Posted By
siz
on 2022-02-25
02:37:35
|  Re: Sidekick264 - software defined cartridge
@Frenetic: I'm pretty sure that it's not public yet but there is the intent to publish it after some cleanup.
But there is no magic in that: I load the tune from the .SID file, play it and copy the contents of $d400 to $fd80 after every player call. So if a music writes the SID multiple times in a single call (there are some of them) only the last one will be written to the SID card.
That's why BSz SID card is preferred: it can listen to writes to $d400 so I don't have to copy the data (yeah, the other way would be to patch the player to write to $fd80 directly but that would need a much more complex routine to analyze and modify the player code).
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