Just bought a C64 :-)

[motorollin]

This is mine now :-D I intend to use it with a Prophet64. Can't wait to get it and for the Prophet64s to be back in stock!!!

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moto

[motorollin]

Nope, I'm in England.

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moto

[motorollin]

Does the Prophet64 have any internal memory for saving projects? If not then I'll either buy a 1541, or use my A1200 as a 1541 emulator.

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moto

[motorollin]

Marco wrote:
With the later revision SID chip that a lot of people complained about for sounding ever-so-slightly different IIRC.

Hmmm dunno about that. I got it solely for music. Will the SID chip in this revision be ok  :-?

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moto

[motorollin]

SID is socketed anyway, right? So I could change it for a different one if I wanted to?

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moto

[motorollin]

Hmmmm, forgot about the MMC64. Can I access it like a 1541? IOW, can would I be able to save Prophet64 projects on to the MMC card? Also, will the expansion port passthrough from the MMC64 work with the Prophet64?

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moto

[motorollin]

Hope I get the 6581  :-(  Though I can "warm up" the sound once I've sampled it in to my MacBook.

Have a look at Emul1541 on Aminet. It aparrently lets you use your Amiga as a C64 disk drive. I have never tried it, but it looks like you need to build a circut to connect the Amiga's parallel port to the C64's serial port. Think I'll just get the MMC64 instead. Does anyone know whether I will be able to use the Prophet64 connected to the MC64 passthrough, and whether I can save Prophet64 projects to the MMC card?

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moto

[motorollin]

Thanks Oliver. I'll try the 8580 and see how it performs. As I said I can post-process it once it's recorded if I want to make it sound less clean.

I have found this information on replacing the 8580 with a 6581:

1) The 6581 uses a 5v and a 12v supply, while the 8580 uses 5v and 9v.

2) Different filter capacitors are specified for each chip - 470 pF for the 6581, and 22000 pF for the 8580.  This gives each chip a different range for the filters.

Aside from the voltage supply found on pin 28 (6581 = 12v, 8580 = 9v), the
two chips are pin-compatible.

To make a complete swap, you must provide the proper voltage on pin 28 and swap out the two filter capacitors on pins 1-4.

So if I just replace the capacitors then bend out pin 29, then find 12v from somewhere, could I use a 6581?

Anyway, as I said I'll see how I get on with the 8580. I do want to use the 303 bassline synth so maybe the 8580 will be better anyway.

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moto