mirror of
https://github.com/JorjBauer/aiie.git
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147 lines
3.9 KiB
C++
147 lines
3.9 KiB
C++
/*
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* Apple // emulator for *ix
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*
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* This software package is subject to the GNU General Public License
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* version 3 or later (your choice) as published by the Free Software
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* Foundation.
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*
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* Copyright 2013-2015 Aaron Culliney
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*
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*/
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#ifndef _MOCKINGBOARD_H_
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#define _MOCKINGBOARD_H_
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#ifdef APPLE2IX
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#include "audio/peripherals.h"
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extern bool g_bDisableDirectSoundMockingboard;
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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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uint8_t l;
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uint8_t h;
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};
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uint16_t w;
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};
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} IWORD;
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typedef struct
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{
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uint8_t ORB; // $00 - Port B
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uint8_t ORA; // $01 - Port A (with handshaking)
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uint8_t DDRB; // $02 - Data Direction Register B
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uint8_t 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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uint8_t SERIAL_SHIFT; // $0A
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uint8_t ACR; // $0B - Auxiliary Control Register
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uint8_t PCR; // $0C - Peripheral Control Register
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uint8_t IFR; // $0D - Interrupt Flag Register
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uint8_t IER; // $0E - Interrupt Enable Register
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uint8_t 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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uint8_t DurationPhoneme;
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uint8_t Inflection; // I10..I3
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uint8_t RateInflection;
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uint8_t CtrlArtAmp;
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uint8_t FilterFreq;
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//
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uint8_t CurrentMode; // b7:6=Mode; b0=D7 pin (for IRQ)
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} SSI263A;
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extern SS_CARDTYPE g_Slot4; // Mockingboard, Z80, Mouse in slot4
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extern SS_CARDTYPE g_Slot5; // Mockingboard, Z80 in slot5
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#define MB_UNITS_PER_CARD 2
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typedef struct
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{
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SY6522 RegsSY6522;
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uint8_t RegsAY8910[16];
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SSI263A RegsSSI263;
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uint8_t 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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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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#endif
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extern bool g_bMBTimerIrqActive;
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#ifdef _DEBUG
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extern uint32_t g_uTimer1IrqCount; // DEBUG
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#endif
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void MB_Initialize();
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void MB_Reinitialize();
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void MB_Destroy();
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void MB_SetEnabled(bool enabled);
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bool MB_ISEnabled(void);
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void MB_Reset();
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void MB_InitializeIO(char *pCxRomPeripheral, unsigned int uSlot4, unsigned int uSlot5);
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void MB_Mute();
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void MB_Demute();
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void MB_StartOfCpuExecute();
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void MB_EndOfVideoFrame();
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void MB_UpdateCycles(void);
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SS_CARDTYPE MB_GetSoundcardType();
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void MB_SetSoundcardType(SS_CARDTYPE NewSoundcardType);
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double MB_GetFramePeriod();
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bool MB_IsActive();
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unsigned long MB_GetVolume();
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void MB_SetVolumeZeroToTen(unsigned long goesToTen);
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void MB_SetVolume(unsigned long dwVolume, unsigned long dwVolumeMax);
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#if 1 // APPLE2IX
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bool mb_saveState(StateHelper_s *helper);
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bool mb_loadState(StateHelper_s *helper);
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# if TESTING
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int mb_testAssertA2V2(uint8_t *exData, size_t dataSiz);
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# endif
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#else
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void MB_GetSnapshot_v1(struct SS_CARD_MOCKINGBOARD_v1* const pSS, const DWORD dwSlot); // For debugger
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int MB_SetSnapshot_v1(const struct SS_CARD_MOCKINGBOARD_v1* const pSS, const DWORD dwSlot);
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std::string MB_GetSnapshotCardName(void);
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void MB_SaveSnapshot(class YamlSaveHelper& yamlSaveHelper, const UINT uSlot);
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bool MB_LoadSnapshot(class YamlLoadHelper& yamlLoadHelper, UINT slot, UINT version);
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#endif
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#if 1 // APPLE2IX
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uint8_t mb_read(uint16_t ea);
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void mb_io_initialize(unsigned int slot4, unsigned int slot5);
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# if MB_TRACING
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void mb_traceBegin(const char *trace_file);
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void mb_traceFlush(void);
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void mb_traceEnd(void);
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# endif
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#endif
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#if UNBREAK_SOON
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std::string Phasor_GetSnapshotCardName(void);
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void Phasor_SaveSnapshot(class YamlSaveHelper& yamlSaveHelper, const UINT uSlot);
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bool Phasor_LoadSnapshot(class YamlLoadHelper& yamlLoadHelper, UINT slot, UINT version);
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#endif
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#endif // whole file
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