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authorB. Watson <urchlay@slackware.uk>2024-05-16 01:43:09 -0400
committerB. Watson <urchlay@slackware.uk>2024-05-16 01:43:09 -0400
commita4cc3ad3504d634e379369862c9f9fd8eed379f3 (patch)
tree7b6f55c352a4ca62dddaa1b4a6854799111d2d2f /jindroush/lib/cdisk.cpp
parentb33c25d1363110e6e4a714530f460b0ff951f56b (diff)
downloadbw-atari8-tools-a4cc3ad3504d634e379369862c9f9fd8eed379f3.tar.gz
Add Jindrich Kubec's tools.
Diffstat (limited to 'jindroush/lib/cdisk.cpp')
-rw-r--r--jindroush/lib/cdisk.cpp276
1 files changed, 276 insertions, 0 deletions
diff --git a/jindroush/lib/cdisk.cpp b/jindroush/lib/cdisk.cpp
new file mode 100644
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--- /dev/null
+++ b/jindroush/lib/cdisk.cpp
@@ -0,0 +1,276 @@
+// 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 "cdisk.h"
+#include "cdsk_atr.h"
+#include "cdsk_xfd.h"
+#include "cdsk_dcm.h"
+#include "cdsk_scp.h"
+
+
+CDisk::CDisk()
+{
+ m_bOpened = FALSE;
+ m_pbtMemory = NULL;
+
+ #ifdef _MEMORY_DUMP_
+ printf( "CDisk constructed: %08X\n", this );
+ #endif
+}
+
+CDisk::~CDisk()
+{
+ if ( m_pbtMemory )
+ {
+ delete [] m_pbtMemory;
+ m_pbtMemory = NULL;
+ }
+
+ #ifdef _MEMORY_DUMP_
+ printf( "CDisk destructed: %08X\n", this );
+ #endif
+}
+
+BOOL CDisk::Duplicate( CDisk* pDisk )
+{
+ if ( !Format( & ( pDisk->m_geometry ) ) )
+ return FALSE;
+
+ memcpy( m_pbtMemory, pDisk->m_pbtMemory, pDisk->m_iAllocated );
+ return TRUE;
+}
+
+BOOL CDisk::Format( DISK_GEOMETRY* pgeo )
+{
+ int iSectors = pgeo->iSides * pgeo->iTracks * pgeo->iSectorsPerTrack;
+
+ if ( m_pbtMemory )
+ delete [] m_pbtMemory;
+
+ m_iAllocated = iSectors * pgeo->iBytesPerSector;
+ m_pbtMemory = new BYTE [ m_iAllocated ];
+
+ if ( !m_pbtMemory )
+ {
+ sprintf( m_szLastError, "DISK: Can't format - Not enough memory!" );
+ return FALSE;
+ }
+
+ memset( m_pbtMemory, 0, m_iAllocated );
+
+ m_geometry.iSides = pgeo->iSides;
+ m_geometry.iTracks = pgeo->iTracks;
+ m_geometry.iSectorsPerTrack = pgeo->iSectorsPerTrack;
+ m_geometry.iBytesPerSector = pgeo->iBytesPerSector;
+ m_geometry.iSectors = iSectors;
+
+ return TRUE;
+}
+
+BOOL CDisk::ReadSector( void* pBuf, int iStartSec )
+{
+ if ( iStartSec && ( iStartSec <= m_geometry.iSectors ) )
+ memcpy( pBuf, m_pbtMemory + ( iStartSec - 1 ) * m_geometry.iBytesPerSector, m_geometry.iBytesPerSector );
+ else
+ {
+ sprintf( m_szLastError, "DISK: Reading non-existent sector: %04X", iStartSec );
+ return FALSE;
+ }
+
+ return TRUE;
+}
+
+BOOL CDisk::ReadSectors( void* pBuf, int iStartSec, int iSecs )
+{
+ while( iSecs )
+ {
+ if ( !ReadSector( pBuf, iStartSec ) )
+ return FALSE;
+
+ iStartSec++;
+ iSecs--;
+ pBuf = (BYTE*)pBuf + m_geometry.iBytesPerSector;
+ }
+
+ return TRUE;
+}
+
+BOOL CDisk::WriteSector( int iStartSec, void* pBuf )
+{
+ //printf( " ws: %d ", iStartSec );
