AppleWin/source/DiskFormatTrack.h

69 lines
2.2 KiB
C
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#pragma once
/*
AppleWin : An Apple //e emulator for Windows
Copyright (C) 1994-1996, Michael O'Brien
Copyright (C) 1999-2001, Oliver Schmidt
Copyright (C) 2002-2005, Tom Charlesworth
Copyright (C) 2006-2017, Tom Charlesworth, Michael Pohoreski, Nick Westgate
AppleWin is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
AppleWin is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with AppleWin; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
class FormatTrack // Monitor for formatting of track
{
public:
FormatTrack(void)
{
Reset();
};
~FormatTrack(void) {};
void Reset(void);
void DriveNotWritingTrack(void);
void DriveSwitchedToReadMode(class FloppyDisk* const pFloppy);
void DriveSwitchedToWriteMode(UINT uTrackIndex);
void DecodeLatchNibbleRead(BYTE floppylatch);
void DecodeLatchNibbleWrite(BYTE floppylatch, UINT uSpinNibbleCount, const class FloppyDisk* const pFloppy, bool bIsSyncFF);
void SaveSnapshot(class YamlSaveHelper& yamlSaveHelper);
void LoadSnapshot(class YamlLoadHelper& yamlLoadHelper);
private:
void UpdateOnWriteLatch(UINT uSpinNibbleCount, const class FloppyDisk* const pFloppy);
void DecodeLatchNibble(BYTE floppylatch, bool bIsWrite, bool bIsSyncFF);
BYTE m_VolTrkSecChk[4];
UINT16 m_bmWrittenSectorAddrFields;
UINT m_WriteTrackStartIndex;
bool m_WriteTrackHasWrapped;
BYTE m_WriteDataFieldPrologueCount;
bool m_bAddressPrologueIsDOS3_2;
enum TRACKSTATE_e {TS_GAP1, TS_ADDRFIELD, TS_GAP2_START, TS_GAP2, TS_DATAFIELD, TS_GAP3}; // Take care: value written to save-state
TRACKSTATE_e m_trackState;
UINT32 m_uLast3Bytes;
BYTE m_VolTrkSecChk4and4[8];
UINT m_4and4idx;
#if LOG_DISK_NIBBLES_WRITE_TRACK_GAPS
UINT m_DbgGap1Size;
UINT m_DbgGap2Size;
int m_DbgGap3Size;
#endif
};