mirror of
https://github.com/akuker/RASCSI.git
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41bdcd4aed
* Update logging * Remove duplicate code * Update unit tests * Clean up includes * Merge ProtobufSerializer into protobuf_util namespace * Precompile regex * Add const * Add Split() convenience method, update log level/ID parsing * Move log.h to legacy folder * Elimininate gotos * Fixes for gcc 13 * Update compiler flags * Update default folder handling * Use references instead of pointers * Move code for better encapsulation * Move code * Remove unused method argument * Move device logger * Remove redundant to_string * Rename for consistency * Update handling of protobuf pointers * Simplify protobuf usage * Memory handling update * Add hasher
66 lines
1.7 KiB
C++
66 lines
1.7 KiB
C++
//---------------------------------------------------------------------------
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//
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// X68000 EMULATOR "XM6"
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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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//
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// XM6i
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// Copyright (C) 2010-2015 isaki@NetBSD.org
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//
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// Imported sava's Anex86/T98Next image and MO format support patch.
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// Comments translated to english by akuker.
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//
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//---------------------------------------------------------------------------
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#pragma once
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#include <span>
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#include <array>
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#include <memory>
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#include <string>
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using namespace std;
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class DiskCache
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{
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// Number of tracks to cache
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static const int CACHE_MAX = 16;
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public:
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// Internal data definition
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using cache_t = struct {
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shared_ptr<DiskTrack> disktrk; // Disk Track
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uint32_t serial; // Serial
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};
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DiskCache(const string&, int, uint32_t, off_t = 0);
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~DiskCache() = default;
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void SetRawMode(bool b) { cd_raw = b; } // CD-ROM raw mode setting
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// Access
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bool Save() const; // Save and release all
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bool ReadSector(span<uint8_t>, uint32_t); // Sector Read
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bool WriteSector(span<const uint8_t>, uint32_t); // Sector Write
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private:
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// Internal Management
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shared_ptr<DiskTrack> Assign(int);
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shared_ptr<DiskTrack> GetTrack(uint32_t);
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bool Load(int index, int track, shared_ptr<DiskTrack>);
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void UpdateSerialNumber();
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// Internal data
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array<cache_t, CACHE_MAX> cache = {}; // Cache management
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uint32_t serial = 0; // Last serial number
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string sec_path; // Path
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int sec_size; // Sector Size (8=256, 9=512, 10=1024, 11=2048, 12=4096)
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int sec_blocks; // Blocks per sector
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bool cd_raw = false; // CD-ROM RAW mode
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off_t imgoffset; // Offset to actual data
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};
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