3 ms·
LFSR is in my vocabulary because of these two articles: * Fizzlefade by Fabien Sanglard [0] that explains the fade to red effect in Wolfenstein 3D * How Pitfa
by wernsey 4y ago
LFSR is in my vocabulary because of these two articles:
* Fizzlefade by Fabien Sanglard [0] that explains the fade to red effect in Wolfenstein 3D
* How Pitfall Builds its World [1] that explains how the original Pitfall on the Atari 2600 managed to have 255 unique screens despite severe constraints on the storage space available (it used a maximal length 8-bit LFSR that was also invertible so that you can go back to previous screens).
[0]: https://fabiensanglard.net/fizzlefade/index.php https://fabiensanglard.net/fizzlefade/index.php
[1]: https://evoniuk.github.io/posts/pitfall.html https://evoniuk.github.io/posts/pitfall.html
edit: formatting
- ElevenLathe 4y agoCame here to say this about Pitfall. Very interesting imagining the author of Pitfall David Crane picking a seed/configuration that would give him the full 255 screens while also providing a gentle enough learning curve on the first few screens! Another fun fact: a very young Jack Black appeared in the Pitfall television commercial: https://www.youtube.com/watch?v=wfLgSdAAHMA https://www.youtube.com/watch?v=wfLgSdAAHMA
- djmips 4y agoThe use in fades goes back at least to early Apple II games where I probably learned about it by reverse engineering a game or reading about it in Nibble Magazine.