logos64
Programmed by Professor Miles Dyck for the Commodore 64 computer, logos64 is a port of the hit game Wordle originally created by Josh Wardle and now published by The New York Times Company. Miles first coded logos64 in BASIC V2 and released it in late 2022. In early 2023, he rewrote logos64 using Vision BASIC in order to maximize the game's efficiency. The game is simple, yet challenging. Players have six attempts to guess a five-letter word pre-selected by the computer, with feedback given for each guess to indicate which letters match or occupy the correct position. Warning: This game is highly addictive! logos64 v2.0.1 features:
In addition to the above, logos64 also features cumulative statistics tracked for each player (saved to disk):
Download
logos64 is free to download and play. Please download the D64 disk image of version 2.0.1 from this webpage: https://github.com/milesdyck/logos64/blob/main/logos2023v201.d64 The executable file to load from the disk is: LOGOSBIN.VEX i.e. LOAD "LOGOSBIN.VEX",8 Then type RUN and press Return to start the game. 
Technical Details
Through the use of a sophisticated technique, the database of close to 6,000 words has been highly compressed to occupy less disk space and less memory. Instead of occupying 5 bytes of RAM, each five-letter word occupies only 1.5 bytes. This database optimization is especially important because logos64 is required to load the entire word database into memory. The word search algorithm is just as impressively engineered. When you enter a guess, the word validation is virtually instantaneous. In the blink of an eye, logos64 has finished determining whether or not your guess is one of the words in the nearly 6,000 word database. logos64 remains faithful to Wordle by requiring you to enter guesses that are valid words found in the database. If you're a Vision BASIC user, you may study the logos64 source code by loading the "LOGOS2023 85.VIS" file from the disk image. If you'd like to look at the source code for logos64 but you don't own a copy of Vision BASIC, Miles has graciously made the logos64 source code available on this webpage: github.com/milesdyck/logos64/blob/main/logos2023v201.visPETSCII.pdf Future Development
Now that development of the core gameplay has been completed, Miles tells us that he has plans to enhance logos64 by adding sound and graphics. If you have any suggestions as to how logos64 can be improved, or if you have any questions or comments about the game, we'd be happy to forward them to Miles. Please email your suggestions / questions / comments to: visionbasic.fun@outlook.com Gallery
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