AppleWin/source/SaveState_Structs_common.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 ***
/////////////////////////////////////////////////////////////////////////////////
#define MAKE_VERSION(a,b,c,d) ((a<<24) | (b<<16) | (c<<8) | (d))
#define AW_SS_TAG 'SSWA' // 'AWSS' = AppleWin SnapShot
struct SS_FILE_HDR
{
DWORD dwTag; // "AWSS"
DWORD dwVersion;
DWORD dwChecksum;
};
struct SS_UNIT_HDR
{
union
{
struct
{
DWORD dwLength; // Byte length of this unit struct
DWORD dwVersion;
} v1;
struct
{
DWORD Length; // Byte length of this unit struct
WORD Type; // SS_UNIT_TYPE
WORD Version; // Incrementing value from 1
} v2;
} hdr;
};
enum SS_UNIT_TYPE
{
UT_Reserved = 0,
UT_Apple2,
UT_Card,
UT_Config,
};
const UINT nMemMainSize = 64*1024;
const UINT nMemAuxSize = 64*1024;
struct SS_CARD_HDR
{
SS_UNIT_HDR UnitHdr;
DWORD Type; // SS_CARDTYPE
DWORD Slot; // [1..7], 0=Language card, 8=Aux
};
/////////////////////////////////////////////////////////////////////////////////
struct SS_CARD_EMPTY
{
SS_CARD_HDR Hdr;
};
/////////////////////////////////////////////////////////////////////////////////
struct SY6522A
{
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)
USHORT TIMER1_COUNTER;
USHORT TIMER1_LATCH;
USHORT TIMER2_COUNTER;
USHORT TIMER2_LATCH;
int timer1IrqDelay;
int timer2IrqDelay;
//
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)
};
struct SSI263A
{
BYTE DurationPhoneme;
BYTE Inflection; // I10..I3
BYTE RateInflection;
BYTE CtrlArtAmp;
BYTE FilterFreq;
//
BYTE CurrentMode; // b7:6=Mode; b0=D7 pin (for IRQ)
};