103 lines
2.2 KiB
C
103 lines
2.2 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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/////////////////////////////////////////////////////////////////////////////////
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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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struct SS_FILE_HDR
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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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};
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struct SS_UNIT_HDR
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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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DWORD dwLength; // Byte length of this unit struct
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DWORD dwVersion;
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} v1;
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struct
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{
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DWORD Length; // Byte length of this unit struct
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WORD Type; // SS_UNIT_TYPE
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WORD Version; // Incrementing value from 1
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} v2;
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} hdr;
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};
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enum SS_UNIT_TYPE
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{
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UT_Reserved = 0,
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UT_Apple2,
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UT_Card,
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UT_Config,
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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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struct SS_CARD_HDR
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{
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SS_UNIT_HDR UnitHdr;
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DWORD Type; // SS_CARDTYPE
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DWORD Slot; // [1..7], 0=Language card, 8=Aux
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};
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/////////////////////////////////////////////////////////////////////////////////
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struct SS_CARD_EMPTY
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{
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SS_CARD_HDR Hdr;
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};
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/////////////////////////////////////////////////////////////////////////////////
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struct SY6522A
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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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USHORT TIMER1_COUNTER;
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USHORT TIMER1_LATCH;
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USHORT TIMER2_COUNTER;
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USHORT TIMER2_LATCH;
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int timer1IrqDelay;
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int timer2IrqDelay;
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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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};
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struct SSI263A
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{
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BYTE DurationPhoneme;
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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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};
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