mirror of https://github.com/stella-emu/stella.git
add missing files
This commit is contained in:
thrust26
parent
ed42374644
commit
12fffa1690
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//============================================================================
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//
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// SSSS tt lll lll
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// SS SS tt ll ll
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// SS tttttt eeee ll ll aaaa
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// SSSS tt ee ee ll ll aa
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// SS tt eeeeee ll ll aaaaa -- "An Atari 2600 VCS Emulator"
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// SS SS tt ee ll ll aa aa
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// SSSS ttt eeeee llll llll aaaaa
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//
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// Copyright (c) 1995-2019 by Bradford W. Mott, Stephen Anthony
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// and the Stella Team
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//
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// See the file "License.txt" for information on usage and redistribution of
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// this file, and for a DISCLAIMER OF ALL WARRANTIES.
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//============================================================================
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#include "CartFC.hxx"
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#include "PopUpWidget.hxx"
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#include "CartFCWidget.hxx"
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// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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CartridgeFCWidget::CartridgeFCWidget(
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GuiObject* boss, const GUI::Font& lfont, const GUI::Font& nfont,
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int x, int y, int w, int h, CartridgeFC& cart)
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: CartDebugWidget(boss, lfont, nfont, x, y, w, h),
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myCart(cart)
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{
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uInt16 size = cart.bankCount() * 4096;
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ostringstream info;
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info << "FC cartridge, up to eight 4K banks\n"
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<< "Startup bank = " << cart.startBank() << " or undetermined\n";
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// Eventually, we should query this from the debugger/disassembler
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info << "Bank selected by hotspots\n"
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<< " $FFF8 (defines low 2 bits)\n"
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<< " $FFF9 (defines high bits)\n"
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<< " $FFFC (triggers bank switch)";
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int xpos = 2,
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ypos = addBaseInformation(size, "Amiga Corp.", info.str()) + myLineHeight;
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VariantList items;
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for (uInt16 i = 0; i < cart.bankCount(); ++i)
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VarList::push_back(items, Variant(i).toString() +
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" ($FFF8 = " + Variant(i & 0b11).toString() +
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"/$FFF9 = " + Variant(i >> 2).toString() +")");
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myBank =
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new PopUpWidget(boss, _font, xpos, ypos - 2, _font.getStringWidth("7 ($FFF8 = 3/$FFF9 = 1)"),
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myLineHeight, items, "Set bank ",
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0, kBankChanged);
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myBank->setTarget(this);
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addFocusWidget(myBank);
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}
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// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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void CartridgeFCWidget::loadConfig()
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{
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Debugger& dbg = instance().debugger();
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CartDebug& cart = dbg.cartDebug();
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const CartState& state = static_cast<const CartState&>(cart.getState());
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const CartState& oldstate = static_cast<const CartState&>(cart.getOldState());
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myBank->setSelectedIndex(myCart.getBank(), state.bank != oldstate.bank);
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CartDebugWidget::loadConfig();
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}
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// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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void CartridgeFCWidget::handleCommand(CommandSender* sender,
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int cmd, int data, int id)
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{
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if (cmd == kBankChanged)
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{
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myCart.unlockBank();
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myCart.bank(myBank->getSelected());
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myCart.lockBank();
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invalidate();
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}
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}
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// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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string CartridgeFCWidget::bankState()
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{
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ostringstream& buf = buffer();
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uInt16 bank = myCart.getBank();
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buf << "Bank = #" << std::dec << bank
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<< ", hotspots $FFF8 = " << (bank & 0b11)
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<< "/$FF99 = " << (bank >> 2);
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return buf.str();
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}
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@ -0,0 +1,55 @@
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//============================================================================
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//
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// SSSS tt lll lll
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// SS SS tt ll ll
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// SS tttttt eeee ll ll aaaa
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// SSSS tt ee ee ll ll aa
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// SS tt eeeeee ll ll aaaaa -- "An Atari 2600 VCS Emulator"
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// SS SS tt ee ll ll aa aa
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// SSSS ttt eeeee llll llll aaaaa
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//
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// Copyright (c) 1995-2019 by Bradford W. Mott, Stephen Anthony
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// and the Stella Team
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//
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// See the file "License.txt" for information on usage and redistribution of
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// this file, and for a DISCLAIMER OF ALL WARRANTIES.
