mirror of
https://github.com/AppleWin/AppleWin.git
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a4bae75d2a
-memclear 0 Initialize memory to zero
-memclear 1 Initialize memory to random values
-memclear 2 Initialize memory to 4 byte pattern: FF FF 00 00
-memclear 3 Initialize memory to even pages FF, odd pages 00
-memclear 4 Initialize memory to first half page 00, last half page FF
-memclear 5 Initialize memory to first half page FF, last half page 00
-memclear 6 Initialize memory to byte offset of page
(current memory address low byte)
-memclear 7 Initialize memory to page address
(current memory address high byte)
63 lines
1.9 KiB
C
63 lines
1.9 KiB
C
#pragma once
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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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extern MemoryInitPattern_e g_eMemoryInitPattern;
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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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#ifdef RAMWORKS
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extern UINT g_uMaxExPages; // user requested ram pages (from cmd line)
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#endif
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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 MemGet80Store();
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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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void MemInitialize ();
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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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BYTE MemReturnRandomData (BYTE highbit);
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LPVOID MemGetSlotParameters (UINT uSlot);
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DWORD MemGetSnapshot(SS_BaseMemory* pSS);
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DWORD MemSetSnapshot(SS_BaseMemory* pSS);
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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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