2017-07-19 16:31:08 +01:00
|
|
|
|
// /***************************************************************************
|
2016-08-26 01:43:15 +01:00
|
|
|
|
// The Disc Image Chef
|
|
|
|
|
|
// ----------------------------------------------------------------------------
|
|
|
|
|
|
//
|
|
|
|
|
|
// Filename : Info.cs
|
|
|
|
|
|
// Author(s) : Natalia Portillo <claunia@claunia.com>
|
|
|
|
|
|
//
|
2016-08-26 01:45:58 +01:00
|
|
|
|
// Component : CP/M filesystem plugin.
|
2016-08-26 01:43:15 +01:00
|
|
|
|
//
|
|
|
|
|
|
// --[ Description ] ----------------------------------------------------------
|
|
|
|
|
|
//
|
2016-08-26 01:45:58 +01:00
|
|
|
|
// Identifies the CP/M filesystem and shows information.
|
2016-08-26 01:43:15 +01:00
|
|
|
|
//
|
|
|
|
|
|
// --[ License ] --------------------------------------------------------------
|
|
|
|
|
|
//
|
|
|
|
|
|
// This library is free software; you can redistribute it and/or modify
|
|
|
|
|
|
// it under the terms of the GNU Lesser General Public License as
|
|
|
|
|
|
// published by the Free Software Foundation; either version 2.1 of the
|
|
|
|
|
|
// License, or (at your option) any later version.
|
|
|
|
|
|
//
|
|
|
|
|
|
// This library 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
|
|
|
|
|
|
// Lesser General Public License for more details.
|
|
|
|
|
|
//
|
|
|
|
|
|
// You should have received a copy of the GNU Lesser General Public
|
|
|
|
|
|
// License along with this library; if not, see <http://www.gnu.org/licenses/>.
|
|
|
|
|
|
//
|
|
|
|
|
|
// ----------------------------------------------------------------------------
|
2017-12-19 03:50:57 +00:00
|
|
|
|
// Copyright © 2011-2018 Natalia Portillo
|
2016-08-26 01:43:15 +01:00
|
|
|
|
// ****************************************************************************/
|
2017-12-19 19:33:46 +00:00
|
|
|
|
|
2016-08-26 01:43:15 +01:00
|
|
|
|
using System;
|
2016-08-26 01:45:58 +01:00
|
|
|
|
using System.IO;
|
|
|
|
|
|
using System.Linq;
|
|
|
|
|
|
using System.Runtime.InteropServices;
|
|
|
|
|
|
using System.Text;
|
2017-07-19 16:31:08 +01:00
|
|
|
|
using DiscImageChef.CommonTypes;
|
2016-08-26 01:45:58 +01:00
|
|
|
|
using DiscImageChef.Console;
|
|
|
|
|
|
using DiscImageChef.ImagePlugins;
|
|
|
|
|
|
|
2016-08-26 01:43:15 +01:00
|
|
|
|
namespace DiscImageChef.Filesystems.CPM
|
|
|
|
|
|
{
|
2016-08-26 01:45:58 +01:00
|
|
|
|
partial class CPM : Filesystem
|
2016-08-26 01:43:15 +01:00
|
|
|
|
{
|
2017-07-19 16:31:08 +01:00
|
|
|
|
public override bool Identify(ImagePlugin imagePlugin, Partition partition)
|
2016-08-26 01:43:15 +01:00
|
|
|
|
{
|
2017-12-07 02:34:43 +00:00
|
|
|
|
// This will only continue on devices with a chance to have ever been used by CP/M while failing on all others
|
|
|
|
|
|
// It's ugly, but will stop a lot of false positives
|
|
|
|
|
|
switch(imagePlugin.ImageInfo.mediaType)
|
|
|
|
|
|
{
|
|
|
|
|
|
case MediaType.Unknown:
|
|
|
|
|
|
case MediaType.Apple32SS:
|
|
|
|
|
|
case MediaType.Apple32DS:
|
|
|
|
|
|
case MediaType.Apple33SS:
|
|
|
|
|
|
case MediaType.Apple33DS:
|
|
|
|
|
|
case MediaType.DOS_525_SS_DD_8:
|
|
|
|
|
|
case MediaType.DOS_525_SS_DD_9:
|
|
|
|
|
|
case MediaType.DOS_525_DS_DD_8:
|
|
|
|
|
|
case MediaType.DOS_525_DS_DD_9:
|
|
|
|
|
|
case MediaType.DOS_525_HD:
|
|
|
|
|
|
case MediaType.DOS_35_SS_DD_8:
|
|
|
|
|
|
case MediaType.DOS_35_SS_DD_9:
|
|
|
|
|
|
case MediaType.DOS_35_DS_DD_8:
|
|
|
|
|
|
case MediaType.DOS_35_DS_DD_9:
|
|
|
|
|
|
case MediaType.DOS_35_HD:
|
|
|
|
|
|
case MediaType.DOS_35_ED:
|
|
|
|
|
|
case MediaType.IBM23FD:
|
|
|
|
|
|
case MediaType.IBM33FD_128:
|
|
|
|
|
|
case MediaType.IBM33FD_256:
|
|
|
|
|
|
case MediaType.IBM33FD_512:
|
|
|
|
|
|
case MediaType.IBM43FD_128:
|
|
|
|
|
|
case MediaType.IBM43FD_256:
|
|
|
|
|
|
case MediaType.IBM53FD_256:
|
|
|
|
|
|
case MediaType.IBM53FD_512:
|
|
|
|
|
|
case MediaType.IBM53FD_1024:
|
|
|
|
|
|
case MediaType.RX01:
|
|
|
|
|
|
case MediaType.RX02:
|
|
|
|
|
|
case MediaType.RX03:
|
|
|
|
|
|
case MediaType.RX50:
|
|
|
|
|
|
case MediaType.ACORN_525_SS_SD_40:
|
|
|
|
|
|
case MediaType.ACORN_525_SS_SD_80:
|
|
|
|
|
|
case MediaType.ACORN_525_SS_DD_40:
|
|
|
|
|
|
case MediaType.ACORN_525_SS_DD_80:
|
|
|
|
|
|
case MediaType.ACORN_525_DS_DD:
|
|
|
|
|
|
case MediaType.ATARI_525_SD:
|
|
|
|
|
|
case MediaType.ATARI_525_ED:
|
|
|
|
|
|
case MediaType.ATARI_525_DD:
|
|
|
|
|
|
case MediaType.CBM_35_DD:
|
|
|
|
|
|
case MediaType.CBM_1540:
|
|
|
|
|
|
case MediaType.CBM_1540_Ext:
|
|
|
|
|
|
case MediaType.CBM_1571:
|
|
|
|
|
|
case MediaType.NEC_8_SD:
|
|
|
|
|
|
case MediaType.NEC_8_DD:
|
|
|
|
|
|
case MediaType.NEC_525_SS:
|
|
|
|
|
|
case MediaType.NEC_525_DS:
|
|
|
|
|
|
case MediaType.NEC_525_HD:
|
|
|
|
|
|
case MediaType.NEC_35_HD_8:
|
|
|
|
|
|
case MediaType.NEC_35_HD_15:
|
|
|
|
|
|
case MediaType.SHARP_525:
|
|
|
|
|
|
case MediaType.SHARP_525_9:
|
|
|
|
|
|
case MediaType.SHARP_35:
|
|
|
|
|
|
case MediaType.SHARP_35_9:
|
|
|
|
|
|
case MediaType.ECMA_99_8:
|
|
|
|
|
|
case MediaType.ECMA_99_15:
|
|
|
|
|
|
case MediaType.ECMA_99_26:
|
|
|
|
|
|
case MediaType.ECMA_100:
|
|
|
|
|
|
case MediaType.ECMA_125:
|
|
|
|
|
|
case MediaType.ECMA_147:
|
|
|
|
|
|
case MediaType.ECMA_54:
|
|
|
|
|
|
case MediaType.ECMA_59:
|
|
|
|
|
|
case MediaType.ECMA_66:
|
|
|
|
|
|
case MediaType.ECMA_69_8:
|
|
|
|
|
|
case MediaType.ECMA_69_15:
|
|
|
|
|
|
case MediaType.ECMA_69_26:
|
|
|
|
|
|
case MediaType.ECMA_70:
|
|
|
|
|
|
case MediaType.ECMA_78:
|
|
|
|
|
|
case MediaType.ECMA_78_2:
|
|
|
|
|
|
case MediaType.Apricot_35:
|
|
|
|
|
|
case MediaType.CompactFloppy:
|
|
|
|
|
|
case MediaType.DemiDiskette:
