REU for C-64 & C-128

Disk drives, Monitors, SuperCPU etc.
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eslapion
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Re: REU for C-64 & C-128

Post by eslapion » Thu Mar 17, 2016 9:13 pm

dudz wrote:
A lot of money, energy and time needs to be invested to adapt this IP to an FPGA or CPLD, create the PCB and build this thing.
didnt you post elsewhere that you already made a prototype?
Ya and thanks to the idiots at Multifor (errors in the PCB) it failed. As i noted on Denial, this company no longer exists.

They made errors in my Behr-Bonz PCBs too back in 2008.

The FPGA used on the project back then no longer exists so this project would nearly require redoing from scratch but my memory tells me the IP for a 1750 compatible static RAM REC would likely fit in a 288 macrocells CPLD.

I have recently familiarized myself with the XC95 family so, an XC95288XL would likely be an excellent candidate.


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Re: REU for C-64 & C-128

Post by dudz » Sat Mar 19, 2016 3:26 pm

The FPGA used on the project back then no longer exists so this project would nearly require redoing from scratch
wut? making a new pin file and a few other trivial changes should be enough - thats the nice thing with FPGAs :)

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eslapion
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Re: REU for C-64 & C-128

Post by eslapion » Sun Mar 20, 2016 6:49 pm

dudz wrote:
The FPGA used on the project back then no longer exists so this project would nearly require redoing from scratch
wut? making a new pin file and a few other trivial changes should be enough - thats the nice thing with FPGAs :)
You're oversimplifying things.

The original SRAM REC that was designed for me required external components for proper operation. Since most of these components no longer exist, making a new pin file without altering the inside will provide you with a nice design that is completely unusable.
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Re: REU for C-64 & C-128

Post by dudz » Mon Mar 21, 2016 6:03 pm

sounds like a flawed design to me :)

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Re: REU for C-64 & C-128

Post by eslapion » Tue Mar 22, 2016 4:30 am

dudz wrote:sounds like a flawed design to me :)
This VHDL model was slightly modified then used in the 1541 Ultimate II ... what's flawed is your thinking...
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Re: REU for C-64 & C-128

Post by maraud » Tue Mar 22, 2016 8:19 pm

eslapion wrote:I already own the IP for a static RAM based REU. You guys are tempting me for a kickstater.

A lot of money, energy and time needs to be invested to adapt this IP to an FPGA or CPLD, create the PCB and build this thing.

Who's in?
Count me in! I'm a sucker for new toys! :)

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Re: REU for C-64 & C-128

Post by dudz » Wed Mar 23, 2016 3:10 am

what's flawed is your thinking...
...and i even put a fucking smilie there for those who wont get a joke without help. sigh.

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eslapion
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Re: REU for C-64 & C-128

Post by eslapion » Wed Mar 23, 2016 3:40 am

dudz wrote:
what's flawed is your thinking...
...and i even put a fucking smilie there for those who wont get a joke without help. sigh.
:| Ha ... ha ha ... ha ha ha... :|

Better luck next time...
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Re: REU for C-64 & C-128

Post by motrucker » Fri Apr 01, 2016 1:08 am

eslapion wrote:I already own the IP for a static RAM based REU. You guys are tempting me for a kickstater.

A lot of money, energy and time needs to be invested to adapt this IP to an FPGA or CPLD, create the PCB and build this thing.

Who's in?
I hate Kickstarter with a passion! BUT, in this case I would support it, since I would be supporting you.
C-64, C-128, and Amiga A2000 user

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Re: REU for C-64 & C-128

Post by COREi64 » Tue Apr 05, 2016 6:42 pm

Count me in as a supporter if you decide to do a kickstarter on this.

Thomas
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