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106 lines
3.0 KiB
C++
106 lines
3.0 KiB
C++
#pragma once
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#include "Card.h"
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//
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// Language Card (base unit) for Apple //e and above
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//
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class LanguageCardUnit : public Card
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{
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public:
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// in modern C++ this could be a 2nd constructor
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static LanguageCardUnit * create(UINT slot);
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virtual ~LanguageCardUnit(void);
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virtual void Init(void) {}
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virtual void Reset(const bool powerCycle) {}
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virtual void Update(const ULONG nExecutedCycles) {}
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virtual void InitializeIO(LPBYTE pCxRomPeripheral);
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virtual UINT GetActiveBank(void) { return 0; } // Always 0 as only 1x 16K bank
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virtual void SaveSnapshot(YamlSaveHelper& yamlSaveHelper) { } // A no-op for //e - called from CardManager::SaveSnapshot()
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virtual bool LoadSnapshot(YamlLoadHelper& yamlLoadHelper, UINT version) { _ASSERT(0); return false; } // Not used for //e
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BOOL GetLastRamWrite(void) { return m_uLastRamWrite; }
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void SetLastRamWrite(BOOL count) { m_uLastRamWrite = count; }
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SS_CARDTYPE GetMemoryType(void) { return QueryType(); }
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bool IsOpcodeRMWabs(WORD addr);
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static BYTE __stdcall IO(WORD PC, WORD uAddr, BYTE bWrite, BYTE uValue, ULONG nExecutedCycles);
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static const UINT kMemModeInitialState;
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static const UINT kSlot0 = SLOT0;
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protected:
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LanguageCardUnit(SS_CARDTYPE type, UINT slot);
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private:
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UINT m_uLastRamWrite;
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};
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//
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// Language Card (slot-0) for Apple II or II+
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//
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class LanguageCardSlot0 : public LanguageCardUnit
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{
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public:
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// in modern C++ this could be a 2nd constructor
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static LanguageCardSlot0 * create(UINT slot);
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virtual ~LanguageCardSlot0(void);
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virtual void SaveSnapshot(YamlSaveHelper& yamlSaveHelper);
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virtual bool LoadSnapshot(YamlLoadHelper& yamlLoadHelper, UINT version);
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static const UINT kMemBankSize = 16*1024;
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static std::string GetSnapshotCardName(void);
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protected:
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LanguageCardSlot0(SS_CARDTYPE type, UINT slot);
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void SaveLCState(class YamlSaveHelper& yamlSaveHelper);
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void LoadLCState(class YamlLoadHelper& yamlLoadHelper);
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LPBYTE m_pMemory;
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private:
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std::string GetSnapshotMemStructName(void);
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};
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//
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// Saturn 128K
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//
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class Saturn128K : public LanguageCardSlot0
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{
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public:
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Saturn128K(UINT slot, UINT banks);
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virtual ~Saturn128K(void);
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virtual void InitializeIO(LPBYTE pCxRomPeripheral);
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virtual UINT GetActiveBank(void);
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virtual void SaveSnapshot(YamlSaveHelper& yamlSaveHelper);
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virtual bool LoadSnapshot(YamlLoadHelper& yamlLoadHelper, UINT version);
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static UINT GetSaturnMemorySize();
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static void SetSaturnMemorySize(UINT banks);
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static BYTE __stdcall IO(WORD PC, WORD uAddr, BYTE bWrite, BYTE uValue, ULONG nExecutedCycles);
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// "The boards consist of 16K banks of memory (4 banks for the 64K board, 8 banks for the 128K), accessed one at a time" - Ref: "64K/128K RAM BOARD", Saturn Systems, Ch.1 Introduction(pg-5)
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static const UINT kMaxSaturnBanks = 8; // 8 * 16K = 128K
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static std::string GetSnapshotCardName(void);
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private:
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std::string GetSnapshotMemStructName(void);
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static UINT g_uSaturnBanksFromCmdLine;
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UINT m_uSaturnTotalBanks; // Will be > 0 if Saturn card is installed
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UINT m_uSaturnActiveBank; // Saturn 128K Language Card Bank 0 .. 7
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LPBYTE m_aSaturnBanks[kMaxSaturnBanks];
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};
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