mirror of
https://github.com/AppleWin/AppleWin.git
synced 2024-08-16 21:29:07 +00:00
283 lines
5.5 KiB
C
283 lines
5.5 KiB
C
#pragma once
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// Structs used by save-state file
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// *** 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))
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#define AW_SS_TAG 'SSWA' // 'AWSS' = AppleWin SnapShot
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typedef struct
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{
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DWORD dwTag; // "AWSS"
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DWORD dwVersion;
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DWORD dwChecksum;
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} SS_FILE_HDR;
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typedef struct
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{
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DWORD dwLength; // Byte length of this unit struct
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DWORD dwVersion;
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} SS_UNIT_HDR;
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/////////////////////////////////////////////////////////////////////////////////
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const UINT nMemMainSize = 64*1024;
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const UINT nMemAuxSize = 64*1024;
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typedef struct
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{
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BYTE A;
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BYTE X;
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BYTE Y;
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BYTE P;
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BYTE S;
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USHORT PC;
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unsigned __int64 g_nCumulativeCycles;
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// IRQ = OR-sum of all interrupt sources
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} SS_CPU6502;
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const UINT uRecvBufferSize = 9;
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typedef struct
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{
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DWORD baudrate;
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BYTE bytesize;
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BYTE commandbyte;
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DWORD comminactivity; // If non-zero then COM port open
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BYTE controlbyte;
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BYTE parity;
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BYTE recvbuffer[uRecvBufferSize];
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DWORD recvbytes;
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BYTE stopbits;
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} SS_IO_Comms;
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typedef struct
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{
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unsigned __int64 g_nJoyCntrResetCycle;
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} SS_IO_Joystick;
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typedef struct
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{
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DWORD keyboardqueries;
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BYTE nLastKey;
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} SS_IO_Keyboard;
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//typedef struct
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//{
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//} SS_IO_Memory;
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typedef struct
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{
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unsigned __int64 g_nSpkrLastCycle;
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} SS_IO_Speaker;
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typedef struct
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{
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bool bAltCharSet; // charoffs
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DWORD dwVidMode;
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} SS_IO_Video;
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typedef struct
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{
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DWORD dwMemMode;
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BOOL bLastWriteRam;
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BYTE nMemMain[nMemMainSize];
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BYTE nMemAux[nMemAuxSize];
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} SS_BaseMemory;
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typedef struct
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{
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SS_UNIT_HDR UnitHdr;
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SS_CPU6502 CPU6502;
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SS_IO_Comms Comms;
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SS_IO_Joystick Joystick;
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SS_IO_Keyboard Keyboard;
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// SS_IO_Memory Memory;
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SS_IO_Speaker Speaker;
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SS_IO_Video Video;
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SS_BaseMemory Memory;
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} SS_APPLE2_Unit;
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/////////////////////////////////////////////////////////////////////////////////
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typedef struct
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{
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DWORD dwComputerEmulation;
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bool bCustomSpeed;
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DWORD dwEmulationSpeed;
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bool bEnhancedDiskSpeed;
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DWORD dwJoystickType[2];
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bool bMockingboardEnabled;
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DWORD dwMonochromeColor;
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DWORD dwSerialPort;
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DWORD dwSoundType; // Sound Emulation
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DWORD dwVideoType; // Video Emulation
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} SS_AW_CFG;
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typedef struct
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{
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char StartingDir[MAX_PATH];
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DWORD dwWindowXpos;
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DWORD dwWindowYpos;
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} SS_AW_PREFS;
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typedef struct
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{
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SS_UNIT_HDR UnitHdr;
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DWORD dwAppleWinVersion;
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SS_AW_PREFS Prefs;
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SS_AW_CFG Cfg;
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} SS_APPLEWIN_CONFIG;
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/////////////////////////////////////////////////////////////////////////////////
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typedef struct
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{
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SS_UNIT_HDR UnitHdr;
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DWORD dwType; // SS_CARDTYPE
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DWORD dwSlot; // [1..7]
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} SS_CARD_HDR;
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enum SS_CARDTYPE
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{
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CT_Empty = 0,
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CT_Disk2, // Apple Disk][
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CT_SSC, // Apple Super Serial Card
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CT_Mockingboard,
