Fény és varázslat [2sid]

Just from LISTENING to both .SID files on Sidplay2/w (funnily the 2 files seem to mirror left/right) I assumed(!) the ..._2SID.sid is the good one (and with my mod super powers I saw that's the one iAN added), so I sacked the other one (as executable's what counts here, anyway, and more than one .sid file just means confusion... as if more than mono ain't confusing enough) :P

Cool one, dalezy, anyway!

User Comment
Submitted by iAN CooG on 2 October 2023

The tune itself writes to $d420 correctly but the .sid header at offset 0x7a doesn't say so (Should be 0x42 but it's set to 0x40 which means d400), generating some confusion.
If you have a 2nd SID chip at $d420 on your real C64 you won't notice a problem at all. Same if you set your VICE to have a 2nd SID there.
For the sidplayer to know where the 2nd SID is, this info must be told explicitly with the correct field value.
PSID64 converting the malformed .sid file, saw that 2nd sid address was set to D400 and so it didn't add the extra info on screen. Of course the tune plays correctly if the 2nd sid is set to d420 manually.
The other production didn't have a .sid file attached, so I made it already correct when I ripped it.

User Comment
Submitted by dalezy on 2 October 2023

@iAN CooG - wicked - base address for the second sid was set to d420, and it worked like a charm on the compo machine as well. does the same occur with https://csdb.dk/release/?id=210241?

User Comment
Submitted by iAN CooG on 1 October 2023

added corrected sid and prg

User Comment
Submitted by iAN CooG on 1 October 2023

Files are malformed, the tune is supposed to be for 2nd sid at $d420 but it's set for $d400.

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CSDb (Commodore 64 Scene Database) is a website which goal is to gather as much information and material about the scene around the commodore 64 computer - the worlds most popular home computer throughout time. Here you can find almost anything which was ever made for the commodore 64, and more is being added every day. As this website is scene related, you can mostly find demos, music and graphics made by the people who made the scene (the sceners), but you can also find a lot of the old classic games here. Try out the search box in the top right corner, or check out the CSDb main page for the latest additions.

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