You are not logged in - nap CSDb User Forums Forums > C64 Composing > YM3812 (OPL2) register write timing on the Commodore 64 2019-12-24 12:28 Mr. Mouse Registered: Dec 2001 Posts: 235 YM3812 (OPL2) register write timing on the Commodore 64 For those interested sound freaks, experimenting with SID+FM or FM alone (with FM-YAM or Sound Expander), I did some timing analysis on the chip addressing and data writes. http://c64.xentax.com/index.php/15-testing-ym3812-register-writ.. Perhaps it will be of use. 2019-12-24 13:16 Rudi Account closed Registered: May 2010 Posts: 125 Nice work. I did some programming for the Adlib a couple of years back, and i think any additional documentation is welcome imho. Refresh Subscribe to this thread: You need to be logged in to post in the forum. Search the forum: Search  All forums C64 CodingC64 ComposingC64 PixelingC64 ProductionsCSDb Bug ReportsCSDb DiscussionsCSDb EntriesCSDb FeedbackCSDb InfoCSDb moderatorsCSDb QuestionsCSDb V2 developmentMessages to moderatorsRequests  for   in Writer & textTextWriter  All times are CET. Search CSDb All Releases Groups Sceners Events BBS SIDs ------- Forum Comments Advanced Users Online Guests online: 123 Top Demos 1 Next Level  (9.8) 2 Mojo  (9.7) 3 Coma Light 13  (9.7) 4 Edge of Disgrace  (9.6) 5 Comaland 100%  (9.6) 6 No Bounds  (9.6) 7 Uncensored  (9.6) 8 Wonderland XIV  (9.6) 9 Bromance  (9.6) 10 Memento Mori  (9.6) Top onefile Demos 1 It's More Fun to Com..  (9.7) 2 Party Elk 2  (9.7) 3 Cubic Dream  (9.6) 4 Copper Booze  (9.5) 5 Rainbow Connection  (9.5) 6 TRSAC, Gabber & Pebe..  (9.5) 7 Onscreen 5k  (9.5) 8 Wafer Demo  (9.5) 9 Dawnfall V1.1  (9.5) 10 Quadrants  (9.5) Top Groups 1 Oxyron  (9.3) 2 Nostalgia  (9.3) 3 Booze Design  (9.3) 4 Censor Design  (9.3) 5 Crest  (9.3) Top Graphicians 1 Sulevi  (10) 2 Mirage  (9.8) 3 Lobo  (9.7) 4 Mikael  (9.7) 5 Archmage  (9.7)

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