|
|
|
|
|
|
case MediaType.QuickDisk:
|
|
|
|
|
|
case MediaType.Wafer:
|
|
|
|
|
|
case MediaType.ZXMicrodrive:
|
|
|
|
|
|
case MediaType.AppleProfile:
|
|
|
|
|
|
case MediaType.AppleWidget:
|
|
|
|
|
|
case MediaType.AppleHD20:
|
|
|
|
|
|
case MediaType.RA60:
|
|
|
|
|
|
case MediaType.RA80:
|
|
|
|
|
|
case MediaType.RA81:
|
|
|
|
|
|
case MediaType.RC25:
|
|
|
|
|
|
case MediaType.RD31:
|
|
|
|
|
|
case MediaType.RD32:
|
|
|
|
|
|
case MediaType.RD51:
|
|
|
|
|
|
case MediaType.RD52:
|
|
|
|
|
|
case MediaType.RD53:
|
|
|
|
|
|
case MediaType.RD54:
|
|
|
|
|
|
case MediaType.RK06:
|
|
|
|
|
|
case MediaType.RK06_18:
|
|
|
|
|
|
case MediaType.RK07:
|
|
|
|
|
|
case MediaType.RK07_18:
|
|
|
|
|
|
case MediaType.RM02:
|
|
|
|
|
|
case MediaType.RM03:
|
|
|
|
|
|
case MediaType.RM05:
|
|
|
|
|
|
case MediaType.RP02:
|
|
|
|
|
|
case MediaType.RP02_18:
|
|
|
|
|
|
case MediaType.RP03:
|
|
|
|
|
|
case MediaType.RP03_18:
|
|
|
|
|
|
case MediaType.RP04:
|
|
|
|
|
|
case MediaType.RP04_18:
|
|
|
|
|
|
case MediaType.RP05:
|
|
|
|
|
|
case MediaType.RP05_18:
|
|
|
|
|
|
case MediaType.RP06:
|
|
|
|
|
|
case MediaType.RP06_18:
|
|
|
|
|
|
case MediaType.GENERIC_HDD:
|
|
|
|
|
|
case MediaType.FlashDrive:
|
|
|
|
|
|
break;
|
|
|
|
|
|
default:
|
|
|
|
|
|
return false;
|
|
|
|
|
|
}
|
|
|
|
|
|
|
2016-08-26 01:45:58 +01:00
|
|
|
|
// This will try to identify a CP/M filesystem
|
|
|
|
|
|
// However as it contains no identification marks whatsoever it's more something of trial-and-error
|
|
|
|
|
|
// As anything can happen, better try{}catch{} than sorry ;)
|
|
|
|
|
|
try
|
|
|
|
|
|
{
|
|
|
|
|
|
byte[] sector;
|
|
|
|
|
|
ulong sectorCount;
|
|
|
|
|
|
ulong sectorSize;
|
|
|
|
|
|
ulong sides;
|
|
|
|
|
|
ulong firstDirectorySector;
|
|
|
|
|
|
byte[] directory = null;
|
|
|
|
|
|
workingDefinition = null;
|
|
|
|
|
|
label = null;
|
|
|
|
|
|
|
|
|
|
|
|
// Try Amstrad superblock
|
|
|
|
|
|
if(!cpmFound)
|
|
|
|
|
|
{
|
|
|
|
|
|
// Read CHS = {0,0,1}
|
2017-07-19 16:37:11 +01:00
|
|
|
|
sector = imagePlugin.ReadSector(0 + partition.Start);
|
2016-08-26 01:45:58 +01:00
|
|
|
|
int amsSbOffset = 0;
|
|
|
|
|
|
|
|
|
|
|
|
uint sig1, sig2, sig3;
|
|
|
|
|
|
sig1 = BitConverter.ToUInt32(sector, 0x2B);
|
|
|
|
|
|
sig2 = BitConverter.ToUInt32(sector, 0x33) & 0x00FFFFFF;
|
|
|
|
|
|
sig3 = BitConverter.ToUInt32(sector, 0x7C);
|
|
|
|
|
|
|
|
|
|
|
|
// PCW16 extended boot record
|
|
|
|
|
|
if(sig1 == 0x4D2F5043 && sig2 == 0x004B5344 && sig3 == sig1)
|
|
|
|
|
|
amsSbOffset = 0x80;
|
|
|
|
|
|
|
|
|
|
|
|
// Read the superblock
|
|
|
|
|
|
AmstradSuperBlock amsSb = new AmstradSuperBlock();
|
|
|
|
|
|
IntPtr amsPtr = Marshal.AllocHGlobal(16);
|
|
|
|
|
|
Marshal.Copy(sector, amsSbOffset, amsPtr, 16);
|
|
|
|
|
|
amsSb = (AmstradSuperBlock)Marshal.PtrToStructure(amsPtr, typeof(AmstradSuperBlock));
|
|
|
|
|
|
Marshal.FreeHGlobal(amsPtr);
|
|
|
|
|
|
|
|
|
|
|
|
// Check that format byte and sidedness indicate the same number of sizes
|
|
|
|
|
|
if((amsSb.format == 0 && (amsSb.sidedness & 0x02) == 0) ||
|
|
|
|
|
|
(amsSb.format == 2 && (amsSb.sidedness & 0x02) == 1) ||
|
|
|
|
|
|
(amsSb.format == 2 && (amsSb.sidedness & 0x02) == 2))
|
|
|
|
|
|
{
|
|
|
|
|
|
// Calculate device limits
|
|
|
|
|
|
sides = (ulong)(amsSb.format == 0 ? 1 : 2);
|
|
|
|
|
|
sectorCount = (ulong)(amsSb.tps * amsSb.spt * (byte)sides);
|
|
|
|
|
|
sectorSize = (ulong)(128 << amsSb.psh);
|
|
|
|
|
|
|
|
|
|
|
|
// Compare device limits from superblock to real limits
|
|
|
|
|
|
if(sectorSize == imagePlugin.GetSectorSize() &&
|
|
|
|
|
|
sectorCount == imagePlugin.GetSectors())
|
|
|
|
|
|
{
|
|
|
|
|
|
cpmFound = true;
|
|
|
|
|
|
firstDirectorySector = (ulong)((amsSb.off * amsSb.spt));
|
|
|
|
|
|
|
|
|
|
|
|
// Build a DiscParameterBlock
|
|
|
|
|
|
dpb = new DiscParameterBlock();
|
|
|
|
|
|
dpb.al0 = sectorCount == 1440 ? (byte)0xF0 : (byte)0xC0;
|
|
|
|
|
|
dpb.spt = amsSb.spt;
|
|
|
|
|
|
dpb.bsh = amsSb.bsh;
|
|
|
|
|
|
for(int i = 0; i < dpb.bsh; i++)
|
|
|
|
|
|
dpb.blm += (byte)Math.Pow(2, i);
|
|
|
|
|
|
if(sectorCount >= 1440)
|
|
|
|
|
|
{
|
|
|
|
|
|
dpb.cks = 0x40;
|
|
|
|
|
|
dpb.drm = 0xFF;
|
|
|
|
|
|
}
|
|
|
|
|
|
else
|
|
|
|
|
|
{
|
|
|
|
|
|
dpb.cks = 0x10;
|
|
|
|
|
|
dpb.drm = 0x3F;
|
|
|
|
|
|
}
|
|
|
|
|
|
dpb.dsm = 0; // I don't care
|
|
|
|
|
|
dpb.exm = sectorCount == 2880 ? (byte)1 : (byte)0;
|
|
|
|
|
|
dpb.off = amsSb.off;
|
|
|
|
|
|
dpb.psh = amsSb.psh;
|
|
|
|
|
|
for(int i = 0; i < dpb.psh; i++)
|
|
|
|
|
|
dpb.phm += (byte)Math.Pow(2, i);
|
|
|
|
|
|
dpb.spt = (ushort)(amsSb.spt * (sectorSize / 128));
|
|
|
|
|
|
uint directoryLength = (uint)((((ulong)dpb.drm + 1) * 32) / sectorSize);
|
2017-09-25 21:08:44 +01:00
|
|
|
|
directory = imagePlugin.ReadSectors(firstDirectorySector + partition.Start, directoryLength);
|
2016-08-26 01:45:58 +01:00
|
|
|
|
|
|
|
|
|
|
// Build a CP/M disk definition
|
|
|
|
|
|
workingDefinition = new CpmDefinition();
|
|
|
|
|
|
workingDefinition.al0 = dpb.al0;
|
|
|
|
|
|
workingDefinition.al1 = dpb.al1;
|
|
|
|
|
|
workingDefinition.bitrate = "LOW";
|
|
|
|
|
|
workingDefinition.blm = dpb.blm;
|
|
|
|
|
|
workingDefinition.bsh = dpb.bsh;
|
|
|
|
|
|
workingDefinition.bytesPerSector = 512;
|
|
|
|
|
|
workingDefinition.cylinders = amsSb.tps;
|
|
|
|
|
|
workingDefinition.drm = dpb.drm;
|
|
|
|
|
|
workingDefinition.dsm = dpb.dsm;
|
|
|
|
|
|
workingDefinition.encoding = "MFM";
|
|
|
|
|
|
workingDefinition.evenOdd = false;
|
|
|
|
|
|
workingDefinition.exm = dpb.exm;
|
|
|
|
|
|
workingDefinition.label = null;
|
|
|
|
|
|
workingDefinition.comment = "Amstrad PCW superblock";
|
|
|
|
|
|
