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Bamu®
Account closed
Registered: May 2005
Posts: 1332 |
special c64 sidplayer
Is there anyone able to code a special sidplayer for c64 or a plugin for mmc64?
A tool that is able to play 6581 sids on the 8580 without (or minimal) filter differences?
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TDJ
Registered: Dec 2001
Posts: 1879 |
Maybe somebody can write a player that will play sid-tunes equally bad on both chips? |
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Oswald
Registered: Apr 2002
Posts: 5126 |
one solution is to turn on ram at d400, then modify the values that was ment written to filters, according to sid model, then turn d400 back on and write sid regs. |
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Hoogo
Registered: Jun 2002
Posts: 105 |
I had some thoughts about that stuff, too. My best idea was to emulate the 6510, record every Sid-access and play that back at the beginning of the next frame. But it will take an unfunny amount of rastertime, and optimizing that emulator will take an unfunny amount of work, maybe even for nothing... |
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Hoogo
Registered: Jun 2002
Posts: 105 |
Quote: one solution is to turn on ram at d400, then modify the values that was ment written to filters, according to sid model, then turn d400 back on and write sid regs.
You would only detect the last access to any SID-Register. Some tricks with the gate-bit will not work. But it is easy to do, so it could be worth a try. |
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chatGPZ
Registered: Dec 2001
Posts: 11510 |
yep, it wont work with many players if you use that ram trick, atleast not accuratly. |
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Stryyker
Registered: Dec 2001
Posts: 469 |
Try it with Matt Gray tunes - they sound very wrong. |
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Oswald
Registered: Apr 2002
Posts: 5126 |
well as I said "one solution is". That does not implies that its perfect. But its closer than "kinda impossible".
also check cubic player by taki. it automatically redirects most player routines d400 writes to a buffer, so there's actually a better solution.
How about a little thinking instead having smartass mode on, and pointing out only the errors on my idea ? |
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cadaver
Registered: Feb 2002
Posts: 1163 |
I guess you'd still get quite far by having a few configurable channel register write orders, for example.
1. Freq, Pulse, Wave, ADSR (good for most oldskool routines like Hubbard)
2. Freq, Pulse, ADSR, Wave (newer scene-style hardrestart)
3. ADSR, Freq, Pulse, Wave (order used in GT2, avoids most ADSR-bugs)
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Bamu®
Account closed
Registered: May 2005
Posts: 1332 |
Aha, interesting!
:-O |
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The Syndrom
Registered: Aug 2005
Posts: 61 |
I used that kind of technique once in one edition of the pulse-magazine, to get some "echo" effect when the tune was finished... dunno exactly which one it was, I think the one with tunes by drax and metal...
greets,
syndrom |
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