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// This program 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
// any later version.
//
// This program 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 this program; if not, write to the Free Software
// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
//
#include "cfs_robc.h"
#include "autil.h"
#include "adsk_atr.h"
#define ROBC_MAX_NAME 20
CRobc::CRobc() : CFs()
{
#ifdef _MEMORY_DUMP_
printf( "CRobc constructed: %08X\n", this );
#endif
}
CRobc::~CRobc()
{
Dismount();
#ifdef _MEMORY_DUMP_
printf( "CRobc destructed: %08X\n", this );
#endif
}
BOOL CRobc::Mount( ADisk* pDisk )
{
m_iFilesValid = 0;
m_iFilesInvalid = 0;
m_pDisk = pDisk;
m_pRoot = NULL;
if ( m_pDisk->GetSectorSize() != 0x80 )
{
sprintf( m_szLastError, "ROBC: Can't process DD disk!" );
return FALSE;
}
switch( m_pDisk->GetBootSectorCount() )
{
case 0x04:
break;
default:
{
sprintf( m_szLastError, "ROBC: Can't identify disk as a RobC menu!" );
return FALSE;
}
}
CRobcDirEntry* pPrev = NULL;
BYTE abtSec[ 0x180 ];
if ( !m_pDisk->ReadSectors( abtSec, 0x02, 3 ) )
{
sprintf( m_szLastError, "ROBC: Can't read directory because\n%s", m_pDisk->GetLastError() );
return FALSE;
}
BYTE* abtStartSecLo = abtSec + 0x77;
BYTE* abtStartSecHi = abtSec + 0x6E;
BYTE* pbtName = abtSec + 0xB9;
for( int i = 0; i < 10; i++ )
{
WORD wSec = *abtStartSecLo + ( *abtStartSecHi << 8 );
//printf( "%d) %04X\n", i, wSec );
if ( ! wSec )
continue;
BYTE abtLocSec[ 0x80 ];
BYTE btSecCount;
if( !m_pDisk->ReadSector( abtLocSec, wSec ) )
{
sprintf( m_szLastError, "ROBC: Can't read dir entry %d!", i );
return FALSE;
}
btSecCount = abtLocSec[ 1 ];
if ( ! btSecCount )
break;
CRobcDirEntry* pE = CreateEntry( btSecCount, wSec, pbtName + 2 );
if ( m_pRoot )
{
pPrev->m_pNext = pE;
pE->m_pPrev = pPrev;
pPrev = pE;
}
else
{
m_pRoot = pE;
pPrev = pE;
}
abtStartSecLo++;
abtStartSecHi++;
pbtName += ROBC_MAX_NAME;
}
return TRUE;
}
void CRobc::Dismount()
{
DeleteList( m_pRoot );
}
CRobcDirEntry* CRobc::CreateEntry( BYTE btSecCount, WORD wStartSec, BYTE* btName )
{
CRobcDirEntry* pE = new CRobcDirEntry();
if ( !pE )
return NULL;
pE->m_iStartSec = wStartSec;
pE->m_iSecCount = btSecCount;
sprintf( pE->m_szAscData, "%04X %02X", wStartSec, btSecCount );
char szTemp[ ROBC_MAX_NAME + 1 - 2 ];
memcpy( szTemp, btName, ROBC_MAX_NAME - 2 );
szTemp[ ROBC_MAX_NAME - 2 ] = '\0';
//printf( "%s\n", szTemp );
char* szT = szTemp;
while( *szT )
{
*szT &= 0x7F;
*szT -= 0x20;
szT++;
}
GuessBestFnameFromAtari( pE->m_szFname, szTemp, "atr" );
//printf( "%s\n", pE->m_szFname );
if ( ExportFile( NULL, pE ) )
m_iFilesValid++;
else
m_iFilesInvalid++;
return pE;
}
BOOL CRobc::ExportFile( char* szOutFile, CDirEntry* pDirE )
{
int iSecCount = ((CRobcDirEntry*)pDirE) ->m_iSecCount;
int iStartSec = ((CRobcDirEntry*)pDirE) ->m_iStartSec;
BYTE abtBuff[ 0x80 ];
if ( ( iStartSec + iSecCount - 1 ) > m_pDisk->GetSectorCount() )
{
sprintf( m_szLastError, "ROBC: File '%s' goes past last sector!", szOutFile );
return FALSE;
}
m_pDisk->ReadSector( abtBuff, iStartSec );
if ( abtBuff[ 1 ] != iSecCount )
{
sprintf( m_szLastError, "ROBC: File '%s' Mismatched length (%d<>%d)!", szOutFile, abtBuff[ 1 ], iSecCount );
return FALSE;
}
if ( !szOutFile )
return TRUE;
CAtr newdisk;
DISK_GEOMETRY dg;
dg.iSides = 1;
dg.iTracks = 1;
dg.iSectorsPerTrack = iSecCount;
dg.iBytesPerSector = 0x80;
if ( !newdisk.Format( &dg ) )
{
sprintf( m_szLastError, "ROBC: File '%s' can't create because\n%s", szOutFile, newdisk.GetLastError() );
return FALSE;
}
int iCurrSec = 1;
while( iSecCount )
{
if( !m_pDisk->ReadSector( abtBuff, iStartSec++ ) )
{
sprintf( m_szLastError, "ROBC: File '%s' can't create because\n%s", szOutFile, m_pDisk->GetLastError() );
return FALSE;
}
if ( !newdisk.WriteSector( iCurrSec++, abtBuff ) )
{
sprintf( m_szLastError, "ROBC: File '%s' can't create because\n%s", szOutFile, newdisk.GetLastError() );
return FALSE;
}
iSecCount--;
}
if ( !newdisk.Save( szOutFile, FALSE ) )
{
sprintf( m_szLastError, "ROBC: File '%s' can't create because\n%s", szOutFile, newdisk.GetLastError() );
return FALSE;
}
return TRUE;
}
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