workingDefinition.ofs = dpb.off;
|
|
|
|
|
|
workingDefinition.sectorsPerTrack = amsSb.spt;
|
|
|
|
|
|
|
|
|
|
|
|
workingDefinition.side1 = new Side();
|
|
|
|
|
|
workingDefinition.side1.sideId = 0;
|
|
|
|
|
|
workingDefinition.side1.sectorIds = new int[amsSb.spt];
|
|
|
|
|
|
for(int si = 0; si < amsSb.spt; si++)
|
|
|
|
|
|
workingDefinition.side1.sectorIds[si] = si + 1;
|
|
|
|
|
|
|
|
|
|
|
|
if(amsSb.format == 2)
|
|
|
|
|
|
{
|
|
|
|
|
|
if((amsSb.sidedness & 0x02) == 1)
|
|
|
|
|
|
workingDefinition.order = "SIDES";
|
|
|
|
|
|
else if((amsSb.sidedness & 0x02) == 2)
|
|
|
|
|
|
workingDefinition.order = "CYLINDERS";
|
|
|
|
|
|
else
|
|
|
|
|
|
workingDefinition.order = null;
|
|
|
|
|
|
|
|
|
|
|
|
workingDefinition.side2 = new Side();
|
|
|
|
|
|
workingDefinition.side2.sideId = 1;
|
|
|
|
|
|
workingDefinition.side2.sectorIds = new int[amsSb.spt];
|
|
|
|
|
|
for(int si = 0; si < amsSb.spt; si++)
|
|
|
|
|
|
workingDefinition.side2.sectorIds[si] = si + 1;
|
|
|
|
|
|
}
|
|
|
|
|
|
else
|
|
|
|
|
|
workingDefinition.order = null;
|
|
|
|
|
|
|
|
|
|
|
|
workingDefinition.skew = 2;
|
|
|
|
|
|
workingDefinition.sofs = 0;
|
|
|
|
|
|
|
|
|
|
|
|
DicConsole.DebugWriteLine("CP/M Plugin", "Found Amstrad superblock.");
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
// Try CP/M-86 superblock for hard disks
|
|
|
|
|
|
if(!cpmFound)
|
|
|
|
|
|
{
|
|
|
|
|
|
// Read CHS = {0,0,4}
|
2017-07-19 16:37:11 +01:00
|
|
|
|
sector = imagePlugin.ReadSector(3 + partition.Start);
|
2016-08-26 01:45:58 +01:00
|
|
|
|
ushort sum = 0;
|
|
|
|
|
|
|
|
|
|
|
|
// Sum of all 16-bit words that make this sector must be 0
|
|
|
|
|
|
for(int i = 0; i < sector.Length; i += 2)
|
|
|
|
|
|
sum += BitConverter.ToUInt16(sector, i);
|
|
|
|
|
|
|
|
|
|
|
|
// It may happen that there is a corrupted superblock
|
|
|
|
|
|
// Better to ignore corrupted than to false positive the rest
|
|
|
|
|
|
if(sum == 0)
|
|
|
|
|
|
{
|
|
|
|
|
|
// Read the superblock
|
|
|
|
|
|
HardDiskSuperBlock hddSb = new HardDiskSuperBlock();
|
2016-08-26 07:24:14 +01:00
|
|
|
|
IntPtr hddPtr = Marshal.AllocHGlobal(Marshal.SizeOf(hddSb));
|
2016-08-26 01:45:58 +01:00
|
|
|
|
Marshal.Copy(sector, 0, hddPtr, Marshal.SizeOf(hddSb));
|
|
|
|
|
|
hddSb = (HardDiskSuperBlock)Marshal.PtrToStructure(hddPtr, typeof(HardDiskSuperBlock));
|
|
|
|
|
|
Marshal.FreeHGlobal(hddPtr);
|
|
|
|
|
|
|
|
|
|
|
|
// Calculate volume size
|
|
|
|
|
|
sectorSize = (ulong)(hddSb.recordsPerSector * 128);
|
|
|
|
|
|
ulong sectorsInPartition = (ulong)(hddSb.cylinders * hddSb.heads * hddSb.sectorsPerTrack);
|
|
|
|
|
|
ulong startingSector = (ulong)((hddSb.firstCylinder * hddSb.heads + hddSb.heads) * hddSb.sectorsPerTrack);
|
|
|
|
|
|
|
|
|
|
|
|
// If volume size corresponds with working partition (this variant will be inside MBR partitioning)
|
|
|
|
|
|
if(sectorSize == imagePlugin.GetSectorSize() &&
|
2017-07-19 16:37:11 +01:00
|
|
|
|
startingSector == partition.Start &&
|
|
|
|
|
|
sectorsInPartition + partition.Start <= partition.End)
|
2016-08-26 01:45:58 +01:00
|
|
|
|
{
|
|
|
|
|
|
cpmFound = true;
|
|
|
|
|
|
firstDirectorySector = (ulong)((hddSb.off * hddSb.sectorsPerTrack));
|
|
|
|
|
|
|
|
|
|
|
|
// Build a DiscParameterBlock
|
|
|
|
|
|
dpb = new DiscParameterBlock();
|
|
|
|
|
|
dpb.al0 = (byte)hddSb.al0;
|
|
|
|
|
|
dpb.al1 = (byte)hddSb.al1;
|
|
|
|
|
|
dpb.blm = hddSb.blm;
|
|
|
|
|
|
dpb.bsh = hddSb.bsh;
|
|
|
|
|
|
dpb.cks = hddSb.cks;
|
|
|
|
|
|
dpb.drm = hddSb.drm;
|
|
|
|
|
|
dpb.dsm = hddSb.dsm;
|
|
|
|
|
|
dpb.exm = hddSb.exm;
|
|
|
|
|
|
dpb.off = hddSb.off;
|
|
|
|
|
|
dpb.phm = 0; // Needed?
|
|
|
|
|
|
dpb.psh = 0; // Needed?
|
|
|
|
|
|
dpb.spt = hddSb.spt;
|
|
|
|
|
|
uint directoryLength = (uint)((((ulong)dpb.drm + 1) * 32) / sectorSize);
|
2017-09-25 21:08:44 +01:00
|
|
|
|
directory = imagePlugin.ReadSectors(firstDirectorySector + partition.Start, directoryLength);
|
2016-08-26 01:45:58 +01:00
|
|
|
|
DicConsole.DebugWriteLine("CP/M Plugin", "Found CP/M-86 hard disk superblock.");
|
|
|
|
|
|
|
|
|
|
|
|
// Build a CP/M disk definition
|
|
|
|
|
|
workingDefinition = new CpmDefinition();
|
|
|
|
|
|
workingDefinition.al0 = dpb.al0;
|
|
|
|
|
|
workingDefinition.al1 = dpb.al1;
|
|
|
|
|
|
workingDefinition.bitrate = "HIGH";
|
|
|
|
|
|
workingDefinition.blm = dpb.blm;
|
|
|
|
|
|
workingDefinition.bsh = dpb.bsh;
|
|
|
|
|
|
workingDefinition.bytesPerSector = 512;
|
|
|
|
|
|
workingDefinition.cylinders = hddSb.cylinders;
|
|
|
|
|
|
workingDefinition.drm = dpb.drm;
|
|
|
|
|
|
workingDefinition.dsm = dpb.dsm;
|
|
|
|
|
|
workingDefinition.encoding = "MFM";
|
|
|
|
|
|
workingDefinition.evenOdd = false;
|
|
|
|
|
|
workingDefinition.exm = dpb.exm;
|
|
|
|
|
|
workingDefinition.label = null;
|
|
|
|
|
|
workingDefinition.comment = "CP/M-86 hard disk superblock";
|
|
|
|
|
|
workingDefinition.ofs = dpb.off;
|
|
|
|
|
|
workingDefinition.sectorsPerTrack = hddSb.sectorsPerTrack;
|
|
|
|
|
|
workingDefinition.side1 = new Side();
|
|
|
|
|
|
workingDefinition.side1.sideId = 0;
|
|
|
|
|
|
workingDefinition.side1.sectorIds = new int[hddSb.sectorsPerTrack];
|
|
|
|
|
|
for(int si = 0; si < hddSb.sectorsPerTrack; si++)
|
|
|
|
|
|
workingDefinition.side1.sectorIds[si] = si + 1;
|
|
|
|
|
|
workingDefinition.order = "SIDES";
|
|
|
|
|
|
workingDefinition.side2 = new Side();
|
|
|
|
|
|
workingDefinition.side2.sideId = 1;
|
|
|
|
|
|
workingDefinition.side2.sectorIds = new int[hddSb.sectorsPerTrack];
|
|
|
|
|
|
for(int si = 0; si < hddSb.spt; si++)
|
|
|
|
|
|
workingDefinition.side2.sectorIds[si] = si + 1;
|
|
|
|
|
|
workingDefinition.skew = 0;
|
|
|
|
|
|
workingDefinition.sofs = 0;
