mirror of https://github.com/stella-emu/stella.git
refactor CartFA(2).cxx
This commit is contained in:
parent
ecbe14708a
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24ade13e93
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@ -21,235 +21,19 @@
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// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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CartridgeFA::CartridgeFA(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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: CartridgeEnhanced(image, size, md5, settings)
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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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createRomAccessArrays(myImage.size());
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myRamSize = RAM_SIZE;
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}
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// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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void CartridgeFA::reset()
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{
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initializeRAM(myRAM.data(), myRAM.size());
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initializeStartBank(2);
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// Upon reset we switch to the startup bank
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bank(startBank());
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}
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// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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void CartridgeFA::install(System& system)
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{
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mySystem = &system;
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System::PageAccess access(this, System::PageAccessType::READ);
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// Set the page accessing method for the RAM writing pages
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// Map access to this class, since we need to inspect all accesses to
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// check if RWP happens
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access.type = System::PageAccessType::WRITE;
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for(uInt16 addr = 0x1000; addr < 0x1100; addr += System::PAGE_SIZE)
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{
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access.romAccessBase = &myRomAccessBase[addr & 0x00FF];
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access.romPeekCounter = &myRomAccessCounter[addr & 0x00FF];
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access.romPokeCounter = &myRomAccessCounter[(addr & 0x00FF) + myAccessSize];
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mySystem->setPageAccess(addr, access);
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}
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// Set the page accessing method for the RAM reading pages
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access.type = System::PageAccessType::READ;
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for(uInt16 addr = 0x1100; addr < 0x1200; addr += System::PAGE_SIZE)
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{
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access.directPeekBase = &myRAM[addr & 0x00FF];
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access.romAccessBase = &myRomAccessBase[0x100 + (addr & 0x00FF)];
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access.romPeekCounter = &myRomAccessCounter[0x100 + (addr & 0x00FF)];
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access.romPokeCounter = &myRomAccessCounter[0x100 + (addr & 0x00FF) + myAccessSize];
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mySystem->setPageAccess(addr, access);
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}
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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 CartridgeFA::peek(uInt16 address)
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{
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uInt16 peekAddress = address;
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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 current bank to the lower 4k bank
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bank(0);
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break;
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case 0x0FF9:
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// Set the current bank to the middle 4k bank
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bank(1);
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break;
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case 0x0FFA:
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// Set the current bank to the upper 4k bank
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bank(2);
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break;
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default:
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break;
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}
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if(address < 0x0100) // Write port is at 0xF000 - 0xF0FF (256 bytes)
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return peekRAM(myRAM[address], peekAddress);
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else
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return myImage[myBankOffset + address];
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}
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// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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bool CartridgeFA::poke(uInt16 address, uInt8 value)
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bool CartridgeFA::checkSwitchBank(uInt16 address, uInt8)
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{
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// Switch banks if necessary
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switch(address & 0x0FFF)
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if((address >= 0x0FF8) && (address <= 0x0FFA))
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{
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case 0x0FF8:
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// Set the current bank to the lower 4k bank
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bank(0);
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return false;
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case 0x0FF9:
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// Set the current bank to the middle 4k bank
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bank(1);
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return false;
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case 0x0FFA:
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// Set the current bank to the upper 4k bank
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bank(2);
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return false;
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default:
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break;
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}
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if (!(address & 0x100))
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{
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pokeRAM(myRAM[address & 0x00FF], address, value);
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bank(address - 0x0FF8);
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return true;
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}
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else
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{
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// Writing to the read port should be ignored, but trigger a break if option enabled
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uInt8 dummy;
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pokeRAM(dummy, address, value);
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myRamWriteAccess = address;
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return false;
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}
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}
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// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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bool CartridgeFA::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.romAccessBase = &myRomAccessBase[myBankOffset + (addr & 0x0FFF)];
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access.romPeekCounter = &myRomAccessCounter[myBankOffset + (addr & 0x0FFF)];
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access.romPokeCounter = &myRomAccessCounter[myBankOffset + (addr & 0x0FFF) + myAccessSize];
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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 = 0x1200; addr < static_cast<uInt16>(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.romAccessBase = &myRomAccessBase[myBankOffset + (addr & 0x0FFF)];
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access.romPeekCounter = &myRomAccessCounter[myBankOffset + (addr & 0x0FFF)];
