Die beste Amiga-Soundkarte (6581)

Eben im a1k gelesen. Diesmal muß so ein Cross Posting einfach sein:

https://www.youtube.com/watch?v=6BfD3O8DvEo

Endlich gescheiter Sound am Amiga

Btw, hier ist der Schaltplan.

Also echt, da ist nicht viel drauf.

Gibts eigentlich einen Grund, warum das nicht am Atari ST, der SAGE oder beliebigen anderen 68k Maschinen laufen sollte?

SIDS, zumindest die modernen Klone wie http://www.fpgasid.net/ sind ja beliebig verfügbar und man muß keine 64 schlachten für solche Spielereien?

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Notes on the Zorro II SID card

------------------------------

1. The design is very simple - no AutoConfig, only write accesses

and a hacked chip select/clock logic.

2. The wiring on the "B" side of the 74HC688 selects the address

range of the card. This is currently at $a0xxxx (where Frodo

expects is to be).

3. The SID's reset line is not connected to /RESET or /IORST but

to /LED to have the possibility to reset the SID independently

of the Amiga. This is because some SIDs have problems with

the clock signal being pulled down on write access and sometimes

one or more envelope generator "crashes" and requires a reset

to work properly again. So it is connected to /LED and Frodo

cycles the power LED to reset the SID.

4. The whole circuit can be built upon a standard raster board.

A custom PCB layout is not required (besides, I don't have one).

5. The "AUDIO OUT" signal can directly be connected to headphones

or an amplifier. The "AUDIO IN" signal can be used to mix and

filter external audio signals with the SID signal.

A note on the programs "EnableSID" and "DisableSID"

---------------------------------------------------

As the SID card doesn't use AutoConfig, it's address space will

be marked as invalid by the 68040.library on systems with a 68040/060,

and the card is not accessable. The EnableSID and DisableSID programs

use the 68040/060's transparent translation feature (DTT0) to open

the address space and mark it as non-cacheable. Simply run them once

to enable resp. to disable access to the SID card (they can only be

started from the Shell). The source is included in case you have

problems with your MMU setup, so you can modify the programs to fit

your system.

The DeliTracker player "C64SID"

-------------------------------

"C64SID" is what Frodo started out as: A DeliTracker player module for

replaying PSID (i.e. PlaySID one-file) music files on the SID card.

Simply put it into your "DeliPlayers" directory and enjoy. Be sure to

remove "DeliSID" first to make sure that PSID files are opened by

C64SID.

Christian Bauer <bauec002@goofy.zdv.uni-mainz.de>

und schauen, ob der Player (Das Plugin für den Deliplayer) irgendwo im Source vorliegt. Das hab ich noch nicht gefunden.

braucht man dafür eine Software 6502 Emu?

Ok, das wird deutlich zu kompliziert für mich.