AppleWin/source/Structs.h

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#pragma once
// Structs used by save-state file
// *** DON'T CHANGE ANY STRUCT WITHOUT CONSIDERING BACKWARDS COMPATIBILITY WITH .AWS FORMAT ***
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#define MAKE_VERSION(a,b,c,d) ((a<<24) | (b<<16) | (c<<8) | (d))
#define AW_SS_TAG 'SSWA' // 'AWSS' = AppleWin SnapShot
typedef struct
{
DWORD dwTag; // "AWSS"
DWORD dwVersion;
DWORD dwChecksum;
} SS_FILE_HDR;
typedef struct
{
DWORD dwLength; // Byte length of this unit struct
DWORD dwVersion;
} SS_UNIT_HDR;
/////////////////////////////////////////////////////////////////////////////////
const UINT nMemMainSize = 64*1024;
const UINT nMemAuxSize = 64*1024;
typedef struct
{
BYTE A;
BYTE X;
BYTE Y;
BYTE P;
BYTE S;
USHORT PC;
unsigned __int64 g_nCumulativeCycles;
// IRQ = OR-sum of all interrupt sources
} SS_CPU6502;
const UINT uRecvBufferSize = 9;
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typedef struct
{
DWORD baudrate;
BYTE bytesize;
BYTE commandbyte;
DWORD comminactivity; // If non-zero then COM port open
BYTE controlbyte;
BYTE parity;
BYTE recvbuffer[uRecvBufferSize];
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DWORD recvbytes;
BYTE stopbits;
} SS_IO_Comms;
typedef struct
{
unsigned __int64 g_nJoyCntrResetCycle;
} SS_IO_Joystick;
typedef struct
{
DWORD keyboardqueries;
BYTE nLastKey;
} SS_IO_Keyboard;
//typedef struct
//{
//} SS_IO_Memory;
typedef struct
{
unsigned __int64 g_nSpkrLastCycle;
} SS_IO_Speaker;
typedef struct
{
bool bAltCharSet; // charoffs
DWORD dwVidMode;
} SS_IO_Video;
typedef struct
{
DWORD dwMemMode;
BOOL bLastWriteRam;
BYTE nMemMain[nMemMainSize];
BYTE nMemAux[nMemAuxSize];
} SS_BaseMemory;
typedef struct
{
SS_UNIT_HDR UnitHdr;
SS_CPU6502 CPU6502;
SS_IO_Comms Comms;
SS_IO_Joystick Joystick;
SS_IO_Keyboard Keyboard;
// SS_IO_Memory Memory;
SS_IO_Speaker Speaker;
SS_IO_Video Video;
SS_BaseMemory Memory;
} SS_APPLE2_Unit;
/////////////////////////////////////////////////////////////////////////////////
typedef struct
{
DWORD dwComputerEmulation;
bool bCustomSpeed;
DWORD dwEmulationSpeed;
bool bEnhancedDiskSpeed;
DWORD dwJoystickType[2];
bool bMockingboardEnabled;
DWORD dwMonochromeColor;
DWORD dwSerialPort;
DWORD dwSoundType; // Sound Emulation
DWORD dwVideoType; // Video Emulation
} SS_AW_CFG;
typedef struct
{
char StartingDir[MAX_PATH];
DWORD dwWindowXpos;
DWORD dwWindowYpos;
} SS_AW_PREFS;
typedef struct
{
SS_UNIT_HDR UnitHdr;
DWORD dwAppleWinVersion;
SS_AW_PREFS Prefs;
SS_AW_CFG Cfg;
} SS_APPLEWIN_CONFIG;
/////////////////////////////////////////////////////////////////////////////////
typedef struct
{
SS_UNIT_HDR UnitHdr;
DWORD dwType; // SS_CARDTYPE
DWORD dwSlot; // [1..7]
} SS_CARD_HDR;
enum SS_CARDTYPE
{
CT_Empty = 0,
CT_Disk2, // Apple Disk][
CT_SSC, // Apple Super Serial Card
CT_Mockingboard,
CT_GenericPrinter,
