101 lines
3.6 KiB
C++
101 lines
3.6 KiB
C++
#pragma once
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/*
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AppleWin : An Apple //e emulator for Windows
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Copyright (C) 1994-1996, Michael O'Brien
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Copyright (C) 1999-2001, Oliver Schmidt
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Copyright (C) 2002-2005, Tom Charlesworth
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Copyright (C) 2006-2010, Tom Charlesworth, Michael Pohoreski
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AppleWin 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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AppleWin 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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You should have received a copy of the GNU General Public License
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along with AppleWin; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include "DiskDefs.h"
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#ifdef _MSC_VER
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#define RAND_THRESHOLD(num, den) ((RAND_MAX * num) / den)
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#else
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// RAND_MAX is a massive number which overflows when (* num) is applied above
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#define RAND_THRESHOLD(num, den) ((RAND_MAX / den) * num)
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#endif
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#define TRACK_DENIBBLIZED_SIZE (16 * 256) // #Sectors x Sector-size
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#define TRACKS_STANDARD 35
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#define TRACKS_EXTRA 5 // Allow up to a 40-track .dsk image (160KB)
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#define TRACKS_MAX (TRACKS_STANDARD+TRACKS_EXTRA)
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enum Disk_Status_e
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{
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DISK_STATUS_OFF , // motor is off
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DISK_STATUS_READ ,
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DISK_STATUS_WRITE,
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DISK_STATUS_PROT , // NOTE: GetDriveLightStatus() and GetCurrentState() return slightly different states
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DISK_STATUS_EMPTY, // See: GetCurrentState(); no disk image mounted
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DISK_STATUS_SPIN , // See: GetCurrentState(), motor has been turned off, spinning before stopping
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NUM_DISK_STATUS
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};
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enum ImageError_e
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{
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eIMAGE_ERROR_NONE,
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eIMAGE_ERROR_BAD_POINTER,
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eIMAGE_ERROR_BAD_SIZE,
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eIMAGE_ERROR_BAD_FILE,
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eIMAGE_ERROR_UNSUPPORTED,
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eIMAGE_ERROR_UNSUPPORTED_HDV,
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eIMAGE_ERROR_GZ,
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eIMAGE_ERROR_ZIP,
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eIMAGE_ERROR_REJECTED_MULTI_ZIP,
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eIMAGE_ERROR_UNABLE_TO_OPEN,
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eIMAGE_ERROR_UNABLE_TO_OPEN_GZ,
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eIMAGE_ERROR_UNABLE_TO_OPEN_ZIP,
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eIMAGE_ERROR_FAILED_TO_GET_PATHNAME,
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eIMAGE_ERROR_ZEROLENGTH_WRITEPROTECTED,
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eIMAGE_ERROR_FAILED_TO_INIT_ZEROLENGTH,
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};
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const int MAX_DISK_IMAGE_NAME = 15;
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const int MAX_DISK_FULL_NAME = 127;
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struct ImageInfo;
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ImageError_e ImageOpen(const std::string & pszImageFilename, ImageInfo** ppImageInfo, bool* pWriteProtected, const bool bCreateIfNecessary, std::string& strFilenameInZip, const bool bExpectFloppy=true);
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void ImageClose(ImageInfo* const pImageInfo);
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BOOL ImageBoot(ImageInfo* const pImageInfo);
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void ImageReadTrack(ImageInfo* const pImageInfo, float phase, LPBYTE pTrackImageBuffer, int* pNibbles, UINT* pBitCount, bool enhanceDisk);
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void ImageWriteTrack(ImageInfo* const pImageInfo, float phase, LPBYTE pTrackImageBuffer, int nNibbles);
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bool ImageReadBlock(ImageInfo* const pImageInfo, UINT nBlock, LPBYTE pBlockBuffer);
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bool ImageWriteBlock(ImageInfo* const pImageInfo, UINT nBlock, LPBYTE pBlockBuffer);
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UINT ImageGetNumTracks(ImageInfo* const pImageInfo);
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bool ImageIsMultiFileZip(ImageInfo* const pImageInfo);
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const std::string & ImageGetPathname(ImageInfo* const pImageInfo);
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UINT ImageGetImageSize(ImageInfo* const pImageInfo);
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bool ImageIsWOZ(ImageInfo* const pImageInfo);
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BYTE ImageGetOptimalBitTiming(ImageInfo* const pImageInfo);
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UINT ImagePhaseToTrack(ImageInfo* const pImageInfo, const float phase, const bool limit=true);
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UINT ImageGetMaxNibblesPerTrack(ImageInfo* const pImageInfo);
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bool ImageIsBootSectorFormatSector13(ImageInfo* const pImageInfo);
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void GetImageTitle(LPCTSTR pPathname, std::string & pImageName, std::string & pFullName);
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