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
// Try CP/M-86 format ID for floppies
|
|
|
|
|
|
if(!cpmFound)
|
|
|
|
|
|
{
|
|
|
|
|
|
// Read CHS = {0,0,1}
|
2017-07-19 16:37:11 +01:00
|
|
|
|
sector = imagePlugin.ReadSector(0 + partition.Start);
|
2016-08-26 01:45:58 +01:00
|
|
|
|
byte formatByte;
|
|
|
|
|
|
|
|
|
|
|
|
// Check for alternate location of format ID
|
|
|
|
|
|
if(sector.Last() == 0x00 || sector.Last() == 0xFF)
|
|
|
|
|
|
{
|
|
|
|
|
|
if(sector[0x40] == 0x94 || sector[0x40] == 0x26)
|
|
|
|
|
|
formatByte = sector[0x40];
|
|
|
|
|
|
else
|
|
|
|
|
|
formatByte = sector.Last();
|
|
|
|
|
|
}
|
|
|
|
|
|
else
|
|
|
|
|
|
formatByte = sector.Last();
|
|
|
|
|
|
|
|
|
|
|
|
uint firstDirectorySector86 = 0;
|
|
|
|
|
|
|
|
|
|
|
|
// Check format ID
|
|
|
|
|
|
// If it is one of the known IDs, check disk size corresponds to the one we expect
|
|
|
|
|
|
// If so, build a DiscParameterBlock and a CP/M disk definition
|
|
|
|
|
|
// Will not work on over-formatted disks (40 cylinder volume on an 80 cylinder disk,
|
|
|
|
|
|
// something that happens a lot in IBM PC 5.25" disks)
|
|
|
|
|
|
switch((FormatByte)formatByte)
|
|
|
|
|
|
{
|
|
|
|
|
|
case FormatByte.k160:
|
|
|
|
|
|
if(imagePlugin.GetSectorSize() == 512 && imagePlugin.GetSectors() == 320)
|
|
|
|
|
|
{
|
|
|
|
|
|
cpmFound = true;
|
|
|
|
|
|
firstDirectorySector86 = 8;
|
|
|
|
|
|
dpb = new DiscParameterBlock();
|
|
|
|
|
|
dpb.al0 = 0xC0;
|
|
|
|
|
|
dpb.al1 = 0;
|
|
|
|
|
|
dpb.blm = 7;
|
|
|
|
|
|
dpb.bsh = 3;
|
|
|
|
|
|
dpb.cks = 0x10;
|
|
|
|
|
|
dpb.drm = 0x3F;
|
|
|
|
|
|
dpb.dsm = 0x9B;
|
|
|
|
|
|
dpb.exm = 0;
|
|
|
|
|
|
dpb.off = 1;
|
|
|
|
|
|
dpb.phm = 3;
|
|
|
|
|
|
dpb.psh = 2;
|
|
|
|
|
|
dpb.spt = 8 * 4;
|
|
|
|
|
|
|
|
|
|
|
|
workingDefinition = new CpmDefinition();
|
|
|
|
|
|
workingDefinition.al0 = dpb.al0;
|
|
|
|
|
|
workingDefinition.al1 = dpb.al1;
|
|
|
|
|
|
workingDefinition.bitrate = "LOW";
|
|
|
|
|
|
workingDefinition.blm = dpb.blm;
|
|
|
|
|
|
workingDefinition.bsh = dpb.bsh;
|
|
|
|
|
|
workingDefinition.bytesPerSector = 512;
|
|
|
|
|
|
workingDefinition.cylinders = 40;
|
|
|
|
|
|
workingDefinition.drm = dpb.drm;
|
|
|
|
|
|
workingDefinition.dsm = dpb.dsm;
|
|
|
|
|
|
workingDefinition.encoding = "MFM";
|
|
|
|
|
|
workingDefinition.evenOdd = false;
|
|
|
|
|
|
workingDefinition.exm = dpb.exm;
|
|
|
|
|
|
workingDefinition.label = null;
|
|
|
|
|
|
workingDefinition.comment = "CP/M-86 floppy identifier";
|
|
|
|
|
|
workingDefinition.ofs = dpb.off;
|
|
|
|
|
|
workingDefinition.sectorsPerTrack = 8;
|
|
|
|
|
|
workingDefinition.side1 = new Side();
|
|
|
|
|
|
workingDefinition.side1.sideId = 0;
|
|
|
|
|
|
workingDefinition.side1.sectorIds = new int[8];
|
|
|
|
|
|
for(int si = 0; si < 8; si++)
|
|
|
|
|
|
workingDefinition.side1.sectorIds[si] = si + 1;
|
|
|
|
|
|
workingDefinition.skew = 0;
|
|
|
|
|
|
workingDefinition.sofs = 0;
|
|
|
|
|
|
}
|
|
|
|
|
|
break;
|
|
|
|
|
|
case FormatByte.k320:
|
|
|
|
|
|
if(imagePlugin.GetSectorSize() == 512 && imagePlugin.GetSectors() == 640)
|
|
|
|
|
|
{
|
|
|
|
|
|
cpmFound = true;
|
2017-09-25 21:17:20 +01:00
|
|
|
|
firstDirectorySector86 = 16;
|
2016-08-26 01:45:58 +01:00
|
|
|
|
dpb = new DiscParameterBlock();
|
|
|
|
|
|
dpb.al0 = 0x80;
|
|
|
|
|
|
dpb.al1 = 0;
|
|
|
|
|
|
dpb.blm = 0x0F;
|
|
|
|
|
|
dpb.bsh = 4;
|
|
|
|
|
|
dpb.cks = 0x10;
|
|
|
|
|
|
dpb.drm = 0x3F;
|
|
|
|
|
|
dpb.dsm = 0x9D;
|
|
|
|
|
|
dpb.exm = 1;
|
2017-09-25 21:17:20 +01:00
|
|
|
|
dpb.off = 2;
|
2016-08-26 01:45:58 +01:00
|
|
|
|
dpb.phm = 3;
|
|
|
|
|
|
dpb.psh = 2;
|
|
|
|
|
|
dpb.spt = 8 * 4;
|
|
|
|
|
|
|
|
|
|
|
|
workingDefinition = new CpmDefinition();
|
|
|
|
|
|
workingDefinition.al0 = dpb.al0;
|
|
|
|
|
|
workingDefinition.al1 = dpb.al1;
|
|
|
|
|
|
workingDefinition.bitrate = "LOW";
|
|
|
|
|
|
workingDefinition.blm = dpb.blm;
|
|
|
|
|
|
workingDefinition.bsh = dpb.bsh;
|
|
|
|
|
|
workingDefinition.bytesPerSector = 512;
|
|
|
|
|
|
workingDefinition.cylinders = 40;
|
|
|
|
|
|
workingDefinition.drm = dpb.drm;
|
|
|
|
|
|
workingDefinition.dsm = dpb.dsm;
|
|
|
|
|
|
workingDefinition.encoding = "MFM";
|
|
|
|
|
|
workingDefinition.evenOdd = false;
|
|
|
|
|
|
workingDefinition.exm = dpb.exm;
|
|
|
|
|
|
workingDefinition.label = null;
|
|
|
|
|
|
workingDefinition.comment = "CP/M-86 floppy identifier";
|
|
|
|
|
|
workingDefinition.ofs = dpb.off;
|
|
|
|
|
|
workingDefinition.sectorsPerTrack = 8;
|
|
|
|
|
|
workingDefinition.side1 = new Side();
|
|
|
|
|
|
workingDefinition.side1.sideId = 0;
|
|
|
|
|
|
workingDefinition.side1.sectorIds = new int[8];
|
|
|
|
|
|
for(int si = 0; si < 8; si++)
|
|
|
|
|
|
workingDefinition.side1.sectorIds[si] = si + 1;
|
|
|
|
|
|
workingDefinition.order = "SIDES";
|
|
|
|
|
|
workingDefinition.side2 = new Side();
|
|
|
|
|
|
workingDefinition.side2.sideId = 1;
|
|
|
|
|
|
workingDefinition.side2.sectorIds = new int[8];
|
|
|
|
|
|
for(int si = 0; si < 8; si++)
|
|
|
|
|
|
workingDefinition.side2.sectorIds[si] = si + 1;
|
|
|
|
|
|
workingDefinition.skew = 0;
|
|
|
|
|
|
workingDefinition.sofs = 0;
|
|
|
|
|
|
}
|
|
|
|
|
|
break;
|
|
|
|
|
|
case FormatByte.k360:
|
|
|
|
|
|
case FormatByte.k360Alt:
|
|
|
|
|
|
case FormatByte.k360Alt2:
|
|
|
|
|
|
if(imagePlugin.GetSectorSize() == 512 && imagePlugin.GetSectors() == 720)
|
|
|
|
|
|
{
|
|
|
|
|
|
cpmFound = true;
|
|
|
|
|
|
firstDirectorySector86 = 36;
|
|
|
|
|
|
dpb = new DiscParameterBlock();
|
|
|
|
|
|
dpb.al0 = 0x80;
|
|
|
|
|
|
dpb.al1 = 0;
|
|
|
|
|
|
dpb.blm = 0x0F;
|
|
|
|
|
|
dpb.bsh = 4;
|
|
|
|
|
|
dpb.cks = 0x10;
|
|
|
|
|
|
dpb.drm = 0x3F;
|
|
|
|
|
|
dpb.dsm = 0; // Unknown. Needed?
