<div style="border: 1px solid rgb(228, 222, 222); margin: 0px 0px 5px; padding: 0.5em 1em; background-color: rgb(249, 249, 249);"><center>'''CAS CATALOG''This article originally came from Kevin Thackers'archive at [http://www.cpctech.org.uk http://www.cpctech.org.uk].'''''</center></div>
The "CAS CATALOG" firmware function is designed to catalogue a cassette or disc.
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Notes:
After execution, we can go through the buffer and extract the filenames and their sizes. (Each character of the name or extension should be logically ANDed with &7F to remove the flag bits).
<nowiki>The following example source shows how this can be done: [ </nowiki>[/DMedia:/mirror/cpctech.org.uk/cpctech.org.uk/www.kjthacker.f2s.com/source/catalog.html highlighted] | [/D:/mirror/cpctech.org.uk/cpctech.org.uk/www.kjthacker.f2s.com/source/catalog.asm original] ]