+ if ( iStartSec && ( iStartSec <= m_geometry.iSectors ) )
+ memcpy( m_pbtMemory + ( iStartSec - 1 ) * m_geometry.iBytesPerSector, pBuf, m_geometry.iBytesPerSector );
+ else
+ {
+ sprintf( m_szLastError, "DISK: Writing non-existent sector: %04X", iStartSec );
+ return FALSE;
+ }
+
+ return TRUE;
+}
+
+void GuessClassicSizes( int iSectors, int iSectorSize, DISK_GEOMETRY* pGeometry )
+{
+ pGeometry->iSides = 1;
+ pGeometry->iBytesPerSector = iSectorSize;
+
+ pGeometry->iTracks = 1;
+ pGeometry->iSectorsPerTrack = iSectors;
+
+ switch( iSectors )
+ {
+ case 720:
+ switch( iSectorSize )
+ {
+ case 0x80:
+ pGeometry->iTracks = 40;
+ pGeometry->iSectorsPerTrack = 18;
+ break;
+
+ case 0x100:
+ pGeometry->iTracks = 40;
+ pGeometry->iSectorsPerTrack = 18;
+ break;
+ }
+ break;
+
+ case 1040:
+ pGeometry->iTracks = 40;
+ pGeometry->iSectorsPerTrack = 26;
+ break;
+
+ }
+
+}
+
+//returns ptr to disk type name
+char* GetDiskTypeName( DISK_TYPE disktype )
+{
+ switch( disktype )
+ {
+ case DISK_XFD:
+ return "XFD";
+
+ case DISK_ATR:
+ return "ATR";
+
+ case DISK_XFDb:
+ return "XFDb";
+
+ case DISK_ATRb:
+ return "ATRb";
+
+ case DISK_DCM:
+ return "DCM";
+
+ case DISK_SCP:
+ return "SCP";
+
+ default:
+ return "None";
+ }
+}
+
+//returns ptr to disk type extension
+char* GetDiskTypeExt( DISK_TYPE disktype )
+{
+ switch( disktype )
+ {
+ case DISK_XFD:
+ case DISK_XFDb:
+ return "xfd";
+
+ case DISK_ATR:
+ case DISK_ATRb:
+ return "atr";
+
+ case DISK_DCM:
+ return "dcm";
+
+ case DISK_SCP:
+ return "scp";
+
+ default:
+ return "xxx";
+ }
+}
+
+DISKINIT_RETCODE InitializeDisk( CDisk** ppDisk, DISK_TYPE disktype, char* szFname, BOOL bVerbose, BOOL bRepair, BOOL bRepairAuto )
+{
+ switch( disktype )
+ {
+ case DISK_ATR:
+ *ppDisk = new CAtr();
+ break;
+
+ case DISK_SCP:
+ *ppDisk = new CScp();
+ break;
+
+ case DISK_DCM:
+ *ppDisk = new CDcm();
+ break;
+
+ case DISK_XFD:
+ *ppDisk = new CXfd();
+ break;
+
+ default:
+ if ( bVerbose )
+ fprintf( stderr, "Invalid disk type specified!\n" );
+ return DI_RET_CANT_CONTINUE;
+ }
+
+ if ( !*ppDisk )
+ {
+ if ( bVerbose )
+ fprintf( stderr, "Can't initialize disk driver!\n" );
+ return DI_RET_CONTINUE;
+ }
+
+ if ( !(*ppDisk)->Load( szFname, bRepair, bRepairAuto ) )
+ {
+ int iError = (*ppDisk)->GetErrorCode();
+
+ DISKINIT_RETCODE ret = DI_RET_CONTINUE;
+
+ switch( iError )
+ {
+ case CATR_FORMAT_VIOLATED:
+ case CXFD_FORMAT_VIOLATED:
+ case CDISK_ERROR_CANT_OPEN:
+ case CDCM_FORMAT_VIOLATED:
+ case CSCP_FORMAT_VIOLATED:
+ ret = DI_RET_CANT_CONTINUE;
+ break;
+ }
+
+ if ( bVerbose || ( ret == DI_RET_CANT_CONTINUE ) )
+ {
+ printf( "Input file '%s' ", szFname );
+ printf( "(%s)\n", GetDiskTypeName( disktype ) );
+ printf( "Load failed because:\n%s\n", (*ppDisk)->GetLastError() );
+ }
+ if ( ret != DI_RET_OK )
+ {
+ delete *ppDisk;
+ return ret;
+ }
+ }
+
+ return DI_RET_OK;
+}
+
+