|
|
|
|
|
|
dpb.exm = 1;
|
|
|
|
|
|
dpb.off = 4;
|
|
|
|
|
|
dpb.phm = 3;
|
|
|
|
|
|
dpb.psh = 2;
|
|
|
|
|
|
dpb.spt = 9 * 4;
|
|
|
|
|
|
|
|
|
|
|
|
workingDefinition = new CpmDefinition();
|
|
|
|
|
|
workingDefinition.al0 = dpb.al0;
|
|
|
|
|
|
workingDefinition.al1 = dpb.al1;
|
|
|
|
|
|
workingDefinition.bitrate = "LOW";
|
|
|
|
|
|
workingDefinition.blm = dpb.blm;
|
|
|
|
|
|
workingDefinition.bsh = dpb.bsh;
|
|
|
|
|
|
workingDefinition.bytesPerSector = 512;
|
|
|
|
|
|
workingDefinition.cylinders = 40;
|
|
|
|
|
|
workingDefinition.drm = dpb.drm;
|
|
|
|
|
|
workingDefinition.dsm = dpb.dsm;
|
|
|
|
|
|
workingDefinition.encoding = "MFM";
|
|
|
|
|
|
workingDefinition.evenOdd = false;
|
|
|
|
|
|
workingDefinition.exm = dpb.exm;
|
|
|
|
|
|
workingDefinition.label = null;
|
|
|
|
|
|
workingDefinition.comment = "CP/M-86 floppy identifier";
|
|
|
|
|
|
workingDefinition.ofs = dpb.off;
|
|
|
|
|
|
workingDefinition.sectorsPerTrack = 9;
|
|
|
|
|
|
workingDefinition.side1 = new Side();
|
|
|
|
|
|
workingDefinition.side1.sideId = 0;
|
|
|
|
|
|
workingDefinition.side1.sectorIds = new int[9];
|
|
|
|
|
|
for(int si = 0; si < 9; si++)
|
|
|
|
|
|
workingDefinition.side1.sectorIds[si] = si + 1;
|
|
|
|
|
|
workingDefinition.order = "SIDES";
|
|
|
|
|
|
workingDefinition.side2 = new Side();
|
|
|
|
|
|
workingDefinition.side2.sideId = 1;
|
|
|
|
|
|
workingDefinition.side2.sectorIds = new int[9];
|
|
|
|
|
|
for(int si = 0; si < 9; si++)
|
|
|
|
|
|
workingDefinition.side2.sectorIds[si] = si + 1;
|
|
|
|
|
|
workingDefinition.skew = 0;
|
|
|
|
|
|
workingDefinition.sofs = 0;
|
|
|
|
|
|
}
|
|
|
|
|
|
break;
|
|
|
|
|
|
case FormatByte.k720:
|
|
|
|
|
|
case FormatByte.k720Alt:
|
|
|
|
|
|
if(imagePlugin.GetSectorSize() == 512 && imagePlugin.GetSectors() == 1440)
|
|
|
|
|
|
{
|
|
|
|
|
|
cpmFound = true;
|
|
|
|
|
|
firstDirectorySector86 = 36;
|
|
|
|
|
|
dpb = new DiscParameterBlock();
|
|
|
|
|
|
dpb.al0 = 0xF0;
|
|
|
|
|
|
dpb.al1 = 0;
|
|
|
|
|
|
dpb.blm = 0x0F;
|
|
|
|
|
|
dpb.bsh = 4;
|
|
|
|
|
|
dpb.cks = 0x40;
|
|
|
|
|
|
dpb.drm = 0xFF;
|
|
|
|
|
|
dpb.dsm = 0x15E;
|
|
|
|
|
|
dpb.exm = 0;
|
|
|
|
|
|
dpb.off = 4;
|
|
|
|
|
|
dpb.phm = 3;
|
|
|
|
|
|
dpb.psh = 2;
|
|
|
|
|
|
dpb.spt = 9 * 4;
|
|
|
|
|
|
|
|
|
|
|
|
workingDefinition = new CpmDefinition();
|
|
|
|
|
|
workingDefinition.al0 = dpb.al0;
|
|
|
|
|
|
workingDefinition.al1 = dpb.al1;
|
|
|
|
|
|
workingDefinition.bitrate = "LOW";
|
|
|
|
|
|
workingDefinition.blm = dpb.blm;
|
|
|
|
|
|
workingDefinition.bsh = dpb.bsh;
|
|
|
|
|
|
workingDefinition.bytesPerSector = 512;
|
|
|
|
|
|
workingDefinition.cylinders = 80;
|
|
|
|
|
|
workingDefinition.drm = dpb.drm;
|
|
|
|
|
|
workingDefinition.dsm = dpb.dsm;
|
|
|
|
|
|
workingDefinition.encoding = "MFM";
|
|
|
|
|
|
workingDefinition.evenOdd = false;
|
|
|
|
|
|
workingDefinition.exm = dpb.exm;
|
|
|
|
|
|
workingDefinition.label = null;
|
|
|
|
|
|
workingDefinition.comment = "CP/M-86 floppy identifier";
|
|
|
|
|
|
workingDefinition.ofs = dpb.off;
|
|
|
|
|
|
workingDefinition.sectorsPerTrack = 9;
|
|
|
|
|
|
workingDefinition.side1 = new Side();
|
|
|
|
|
|
workingDefinition.side1.sideId = 0;
|
|
|
|
|
|
workingDefinition.side1.sectorIds = new int[9];
|
|
|
|
|
|
for(int si = 0; si < 9; si++)
|
|
|
|
|
|
workingDefinition.side1.sectorIds[si] = si + 1;
|
|
|
|
|
|
workingDefinition.order = "SIDES";
|
|
|
|
|
|
workingDefinition.side2 = new Side();
|
|
|
|
|
|
workingDefinition.side2.sideId = 1;
|
|
|
|
|
|
workingDefinition.side2.sectorIds = new int[9];
|
|
|
|
|
|
for(int si = 0; si < 9; si++)
|
|
|
|
|
|
workingDefinition.side2.sectorIds[si] = si + 1;
|
|
|
|
|
|
workingDefinition.skew = 0;
|
|
|
|
|
|
workingDefinition.sofs = 0;
|
|
|
|
|
|
}
|
|
|
|
|
|
break;
|
|
|
|
|
|
case FormatByte.f720:
|
|
|
|
|
|
if(imagePlugin.GetSectorSize() == 512 && imagePlugin.GetSectors() == 1440)
|
|
|
|
|
|
{
|
|
|
|
|
|
cpmFound = true;
|
|
|
|
|
|
firstDirectorySector86 = 18;
|
|
|
|
|
|
dpb = new DiscParameterBlock();
|
|
|
|
|
|
dpb.al0 = 0xF0;
|
|
|
|
|
|
dpb.al1 = 0;
|
|
|
|
|
|
dpb.blm = 0x0F;
|
|
|
|
|
|
dpb.bsh = 4;
|
|
|
|
|
|
dpb.cks = 0x40;
|
|
|
|
|
|
dpb.drm = 0xFF;
|
|
|
|
|
|
dpb.dsm = 0x162;
|
|
|
|
|
|
dpb.exm = 0;
|
|
|
|
|
|
dpb.off = 2;
|
|
|
|
|
|
dpb.phm = 3;
|
|
|
|
|
|
dpb.psh = 2;
|
|
|
|
|
|
dpb.spt = 9 * 4;
|
|
|
|
|
|
|
|
|
|
|
|
workingDefinition = new CpmDefinition();
|
|
|
|
|
|
workingDefinition.al0 = dpb.al0;
|
|
|
|
|
|
workingDefinition.al1 = dpb.al1;
|
|
|
|
|
|
workingDefinition.bitrate = "LOW";
|
|
|
|
|
|
workingDefinition.blm = dpb.blm;
|
|
|
|
|
|
workingDefinition.bsh = dpb.bsh;
|
|
|
|
|
|
workingDefinition.bytesPerSector = 512;
|
|
|
|
|
|
workingDefinition.cylinders = 80;
|
|
|
|
|
|
workingDefinition.drm = dpb.drm;
|
|
|
|
|
|
workingDefinition.dsm = dpb.dsm;
|
|
|
|
|
|
workingDefinition.encoding = "MFM";
|
|
|
|
|
|
workingDefinition.evenOdd = false;
|
|
|
|
|
|
workingDefinition.exm = dpb.exm;
|
|
|
|
|
|
workingDefinition.label = null;
|
|
|
|
|
|
workingDefinition.comment = "CP/M-86 floppy identifier";
|
|
|
|
|
|
workingDefinition.ofs = dpb.off;
|
|
|
|
|
|
workingDefinition.sectorsPerTrack = 9;
|
|
|
|
|
|
workingDefinition.side1 = new Side();
|
|
|
|
|
|
workingDefinition.side1.sideId = 0;
|
|
|
|
|
|
workingDefinition.side1.sectorIds = new int[9];
|
|
|
|
|
|
for(int si = 0; si < 9; si++)
|
|
|
|