CT_GenericHDD, // Hard disk
CT_GenericClock,
CT_MouseInterface,
CT_Z80,
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};
/////////////////////////////////////////////////////////////////////////////////
typedef struct
{
SS_CARD_HDR Hdr;
} SS_CARD_EMPTY;
/////////////////////////////////////////////////////////////////////////////////
const UINT NIBBLES_PER_TRACK = 0x1A00;
typedef struct
{
char szFileName[MAX_PATH];
int track;
int phase;
int byte;
BOOL writeprotected;
BOOL trackimagedata;
BOOL trackimagedirty;
DWORD spinning;
DWORD writelight;
int nibbles;
BYTE nTrack[NIBBLES_PER_TRACK];
} DISK2_Unit;
typedef struct
{
SS_CARD_HDR Hdr;
DISK2_Unit Unit[2];
WORD phases;
WORD currdrive;
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BOOL diskaccessed;
BOOL enhancedisk;
BYTE floppylatch;
BOOL floppymotoron;
BOOL floppywritemode;
} SS_CARD_DISK2;
/////////////////////////////////////////////////////////////////////////////////
typedef struct
{
union
{
struct
{
BYTE l;
BYTE h;
};
USHORT w;
};
} IWORD;
typedef struct
{
BYTE ORB; // $00 - Port B
BYTE ORA; // $01 - Port A (with handshaking)
BYTE DDRB; // $02 - Data Direction Register B
BYTE DDRA; // $03 - Data Direction Register A
//
// $04 - Read counter (L) / Write latch (L)
// $05 - Read / Write & initiate count (H)
// $06 - Read / Write & latch (L)
// $07 - Read / Write & latch (H)
// $08 - Read counter (L) / Write latch (L)
// $09 - Read counter (H) / Write latch (H)
IWORD TIMER1_COUNTER;
IWORD TIMER1_LATCH;
IWORD TIMER2_COUNTER;
IWORD TIMER2_LATCH;
//
BYTE SERIAL_SHIFT; // $0A
BYTE ACR; // $0B - Auxiliary Control Register
BYTE PCR; // $0C - Peripheral Control Register
BYTE IFR; // $0D - Interrupt Flag Register
BYTE IER; // $0E - Interrupt Enable Register
BYTE ORA_NO_HS; // $0F - Port A (without handshaking)
} SY6522;
typedef struct
{
BYTE DurationPhonome;
BYTE Inflection; // I10..I3
BYTE RateInflection;
BYTE CtrlArtAmp;
BYTE FilterFreq;
//
BYTE CurrentMode; // b7:6=Mode; b0=D7 pin (for IRQ)
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} SSI263A;
typedef struct
{
SY6522 RegsSY6522;
BYTE RegsAY8910[16];
SSI263A RegsSSI263;
BYTE nAYCurrentRegister;
bool bTimer1IrqPending;
bool bTimer2IrqPending;
bool bSpeechIrqPending;
} MB_Unit;
const UINT MB_UNITS_PER_CARD = 2;
typedef struct
{
SS_CARD_HDR Hdr;
MB_Unit Unit[MB_UNITS_PER_CARD];
} SS_CARD_MOCKINGBOARD;
/////////////////////////////////////////////////////////////////////////////////
typedef struct
{
SS_FILE_HDR Hdr;
SS_APPLE2_Unit Apple2Unit;
// SS_APPLEWIN_CONFIG AppleWinCfg;
SS_CARD_EMPTY Empty1; // Slot1
SS_CARD_EMPTY Empty2; // Slot2
SS_CARD_EMPTY Empty3; // Slot3
SS_CARD_MOCKINGBOARD Mockingboard1; // Slot4
SS_CARD_MOCKINGBOARD Mockingboard2; // Slot5
SS_CARD_DISK2 Disk2; // Slot6
SS_CARD_EMPTY Empty7; // Slot7
} APPLEWIN_SNAPSHOT;
/////////////////////////////////////////////////////////////////////////////////