aiie/audio/mockingboard.h

147 lines
3.9 KiB
C++

/*
* Apple // emulator for *ix
*
* This software package is subject to the GNU General Public License
* version 3 or later (your choice) as published by the Free Software
* Foundation.
*
* Copyright 2013-2015 Aaron Culliney
*
*/
#ifndef _MOCKINGBOARD_H_
#define _MOCKINGBOARD_H_
#ifdef APPLE2IX
#include "audio/peripherals.h"
extern bool g_bDisableDirectSoundMockingboard;
typedef struct
{
union
{
struct
{
uint8_t l;
uint8_t h;
};
uint16_t w;
};
} IWORD;
typedef struct
{
uint8_t ORB; // $00 - Port B
uint8_t ORA; // $01 - Port A (with handshaking)
uint8_t DDRB; // $02 - Data Direction Register B
uint8_t 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;
//
uint8_t SERIAL_SHIFT; // $0A
uint8_t ACR; // $0B - Auxiliary Control Register
uint8_t PCR; // $0C - Peripheral Control Register
uint8_t IFR; // $0D - Interrupt Flag Register
uint8_t IER; // $0E - Interrupt Enable Register
uint8_t ORA_NO_HS; // $0F - Port A (without handshaking)
} SY6522;
typedef struct
{
uint8_t DurationPhoneme;
uint8_t Inflection; // I10..I3
uint8_t RateInflection;
uint8_t CtrlArtAmp;
uint8_t FilterFreq;
//
uint8_t CurrentMode; // b7:6=Mode; b0=D7 pin (for IRQ)
} SSI263A;
extern SS_CARDTYPE g_Slot4; // Mockingboard, Z80, Mouse in slot4
extern SS_CARDTYPE g_Slot5; // Mockingboard, Z80 in slot5
#define MB_UNITS_PER_CARD 2
typedef struct
{
SY6522 RegsSY6522;
uint8_t RegsAY8910[16];
SSI263A RegsSSI263;
uint8_t nAYCurrentRegister;
bool bTimer1IrqPending;
bool bTimer2IrqPending;
bool bSpeechIrqPending;
} MB_Unit;
typedef struct
{
SS_CARD_HDR Hdr;
MB_Unit Unit[MB_UNITS_PER_CARD];
} SS_CARD_MOCKINGBOARD;
#endif
extern bool g_bMBTimerIrqActive;
#ifdef _DEBUG
extern uint32_t g_uTimer1IrqCount; // DEBUG
#endif
void MB_Initialize();
void MB_Reinitialize();
void MB_Destroy();
void MB_SetEnabled(bool enabled);
bool MB_ISEnabled(void);
void MB_Reset();
void MB_InitializeIO(char *pCxRomPeripheral, unsigned int uSlot4, unsigned int uSlot5);
void MB_Mute();
void MB_Demute();
void MB_StartOfCpuExecute();
void MB_EndOfVideoFrame();
void MB_UpdateCycles(void);
SS_CARDTYPE MB_GetSoundcardType();
void MB_SetSoundcardType(SS_CARDTYPE NewSoundcardType);
double MB_GetFramePeriod();
bool MB_IsActive();
unsigned long MB_GetVolume();
void MB_SetVolumeZeroToTen(unsigned long goesToTen);
void MB_SetVolume(unsigned long dwVolume, unsigned long dwVolumeMax);
#if 1 // APPLE2IX
bool mb_saveState(StateHelper_s *helper);
bool mb_loadState(StateHelper_s *helper);
# if TESTING
int mb_testAssertA2V2(uint8_t *exData, size_t dataSiz);
# endif
#else
void MB_GetSnapshot_v1(struct SS_CARD_MOCKINGBOARD_v1* const pSS, const DWORD dwSlot); // For debugger
int MB_SetSnapshot_v1(const struct SS_CARD_MOCKINGBOARD_v1* const pSS, const DWORD dwSlot);
std::string MB_GetSnapshotCardName(void);
void MB_SaveSnapshot(class YamlSaveHelper& yamlSaveHelper, const UINT uSlot);
bool MB_LoadSnapshot(class YamlLoadHelper& yamlLoadHelper, UINT slot, UINT version);
#endif
#if 1 // APPLE2IX
uint8_t mb_read(uint16_t ea);
void mb_io_initialize(unsigned int slot4, unsigned int slot5);
# if MB_TRACING
void mb_traceBegin(const char *trace_file);
void mb_traceFlush(void);
void mb_traceEnd(void);
# endif
#endif
#if UNBREAK_SOON
std::string Phasor_GetSnapshotCardName(void);
void Phasor_SaveSnapshot(class YamlSaveHelper& yamlSaveHelper, const UINT uSlot);
bool Phasor_LoadSnapshot(class YamlLoadHelper& yamlLoadHelper, UINT slot, UINT version);
#endif
#endif // whole file