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access.romPokeCounter = &myRomAccessCounter[myBankOffset + (addr & 0x0FFF) + myAccessSize];
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mySystem->setPageAccess(addr, access);
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}
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return myBankChanged = true;
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}
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// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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uInt16 CartridgeFA::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 CartridgeFA::bankCount() const
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{
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return 3;
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}
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// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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bool CartridgeFA::patch(uInt16 address, uInt8 value)
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{
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address &= 0x0FFF;
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if(address < 0x0200)
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{
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// Normally, a write to the read port won't do anything
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// However, the patch command is special in that ignores such
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// cart restrictions
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myRAM[address & 0x00FF] = value;
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}
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else
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myImage[myBankOffset + address] = value;
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return myBankChanged = true;
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}
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// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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const uInt8* CartridgeFA::getImage(size_t& size) const
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{
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size = myImage.size();
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return myImage.data();
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}
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// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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bool CartridgeFA::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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out.putByteArray(myRAM.data(), myRAM.size());
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}
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catch(...)
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{
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cerr << "ERROR: CartridgeFA::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 CartridgeFA::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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in.getByteArray(myRAM.data(), myRAM.size());
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}
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catch(...)
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{
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cerr << "ERROR: CartridgeFA::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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@ -21,7 +21,7 @@
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class System;
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#include "bspf.hxx"
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#include "Cart.hxx"
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#include "CartEnhanced.hxx"
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#ifdef DEBUGGER_SUPPORT
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#include "CartFAWidget.hxx"
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#endif
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@ -31,9 +31,9 @@ class System;
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banks, accessible by read/write at $1FF8 - $1FFA, and 256 bytes of RAM.
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RAM read port is $1100 - $11FF, write port is $1000 - $10FF.
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@author Bradford W. Mott
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@author Bradford W. Mott, Thomas Jentzsch
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*/
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class CartridgeFA : public Cartridge
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class CartridgeFA : public CartridgeEnhanced
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{
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friend class CartridgeFAWidget;
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@ -51,71 +51,6 @@ class CartridgeFA : public Cartridge
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virtual ~CartridgeFA() = 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
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@param value The value to place into the address
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@return Success or failure of the patch operation
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*/
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bool patch(uInt16 address, uInt8 value) override;
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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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*/
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const uInt8* getImage(size_t& size) const override;
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/**
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Save the current state of this cart to the given Serializer.
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@param out The Serializer object to use
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@return False on any errors, else true
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*/
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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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@param in The Serializer object to use
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@return False on any errors, else true
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*/
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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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@ -135,32 +70,16 @@ class CartridgeFA : public Cartridge
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}
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#endif
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public:
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/**
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Get the byte at the specified address.
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private:
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bool checkSwitchBank(uInt16 address, uInt8 value = 0) override;
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@return The byte at the specified address
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*/
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uInt8 peek(uInt16 address) override;
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uInt16 hotspot() const override { return 0x1FF8; }
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/**
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Change the byte at the specified address to the given value
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@param address The address where the value should be stored
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@param value The value to be stored at the address
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@return True if the poke changed the device address space, else false
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*/
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bool poke(uInt16 address, uInt8 value) override;
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uInt16 getStartBank() const override { return 2; }
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private:
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// The 12K ROM image of the cartridge
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std::array<uInt8, 12_KB> myImage;
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// The 256 bytes of RAM on the cartridge
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std::array<uInt8, 256> myRAM;
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// Indicates the offset into the ROM image (aligns to current bank)
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uInt16 myBankOffset{0};
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// RAM size
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static constexpr uInt16 RAM_SIZE = 0x100;
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private:
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// Following constructors and assignment operators not supported
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@ -15,308 +15,67 @@
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// this file, and for a DISCLAIMER OF ALL WARRANTIES.
