https://dernulleffekt.de/ 2026-04-21T17:42:46+00:00 https://dernulleffekt.de/ https://dernulleffekt.de/lib/tpl/writr/images/favicon.ico text/html 2019-11-19T16:16:25+00:00 Anonymous (anonymous@undisclosed.example.com) https://dernulleffekt.de/doku.php?id=8bit_chiptune:sn76489&rev=1574176585&do=diff SN76489 notes taken from <https://web.archive.org/web/20060517025848/http://www.smspower.org/maxim/docs/SN76489.txt> This is a document to clear up a few inaccuracies regarding this chip (existing inaccuracies are mentioned in particular, usually marked), and also to document everything there is to know about it. Note that most of this is written based on tests on a PAL Master System II, and references are to SMS games. If other systems differ slightly, I won't know about it - unless you can…