Random quick design...

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Dave
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Random quick design...

Postby Dave » Wed Mar 14, 2018 6:21 am

I did an IDE interface for the Sam Coupe.

Screen Shot 2018-03-14 at 12.52.09 AM.png
Bottom...

Screen Shot 2018-03-14 at 12.51.53 AM.png
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I'll add a couple of this PCB to my next PCB order.


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dilwyn
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Re: Random quick design...

Postby dilwyn » Wed Mar 14, 2018 10:29 am

Take it this will be called Scubide then - can't have Q's in Sam Coupe stuff.


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Dave
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Re: Random quick design...

Postby Dave » Wed Mar 14, 2018 3:21 pm

It's 90% an existing Sam Coupe design, and 10% QubIDE improvements. It's based off the Atom interface, so I called it "Atomic"...

There is an "Atom Lite" interface out there, but it's 8 bits only, just for CF cards and the like. It's quite slow.

I was asked if I could do an improved copy of the Trinity SD/ethernet card. I won't. It's under active development, and I do not want to work on compatible hardware for something he has gone to all that trouble to develop. I'm not crashing his party.

If I can develop a quick serial port based off a standard UART for it, I'll create an ESP32 card.


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XorA
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Re: Random quick design...

Postby XorA » Sat Mar 17, 2018 10:38 pm

http://www.worldofsam.org/node/191

Im sure your already aware SAM has Comms Interface. So if you wanted existing software to just work (tm).

Although I still need to hack mine to fix the PSU issues.


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Re: Random quick design...

Postby Derek_Stewart » Sun Mar 18, 2018 9:15 am

Hi,

I had many Sam Coupes over the years, much better than the Spectrum.

I would not mind having another one, but they attract very high sale prices now.

I see the circuit diagram has been drawn, many the way I get a Sam is to make one, or use an emulator.


Regards,

Derek
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Dave
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Re: Random quick design...

Postby Dave » Sun Mar 18, 2018 3:01 pm

It has a VLSI chip that cannot be reproduced :(


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XorA
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Re: Random quick design...

Postby XorA » Sun Mar 18, 2018 8:34 pm

Dave wrote:It has a VLSI chip that cannot be reproduced :(


But there are equations for it for FPGA!


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Dave
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Re: Random quick design...

Postby Dave » Sun Mar 18, 2018 10:48 pm

I didn't know that. So yes, it can be done. If there's equations for an FPGA, maybe they can use a MUCH faster Z380?


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XorA
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Re: Random quick design...

Postby XorA » Mon Mar 19, 2018 8:40 pm

Dave wrote:I didn't know that. So yes, it can be done. If there's equations for an FPGA, maybe they can use a MUCH faster Z380?


hmm i cannot find the posting, i could be mistaken :-(


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Re: Random quick design...

Postby wayne weedon » Fri Mar 23, 2018 8:36 pm

Derek_Stewart wrote:Hi,

I had many Sam Coupes over the years, much better than the Spectrum.

I would not mind having another one, but they attract very high sale prices now.

I see the circuit diagram has been drawn, many the way I get a Sam is to make one, or use an emulator.


Still have mine Derek, bought it at a developers price from MGT in about 1989. We did some good work with that machine. I liked it a lot.

The MIST can run as a SAM Coupe apparently.



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