|
|
workingDefinition.side1.sectorIds[si] = si + 1;
|
|
|
|
|
|
workingDefinition.order = "CYLINDERS";
|
|
|
|
|
|
workingDefinition.side2 = new Side();
|
|
|
|
|
|
workingDefinition.side2.sideId = 1;
|
|
|
|
|
|
workingDefinition.side2.sectorIds = new int[9];
|
|
|
|
|
|
for(int si = 0; si < 9; si++)
|
|
|
|
|
|
workingDefinition.side2.sectorIds[si] = si + 1;
|
|
|
|
|
|
workingDefinition.skew = 0;
|
|
|
|
|
|
workingDefinition.sofs = 0;
|
|
|
|
|
|
}
|
|
|
|
|
|
break;
|
|
|
|
|
|
case FormatByte.f1200:
|
|
|
|
|
|
if(imagePlugin.GetSectorSize() == 512 && imagePlugin.GetSectors() == 2400)
|
|
|
|
|
|
{
|
|
|
|
|
|
cpmFound = true;
|
|
|
|
|
|
firstDirectorySector86 = 30;
|
|
|
|
|
|
dpb = new DiscParameterBlock();
|
|
|
|
|
|
dpb.al0 = 0xC0;
|
|
|
|
|
|
dpb.al1 = 0;
|
|
|
|
|
|
dpb.blm = 0x1F;
|
|
|
|
|
|
dpb.bsh = 5;
|
|
|
|
|
|
dpb.cks = 0x40;
|
|
|
|
|
|
dpb.drm = 0xFF;
|
|
|
|
|
|
dpb.dsm = 0x127;
|
|
|
|
|
|
dpb.exm = 1;
|
|
|
|
|
|
dpb.off = 2;
|
|
|
|
|
|
dpb.phm = 3;
|
|
|
|
|
|
dpb.psh = 2;
|
|
|
|
|
|
dpb.spt = 15 * 4;
|
|
|
|
|
|
|
|
|
|
|
|
workingDefinition = new CpmDefinition();
|
|
|
|
|
|
workingDefinition.al0 = dpb.al0;
|
|
|
|
|
|
workingDefinition.al1 = dpb.al1;
|
|
|
|
|
|
workingDefinition.bitrate = "HIGH";
|
|
|
|
|
|
workingDefinition.blm = dpb.blm;
|
|
|
|
|
|
workingDefinition.bsh = dpb.bsh;
|
|
|
|
|
|
workingDefinition.bytesPerSector = 512;
|
|
|
|
|
|
workingDefinition.cylinders = 80;
|
|
|
|
|
|
workingDefinition.drm = dpb.drm;
|
|
|
|
|
|
workingDefinition.dsm = dpb.dsm;
|
|
|
|
|
|
workingDefinition.encoding = "MFM";
|
|
|
|
|
|
workingDefinition.evenOdd = false;
|
|
|
|
|
|
workingDefinition.exm = dpb.exm;
|
|
|
|
|
|
workingDefinition.label = null;
|
|
|
|
|
|
workingDefinition.comment = "CP/M-86 floppy identifier";
|
|
|
|
|
|
workingDefinition.ofs = dpb.off;
|
|
|
|
|
|
workingDefinition.sectorsPerTrack = 15;
|
|
|
|
|
|
workingDefinition.side1 = new Side();
|
|
|
|
|
|
workingDefinition.side1.sideId = 0;
|
|
|
|
|
|
workingDefinition.side1.sectorIds = new int[15];
|
|
|
|
|
|
for(int si = 0; si < 15; si++)
|
|
|
|
|
|
workingDefinition.side1.sectorIds[si] = si + 1;
|
|
|
|
|
|
workingDefinition.order = "CYLINDERS";
|
|
|
|
|
|
workingDefinition.side2 = new Side();
|
|
|
|
|
|
workingDefinition.side2.sideId = 1;
|
|
|
|
|
|
workingDefinition.side2.sectorIds = new int[15];
|
|
|
|
|
|
for(int si = 0; si < 15; si++)
|
|
|
|
|
|
workingDefinition.side2.sectorIds[si] = si + 1;
|
|
|
|
|
|
workingDefinition.skew = 0;
|
|
|
|
|
|
workingDefinition.sofs = 0;
|
|
|
|
|
|
}
|
|
|
|
|
|
break;
|
|
|
|
|
|
case FormatByte.f1440:
|
|
|
|
|
|
if(imagePlugin.GetSectorSize() == 512 && imagePlugin.GetSectors() == 2880)
|
|
|
|
|
|
{
|
|
|
|
|
|
cpmFound = true;
|
|
|
|
|
|
firstDirectorySector86 = 36;
|
|
|
|
|
|
dpb = new DiscParameterBlock();
|
|
|
|
|
|
dpb.al0 = 0xC0;
|
|
|
|
|
|
dpb.al1 = 0;
|
|
|
|
|
|
dpb.blm = 0x1F;
|
|
|
|
|
|
dpb.bsh = 5;
|
|
|
|
|
|
dpb.cks = 0x40;
|
|
|
|
|
|
dpb.drm = 0xFF;
|
|
|
|
|
|
dpb.dsm = 0x162;
|
|
|
|
|
|
dpb.exm = 1;
|
|
|
|
|
|
dpb.off = 2;
|
|
|
|
|
|
dpb.phm = 3;
|
|
|
|
|
|
dpb.psh = 2;
|
|
|
|
|
|
dpb.spt = 18 * 4;
|
|
|
|
|
|
|
|
|
|
|
|
workingDefinition = new CpmDefinition();
|
|
|
|
|
|
workingDefinition.al0 = dpb.al0;
|
|
|
|
|
|
workingDefinition.al1 = dpb.al1;
|
|
|
|
|
|
workingDefinition.bitrate = "LOW";
|
|
|
|
|
|
workingDefinition.blm = dpb.blm;
|
|
|
|
|
|
workingDefinition.bsh = dpb.bsh;
|
|
|
|
|
|
workingDefinition.bytesPerSector = 512;
|
|
|
|
|
|
workingDefinition.cylinders = 80;
|
|
|
|
|
|
workingDefinition.drm = dpb.drm;
|
|
|
|
|
|
workingDefinition.dsm = dpb.dsm;
|
|
|
|
|
|
workingDefinition.encoding = "MFM";
|
|
|
|
|
|
workingDefinition.evenOdd = false;
|
|
|
|
|
|
workingDefinition.exm = dpb.exm;
|
|
|
|
|
|
workingDefinition.label = null;
|
|
|
|
|
|
workingDefinition.comment = "CP/M-86 floppy identifier";
|
|
|
|
|
|
workingDefinition.ofs = dpb.off;
|
|
|
|
|
|
workingDefinition.sectorsPerTrack = 18;
|
|
|
|
|
|
workingDefinition.side1 = new Side();
|
|
|
|
|
|
workingDefinition.side1.sideId = 0;
|
|
|
|
|
|
workingDefinition.side1.sectorIds = new int[18];
|
|
|
|
|
|
for(int si = 0; si < 18; si++)
|
|
|
|
|
|
workingDefinition.side1.sectorIds[si] = si + 1;
|
|
|
|
|
|
workingDefinition.order = "CYLINDERS";
|
|
|
|
|
|
workingDefinition.side2 = new Side();
|
|
|
|
|
|
workingDefinition.side2.sideId = 1;
|
|
|
|
|
|
workingDefinition.side2.sectorIds = new int[18];
|
|
|
|
|
|
for(int si = 0; si < 18; si++)
|
|
|
|
|
|
workingDefinition.side2.sectorIds[si] = si + 1;
|
|
|
|
|
|
workingDefinition.skew = 0;
|
|
|
|
|
|
workingDefinition.sofs = 0;
|
|
|
|
|
|
}
|
|
|
|
|
|
break;
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
if(cpmFound)
|
|
|
|
|
|
{
|
|
|
|
|
|
uint directoryLength = (uint)((((ulong)dpb.drm + 1) * 32) / imagePlugin.GetSectorSize());
|
2017-09-25 21:08:44 +01:00
|
|
|
|
directory = imagePlugin.ReadSectors(firstDirectorySector86 + partition.Start, directoryLength);
|
2016-08-26 01:45:58 +01:00
|
|
|
|
DicConsole.DebugWriteLine("CP/M Plugin", "Found CP/M-86 floppy identifier.");
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
// One of the few CP/M filesystem marks has been found, try for correcteness checking the whole directory
|
|
|
|
|
|
if(cpmFound)
|
|
|
|
|
|
{
|
|
|
|
|
|
if(CheckDir(directory))
|
|
|
|
|
|
{
|
|
|
|
|
|
