kopia lustrzana https://github.com/Jean-MarcHarvengt/MCUME
61 wiersze
1.8 KiB
C++
61 wiersze
1.8 KiB
C++
//
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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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// Generic Lynx base class.
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//
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#ifndef LYNXBASE_H
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#define LYNXBASE_H
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// bank0 - Cartridge bank 0
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// bank1 - Cartridge bank 1
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// ram - all ram
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// cpu - system memory as viewed by the cpu
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enum EMMODE {bank0,bank1,ram,cpu};
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class CLynxBase
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{
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// Function members
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public:
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virtual ~CLynxBase() {};
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public:
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virtual void Reset(void) {};
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virtual bool ContextLoad(FILE *fp) { return 0; };
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virtual bool ContextSave(FILE *fp) { return 0; };
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virtual void Poke(ULONG addr,UBYTE data)=0;
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virtual UBYTE Peek(ULONG addr)=0;
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virtual void PokeW(ULONG addr,UWORD data) {}; // ONLY mSystem overloads these, they are never use by the clients
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virtual UWORD PeekW(ULONG addr) {return 0;};
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virtual void BankSelect(EMMODE newbank){};
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virtual ULONG ObjectSize(void) {return 1;};
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virtual ULONG ReadCycle(void) {return 5;};
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virtual ULONG WriteCycle(void) {return 5;};
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};
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#endif
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