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//============================================================================
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#include "OSystem.hxx"
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#include "Serializer.hxx"
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#include "System.hxx"
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#include "TimerManager.hxx"
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#include "CartFA2.hxx"
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// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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CartridgeFA2::CartridgeFA2(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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: CartridgeFA(image, size, md5, settings)
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{
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// 29/32K version of FA2 has valid data @ 1K - 29K
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const uInt8* img_ptr = image.get();
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if(size >= 29_KB)
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{
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img_ptr += 1_KB;
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else if(size < mySize)
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mySize = size;
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mySize = 28_KB;
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}
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// Allocate array for the ROM image
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myImage = make_unique<uInt8[]>(mySize);
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// Copy the ROM image into my buffer
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std::copy_n(img_ptr, mySize, myImage.begin());
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createRomAccessArrays(mySize);
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std::copy_n(image.get(), mySize, myImage.get());
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}
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// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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void CartridgeFA2::reset()
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bool CartridgeFA2::checkSwitchBank(uInt16 address, uInt8)
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{
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initializeRAM(myRAM.data(), myRAM.size());
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initializeStartBank(0);
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// Upon reset we switch to the startup bank
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bank(startBank());
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}
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// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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void CartridgeFA2::install(System& system)
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{
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mySystem = &system;
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System::PageAccess access(this, System::PageAccessType::READ);
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// Set the page accessing method for the RAM writing pages
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// Map access to this class, since we need to inspect all accesses to
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// check if RWP happens
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access.type = System::PageAccessType::WRITE;
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for(uInt16 addr = 0x1000; addr < 0x1100; addr += System::PAGE_SIZE)
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// Switch banks if necessary
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if((address >= 0x0FF5) && (address <= 0x0FFB))
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{
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access.romAccessBase = &myRomAccessBase[addr & 0x00FF];
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access.romPeekCounter = &myRomAccessCounter[addr & 0x00FF];
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access.romPokeCounter = &myRomAccessCounter[(addr & 0x00FF) + myAccessSize];
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mySystem->setPageAccess(addr, access);
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bank(address - 0x0FF5);
