BackSID - the replacement for the 6581/8580 SID

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RobertB
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BackSID - the replacement for the 6581/8580 SID

Post by RobertB »

Evie Salomon, creator of the BackBit cartridge and other Commodore bits (!), has released the BackSID, a replacement for the 6581/8580 SID chip in the Commodore 64/128/64C/128DCR. BackSID auto-detects into which Commodore it is installed, and with an upcoming C64 configuration program, the user will be able to customize the settings and upgrade the firmware. Not only does BackSID offer good sound but also supports inputs, like mouse, paddles, and Koalapad. It does not offer audio pass-through. For more BackSID details, see

https://store.backbit.io/product/backsid/

To see Evie’s video presentation of the BackSID, see



To see the rest of Evie’s products, see

https://store.backbit.io/

The BackSID is very reasonably priced at $29 US, not including shipping.

Truly,
Robert Bernardo
Fresno Commodore User Group – http://www.dickestel.com/fcug.htm
Southern California Commodore & Amiga Network – http://www.portcommodore.com/sccan
Nov. 6-7 Commodore Los Angeles Super Show 2021 – http://www.portcommodore.com/class


rmzalbar
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Re: BackSID - the replacement for the 6581/8580 SID

Post by rmzalbar »

ARM based?
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Zippy Zapp
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Re: BackSID - the replacement for the 6581/8580 SID

Post by Zippy Zapp »

I have one. I will have to look at the chips
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Re: BackSID - the replacement for the 6581/8580 SID

Post by rmzalbar »

Got one! Yup, ARM Cortex M4.
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Re: BackSID - the replacement for the 6581/8580 SID

Post by RobertB »

BackSID has been going through continual improvement. Released several hours ago, the latest firmware is at 2.1.2. To see the changes, go to

https://backbit.io/downloads/Firmware/B ... isions.txt

and to download the firmware, go to

https://backbit.io/downloads/Firmware/BackSID/

Truly,
Robert Bernardo
Fresno Commodore User Group
http://www.dickestel.com/fcug.htm
rmzalbar
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Re: BackSID - the replacement for the 6581/8580 SID

Post by rmzalbar »

I have two of them. Decent SID replacement, similar to ARMSID. They have different characteristics : To my ear, the Backsid sounds a little 'crunchier' than ARMSID which sounds slightly anti-alias filtered. Imagine the Amiga 500 sound filter turned on for the ArmSID and off for BackSID, though nowhere near that extreme.
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Re: BackSID - the replacement for the 6581/8580 SID

Post by RobertB »

rmzalbar wrote: Wed Jul 19, 2023 12:45 amTo my ear, the Backsid sounds a little 'crunchier' than ARMSID which sounds slightly anti-alias filtered.
Is that with the latest firmware installed for the BackSID?

Truly,
Robert Bernardo
Fresno Commodore User Group - http://www.dickestel.com/fcug.htm
Southern California Commodore & Amiga Network - http://www.portcommodore.com/sccan
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Re: BackSID - the replacement for the 6581/8580 SID

Post by rmzalbar »

I would have to say I may have got them switched. I went to update the firmware on the machine I thought had installed the backSID, but the flasher wouldn't work.. and I lifted the lid to find ArmSID. So, reverse my review, I guess, BackSID is a little smoother sounding. :)
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