DicConsole.DebugWriteLine("CP/M Plugin", "First directory block seems correct.");
|
|
|
|
|
|
return true;
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
cpmFound = false;
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
// Try all definitions
|
|
|
|
|
|
if(!cpmFound)
|
|
|
|
|
|
{
|
|
|
|
|
|
// Load all definitions
|
|
|
|
|
|
DicConsole.DebugWriteLine("CP/M Plugin", "Trying to load definitions.");
|
|
|
|
|
|
if(LoadDefinitions() && definitions != null && definitions.definitions != null && definitions.definitions.Count > 0)
|
|
|
|
|
|
{
|
|
|
|
|
|
DicConsole.DebugWriteLine("CP/M Plugin", "Trying all known definitions.");
|
|
|
|
|
|
foreach(CpmDefinition def in definitions.definitions)
|
|
|
|
|
|
{
|
|
|
|
|
|
ulong sectors = (ulong)(def.cylinders * def.sides * def.sectorsPerTrack);
|
|
|
|
|
|
|
|
|
|
|
|
// Definition seems to describe current disk, at least, same number of volume sectors and bytes per sector
|
|
|
|
|
|
if(sectors == imagePlugin.GetSectors() && def.bytesPerSector == imagePlugin.GetSectorSize())
|
|
|
|
|
|
{
|
|
|
|
|
|
DicConsole.DebugWriteLine("CP/M Plugin", "Trying definition \"{0}\"", def.comment);
|
|
|
|
|
|
ulong offset;
|
|
|
|
|
|
if(def.sofs != 0)
|
|
|
|
|
|
offset = (ulong)def.sofs;
|
|
|
|
|
|
else
|
|
|
|
|
|
offset = (ulong)(def.ofs * def.sectorsPerTrack);
|
|
|
|
|
|
|
|
|
|
|
|
int dirLen = ((def.drm + 1) * 32) / def.bytesPerSector;
|
|
|
|
|
|
|
|
|
|
|
|
if(def.sides == 1)
|
|
|
|
|
|
{
|
|
|
|
|
|
sectorMask = new int[def.side1.sectorIds.Length];
|
|
|
|
|
|
for(int m = 0; m < sectorMask.Length; m++)
|
|
|
|
|
|
sectorMask[m] = def.side1.sectorIds[m] - def.side1.sectorIds[0];
|
|
|
|
|
|
}
|
|
|
|
|
|
else
|
|
|
|
|
|
{
|
|
|
|
|
|
// Head changes after every track
|
|
|
|
|
|
if(string.Compare(def.order, "SIDES", StringComparison.InvariantCultureIgnoreCase) == 0)
|
|
|
|
|
|
{
|
|
|
|
|
|
sectorMask = new int[def.side1.sectorIds.Length + def.side2.sectorIds.Length];
|
|
|
|
|
|
for(int m = 0; m < def.side1.sectorIds.Length; m++)
|
|
|
|
|
|
sectorMask[m] = def.side1.sectorIds[m] - def.side1.sectorIds[0];
|
|
|
|
|
|
// Skip first track (first side)
|
|
|
|
|
|
for(int m = 0; m < def.side2.sectorIds.Length; m++)
|
|
|
|
|
|
sectorMask[m + def.side1.sectorIds.Length] = (def.side2.sectorIds[m] - def.side2.sectorIds[0]) + def.side1.sectorIds.Length;
|
|
|
|
|
|
}
|
|
|
|
|
|
// Head changes after whole side
|
|
|
|
|
|
else if(string.Compare(def.order, "CYLINDERS", StringComparison.InvariantCultureIgnoreCase) == 0)
|
|
|
|
|
|
{
|
|
|
|
|
|
for(int m = 0; m < def.side1.sectorIds.Length; m++)
|
|
|
|
|
|
sectorMask[m] = def.side1.sectorIds[m] - def.side1.sectorIds[0];
|
|
|
|
|
|
// Skip first track (first side) and first track (second side)
|
|
|
|
|
|
for(int m = 0; m < def.side1.sectorIds.Length; m++)
|
|
|
|
|
|
sectorMask[m + def.side1.sectorIds.Length] = (def.side1.sectorIds[m] - def.side1.sectorIds[0]) + def.side1.sectorIds.Length + def.side2.sectorIds.Length;
|
|
|
|
|
|
}
|
|
|
|
|
|
// TODO: Implement COLUMBIA ordering
|
|
|
|
|
|
else if(string.Compare(def.order, "COLUMBIA", StringComparison.InvariantCultureIgnoreCase) == 0)
|
|
|
|
|
|
{
|
|
|
|
|
|
DicConsole.DebugWriteLine("CP/M Plugin", "Don't know how to handle COLUMBIA ordering, not proceeding with this definition.");
|
|
|
|
|
|
continue;
|
|
|
|
|
|
}
|
|
|
|
|
|
// TODO: Implement EAGLE ordering
|
|
|
|
|
|
else if(string.Compare(def.order, "EAGLE", StringComparison.InvariantCultureIgnoreCase) == 0)
|
|
|
|
|
|
{
|
|
|
|
|
|
DicConsole.DebugWriteLine("CP/M Plugin", "Don't know how to handle EAGLE ordering, not proceeding with this definition.");
|
|
|
|
|
|
continue;
|
|
|
|
|
|
}
|
|
|
|
|
|
else
|
|
|
|
|
|
{
|
|
|
|
|
|
DicConsole.DebugWriteLine("CP/M Plugin", "Unknown order type \"{0}\", not proceeding with this definition.", def.order);
|
|
|
|
|
|
continue;
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
// Read the directory marked by this definition
|
|
|
|
|
|
MemoryStream ms = new MemoryStream();
|
|
|
|
|
|
for(int p = 0; p < dirLen; p++)
|
|
|
|
|
|
{
|
2017-07-19 16:37:11 +01:00
|
|
|
|
byte[] dirSector = imagePlugin.ReadSector((ulong)((int)offset + (int)partition.Start + (p / sectorMask.Length) * sectorMask.Length + sectorMask[p % sectorMask.Length]));
|
2016-08-26 01:45:58 +01:00
|
|
|
|
ms.Write(dirSector, 0, dirSector.Length);
|
|
|
|
|
|
}
|
|
|
|
|
|
directory = ms.ToArray();
|
|
|
|
|
|
|
|
|
|
|
|
if(def.evenOdd)
|
|
|
|
|
|
DicConsole.DebugWriteLine("CP/M Plugin", "Definition contains EVEN-ODD field, with unknown meaning, detection may be wrong.");
|
|
|
|
|
|
|
|
|
|
|
|
// Complement of the directory bytes if needed
|
|
|
|
|
|
if(def.complement)
|
|
|
|
|
|
{
|
|
|
|
|
|
for(int b = 0; b < directory.Length; b++)
|
|
|
|
|
|
directory[b] = (byte)(~directory[b] & 0xFF);
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
// Check the directory
|
|
|
|
|
|
if(CheckDir(directory))
|
|
|
|
|
|
{
|
|
|
|
|
|
DicConsole.DebugWriteLine("CP/M Plugin", "Definition \"{0}\" has a correct directory", def.comment);
|
|
|
|
|
|
|
|
|
|
|
|
// Build a Disc Parameter Block
|
|
|
|
|
|
workingDefinition = def;
|
|
|
|
|
|
dpb = new DiscParameterBlock();
|
|
|
|
|
|
dpb.al0 = (byte)def.al0;
|
|
|
|
|
|
dpb.al1 = (byte)def.al1;
|
|
|
|
|
|
dpb.blm = (byte)def.blm;
|
|
|
|
|
|
dpb.bsh = (byte)def.bsh;
|
|
|
|
|
|
dpb.cks = 0; // Needed?
