PROOF-IT
From Just Solve the File Format Problem
Revision as of 06:52, 13 February 2026 by Parchivist (Talk | contribs)
PROOF-IT By Mike Howard is a type-in program checker for Commodore 64 used by Commodore 64 Fun and Games Volume 2.
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)
Sample Output