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return true;
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}
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// Set the page accessing method for the RAM reading pages
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access.directPokeBase = nullptr;
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access.type = System::PageAccessType::READ;
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for(uInt16 addr = 0x1100; addr < 0x1200; addr += System::PAGE_SIZE)
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{
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access.directPeekBase = &myRAM[addr & 0x00FF];
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access.romAccessBase = &myRomAccessBase[0x100 + (addr & 0x00FF)];
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access.romPeekCounter = &myRomAccessCounter[0x100 + (addr & 0x00FF)];
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access.romPokeCounter = &myRomAccessCounter[0x100 + (addr & 0x00FF) + myAccessSize];
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mySystem->setPageAccess(addr, access);
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}
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// Install pages for the startup bank
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bank(startBank());
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return false;
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}
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// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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uInt8 CartridgeFA2::peek(uInt16 address)
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{
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uInt16 peekAddress = address;
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address &= 0x0FFF;
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// Switch banks if necessary
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switch(address)
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if((address & 0x0FFF) == 0x0FF4)
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{
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case 0x0FF4:
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// Load/save RAM to/from Harmony cart flash
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if(mySize == 28_KB && !bankLocked())
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return ramReadWrite();
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break;
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case 0x0FF5:
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// Set the current bank to the first 4k bank
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bank(0);
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break;
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case 0x0FF6:
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// Set the current bank to the second 4k bank
|
||||
bank(1);
|
||||
break;
|
||||
|
||||
case 0x0FF7:
|
||||
// Set the current bank to the third 4k bank
|
||||
bank(2);
|
||||
break;
|
||||
|
||||
case 0x0FF8:
|
||||
// Set the current bank to the fourth 4k bank
|
||||
bank(3);
|
||||
break;
|
||||
|
||||
case 0x0FF9:
|
||||
// Set the current bank to the fifth 4k bank
|
||||
bank(4);
|
||||
break;
|
||||
|
||||
case 0x0FFA:
|
||||
// Set the current bank to the sixth 4k bank
|
||||
bank(5);
|
||||
break;
|
||||
|
||||
case 0x0FFB:
|
||||
// Set the current bank to the seventh 4k bank
|
||||
// This is only available on 28K ROMs
|
||||
if(mySize == 28_KB) bank(6);
|
||||
break;
|
||||
|
||||
default:
|
||||
break;
|
||||
}
|
||||
|
||||
if(address < 0x0100) // Write port is at 0xF000 - 0xF0FF (256 bytes)
|
||||
return peekRAM(myRAM[address], peekAddress);
|
||||
else
|
||||
return myImage[myBankOffset + address];
|
||||
return CartridgeEnhanced::peek(address);
|
||||
}
|
||||
|
||||
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
|
||||
bool CartridgeFA2::poke(uInt16 address, uInt8 value)
|
||||
{
|
||||
// Switch banks if necessary
|
||||
switch(address & 0x0FFF)
|
||||
if((address & 0x0FFF) == 0x0FF4)
|
||||
{
|
||||
case 0x0FF4:
|
||||
// Load/save RAM to/from Harmony cart flash
|
||||
if(mySize == 28_KB && !bankLocked())
|
||||
ramReadWrite();
|
||||
return false;
|
||||
|
||||
case 0x0FF5:
|
||||
// Set the current bank to the first 4k bank
|
||||
bank(0);
|
||||
return false;
|
||||
|
||||
case 0x0FF6:
|
||||
// Set the current bank to the second 4k bank
|
||||
bank(1);
|
||||
return false;
|
||||
|
||||
case 0x0FF7:
|
||||
// Set the current bank to the third 4k bank