|
|
|
|
|
|
dpb.drm = (ushort)def.drm;
|
|
|
|
|
|
dpb.dsm = (ushort)def.dsm;
|
|
|
|
|
|
dpb.exm = (byte)def.exm;
|
|
|
|
|
|
dpb.off = (ushort)def.ofs;
|
|
|
|
|
|
switch(def.bytesPerSector)
|
|
|
|
|
|
{
|
|
|
|
|
|
case 128:
|
|
|
|
|
|
dpb.psh = 0;
|
|
|
|
|
|
dpb.phm = 0;
|
|
|
|
|
|
break;
|
|
|
|
|
|
case 256:
|
|
|
|
|
|
dpb.psh = 1;
|
|
|
|
|
|
dpb.phm = 1;
|
|
|
|
|
|
break;
|
|
|
|
|
|
case 512:
|
|
|
|
|
|
dpb.psh = 2;
|
|
|
|
|
|
dpb.phm = 3;
|
|
|
|
|
|
break;
|
|
|
|
|
|
case 1024:
|
|
|
|
|
|
dpb.psh = 3;
|
|
|
|
|
|
dpb.phm = 7;
|
|
|
|
|
|
break;
|
|
|
|
|
|
case 2048:
|
|
|
|
|
|
dpb.psh = 4;
|
|
|
|
|
|
dpb.phm = 15;
|
|
|
|
|
|
break;
|
|
|
|
|
|
case 4096:
|
|
|
|
|
|
dpb.psh = 5;
|
|
|
|
|
|
dpb.phm = 31;
|
|
|
|
|
|
break;
|
|
|
|
|
|
case 8192:
|
|
|
|
|
|
dpb.psh = 6;
|
|
|
|
|
|
dpb.phm = 63;
|
|
|
|
|
|
break;
|
|
|
|
|
|
case 16384:
|
|
|
|
|
|
dpb.psh = 7;
|
|
|
|
|
|
dpb.phm = 127;
|
|
|
|
|
|
break;
|
|
|
|
|
|
case 32768:
|
|
|
|
|
|
dpb.psh = 8;
|
|
|
|
|
|
dpb.phm = 255;
|
|
|
|
|
|
break;
|
|
|
|
|
|
}
|
|
|
|
|
|
dpb.spt = (ushort)((def.sectorsPerTrack * def.bytesPerSector) / 128);
|
|
|
|
|
|
cpmFound = true;
|
|
|
|
|
|
workingDefinition = def;
|
|
|
|
|
|
|
|
|
|
|
|
return true;
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
label = null;
|
|
|
|
|
|
labelCreationDate = null;
|
|
|
|
|
|
labelUpdateDate = null;
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
// Clear class variables
|
|
|
|
|
|
cpmFound = false;
|
|
|
|
|
|
workingDefinition = null;
|
|
|
|
|
|
dpb = null;
|
|
|
|
|
|
label = null;
|
|
|
|
|
|
standardTimestamps = false;
|
|
|
|
|
|
thirdPartyTimestamps = false;
|
|
|
|
|
|
return false;
|
|
|
|
|
|
}
|
2016-09-05 17:37:31 +01:00
|
|
|
|
catch
|
2016-08-26 01:45:58 +01:00
|
|
|
|
{
|
2016-09-05 17:37:31 +01:00
|
|
|
|
//throw ex;
|
|
|
|
|
|
return false;
|
2016-08-26 01:45:58 +01:00
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
|
2017-07-19 16:31:08 +01:00
|
|
|
|
public override void GetInformation(ImagePlugin imagePlugin, Partition partition, out string information)
|
2016-08-26 01:45:58 +01:00
|
|
|
|
{
|
|
|
|
|
|
information = "";
|
|
|
|
|
|
// As the identification is so complex, just call Identify() and relay on its findings
|
2017-07-19 16:31:08 +01:00
|
|
|
|
if(!Identify(imagePlugin, partition) || !cpmFound || workingDefinition == null || dpb == null)
|
2016-08-26 01:45:58 +01:00
|
|
|
|
return;
|
|
|
|
|
|
|
|
|
|
|
|
StringBuilder sb = new StringBuilder();
|
|
|
|
|
|
sb.AppendLine("CP/M filesystem");
|
|
|
|
|
|
if(!string.IsNullOrEmpty(workingDefinition.comment))
|
|
|
|
|
|
sb.AppendFormat("Identified as {0}", workingDefinition.comment).AppendLine();
|
|
|
|
|
|
sb.AppendFormat("Volume block is {0} bytes", 128 << dpb.bsh).AppendLine();
|
|
|
|
|
|
if(dpb.dsm > 0)
|
|
|
|
|
|
sb.AppendFormat("Volume contains {0} blocks ({1} bytes)", dpb.dsm, (dpb.dsm) * (128 << dpb.bsh)).AppendLine();
|
|
|
|
|
|
sb.AppendFormat("Volume contains {0} directory entries", dpb.drm + 1).AppendLine();
|
|
|
|
|
|
if(workingDefinition.sofs > 0)
|
|
|
|
|
|
sb.AppendFormat("Volume reserves {0} sectors for system", workingDefinition.sofs).AppendLine();
|
|
|
|
|
|
else
|
|
|
|
|
|
sb.AppendFormat("Volume reserves {1} tracks ({0} sectors) for system", workingDefinition.ofs * workingDefinition.sectorsPerTrack, workingDefinition.ofs).AppendLine();
|
|
|
|
|
|
|
|
|
|
|
|
int interleaveSide1;
|
|
|
|
|
|
int interleaveSide2 = 1;
|
|
|
|
|
|
|
2017-07-10 21:37:31 +01:00
|
|
|
|
if(workingDefinition.side1.sectorIds.Length >= 2)
|
|
|
|
|
|
{
|
|
|
|
|
|
interleaveSide1 = workingDefinition.side1.sectorIds[1] - workingDefinition.side1.sectorIds[0];
|
|
|
|
|
|
if(interleaveSide1 > 1)
|
|
|
|
|
|
sb.AppendFormat("Side 0 uses {0}:1 software interleaving", interleaveSide1).AppendLine();
|
|
|
|
|
|
}
|
2016-08-26 01:45:58 +01:00
|
|
|
|
|
|
|
|
|
|
if(workingDefinition.sides == 2)
|
|
|
|
|
|
{
|
2017-07-10 21:37:31 +01:00
|
|
|
|
if(workingDefinition.side2.sectorIds.Length >= 2)
|
|
|
|
|
|
{
|
|
|
|
|
|
interleaveSide2 = workingDefinition.side2.sectorIds[1] - workingDefinition.side2.sectorIds[0];
|
|
|
|
|
|
if(interleaveSide2 > 1)
|
|
|
|
|
|
sb.AppendFormat("Side 1 uses {0}:1 software interleaving", interleaveSide2).AppendLine();
|
|
|
|
|
|
}
|
2016-08-26 01:45:58 +01:00
|
|
|
|
switch(workingDefinition.order)
|
|
|
|
|
|
{
|
|
|
|
|
|
case "SIDES":
|
|
|
|
|
|
sb.AppendLine("Head changes after each whole track");
|
|
|
|
|
|
break;
|
|
|
|
|
|
case "CYLINDERS":
|
|
|
|
|
|
sb.AppendLine("Head changes after whole side");
|
|
|
|
|
|
break;
|
|
|
|
|
|
default:
|
|
|
|
|
|
sb.AppendFormat("Unknown how {0} side ordering works", workingDefinition.order).AppendLine();
|
|
|
|
|
|
break;
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
if(workingDefinition.skew > 0)
|
|
|
|
|
|
sb.AppendFormat("Device uses {0}:1 hardware interleaving", workingDefinition.skew).AppendLine();
|
|
|
|
|
|
|
|
|
|
|
|
if(workingDefinition.sofs > 0)
|
|
|
|
|
|
sb.AppendFormat("BSH {0} BLM {1} EXM {2} DSM {3} DRM {4} AL0 {5:X2}H AL1 {6:X2}H SOFS {7}", dpb.bsh, dpb.blm, dpb.exm, dpb.dsm, dpb.drm, dpb.al0, dpb.al1, workingDefinition.sofs).AppendLine();
|
|
|
|
|
|
else
|
|
|
|
|
|
sb.AppendFormat("BSH {0} BLM {1} EXM {2} DSM {3} DRM {4} AL0 {5:X2}H AL1 {6:X2}H OFS {7}", dpb.bsh, dpb.blm, dpb.exm, dpb.dsm, dpb.drm, dpb.al0, dpb.al1, workingDefinition.ofs).AppendLine();
|
|
|
|
|
|
|
|
|
|
|
|
if(label != null)
|
|
|
|
|
|
sb.AppendFormat("Volume label {0}", label).AppendLine();
|
|
|
|
|
|
|
|
|
|
|
|
if(standardTimestamps)
|
|
|
|
|
|
sb.AppendLine("Volume uses standard CP/M timestamps");
|
|
|
|
|
|
|
|
|
|
|
|
if(thirdPartyTimestamps)
|
|
|
|
|
|
sb.AppendLine("Volume uses third party timestamps");
|
|
|
|
|
|
|
|
|
|
|
|
if(labelCreationDate != null)
|
|
|
|
|
|
sb.AppendFormat("Volume created on {0}", DateHandlers.CPMToDateTime(labelCreationDate)).AppendLine();
|
|
|
|
|
|
if(labelUpdateDate != null)
|
|
|
|
|
|
sb.AppendFormat("Volume updated on {0}", DateHandlers.CPMToDateTime(labelUpdateDate)).AppendLine();
|
|
|
|
|
|
|
|
|
|
|
|
xmlFSType = new Schemas.FileSystemType();
|
|
|
|
|
|
xmlFSType.Bootable |= (workingDefinition.sofs > 0 || workingDefinition.ofs > 0);
|
|
|
|
|
|
xmlFSType.ClusterSize = 128 << dpb.bsh;
|
|
|
|
|
|
if(dpb.dsm > 0)
|
2017-09-25 22:21:18 +01:00
|
|
|
|
xmlFSType.Clusters = dpb.dsm;
|
2016-08-26 01:45:58 +01:00
|
|
|
|
else
|
2017-07-19 16:37:11 +01:00
|
|
|
|
xmlFSType.Clusters = (long)(partition.End - partition.Start);
|
2016-08-26 01:45:58 +01:00
|
|
|
|
if(labelCreationDate != null)
|
|
|
|
|
|
{
|
|
|
|
|
|
xmlFSType.CreationDate = DateHandlers.CPMToDateTime(labelCreationDate);
|
|
|
|
|
|
xmlFSType.CreationDateSpecified = true;
|
|
|
|
|
|
}
|
|
|
|
|
|
if(labelUpdateDate != null)
|
|
|
|
|
|
{
|
|
|
|
|
|
xmlFSType.ModificationDate = DateHandlers.CPMToDateTime(labelUpdateDate);
|
|
|
|
|
|
xmlFSType.ModificationDateSpecified = true;
|
|
|
|
|
|
}
|
|
|
|
|
|
xmlFSType.Type = "CP/M";
|
|
|
|
|
|
xmlFSType.VolumeName = label;
|
|
|
|
|
|
|
|
|
|
|
|
information = sb.ToString();
|
2016-08-26 01:43:15 +01:00
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
|
