mirror of
https://github.com/akuker/RASCSI.git
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231 lines
5.6 KiB
C++
231 lines
5.6 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 Hard Disk for Apple Macintosh ]
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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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//---------------------------------------------------------------------------
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//
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// Class precedence definition
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//
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//---------------------------------------------------------------------------
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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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public:
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// Basic Functions
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CDTrack(SCSICD *scsicd);
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// Constructor
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virtual ~CDTrack();
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// Destructor
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BOOL FASTCALL Init(int track, DWORD first, DWORD last);
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// Initialization
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// Properties
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void FASTCALL SetPath(BOOL cdda, const Filepath& path);
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// Set the path
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void FASTCALL GetPath(Filepath& path) const;
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// Get the path
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void FASTCALL AddIndex(int index, DWORD lba);
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// Add index
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DWORD FASTCALL GetFirst() const;
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// Get the start LBA
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DWORD FASTCALL GetLast() const;
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// Get the last LBA
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DWORD FASTCALL GetBlocks() const;
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// Get the number of blocks
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int FASTCALL GetTrackNo() const;
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// Get the track number
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BOOL FASTCALL IsValid(DWORD lba) const;
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// Is this a valid LBA?
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BOOL FASTCALL IsAudio() const;
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// Is this an audio track?
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private:
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SCSICD *cdrom;
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// Parent device
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BOOL valid;
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// Valid track
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int track_no;
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// Track number
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DWORD first_lba;
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// First LBA
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DWORD last_lba;
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// Last LBA
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BOOL audio;
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// Audio track flag
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BOOL raw;
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// RAW data flag
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Filepath imgpath;
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// Image file path
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};
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//===========================================================================
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//
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// CD-DA Buffer
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//
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//===========================================================================
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class CDDABuf
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{
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public:
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// Basic Functions
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CDDABuf();
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// Constructor
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virtual ~CDDABuf();
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// Destructor
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#if 0
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BOOL Init();
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// Initialization
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BOOL FASTCALL Load(const Filepath& path);
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// Load
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BOOL FASTCALL Save(const Filepath& path);
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// Save
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// API
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void FASTCALL Clear();
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// Clear the buffer
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BOOL FASTCALL Open(Filepath& path);
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// File specification
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BOOL FASTCALL GetBuf(DWORD *buffer, int frames);
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// Get the buffer
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BOOL FASTCALL IsValid();
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// Check if Valid
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BOOL FASTCALL ReadReq();
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// Read Request
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BOOL FASTCALL IsEnd() const;
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// Finish check
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private:
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Filepath wavepath;
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// Wave path
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BOOL valid;
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// Open result (is it valid?)
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DWORD *m_buf;
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// Data buffer
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DWORD read;
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// Read pointer
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DWORD write;
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// Write pointer
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DWORD num;
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// Valid number of data
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DWORD rest;
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// Remaining file size
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#endif
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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
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{
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public:
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// Number of tracks
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enum {
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TrackMax = 96 // Maximum number of tracks
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};
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public:
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// Basic Functions
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SCSICD();
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// Constructor
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virtual ~SCSICD();
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// Destructor
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BOOL FASTCALL Open(const Filepath& path, BOOL attn = TRUE);
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// Open
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#ifndef RASCSI
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BOOL FASTCALL Load(Fileio *fio, int ver);
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// Load
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#endif // RASCSI
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// commands
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int FASTCALL Inquiry(const DWORD *cdb, BYTE *buf, DWORD major, DWORD minor);
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// INQUIRY command
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int FASTCALL Read(const DWORD *cdb, BYTE *buf, DWORD block) override;
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// READ command
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int FASTCALL ReadToc(const DWORD *cdb, BYTE *buf);
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// READ TOC command
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BOOL FASTCALL PlayAudio(const DWORD *cdb);
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// PLAY AUDIO command
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BOOL FASTCALL PlayAudioMSF(const DWORD *cdb);
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// PLAY AUDIO MSF command
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BOOL FASTCALL PlayAudioTrack(const DWORD *cdb);
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// PLAY AUDIO TRACK command
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// CD-DA
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BOOL FASTCALL NextFrame();
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// Frame notification
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void FASTCALL GetBuf(DWORD *buffer, int samples, DWORD rate);
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// Get CD-DA buffer
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// LBA-MSF変換
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void FASTCALL LBAtoMSF(DWORD lba, BYTE *msf) const;
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// LBA→MSF conversion
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DWORD FASTCALL MSFtoLBA(const BYTE *msf) const;
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// MSF→LBA conversion
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private:
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// Open
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BOOL FASTCALL OpenCue(const Filepath& path);
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// Open(CUE)
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BOOL FASTCALL OpenIso(const Filepath& path);
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// Open(ISO)
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BOOL FASTCALL OpenPhysical(const Filepath& path);
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// Open(Physical)
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BOOL rawfile;
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// RAW flag
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// Track management
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void FASTCALL ClearTrack();
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// Clear the track
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int FASTCALL SearchTrack(DWORD lba) const;
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// Track search
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CDTrack* track[TrackMax];
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// Track opbject references
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int tracks;
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// Effective number of track objects
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int dataindex;
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// Current data track
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int audioindex;
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// Current audio track
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int frame;
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// Frame number
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#if 0
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CDDABuf da_buf;
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// CD-DA buffer
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int da_num;
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// Number of CD-DA tracks
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int da_cur;
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// CD-DA current track
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int da_next;
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// CD-DA next track
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BOOL da_req;
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// CD-DA data request
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#endif
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};
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