Add pattern for CopyQM disk images.

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2025-06-22 20:21:50 +01:00
parent fd809798ef
commit 31b532e80a

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disk/CopyQM.hexpat Normal file
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// /***************************************************************************
// Aaru Data Preservation Suite
// ----------------------------------------------------------------------------
//
// Filename : CopyQM.hexpat
// Author(s) : Natalia Portillo <claunia@claunia.com>
//
// Component : ImHex pattern for parsing CopyQM disk images.
// Version : 1.00
//
// --[ Description ] ----------------------------------------------------------
//
// Parses CopyQM disk images.
//
// --[ History ] --------------------------------------------------------------
//
// 1.00: Initial release.
//
// --[ License ] --------------------------------------------------------------
//
// 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 3 of the
// License, or (at your option) 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, see <http://www.gnu.org/licenses/>.
//
// ----------------------------------------------------------------------------
// Copyright © 2011-2025 Natalia Portillo
// ****************************************************************************/
#pragma author Nat Portillo <claunia@claunia.com>
#pragma description CopyQM disk images parser (*.CQM)
#pragma endian little
#pragma magic [ 43 51 14 ] @ 0x00
import type.base;
import type.magic;
import type.time;
enum blind_mode_t : u8
{
DOS = 0,
Blind = 1,
HFS = 2
};
enum density_t : u8
{
Double = 0,
High = 1,
Quad = 2
};
struct cqm_header_t
{
// magic, "CQ"
type::Magic<"CQ\x14"> magic;
// Bytes per sector (part of FAT's BPB)
u16 sector_size;
// Sectors per cluster (part of FAT's BPB)
u8 sectors_per_cluster;
// Reserved sectors (part of FAT's BPB)
u16 reserved_sectors;
// Number of FAT copies (part of FAT's BPB)
u8 fat_copies;
// Maximum number of entries in root directory (part of FAT's BPB)
u16 root_entries;
// Sectors on disk (part of FAT's BPB)
u16 sectors;
// Media descriptor (part of FAT's BPB)
u8 media_type;
// Sectors per FAT (part of FAT's BPB)
u16 sectors_per_fat;
// Sectors per track (part of FAT's BPB)
u16 sectors_per_track;
// Heads (part of FAT's BPB)
u16 heads;
// Hidden sectors (part of FAT's BPB)
u32 hidden;
// Sectors on disk (part of FAT's BPB)
u32 sectors_big;
// Description
char description[60];
// Blind mode. 0 = DOS, 1 = blind, 2 = HFS
blind_mode_t blind;
// Density. 0 = Double, 1 = High, 2 = Quad/Extra
density_t density;
// Cylinders in image
u8 image_cylinders;
// Cylinders on disk
u8 total_cylinders;
// CRC32 of data
type::Hex<u32> crc;
// DOS volume label
char volume_label[11];
// Modification time
type::DOSTime time;
// Modification date
type::DOSDate date;
// Comment length
u16 comment_len;
// Sector base (first sector - 1)
u8 sector_base;
// Unknown
u16 unknown;
// Interleave
u8 interleave;
// Skew
u8 skew;
// Source drive type. 1 = 5.25" DD, 2 = 5.25" HD, 3 = 3.5" DD, 4 = 3.5" HD, 6 = 3.5" ED
u8 drive;
// Filling bytes
padding[13];
// Checksum
u8 checksum;
};
cqm_header_t header @ 0x00;
char comments[header.comment_len];