stella/src/debugger/gui/CartF8SCWidget.cxx

//============================================================================
//
//   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) 1995-2013 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.
//
// $Id$
//============================================================================

#include "CartF8SC.hxx"
#include "PopUpWidget.hxx"
#include "CartF8SCWidget.hxx"

// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
CartridgeF8SCWidget::CartridgeF8SCWidget(
      GuiObject* boss, const GUI::Font& font,
      int x, int y, int w, int h, CartridgeF8SC& cart)
  : CartDebugWidget(boss, font, x, y, w, h),
    myCart(cart)
{
  uInt16 size = 8192;

  ostringstream info;
  info << "Standard F8SC cartridge, two 4K banks\n"
       << "128 bytes RAM @ $F000 - $F0FF\n"
       << "  $F080 - $F0FF (R), $F000 - $F07F (W)\n"
       << "Startup bank = " << cart.myStartBank << "\n";

  // Eventually, we should query this from the debugger/disassembler
  for(uInt32 i = 0, offset = 0xFFC, spot = 0xFF8; i < 2; ++i, offset += 0x1000)
  {
    uInt16 start = (cart.myImage[offset+1] << 8) | cart.myImage[offset];
    start -= start % 0x1000;
    info << "Bank " << i << " @ $" << HEX4 << (start + 0x100) << " - "
         << "$" << (start + 0xFFF) << " (hotspot = $" << (spot+i) << ")\n";
  }

  int xpos = 10,
      ypos = addBaseInformation(size, "Atari", info.str()) + myLineHeight;

  VariantList items;
  items.push_back("0 ($FF8)");
  items.push_back("1 ($FF9)");
  myBank =
    new PopUpWidget(boss, font, xpos, ypos-2, font.getStringWidth("0 ($FFx) "),
                    myLineHeight, items, "Set bank: ",
                    font.getStringWidth("Set bank: "), kBankChanged);
  myBank->setTarget(this);
  addFocusWidget(myBank);
}

// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
void CartridgeF8SCWidget::loadConfig()
{
  myBank->setSelected(myCart.myCurrentBank);

  CartDebugWidget::loadConfig();
}

// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
void CartridgeF8SCWidget::handleCommand(CommandSender* sender,
                                      int cmd, int data, int id)
{
  if(cmd == kBankChanged)
  {
    myCart.unlockBank();
    myCart.bank(myBank->getSelected());
    myCart.lockBank();
    invalidate();
  }
}

// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
string CartridgeF8SCWidget::bankState()
{
  ostringstream& buf = buffer();

  static const char* spot[] = { "$FF8", "$FF9" };
  buf << "Bank = " << myCart.myCurrentBank
      << ", hotspot = " << spot[myCart.myCurrentBank];

  return buf.str();
}