|
||||
bank(2);
|
||||
return false;
|
||||
|
||||
case 0x0FF8:
|
||||
// Set the current bank to the fourth 4k bank
|
||||
bank(3);
|
||||
return false;
|
||||
|
||||
case 0x0FF9:
|
||||
// Set the current bank to the fifth 4k bank
|
||||
bank(4);
|
||||
return false;
|
||||
|
||||
case 0x0FFA:
|
||||
// Set the current bank to the sixth 4k bank
|
||||
bank(5);
|
||||
return false;
|
||||
|
||||
case 0x0FFB:
|
||||
// Set the current bank to the seventh 4k bank
|
||||
// This is only available on 28K ROMs
|
||||
if(mySize == 28_KB) bank(6);
|
||||
return false;
|
||||
|
||||
default:
|
||||
break;
|
||||
}
|
||||
|
||||
if(!(address & 0x100))
|
||||
{
|
||||
pokeRAM(myRAM[address & 0x00FF], address, value);
|
||||
return true;
|
||||
}
|
||||
else
|
||||
{
|
||||
// Writing to the read port should be ignored, but trigger a break if option enabled
|
||||
uInt8 dummy;
|
||||
|
||||
pokeRAM(dummy, address, value);
|
||||
myRamWriteAccess = address;
|
||||
return false;
|
||||
}
|
||||
}
|
||||
|
||||
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
|
||||
bool CartridgeFA2::bank(uInt16 bank)
|
||||
{
|
||||
if(bankLocked()) return false;
|
||||
|
||||
// Remember what bank we're in
|
||||
myBankOffset = bank << 12;
|
||||
|
||||
System::PageAccess access(this, System::PageAccessType::READ);
|
||||
|
||||
// Set the page accessing methods for the hot spots
|
||||
for(uInt16 addr = (0x1FF4 & ~System::PAGE_MASK); addr < 0x2000;
|
||||
addr += System::PAGE_SIZE)
|
||||
{
|
||||
access.romAccessBase = &myRomAccessBase[myBankOffset + (addr & 0x0FFF)];
|
||||
access.romPeekCounter = &myRomAccessCounter[myBankOffset + (addr & 0x0FFF)];
|
||||
access.romPokeCounter = &myRomAccessCounter[myBankOffset + (addr & 0x0FFF) + myAccessSize];
|
||||
mySystem->setPageAccess(addr, access);
|
||||
}
|
||||
|
||||
// Setup the page access methods for the current bank
|
||||
for(uInt16 addr = 0x1200; addr < static_cast<uInt16>(0x1FF4U & ~System::PAGE_MASK);
|
||||
addr += System::PAGE_SIZE)
|
||||
{
|
||||
access.directPeekBase = &myImage[myBankOffset + (addr & 0x0FFF)];
|
||||
access.romAccessBase = &myRomAccessBase[myBankOffset + (addr & 0x0FFF)];
|
||||
access.romPeekCounter = &myRomAccessCounter[myBankOffset + (addr & 0x0FFF)];
|
||||
access.romPokeCounter = &myRomAccessCounter[myBankOffset + (addr & 0x0FFF) + myAccessSize];
|
||||
mySystem->setPageAccess(addr, access);
|
||||
}
|
||||
return myBankChanged = true;
|
||||
}
|
||||
|
||||
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
|
||||
uInt16 CartridgeFA2::getBank(uInt16) const
|
||||
{
|
||||
return myBankOffset >> 12;
|
||||
}
|
||||
|
||||
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
|
||||
uInt16 CartridgeFA2::bankCount() const
|
||||
{
|
||||
return uInt16(mySize / 4_KB);
|
||||
}
|
||||
|
||||
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
|
||||
bool CartridgeFA2::patch(uInt16 address, uInt8 value)
|
||||
{
|
||||
address &= 0x0FFF;
|
||||
|
||||
if(address < 0x0200)
|
||||
{
|
||||
// Normally, a write to the read port won't do anything
|
||||
// However, the patch command is special in that ignores such
|
||||
// cart restrictions
|
||||
myRAM[address & 0x00FF] = value;
|
||||
}
|
||||
else
|
||||
myImage[myBankOffset + address] = value;
|
||||
|
||||
return myBankChanged = true;
|
||||
}
|
||||
|
||||
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
|
||||
const uInt8* CartridgeFA2::getImage(size_t& size) const
|
||||
{
|
||||
size = mySize;
|
||||
return myImage.data();
|
||||
}
|
||||
|
||||
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
|
||||
bool CartridgeFA2::save(Serializer& out) const
|
||||
{
|
||||
try
|
||||
{
|
||||
out.putShort(myBankOffset);
|
||||
out.putByteArray(myRAM.data(), myRAM.size());
|
||||
}
|
||||
catch(...)
|
||||
{
|
||||
cerr << "ERROR: CartridgeFA2::save" << endl;
|
||||
return false;
|
||||
}
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
|
||||
bool CartridgeFA2::load(Serializer& in)
|
||||
{
|
||||
try
|
||||
{
|
||||
myBankOffset = in.getShort();
|
||||
in.getByteArray(myRAM.data(), myRAM.size());
|
||||
}
|
||||
catch(...)
|
||||
{
|
||||
cerr << "ERROR: CartridgeFA2::load" << endl;
|
||||
return false;
|
||||
}
|
||||
|
||||
// Remember what bank we were in
|
||||
bank(myBankOffset >> 12);
|
||||
|
||||
return true;
|
||||
return CartridgeEnhanced::poke(address, value);
|
||||
}
|
||||
|
||||
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
|
||||
|
@ -361,11 +120,11 @@ uInt8 CartridgeFA2::ramReadWrite()
|
|||
{
|
||||
try
|
||||
{
|
||||
serializer.getByteArray(myRAM.data(), myRAM.size());
|
||||
serializer.getByteArray(myRAM.get(), myRamSize);
|
||||
}
|
||||
catch(...)
