mirror of https://github.com/stella-emu/stella.git
88 lines
2.7 KiB
C++
88 lines
2.7 KiB
C++
//============================================================================
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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) 1995-2020 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 CARTRIDGEF6SC_HXX
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#define CARTRIDGEF6SC_HXX
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#include "CartF6.hxx"
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#ifdef DEBUGGER_SUPPORT
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#include "CartF6SCWidget.hxx"
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#endif
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/**
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Cartridge class used for Atari's 16K bankswitched games with 128 bytes of
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RAM. There are four 4K banks, accessible by read/write to $1FF6 - $1FF9.
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RAM read port is $1080 - $10FF, write port is $1000 - $107F.
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@author Bradford W. Mott, Thomas Jentzsch
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*/
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class CartridgeF6SC : public CartridgeF6
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{
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friend class CartridgeF6SCWidget;
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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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@param bsSize The size specified by the bankswitching scheme
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*/
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CartridgeF6SC(const ByteBuffer& image, size_t size, const string& md5,
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const Settings& settings, size_t bsSize = 16_KB);
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virtual ~CartridgeF6SC() = default;
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public:
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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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*/
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string name() const override { return "CartridgeF6SC"; }
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#ifdef DEBUGGER_SUPPORT
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/**
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Get debugger widget responsible for accessing the inner workings
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of the cart.
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*/
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CartDebugWidget* debugWidget(GuiObject* boss, const GUI::Font& lfont,
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const GUI::Font& nfont, int x, int y, int w, int h) override
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{
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return new CartridgeF6SCWidget(boss, lfont, nfont, x, y, w, h, *this);
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}
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#endif
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private:
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// RAM size
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static constexpr size_t RAM_SIZE = 0x80;
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// RAM mask
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static constexpr uInt16 RAM_MASK = RAM_SIZE - 1;
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private:
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// Following constructors and assignment operators not supported
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CartridgeF6SC() = delete;
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CartridgeF6SC(const CartridgeF6SC&) = delete;
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CartridgeF6SC(CartridgeF6SC&&) = delete;
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CartridgeF6SC& operator=(const CartridgeF6SC&) = delete;
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CartridgeF6SC& operator=(CartridgeF6SC&&) = delete;
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};
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#endif
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