AppleWin/source/Memory.h
tomcw 3a2313c52e Debugger:
. Improved break on FB or IO: account for slot empty (or not) & if expansion ROM enable
Memory:
. IORead_Cxxx(): Fix for Apple II support for when slot-3 is empty
. Apple II type was erroneously testing //e soft-switches
2017-03-10 22:00:01 +00:00

69 lines
2.4 KiB
C++

#pragma once
enum
{
// Note: All are in bytes!
APPLE_SLOT_SIZE = 0x0100, // 1 page = $Cx00 .. $CxFF (slot 1 .. 7)
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 //
};
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
};
extern iofunction IORead[256];
extern iofunction IOWrite[256];
extern LPBYTE memwrite[0x100];
extern LPBYTE mem;
extern LPBYTE memdirty;
#ifdef RAMWORKS
const UINT kMaxExMemoryBanks = 127; // 127 * aux mem(64K) + main mem(64K) = 8MB
extern UINT g_uMaxExPages; // user requested ram pages (from cmd line)
#endif
void RegisterIoHandler(UINT uSlot, iofunction IOReadC0, iofunction IOWriteC0, iofunction IOReadCx, iofunction IOWriteCx, LPVOID lpSlotParameter, BYTE* pExpansionRom);
void MemDestroy ();
bool MemCheckSLOTCXROM();
LPBYTE MemGetAuxPtr(const WORD);
LPBYTE MemGetMainPtr(const WORD);
LPBYTE MemGetBankPtr(const UINT nBank);
LPBYTE MemGetCxRomPeripheral();
bool MemIsAddrCodeMemory(const USHORT addr);
void MemInitialize ();
void MemInitializeROM(void);
void MemInitializeCustomF8ROM(void);
void MemInitializeIO(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 MemSetSnapshot_v1(const DWORD MemMode, const BOOL LastWriteRam, const BYTE* const pMemMain, const BYTE* const pMemAux);
std::string MemGetSnapshotUnitAuxSlotName(void);
void MemSaveSnapshot(class YamlSaveHelper& yamlSaveHelper);
bool MemLoadSnapshot(class YamlLoadHelper& yamlLoadHelper);
void MemSaveSnapshotAux(class YamlSaveHelper& yamlSaveHelper);
bool MemLoadSnapshotAux(class YamlLoadHelper& yamlLoadHelper, UINT version);
BYTE __stdcall IO_Null(WORD programcounter, WORD address, BYTE write, BYTE value, ULONG nCycles);
BYTE __stdcall MemCheckPaging (WORD pc, WORD addr, BYTE bWrite, BYTE d, ULONG nCyclesLeft);
BYTE __stdcall MemSetPaging(WORD pc, WORD addr, BYTE bWrite, BYTE d, ULONG nCyclesLeft);