158 lines
4.6 KiB
Plaintext
158 lines
4.6 KiB
Plaintext
/*
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* This file is part of libsidplayfp, a SID player engine.
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*
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* Copyright 2011-2014 Leandro Nini <drfiemost@users.sourceforge.net>
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* Copyright 2007-2010 Antti Lankila
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* Copyright 2001-2002 by Jarno Paananen
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* Copyright 2000-2002 Simon White
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#ifndef HARDSID_EMU_H
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#define HARDSID_EMU_H
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#include "sidplayfp/event.h"
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#include "sidemu.h"
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#include "EventScheduler.h"
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#include "sidplayfp/siddefs.h"
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#include "sidcxx11.h"
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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class sidbuilder;
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#ifdef _WIN32
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#include <windows.h>
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#define HSID_VERSION_MIN (WORD) 0x0200
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#define HSID_VERSION_204 (WORD) 0x0204
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#define HSID_VERSION_207 (WORD) 0x0207
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//**************************************************************************
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// Version 2 Interface
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typedef void (CALLBACK* HsidDLL2_Delay_t) (BYTE deviceID, WORD cycles);
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typedef BYTE (CALLBACK* HsidDLL2_Devices_t) ();
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typedef void (CALLBACK* HsidDLL2_Filter_t) (BYTE deviceID, BOOL filter);
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typedef void (CALLBACK* HsidDLL2_Flush_t) (BYTE deviceID);
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typedef void (CALLBACK* HsidDLL2_Mute_t) (BYTE deviceID, BYTE channel, BOOL mute);
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typedef void (CALLBACK* HsidDLL2_MuteAll_t) (BYTE deviceID, BOOL mute);
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typedef void (CALLBACK* HsidDLL2_Reset_t) (BYTE deviceID);
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typedef BYTE (CALLBACK* HsidDLL2_Read_t) (BYTE deviceID, WORD cycles, BYTE SID_reg);
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typedef void (CALLBACK* HsidDLL2_Sync_t) (BYTE deviceID);
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typedef void (CALLBACK* HsidDLL2_Write_t) (BYTE deviceID, WORD cycles, BYTE SID_reg, BYTE data);
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typedef WORD (CALLBACK* HsidDLL2_Version_t) ();
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// Version 2.04 Extensions
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typedef BOOL (CALLBACK* HsidDLL2_Lock_t) (BYTE deviceID);
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typedef void (CALLBACK* HsidDLL2_Unlock_t) (BYTE deviceID);
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typedef void (CALLBACK* HsidDLL2_Reset2_t) (BYTE deviceID, BYTE volume);
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// Version 2.07 Extensions
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typedef void (CALLBACK* HsidDLL2_Mute2_t) (BYTE deviceID, BYTE channel, BOOL mute, BOOL manual);
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struct HsidDLL2
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{
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HINSTANCE Instance;
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HsidDLL2_Delay_t Delay;
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HsidDLL2_Devices_t Devices;
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HsidDLL2_Filter_t Filter;
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HsidDLL2_Flush_t Flush;
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HsidDLL2_Lock_t Lock;
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HsidDLL2_Unlock_t Unlock;
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HsidDLL2_Mute_t Mute;
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HsidDLL2_Mute2_t Mute2;
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HsidDLL2_MuteAll_t MuteAll;
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HsidDLL2_Reset_t Reset;
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HsidDLL2_Reset2_t Reset2;
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HsidDLL2_Read_t Read;
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HsidDLL2_Sync_t Sync;
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HsidDLL2_Write_t Write;
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WORD Version;
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};
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#endif // _WIN32
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#define HARDSID_VOICES 3
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// Approx 60ms
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#define HARDSID_DELAY_CYCLES 60000
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/***************************************************************************
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* HardSID SID Specialisation
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***************************************************************************/
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class HardSID : public sidemu, private Event
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{
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private:
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friend class HardSIDBuilder;
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// HardSID specific data
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#ifndef _WIN32
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static bool m_sidFree[16];
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int m_handle;
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#endif
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static const unsigned int voices;
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static unsigned int sid;
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// Must stay in this order
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bool muted[HARDSID_VOICES];
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unsigned int m_instance;
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public:
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static const char* getCredits();
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public:
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HardSID(sidbuilder *builder);
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~HardSID();
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bool getStatus() const { return m_status; }
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// Standard component functions
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void reset() override { sidemu::reset(); }
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uint8_t read(uint_least8_t addr) override;
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void write(uint_least8_t addr, uint8_t data) override;
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// c64sid functions
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void reset(uint8_t volume) override;
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// Standard SID functions
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void clock() override;
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void model(SidConfig::sid_model_t) override {}
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void voice(unsigned int num, bool mute) override;
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// HardSID specific
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void flush();
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void filter(bool enable);
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// Must lock the SID before using the standard functions.
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bool lock(EventContext *env) override;
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void unlock() override;
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private:
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// Fixed interval timer delay to prevent sidplay2
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// shoot to 100% CPU usage when song nolonger
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// writes to SID.
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void event() override;
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};
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#endif // HARDSID_EMU_H
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