mirror of
https://github.com/AppleWin/AppleWin.git
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98 lines
3.3 KiB
C++
98 lines
3.3 KiB
C++
#pragma once
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// Memory Flag
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#define MF_80STORE 0x00000001
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#define MF_ALTZP 0x00000002
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#define MF_AUXREAD 0x00000004 // RAMRD
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#define MF_AUXWRITE 0x00000008 // RAMWRT
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#define MF_BANK2 0x00000010 // Language Card Bank 2 $D000..$DFFF
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#define MF_HIGHRAM 0x00000020 // Language Card RAM is active $D000..$DFFF
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#define MF_HIRES 0x00000040
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#define MF_PAGE2 0x00000080
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#define MF_SLOTC3ROM 0x00000100
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#define MF_SLOTCXROM 0x00000200
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#define MF_WRITERAM 0x00000400 // Language Card RAM is Write Enabled
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#define MF_IMAGEMASK 0x000003F7
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enum
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{
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// Note: All are in bytes!
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APPLE_SLOT_SIZE = 0x0100, // 1 page = $Cx00 .. $CxFF (slot 1 .. 7)
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APPLE_SLOT_BEGIN = 0xC100, // each slot has 1 page reserved for it
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APPLE_SLOT_END = 0xC7FF, //
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FIRMWARE_EXPANSION_SIZE = 0x0800, // 8 pages = $C800 .. $CFFF
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FIRMWARE_EXPANSION_BEGIN = 0xC800, // [C800,CFFF)
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FIRMWARE_EXPANSION_END = 0xCFFF //
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};
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enum MemoryInitPattern_e
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{
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MIP_ZERO
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, MIP_RANDOM
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, MIP_FF_FF_00_00
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, MIP_FF_00_FULL_PAGE
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, MIP_00_FF_HALF_PAGE
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, MIP_FF_00_HALF_PAGE
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, MIP_PAGE_ADDRESS_LOW
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, MIP_PAGE_ADDRESS_HIGH
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, NUM_MIP
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};
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enum MemoryType_e
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{
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MEM_TYPE_NATIVE = 0,
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MEM_TYPE_RAMWORKS = 1,
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MEM_TYPE_SATURN = 2,
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NUM_MEM_TYPE = 3
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};
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extern MemoryType_e g_eMemType;
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extern iofunction IORead[256];
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extern iofunction IOWrite[256];
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extern LPBYTE memwrite[0x100];
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extern LPBYTE mem;
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extern LPBYTE memdirty;
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extern DWORD memmode;
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#ifdef RAMWORKS
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const UINT kMaxExMemoryBanks = 127; // 127 * aux mem(64K) + main mem(64K) = 8MB
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extern UINT g_uMaxExPages; // user requested ram pages (from cmd line)
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extern UINT g_uActiveBank;
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#endif
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#ifdef SATURN
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extern UINT g_uSaturnActiveBank; // Saturn 128K Language Card Bank 0 .. 7
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#endif // SATURN
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void RegisterIoHandler(UINT uSlot, iofunction IOReadC0, iofunction IOWriteC0, iofunction IOReadCx, iofunction IOWriteCx, LPVOID lpSlotParameter, BYTE* pExpansionRom);
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void MemDestroy ();
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bool MemCheckSLOTCXROM();
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LPBYTE MemGetAuxPtr(const WORD);
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LPBYTE MemGetMainPtr(const WORD);
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LPBYTE MemGetBankPtr(const UINT nBank);
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LPBYTE MemGetCxRomPeripheral();
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bool MemIsAddrCodeMemory(const USHORT addr);
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void MemInitialize ();
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void MemInitializeROM(void);
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void MemInitializeCustomF8ROM(void);
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void MemInitializeIO(void);
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BYTE MemReadFloatingBus(const ULONG uExecutedCycles);
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BYTE MemReadFloatingBus(const BYTE highbit, const ULONG uExecutedCycles);
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void MemReset ();
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void MemResetPaging ();
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void MemUpdatePaging(BOOL initialize);
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LPVOID MemGetSlotParameters (UINT uSlot);
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void MemSetSnapshot_v1(const DWORD MemMode, const BOOL LastWriteRam, const BYTE* const pMemMain, const BYTE* const pMemAux);
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std::string MemGetSnapshotUnitAuxSlotName(void);
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void MemSaveSnapshot(class YamlSaveHelper& yamlSaveHelper);
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bool MemLoadSnapshot(class YamlLoadHelper& yamlLoadHelper);
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void MemSaveSnapshotAux(class YamlSaveHelper& yamlSaveHelper);
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bool MemLoadSnapshotAux(class YamlLoadHelper& yamlLoadHelper, UINT version);
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BYTE __stdcall IO_Null(WORD programcounter, WORD address, BYTE write, BYTE value, ULONG nCycles);
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BYTE __stdcall MemCheckPaging (WORD pc, WORD addr, BYTE bWrite, BYTE d, ULONG nCyclesLeft);
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BYTE __stdcall MemSetPaging(WORD pc, WORD addr, BYTE bWrite, BYTE d, ULONG nCyclesLeft);
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