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CT_GenericPrinter,
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CT_GenericHDD, // Hard disk
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CT_GenericClock,
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CT_MouseInterface,
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CT_Z80,
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};
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/////////////////////////////////////////////////////////////////////////////////
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typedef struct
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{
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SS_CARD_HDR Hdr;
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} SS_CARD_EMPTY;
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/////////////////////////////////////////////////////////////////////////////////
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const UINT NIBBLES_PER_TRACK = 0x1A00;
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typedef struct
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{
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char szFileName[MAX_PATH];
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int track;
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int phase;
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int byte;
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BOOL writeprotected;
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BOOL trackimagedata;
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BOOL trackimagedirty;
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DWORD spinning;
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DWORD writelight;
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int nibbles;
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BYTE nTrack[NIBBLES_PER_TRACK];
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} DISK2_Unit;
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typedef struct
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{
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SS_CARD_HDR Hdr;
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DISK2_Unit Unit[2];
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WORD phases;
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WORD currdrive;
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BOOL diskaccessed;
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BOOL enhancedisk;
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BYTE floppylatch;
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BOOL floppymotoron;
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BOOL floppywritemode;
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} SS_CARD_DISK2;
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/////////////////////////////////////////////////////////////////////////////////
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typedef struct
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{
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union
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{
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struct
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{
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BYTE l;
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BYTE h;
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};
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USHORT w;
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};
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} IWORD;
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typedef struct
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{
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BYTE ORB; // $00 - Port B
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BYTE ORA; // $01 - Port A (with handshaking)
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BYTE DDRB; // $02 - Data Direction Register B
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BYTE DDRA; // $03 - Data Direction Register A
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//
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// $04 - Read counter (L) / Write latch (L)
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// $05 - Read / Write & initiate count (H)
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// $06 - Read / Write & latch (L)
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// $07 - Read / Write & latch (H)
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// $08 - Read counter (L) / Write latch (L)
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// $09 - Read counter (H) / Write latch (H)
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IWORD TIMER1_COUNTER;
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IWORD TIMER1_LATCH;
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IWORD TIMER2_COUNTER;
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IWORD TIMER2_LATCH;
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//
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BYTE SERIAL_SHIFT; // $0A
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BYTE ACR; // $0B - Auxiliary Control Register
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BYTE PCR; // $0C - Peripheral Control Register
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BYTE IFR; // $0D - Interrupt Flag Register
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BYTE IER; // $0E - Interrupt Enable Register
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BYTE ORA_NO_HS; // $0F - Port A (without handshaking)
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} SY6522;
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typedef struct
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{
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BYTE DurationPhonome;
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BYTE Inflection; // I10..I3
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BYTE RateInflection;
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BYTE CtrlArtAmp;
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BYTE FilterFreq;
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//
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BYTE CurrentMode; // b7:6=Mode; b0=D7 pin (for IRQ)
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} SSI263A;
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typedef struct
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{
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SY6522 RegsSY6522;
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BYTE RegsAY8910[16];
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SSI263A RegsSSI263;
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BYTE nAYCurrentRegister;
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bool bTimer1IrqPending;
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bool bTimer2IrqPending;
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bool bSpeechIrqPending;
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} MB_Unit;
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const UINT MB_UNITS_PER_CARD = 2;
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typedef struct
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{
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SS_CARD_HDR Hdr;
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MB_Unit Unit[MB_UNITS_PER_CARD];
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} SS_CARD_MOCKINGBOARD;
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/////////////////////////////////////////////////////////////////////////////////
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typedef struct
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{
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SS_FILE_HDR Hdr;
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SS_APPLE2_Unit Apple2Unit;
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// SS_APPLEWIN_CONFIG AppleWinCfg;
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SS_CARD_EMPTY Empty1; // Slot1
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SS_CARD_EMPTY Empty2; // Slot2
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SS_CARD_EMPTY Empty3; // Slot3
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SS_CARD_MOCKINGBOARD Mockingboard1; // Slot4
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SS_CARD_MOCKINGBOARD Mockingboard2; // Slot5
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SS_CARD_DISK2 Disk2; // Slot6
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SS_CARD_EMPTY Empty7; // Slot7
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} APPLEWIN_SNAPSHOT;
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/////////////////////////////////////////////////////////////////////////////////
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