http://fileformats.archiveteam.org/index.php?action=history&feed=atom&title=PROOF-IT 2026-04-12T05:00:19Z Revision history for this page on the wiki MediaWiki 1.19.2 http://fileformats.archiveteam.org/index.php?title=PROOF-IT&diff=51479&oldid=prev 2026-02-13T06:52:09Z

<p>Created page with &quot;{{FormatInfo |subcat=Error detection and correction |released=1984 }} &#039;&#039;&#039;PROOF-IT&#039;&#039;&#039; By Mike Howard is a type-in program checker for Commodore 64 used by Commodore 64 Fun and ...&quot;</p> <p><b>New page</b></p><div>{{FormatInfo<br /> |subcat=Error detection and correction<br /> |released=1984<br /> }}<br /> '''PROOF-IT''' By Mike Howard is a type-in program checker for Commodore 64 used by Commodore 64 Fun and Games Volume 2.<br /> <br /> It uses an up-to-5-digit number on each line and catches transpositions but ignores unimportant spaces and BASIC keyword abbreviations (like ? instead of PRINT)<br /> <br /> <br /> == Sample Output ==<br /> [[File:PROOF-IT.gif]]<br /> <br /> <br /> == Links ==<br /> * [https://archive.org/details/commodore-64-fun-and-games-volume-2/page/n7/mode/2up Commodore 64 Fun and Games Volume 2 pg vii]</div>

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