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//============================================================================
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#ifndef CARTRIDGEFC_WIDGET_HXX
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#define CARTRIDGEFC_WIDGET_HXX
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class CartridgeFC;
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class PopUpWidget;
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#include "CartDebugWidget.hxx"
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class CartridgeFCWidget : public CartDebugWidget
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{
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public:
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CartridgeFCWidget(GuiObject* boss, const GUI::Font& lfont,
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const GUI::Font& nfont,
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int x, int y, int w, int h,
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CartridgeFC& cart);
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virtual ~CartridgeFCWidget() = default;
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private:
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CartridgeFC& myCart;
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PopUpWidget* myBank;
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enum { kBankChanged = 'bkCH' };
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private:
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void loadConfig() override;
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void handleCommand(CommandSender* sender, int cmd, int data, int id) override;
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string bankState() override;
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// Following constructors and assignment operators not supported
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CartridgeFCWidget() = delete;
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CartridgeFCWidget(const CartridgeFCWidget&) = delete;
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CartridgeFCWidget(CartridgeFCWidget&&) = delete;
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CartridgeFCWidget& operator=(const CartridgeFCWidget&) = delete;
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CartridgeFCWidget& operator=(CartridgeFCWidget&&) = delete;
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};
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#endif
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@ -0,0 +1,188 @@
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//============================================================================
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//
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// SSSS tt lll lll
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// SS SS tt ll ll
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// SS tttttt eeee ll ll aaaa
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// SSSS tt ee ee ll ll aa
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// SS tt eeeeee ll ll aaaaa -- "An Atari 2600 VCS Emulator"
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// SS SS tt ee ll ll aa aa
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// SSSS ttt eeeee llll llll aaaaa
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//
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// Copyright (c) 1995-2019 by Bradford W. Mott, Stephen Anthony
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// and the Stella Team
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//
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// See the file "License.txt" for information on usage and redistribution of
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// this file, and for a DISCLAIMER OF ALL WARRANTIES.
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//============================================================================
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#include "System.hxx"
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#include "CartFC.hxx"
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// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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CartridgeFC::CartridgeFC(const ByteBuffer& image, size_t size,
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const string& md5, const Settings& settings)
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: Cartridge(settings, md5),
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myBankOffset(0),
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myCurrentBank(0),
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mySize(size),
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myTargetBank(0)
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{
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// Copy the ROM image into my buffer
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std::copy_n(image.get(), std::min(myImage.size(), size), myImage.begin());
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createCodeAccessBase(myImage.size());
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}
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// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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void CartridgeFC::reset()
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{
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initializeStartBank(0);
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myTargetBank = 0;
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// Upon reset we switch to the reset bank
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bank(startBank());
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}
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// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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void CartridgeFC::install(System& system)
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{
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mySystem = &system;
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// Install pages for the startup bank
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bank(startBank());
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}
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// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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uInt8 CartridgeFC::peek(uInt16 address)
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{
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address &= 0x0FFF;
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// Switch banks if necessary
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switch (address)
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{
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case 0x0FFC:
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// Trigger the bank switch
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bank(myTargetBank);
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break;
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default:
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break;
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}
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return myImage[myBankOffset + address];
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}
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// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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bool CartridgeFC::poke(uInt16 address, uInt8 value)
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{
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address &= 0x0FFF;
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// Switch banks if necessary
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switch (address)
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{
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case 0x0FF8:
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// Set the two lowest bits of target 4k bank
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myTargetBank = value & 0b11;
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break;
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case 0x0FF9:
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// Set the high bits of target 4k bank
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myTargetBank += value << 2;
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myTargetBank %= bankCount();
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break;
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default:
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break;
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}
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return false;
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}
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// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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bool CartridgeFC::bank(uInt16 bank)
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{
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if (bankLocked()) return false;
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// Remember what bank we're in
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myBankOffset = bank << 12;
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System::PageAccess access(this, System::PageAccessType::READ);
