AppleWin/source/Memory.h
tomcw af814347f0 Support AN3 for IIe (#1018)
(Fix IOUDIS for IIc - $C07E/F was backwards)
2022-01-15 18:01:41 +00:00

121 lines
4.3 KiB
C++

#pragma once
#include "Common.h"
#include "Card.h"
// Memory Flag
#define MF_80STORE 0x00000001
#define MF_ALTZP 0x00000002
#define MF_AUXREAD 0x00000004 // RAMRD
#define MF_AUXWRITE 0x00000008 // RAMWRT
#define MF_BANK2 0x00000010 // Language Card Bank 2 $D000..$DFFF
#define MF_HIGHRAM 0x00000020 // Language Card RAM is active $D000..$DFFF
#define MF_HIRES 0x00000040
#define MF_PAGE2 0x00000080
#define MF_SLOTC3ROM 0x00000100
#define MF_INTCXROM 0x00000200
#define MF_WRITERAM 0x00000400 // Language Card RAM is Write Enabled
#define MF_IOUDIS 0x00000800 // Disable IOU access for addresses $C058 to $C05F; enable access to DHIRES switch (0=on) (//c only)
#define MF_ALTROM0 0x00001000 // Use alternate ROM for $D000 to $FFFF. Two bits for up to 4 pages
#define MF_ALTROM1 0x00002000 // Use alternate ROM, second bit to have four pages
#define MF_IMAGEMASK 0x000003F7
#define MF_LANGCARD_MASK (MF_WRITERAM|MF_HIGHRAM|MF_BANK2)
enum
{
// Note: All are in bytes!
TEXT_PAGE1_BEGIN = 0x0400,
APPLE_SLOT_SIZE = 0x0100, // 1 page = $Cx00 .. $CxFF (slot 1 .. 7)
APPLE_IO_BEGIN = 0xC000,
APPLE_SLOT_BEGIN = 0xC100, // each slot has 1 page reserved for it
APPLE_SLOT_END = 0xC7FF, //
FIRMWARE_EXPANSION_SIZE = 0x0800, // 8 pages = $C800 .. $CFFF
FIRMWARE_EXPANSION_BEGIN = 0xC800, // [C800,CFFF)
FIRMWARE_EXPANSION_END = 0xCFFF, //
MEMORY_LENGTH = 0x10000
};
enum MemoryInitPattern_e
{
MIP_ZERO
, MIP_RANDOM
, MIP_FF_FF_00_00
, MIP_FF_00_FULL_PAGE
, MIP_00_FF_HALF_PAGE
, MIP_FF_00_HALF_PAGE
, MIP_PAGE_ADDRESS_LOW
, MIP_PAGE_ADDRESS_HIGH
, NUM_MIP
};
typedef BYTE (__stdcall *iofunction)(WORD nPC, WORD nAddr, BYTE nWriteFlag, BYTE nWriteValue, ULONG nExecutedCycles);
extern iofunction IORead[256];
extern iofunction IOWrite[256];
extern LPBYTE memwrite[0x100];
extern LPBYTE mem;
extern LPBYTE memdirty;
extern LPBYTE memVidHD;
#ifdef RAMWORKS
const UINT kMaxExMemoryBanks = 127; // 127 * aux mem(64K) + main mem(64K) = 8MB
#endif
void RegisterIoHandler(UINT uSlot, iofunction IOReadC0, iofunction IOWriteC0, iofunction IOReadCx, iofunction IOWriteCx, LPVOID lpSlotParameter, BYTE* pExpansionRom);
void UnregisterIoHandler(UINT uSlot);
void MemDestroy ();
bool MemCheckSLOTC3ROM();
bool MemCheckINTCXROM();
LPBYTE MemGetAuxPtr(const WORD);
LPBYTE MemGetMainPtr(const WORD);
LPBYTE MemGetBankPtr(const UINT nBank);
LPBYTE MemGetCxRomPeripheral();
DWORD GetMemMode(void);
void SetMemMode(DWORD memmode);
bool MemOptimizeForModeChanging(WORD programcounter, WORD address);
bool MemIsAddrCodeMemory(const USHORT addr);
void MemInitialize ();
void MemInitializeROM(void);
void MemInitializeCustomROM(void);
void MemInitializeCustomF8ROM(void);
void MemInitializeIO(void);
void MemInitializeFromSnapshot(void);
BYTE MemReadFloatingBus(const ULONG uExecutedCycles);
BYTE MemReadFloatingBus(const BYTE highbit, const ULONG uExecutedCycles);
void MemReset ();
void MemResetPaging ();
void MemUpdatePaging(BOOL initialize);
LPVOID MemGetSlotParameters (UINT uSlot);
void MemAnnunciatorReset(void);
bool MemGetAnnunciator(UINT annunciator);
bool MemHasNoSlotClock(void);
void MemInsertNoSlotClock(void);
void MemRemoveNoSlotClock(void);
std::string MemGetSnapshotUnitAuxSlotName(void);
void MemSaveSnapshot(class YamlSaveHelper& yamlSaveHelper);
bool MemLoadSnapshot(class YamlLoadHelper& yamlLoadHelper, UINT unitVersion);
void MemSaveSnapshotAux(class YamlSaveHelper& yamlSaveHelper);
bool MemLoadSnapshotAux(class YamlLoadHelper& yamlLoadHelper, UINT unitVersion);
void NoSlotClockSaveSnapshot(YamlSaveHelper& yamlSaveHelper);
void NoSlotClockLoadSnapshot(YamlLoadHelper& yamlLoadHelper);
BYTE __stdcall IO_Null(WORD programcounter, WORD address, BYTE write, BYTE value, ULONG nCycles);
BYTE __stdcall MemSetPaging(WORD pc, WORD addr, BYTE bWrite, BYTE d, ULONG nExecutedCycles);
BYTE __stdcall IO_F8xx(WORD programcounter, WORD address, BYTE write, BYTE value, ULONG nCycles);
void SetExpansionMemType(const SS_CARDTYPE type);
SS_CARDTYPE GetCurrentExpansionMemType(void);
void SetRamWorksMemorySize(UINT pages);
UINT GetRamWorksActiveBank(void);
void SetMemMainLanguageCard(LPBYTE ptr, bool bMemMain=false);
LPBYTE GetCxRomPeripheral(void);