|
||||
{
|
||||
myRAM.fill(0);
|
||||
std::fill_n(myRAM.get(), myRamSize, 0);
|
||||
}
|
||||
myRamAccessTimeout += 500; // Add 0.5 ms delay for read
|
||||
}
|
||||
|
@ -373,7 +132,7 @@ uInt8 CartridgeFA2::ramReadWrite()
|
|||
{
|
||||
try
|
||||
{
|
||||
serializer.putByteArray(myRAM.data(), myRAM.size());
|
||||
serializer.putByteArray(myRAM.get(), myRamSize);
|
||||
}
|
||||
catch(...)
|
||||
{
|
||||
|
@ -384,7 +143,7 @@ uInt8 CartridgeFA2::ramReadWrite()
|
|||
}
|
||||
}
|
||||
// Bit 6 is 1, busy
|
||||
return myImage[myBankOffset + 0xFF4] | 0x40;
|
||||
return myImage[myCurrentSegOffset[0] + 0xFF4] | 0x40;
|
||||
}
|
||||
else
|
||||
{
|
||||
|
@ -395,11 +154,11 @@ uInt8 CartridgeFA2::ramReadWrite()
|
|||
myRAM[255] = 0; // Successful operation
|
||||
|
||||
// Bit 6 is 0, ready/success
|
||||
return myImage[myBankOffset + 0xFF4] & ~0x40;
|
||||
return myImage[myCurrentSegOffset[0] + 0xFF4] & ~0x40;
|
||||
}
|
||||
else
|
||||
// Bit 6 is 1, busy
|
||||
return myImage[myBankOffset + 0xFF4] | 0x40;
|
||||
return myImage[myCurrentSegOffset[0] + 0xFF4] | 0x40;
|
||||
}
|
||||
}
|
||||
|
||||
|
@ -424,18 +183,18 @@ void CartridgeFA2::flash(uInt8 operation)
|
|||
{
|
||||
try
|
||||
{
|
||||
serializer.getByteArray(myRAM.data(), myRAM.size());
|
||||
serializer.getByteArray(myRAM.get(), myRamSize);
|
||||
}
|
||||
catch(...)
|
||||
{
|
||||
myRAM.fill(0);
|
||||
std::fill_n(myRAM.get(), myRamSize, 0);
|
||||
}
|
||||
}
|
||||
else if(operation == 2) // write
|
||||
{
|
||||
try
|
||||
{
|
||||
serializer.putByteArray(myRAM.data(), myRAM.size());
|
||||
serializer.putByteArray(myRAM.get(), myRamSize);
|
||||
}
|
||||
catch(...)
|
||||
{
|
||||
|
|
|
@ -21,7 +21,7 @@
|
|||
class System;
|
||||
|
||||
#include "bspf.hxx"
|
||||
#include "Cart.hxx"
|
||||
#include "CartFA.hxx"
|
||||
#ifdef DEBUGGER_SUPPORT
|
||||
#include "CartFA2Widget.hxx"
|
||||
#endif
|
||||
|
@ -43,9 +43,9 @@ class System;
|
|||
by the emulator. Also supported is a 32K variant. In any event, only
|
||||
data at 1K - 29K of the ROM is used.
|
||||
|
||||
@author Chris D. Walton
|
||||
@author Chris D. Walton, Thomas Jentzsch
|
||||
*/
|
||||
class CartridgeFA2 : public Cartridge
|
||||
class CartridgeFA2 : public CartridgeFA
|
||||
{
|
||||
friend class CartridgeFA2Widget;
|
||||
|
||||
|
@ -63,71 +63,6 @@ class CartridgeFA2 : public Cartridge
|
|||
virtual ~CartridgeFA2() = default;
|
||||
|
||||
public:
|
||||
/**
|
||||
Reset device to its power-on state
|
||||
*/
|
||||
void reset() override;
|
||||
|
||||
/**
|
||||
Install cartridge in the specified system. Invoked by the system
|
||||
when the cartridge is attached to it.
