D64
From Just Solve the File Format Problem
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==Overview== | ==Overview== | ||
| − | The '''D64''', '''D71''', and '''D81''' file formats (and some variants, like X64 and F64) are Commodore 64 sector-based disk images. They contain a fixed amount of 256 byte sectors, and, optionally, a table with one byte for each sector to contain error information. This was an early attempt at supporting some of the older copy protection schemes which relied on CBM DOS returning some error code when trying to read a certain sector on disk. [[G64]] was a "raw" format able to handle more copy-protected disks. | + | The '''D64''', '''D71''', and '''D81''' file formats (and some variants, like X64 and F64) are Commodore 64 sector-based disk images. They contain a fixed amount of 256 byte sectors, and, optionally, a table with one byte for each sector to contain error information. This was an early attempt at supporting some of the older [[copy protection]] schemes which relied on CBM DOS returning some error code when trying to read a certain sector on disk. [[G64]] was a "raw" format able to handle more copy-protected disks. |
==See also== | ==See also== | ||
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* [http://www.paradroid.net/diskimage/ diskimage.c]: A library to read/write D64 (and variant) image files | * [http://www.paradroid.net/diskimage/ diskimage.c]: A library to read/write D64 (and variant) image files | ||
* [http://www.zimmers.net/anonftp/pub/cbm/crossplatform/converters/unix/index.html cbmconvert] (<code>-d</code> option) | * [http://www.zimmers.net/anonftp/pub/cbm/crossplatform/converters/unix/index.html cbmconvert] (<code>-d</code> option) | ||
| + | * [[Konvertor]] | ||
| + | * {{Deark}} | ||
== Sample files == | == Sample files == | ||
Revision as of 23:37, 11 December 2019
Contents |
Overview
The D64, D71, and D81 file formats (and some variants, like X64 and F64) are Commodore 64 sector-based disk images. They contain a fixed amount of 256 byte sectors, and, optionally, a table with one byte for each sector to contain error information. This was an early attempt at supporting some of the older copy protection schemes which relied on CBM DOS returning some error code when trying to read a certain sector on disk. G64 was a "raw" format able to handle more copy-protected disks.
See also
Software
- DirMaster: Reads C64 disk images / archives / files in Windows
- diskimage.c: A library to read/write D64 (and variant) image files
- cbmconvert (
-doption) - Konvertor
- Deark
Sample files
- ftp://ftp.cbm8bit.com/books_mags_disks-tapes/ ...
- Many of the files at the C-64 Scene Database
