{
  ostringstream desc;
  desc << "$F000 - $F03F used for Write Access\n"
       << "$F040 - $F07F used for Read Access";

  return desc.str();
}

// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
const ByteArray& CartridgeCTYWidget::internalRamOld(int start, int count)
{
  myRamOld.clear();
  for(int i = 0; i < count; i++)
    myRamOld.push_back(myOldState.internalram[start + i]);
  return myRamOld;
}

// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
const ByteArray& CartridgeCTYWidget::internalRamCurrent(int start, int count)
{
  myRamCurrent.clear();
  for(int i = 0; i < count; i++)
    myRamCurrent.push_back(myCart.myRAM[start + i]);
  return myRamCurrent;
}

// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
void CartridgeCTYWidget::internalRamSetValue(int addr, uInt8 value)
{
  myCart.myRAM[addr] = value;
}

// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
uInt8 CartridgeCTYWidget::internalRamGetValue(int addr)
{
  return myCart.myRAM[addr];
}

// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
string CartridgeCTYWidget::internalRamLabel(int addr)
{
  const CartDebug& dbg = instance().debugger().cartDebug();
  return dbg.getLabel(addr + 0xF040, false);
}