|
||||
|
||||
@param system The system the device should install itself in
|
||||
*/
|
||||
void install(System& system) override;
|
||||
|
||||
/**
|
||||
Install pages for the specified bank in the system.
|
||||
|
||||
@param bank The bank that should be installed in the system
|
||||
*/
|
||||
bool bank(uInt16 bank) override;
|
||||
|
||||
/**
|
||||
Get the current bank.
|
||||
|
||||
@param address The address to use when querying the bank
|
||||
*/
|
||||
uInt16 getBank(uInt16 address = 0) const override;
|
||||
|
||||
/**
|
||||
Query the number of banks supported by the cartridge.
|
||||
*/
|
||||
uInt16 bankCount() const override;
|
||||
|
||||
/**
|
||||
Patch the cartridge ROM.
|
||||
|
||||
@param address The ROM address to patch
|
||||
@param value The value to place into the address
|
||||
@return Success or failure of the patch operation
|
||||
*/
|
||||
bool patch(uInt16 address, uInt8 value) override;
|
||||
|
||||
/**
|
||||
Access the internal ROM image for this cartridge.
|
||||
|
||||
@param size Set to the size of the internal ROM image data
|
||||
@return A pointer to the internal ROM image data
|
||||
*/
|
||||
const uInt8* getImage(size_t& size) const override;
|
||||
|
||||
/**
|
||||
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
|
||||
*/
|
||||
bool save(Serializer& out) const override;
|
||||
|
||||
/**
|
||||
Load the current state of this cart from the given Serializer.
|
||||
|
||||
@param in The Serializer object to use
|
||||
@return False on any errors, else true
|
||||
*/
|
||||
bool load(Serializer& in) override;
|
||||
|
||||
/**
|
||||
Get a descriptor for the device name (used in error checking).
|
||||
|
||||
|
@ -173,6 +108,12 @@ class CartridgeFA2 : public Cartridge
|
|||
bool poke(uInt16 address, uInt8 value) override;
|
||||
|
||||
private:
|
||||
bool checkSwitchBank(uInt16 address, uInt8 value = 0) override;
|
||||
|
||||
uInt16 hotspot() const override { return 0x1FF4; }
|
||||
|
||||
uInt16 getStartBank() const override { return 0; }
|
||||
|
||||
/**
|
||||
Either load or save internal RAM to Harmony flash (represented by
|
||||
a file in emulation).
|
||||
|
@ -192,15 +133,6 @@ class CartridgeFA2 : public Cartridge
|
|||
void flash(uInt8 operation);
|
||||
|
||||
private:
|
||||
// The 24K/28K ROM image of the cartridge
|
||||
std::array<uInt8, 28_KB> myImage;
|
||||
|
||||
// Actual usable size of the ROM image
|
||||
size_t mySize{28_KB};
|
||||
|
||||
// The 256 bytes of RAM on the cartridge
|
||||
std::array<uInt8, 256> myRAM;
|
||||
|
||||
// The time after which the first request of a load/save operation
|
||||
// will actually be completed
|
||||
// Due to flash RAM constraints, a read/write isn't instantaneous,
|
||||
|
@ -211,9 +143,6 @@ class CartridgeFA2 : public Cartridge
|
|||
// of internal RAM to Harmony cart flash
|
||||
string myFlashFile;
|
||||
|
||||
// Indicates the offset into the ROM image (aligns to current bank)
|
||||
uInt16 myBankOffset{0};
|
||||
|
||||
private:
|
||||
// Following constructors and assignment operators not supported
|
||||
CartridgeFA2() = delete;
|
||||
|
|
Loading…
Reference in New Issue