2014-09-15 20:12:11 +00:00
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//
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// Copyright (c) 2004 K. Wilkins
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//
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// This software is provided 'as-is', without any express or implied warranty.
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// In no event will the authors be held liable for any damages arising from
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// the use of this software.
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//
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// Permission is granted to anyone to use this software for any purpose,
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// including commercial applications, and to alter it and redistribute it
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// freely, subject to the following restrictions:
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//
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// 1. The origin of this software must not be misrepresented; you must not
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// claim that you wrote the original software. If you use this software
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// in a product, an acknowledgment in the product documentation would be
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// appreciated but is not required.
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//
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// 2. Altered source versions must be plainly marked as such, and must not
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// be misrepresented as being the original software.
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//
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// 3. This notice may not be removed or altered from any source distribution.
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//
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//////////////////////////////////////////////////////////////////////////////
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// Handy - An Atari Lynx Emulator //
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// Copyright (c) 1996,1997 //
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// K. Wilkins //
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//////////////////////////////////////////////////////////////////////////////
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// RAM object header file //
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//////////////////////////////////////////////////////////////////////////////
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// //
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// This header file provides the interface definition for the RAM class //
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// that emulates the Handy system RAM (64K) //
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// //
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// K. Wilkins //
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// August 1997 //
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// //
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//////////////////////////////////////////////////////////////////////////////
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// Revision History: //
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// ----------------- //
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// //
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// 01Aug1997 KW Document header added & class documented. //
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// //
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//////////////////////////////////////////////////////////////////////////////
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#ifndef RAM_H
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#define RAM_H
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#define RAM_SIZE 65536
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#define RAM_ADDR_MASK 0xffff
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#define DEFAULT_RAM_CONTENTS 0xff
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2014-09-29 18:46:55 +00:00
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/*
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2014-09-15 20:12:11 +00:00
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struct HOME_HEADER
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{
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uint16 jump;
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uint16 load_address;
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uint16 size;
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uint8 magic[4];
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};
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2014-09-29 18:46:55 +00:00
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*/
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2014-09-15 20:12:11 +00:00
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class CRam : public CLynxBase
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{
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// Function members
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public:
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CRam() MDFN_COLD;
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~CRam() MDFN_COLD;
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public:
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void Reset(void) MDFN_COLD;
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void Poke(uint32 addr, uint8 data){ mRamData[addr]=data;};
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uint8 Peek(uint32 addr){ return(mRamData[addr]);};
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uint32 ReadCycle(void) {return 5;};
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uint32 WriteCycle(void) {return 5;};
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uint32 ObjectSize(void) {return RAM_SIZE;};
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uint8* GetRamPointer(void) { return mRamData; };
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2014-09-29 20:13:26 +00:00
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template<bool isReader>void SyncState(NewState *ns);
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2014-09-15 20:12:11 +00:00
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// Data members
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private:
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uint8 mRamData[RAM_SIZE];
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};
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#endif
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