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// Set the page accessing methods for the hot spots
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for (uInt16 addr = (0x1FF8 & ~System::PAGE_MASK); addr < 0x2000;
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addr += System::PAGE_SIZE)
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{
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access.codeAccessBase = &myCodeAccessBase[myBankOffset + (addr & 0x0FFF)];
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mySystem->setPageAccess(addr, access);
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}
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// Setup the page access methods for the current bank
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for (uInt16 addr = 0x1000; addr < (0x1FF8U & ~System::PAGE_MASK);
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addr += System::PAGE_SIZE)
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{
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access.directPeekBase = &myImage[myBankOffset + (addr & 0x0FFF)];
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access.codeAccessBase = &myCodeAccessBase[myBankOffset + (addr & 0x0FFF)];
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mySystem->setPageAccess(addr, access);
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}
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myCurrentBank = myTargetBank;
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return myBankChanged = true;
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}
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// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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uInt16 CartridgeFC::getBank(uInt16) const
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{
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return myBankOffset >> 12;
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}
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// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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uInt16 CartridgeFC::bankCount() const
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{
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return uInt16(mySize >> 12);
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}
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// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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bool CartridgeFC::patch(uInt16 address, uInt8 value)
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{
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myImage[myBankOffset + (address & 0x0FFF)] = value;
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return myBankChanged = true;
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}
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// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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const uInt8* CartridgeFC::getImage(size_t& size) const
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{
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size = mySize;
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return myImage.data();
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}
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// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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bool CartridgeFC::save(Serializer& out) const
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{
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try
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{
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out.putShort(myBankOffset);
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}
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catch (...)
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{
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cerr << "ERROR: CartridgeFC::save" << endl;
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return false;
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}
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return true;
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}
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// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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bool CartridgeFC::load(Serializer& in)
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{
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try
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{
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myBankOffset = in.getShort();
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}
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catch (...)
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{
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cerr << "ERROR: CartridgeFC::load" << endl;
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return false;
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}
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// Remember what bank we were in
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bank(myBankOffset >> 12);
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return true;
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}
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@ -0,0 +1,184 @@
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//============================================================================
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//
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// SSSS tt lll lll
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// SS SS tt ll ll
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// SS tttttt eeee ll ll aaaa
|
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// SSSS tt ee ee ll ll aa
|
||||
// SS tt eeeeee ll ll aaaaa -- "An Atari 2600 VCS Emulator"
|
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// SS SS tt ee ll ll aa aa
|
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// SSSS ttt eeeee llll llll aaaaa
|
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//
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// Copyright (c) 1995-2019 by Bradford W. Mott, Stephen Anthony
|
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// and the Stella Team
|
||||
//
|
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// See the file "License.txt" for information on usage and redistribution of
|
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// this file, and for a DISCLAIMER OF ALL WARRANTIES.
|
||||
//============================================================================
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#ifndef CARTRIDGEFC_HXX
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#define CARTRIDGEFC_HXX
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class System;
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#include "bspf.hxx"
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#include "Cart.hxx"
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#ifdef DEBUGGER_SUPPORT
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#include "CartFCWidget.hxx"
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#endif
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/**
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Cartridge class used for Amiga's 32K Power Play Arcade Video Game Album.
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There are eight 4K banks, writing to $1FF8 definies the two lowest bits
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of the wanted bank, writeing to $1FF9 defines the high bits. Reading from
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$1FFC triggers the bank switching
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@author Thomas Jentzsch
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*/
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class CartridgeFC : public Cartridge
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{
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friend class CartridgeFCWidget;
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public:
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/**
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Create a new cartridge using the specified image
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@param image Pointer to the ROM image
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@param size The size of the ROM image
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@param md5 The md5sum of the ROM image
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@param settings A reference to the various settings (read-only)
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*/
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CartridgeFC(const ByteBuffer& image, size_t size, const string& md5,
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const Settings& settings);
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virtual ~CartridgeFC() = default;
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public:
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/**
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Reset device to its power-on state
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*/
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void reset() override;
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/**
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Install cartridge in the specified system. Invoked by the system
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when the cartridge is attached to it.
