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Diffstat (limited to 'SrcShared/Hardware/EmBankSRAM.h')
-rw-r--r-- | SrcShared/Hardware/EmBankSRAM.h | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/SrcShared/Hardware/EmBankSRAM.h b/SrcShared/Hardware/EmBankSRAM.h new file mode 100644 index 0000000..8f5cb23 --- /dev/null +++ b/SrcShared/Hardware/EmBankSRAM.h @@ -0,0 +1,58 @@ +/* -*- mode: C++; tab-width: 4 -*- */ +/* ===================================================================== *\ + Copyright (c) 1998-2001 Palm, Inc. or its subsidiaries. + All rights reserved. + + This file is part of the Palm OS Emulator. + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. +\* ===================================================================== */ + +#ifndef EmBankSRAM_h +#define EmBankSRAM_h + +class SessionFile; + +extern emuptr gMemoryStart; + + // These are also accessed by the DRAMBank functions. +extern uint32 gRAMBank_Size; +extern uint32 gRAMBank_Mask; +extern uint8* gRAM_Memory; +extern uint8* gRAM_MetaMemory; + + +class EmBankSRAM +{ + public: + static void Initialize (RAMSizeType ramSize); + static void Reset (Bool hardwareReset); + static void Save (SessionFile&); + static void Load (SessionFile&); + static void Dispose (void); + + static void SetBankHandlers (void); + + static uint32 GetLong (emuptr address); + static uint32 GetWord (emuptr address); + static uint32 GetByte (emuptr address); + static void SetLong (emuptr address, uint32 value); + static void SetWord (emuptr address, uint32 value); + static void SetByte (emuptr address, uint32 value); + static int ValidAddress (emuptr address, uint32 size); + static uint8* GetRealAddress (emuptr address); + static uint8* GetMetaAddress (emuptr address); + static void AddOpcodeCycles (void); + + static emuptr GetMemoryStart (void) { return gMemoryStart; } + + private: + static void AddressError (emuptr address, long size, Bool forRead); + static void InvalidAccess (emuptr address, long size, Bool forRead); + static void ProtectedAccess (emuptr address, long size, Bool forRead); +}; + +#endif /* EmBankSRAM_h */ |