mirror of https://github.com/akuker/RASCSI.git
125 lines
3.4 KiB
C++
125 lines
3.4 KiB
C++
//---------------------------------------------------------------------------
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//
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// SCSI Target Emulator RaSCSI (*^..^*)
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// for Raspberry Pi
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//
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// Copyright (C) 2001-2006 ＰＩ．(ytanaka@ipc-tokai.or.jp)
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// Copyright (C) 2014-2020 GIMONS
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// Copyright (C) akuker
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//
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// Licensed under the BSD 3-Clause License.
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// See LICENSE file in the project root folder.
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//
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// [ SCSI CD-ROM ]
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//
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//---------------------------------------------------------------------------
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#pragma once
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#include "os.h"
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#include "disk.h"
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#include "filepath.h"
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#include "interfaces/scsi_mmc_commands.h"
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#include "interfaces/scsi_primary_commands.h"
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class SCSICD;
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//===========================================================================
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//
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// CD-ROM Track
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//
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//===========================================================================
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class CDTrack
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{
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private:
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friend class SCSICD;
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CDTrack(SCSICD *scsicd);
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virtual ~CDTrack() {}
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public:
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void Init(int track, DWORD first, DWORD last);
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// Properties
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void SetPath(bool cdda, const Filepath& path); // Set the path
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void GetPath(Filepath& path) const; // Get the path
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void AddIndex(int index, DWORD lba); // Add index
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DWORD GetFirst() const; // Get the start LBA
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DWORD GetLast() const; // Get the last LBA
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DWORD GetBlocks() const; // Get the number of blocks
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int GetTrackNo() const; // Get the track number
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bool IsValid(DWORD lba) const; // Is this a valid LBA?
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bool IsAudio() const; // Is this an audio track?
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private:
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SCSICD *cdrom; // Parent device
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bool valid; // Valid track
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int track_no; // Track number
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DWORD first_lba; // First LBA
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DWORD last_lba; // Last LBA
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bool audio; // Audio track flag
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bool raw; // RAW data flag
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Filepath imgpath; // Image file path
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};
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//===========================================================================
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//
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// SCSI CD-ROM
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//
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//===========================================================================
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class SCSICD : public Disk, public ScsiMmcCommands, public FileSupport
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{
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public:
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enum {
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TrackMax = 96 // Maximum number of tracks
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};
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SCSICD(const set<uint32_t>&);
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~SCSICD();
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bool Dispatch(SCSIDEV *) override;
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void Open(const Filepath& path) override;
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// Commands
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int Inquiry(const DWORD *cdb, BYTE *buf) override; // INQUIRY command
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int Read(const DWORD *cdb, BYTE *buf, uint64_t block) override; // READ command
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int ReadToc(const DWORD *cdb, BYTE *buf); // READ TOC command
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protected:
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void AddModePages(map<int, vector<BYTE>>&, int, bool) const override;
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private:
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typedef Disk super;
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Dispatcher<SCSICD, SASIDEV> dispatcher;
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void AddCDROMPage(map<int, vector<BYTE>>&, bool) const;
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void AddCDDAPage(map<int, vector<BYTE>>&, bool) const;
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// Open
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void OpenCue(const Filepath& path); // Open(CUE)
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void OpenIso(const Filepath& path); // Open(ISO)
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void OpenPhysical(const Filepath& path); // Open(Physical)
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void ReadToc(SASIDEV *) override;
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void GetEventStatusNotification(SASIDEV *) override;
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void LBAtoMSF(DWORD lba, BYTE *msf) const; // LBA→MSF conversion
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bool rawfile; // RAW flag
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// Track management
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void ClearTrack(); // Clear the track
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int SearchTrack(DWORD lba) const; // Track search
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CDTrack* track[TrackMax]; // Track opbject references
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int tracks; // Effective number of track objects
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int dataindex; // Current data track
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int audioindex; // Current audio track
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int frame; // Frame number
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};
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