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@param system The system the device should install itself in
|
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*/
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void install(System& system) override;
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/**
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Install pages for the specified bank in the system.
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@param bank The bank that should be installed in the system
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*/
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bool bank(uInt16 bank) override;
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/**
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Get the current bank.
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@param address The address to use when querying the bank
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||||
*/
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uInt16 getBank(uInt16 address = 0) const override;
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/**
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Query the number of banks supported by the cartridge.
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*/
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uInt16 bankCount() const override;
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/**
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Patch the cartridge ROM.
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@param address The ROM address to patch
|
||||
@param value The value to place into the address
|
||||
@return Success or failure of the patch operation
|
||||
*/
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||||
bool patch(uInt16 address, uInt8 value) override;
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||||
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||||
/**
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Access the internal ROM image for this cartridge.
|
||||
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||||
@param size Set to the size of the internal ROM image data
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||||
@return A pointer to the internal ROM image data
|
||||
*/
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const uInt8* getImage(size_t& size) const override;
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||||
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||||
/**
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Save the current state of this cart to the given Serializer.
|
||||
|
||||
@param out The Serializer object to use
|
||||
@return False on any errors, else true
|
||||
*/
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bool save(Serializer& out) const override;
|
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/**
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Load the current state of this cart from the given Serializer.
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||||
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@param in The Serializer object to use
|
||||
@return False on any errors, else true
|
||||
*/
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||||
bool load(Serializer& in) override;
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||||
/**
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Get a descriptor for the device name (used in error checking).
|
||||
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||||
@return The name of the object
|
||||
*/
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||||
string name() const override { return "CartridgeFC"; }
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||||
#ifdef DEBUGGER_SUPPORT
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/**
|
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Get debugger widget responsible for accessing the inner workings
|
||||
of the cart.
|
||||
*/
|
||||
CartDebugWidget* debugWidget(GuiObject* boss, const GUI::Font& lfont,
|
||||
const GUI::Font& nfont, int x, int y, int w, int h) override
|
||||
{
|
||||
return new CartridgeFCWidget(boss, lfont, nfont, x, y, w, h, *this);
|
||||
}
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||||
#endif
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||||
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||||
public:
|
||||
/**
|
||||
Get the byte at the specified address.
|
||||
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||||
@return The byte at the specified address
|
||||
*/
|
||||
uInt8 peek(uInt16 address) override;
|
||||
|
||||
/**
|
||||
Change the byte at the specified address to the given value
|
||||
|
||||
@param address The address where the value should be stored
|
||||
@param value The value to be stored at the address
|
||||
@return True if the poke changed the device address space, else false
|
||||
*/
|
||||
bool poke(uInt16 address, uInt8 value) override;
|
||||
|
||||
private:
|
||||
// The 32K ROM image of the cartridge
|
||||
std::array<uInt8, 32_KB> myImage;
|
||||
|
||||
// Size of the ROM image
|
||||
size_t mySize;
|
||||
|
||||
|
||||
// Indicates the offset into the ROM image (aligns to current bank)
|
||||
uInt16 myBankOffset;
|
||||
|
||||
// Indicates which bank is currently active for the first segment
|
||||
uInt16 myCurrentBank;
|
||||
|
||||
|
||||
// Target bank defined by writing to $1FF8/9
|
||||
uInt16 myTargetBank;
|
||||
|
||||
private:
|
||||
// Following constructors and assignment operators not supported
|
||||
CartridgeFC() = delete;
|
||||
CartridgeFC(const CartridgeFC&) = delete;
|
||||
CartridgeFC(CartridgeFC&&) = delete;
|
||||
CartridgeFC& operator=(const CartridgeFC&) = delete;
|
||||
CartridgeFC& operator=(CartridgeFC&&) = delete;
|
||||
};
|
||||
|
||||
#endif
|
||||
|
||||
Loading…
Reference in New Issue