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<div style="border: 1px solid rgb(228, 222, 222); margin: 0px 0px 5px; padding: 0.5em 1em; background-color: rgb(249, 249, 249);"><center>'''''This artikel article originally came from Kevin Thackers' archive at [http://www.cpctech.org.uk http://www.cpctech.org.uk].''''' </center></div>
= DSC file structure =
This document describes the structure of the "dsc" disk image file used by Richard Wilson's Amstrad CPC emulators.
If the "DSC" file exists then it contains the data for one or more sectors.
== Structure of the "HDR" file ==
The "HDR" file describes the structure of the disc format described by this disk image format.
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== Structure of the "DSC" file ==
The "DSC" file, if it exists, contains the data from one or more sectors.
If the sector is filled with a single value, then there will not be any data for it in the DSC file. Therefore the DSC file contains the data of sectors which are not filled by a single byte. The data in the DSC file is ordered according to the track and sector ordering given in the HDR file.