Author Topic: Hm... Just CPC 4 under tests  (Read 3565 times)

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Offline Piotr

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Hm... Just CPC 4 under tests
« on: 15:02, 29 February 20 »
Base board:
- 7 slots for MotherX style cards64 kb ram       6128 rom and Basic 1.1          ATX power connector       ITX size 170x170 mm     PS2CPC  BT module for wireless loading CDT files 
  https://www.youtube.com/watch?v=0PxS9eZqX48&t=8s
https://www.youtube.com/watch?v=YpUch69Mxj0&t=9s
« Last Edit: 15:04, 29 February 20 by Piotr »

Offline GUNHED

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Re: Hm... Just CPC 4 under tests
« Reply #1 on: 17:15, 29 February 20 »
Awesome! Tell us more details please.  :)
http://futureos.de --> Get the revolutionary FutureOS (Recent update: 2020.12.29)
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Offline CFox

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Re: Hm... Just CPC 4 under tests
« Reply #2 on: 21:14, 01 March 20 »
That looks amazing. To me it looks like it is practically Amstrad clone packaged to ITX sized MB and it seems to have ST Microeletronics Z80A on it. Brilliant!


Installing that to some beautiful ITX case would be seriously cool on anyone’s desktop.
CPC6128 - Gotek FlashFloppy - CTM644 - OSSC

Offline SkulleateR

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Re: Hm... Just CPC 4 under tests
« Reply #3 on: 10:06, 02 March 20 »
Awesome! Tell us more details please.  :)
Yes, PLEASE  8)

Offline SOS

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Re: Hm... Just CPC 4 under tests
« Reply #4 on: 10:13, 02 March 20 »
Pre-Order-List?  ;D

Offline zhulien

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Re: Hm... Just CPC 4 under tests
« Reply #5 on: 03:49, 06 March 20 »
Totally awesome!!!  What is the additional cost if 8 or 16 Mx4 slots were present?

Offline Piotr

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Re: Hm... Just CPC 4 under tests
« Reply #6 on: 17:02, 06 March 20 »
Duke M4 card added, Just CPC 4 is  Wi fi ready ;)

Details ?
- base board is in THT,  so self assembly is not really hard.
-PS2CPC from Gerald , PS2 keyboard interface is on board  , thanks ;)
-ROM and basic CPC 6128 1.1
-64 kb ram-board size 17x17 cm as ITX (mounting holes can not fit )- 7 slot for expansion cards , Mother X style. ( Playcity, M4, or others)
- Bluetooth module for load CDT files from mobile phone , for example "Breaking Baud" ;)

https://www.youtube.com/watch?v=0PxS9eZqX48&t=1s
On the moment i have also 512kb ram expansion card, 4mb ram expansion card, Floppy interface card also in Mother X style .

- Changes from prototype...
- i cancel ATX power supply  connector, now board have normal 5,5/2.1  , 5 volt socket power supply .  Power on/off is still as in PC. Push button ;)
And yes, i know, you kidding me. ;)








Offline VintageAdvantage

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Re: Hm... Just CPC 4 under tests
« Reply #7 on: 00:03, 13 March 20 »
How do you do the Gate Array. FPGA?  Can you point me to the FPGA code please, I am building clone of Russian and Eastern Germany home computer, I can integrate your code. Right now, I have Robotron. I call it "The Red Kremlin".


Get in touch if you want to do business with me, but I need your code and schematics first. I can distribute your product in USA.
« Last Edit: 00:20, 13 March 20 by VintageAdvantage »

Offline TotO

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Re: Hm... Just CPC 4 under tests
« Reply #8 on: 00:43, 13 March 20 »
Get in touch if you want to do business with me, but I need your code and schematics first. I can distribute your product in USA.
He use the Amstrad schematics and spare IC that are Amstrad Copyright and resell them to do retro-business.  :-\
"You make one mistake in your life and the internet will never let you live it down" (Keith Goodyer)

Offline VintageAdvantage

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Re: Hm... Just CPC 4 under tests
« Reply #9 on: 00:50, 13 March 20 »
He use the Amstrad schematics and spare IC that are Amstrad Copyright and resell them to do retro-business.  :-\


Sure, then he must have permission from Amstrad / Sky to call it "CPC" and use their chips and schematics, right?
Like the "Spectrum Next" guys who got permission from Sinclair - Amstrad - Sky to do so. 

Offline TotO

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Re: Hm... Just CPC 4 under tests
« Reply #10 on: 00:55, 13 March 20 »
The problem is the limited GA qty (NOS or used) to do a real "CPC next" w/o FPGA engineering making that design not viable IMHO.
"You make one mistake in your life and the internet will never let you live it down" (Keith Goodyer)

Offline VintageAdvantage

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Re: Hm... Just CPC 4 under tests
« Reply #11 on: 00:59, 13 March 20 »
The problem is the limited GA qty (NOS or used) to do a real "CPC next" w/o FPGA engineering making that design not viable IMHO.


One thing is damn sure - I wouldn't wanna disassemble my CPC just to stick the GA on some ATX motherboard. Like the idea but you need to get GA into FPGA, otherwise it is a no starter. Check out what Spectrum Next guys were doing. How come the CPC community has no FPGA model of the main chip of their machine. What have you guys been doing all these years. Just playing games?  ;) 

Offline VintageAdvantage

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Re: Hm... Just CPC 4 under tests
« Reply #12 on: 01:21, 13 March 20 »
BUT OVERALL - GREAT PRODUCT AND ACHIEVEMENT!
CONGRATS

Offline robcfg

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Re: Hm... Just CPC 4 under tests
« Reply #13 on: 08:08, 13 March 20 »

One thing is damn sure - I wouldn't wanna disassemble my CPC just to stick the GA on some ATX motherboard. Like the idea but you need to get GA into FPGA, otherwise it is a no starter. Check out what Spectrum Next guys were doing. How come the CPC community has no FPGA model of the main chip of their machine. What have you guys been doing all these years. Just playing games?  ;)


https://www.cpcwiki.eu/forum/amstrad-cpc-hardware/gate-array-decapped!/


Also, there are several FPGA implementations of the CPC, for example on the ZX-Uno.

Offline TotO

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Offline Piotr

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Re: Hm... Just CPC 4 under tests
« Reply #15 on: 20:28, 13 March 20 »
Floppy controler added.  Working as dream. So i can confirm, M4 from Duke working, My 4 mb ram working, 512 RAM working, Floppy controller working ;)

https://www.youtube.com/watch?v=MvFXaxrY_eY

Offline VintageAdvantage

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Re: Hm... Just CPC 4 under tests
« Reply #16 on: 01:24, 14 March 20 »
Sure, it will be the best option.

Yes that right
« Last Edit: 01:37, 14 March 20 by VintageAdvantage »

Offline VintageAdvantage

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Re: Hm... Just CPC 4 under tests
« Reply #17 on: 01:34, 14 March 20 »
 8)
« Last Edit: 01:37, 14 March 20 by VintageAdvantage »

Offline Piotr

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Re: Hm... Just CPC 4 under tests
« Reply #18 on: 19:58, 21 March 20 »
Well, ready and in case.
-4 mb ram-M4 from Duke-DDI + microgotek

https://www.youtube.com/watch?v=xC1O6jrawEE
Working ;)




Offline GUNHED

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Re: Hm... Just CPC 4 under tests
« Reply #19 on: 15:21, 22 March 20 »
Pretty nice new computer! Will it run FutureOS too?
http://futureos.de --> Get the revolutionary FutureOS (Recent update: 2020.12.29)
http://futureos.cpc-live.com/files/LambdaSpeak_RSX_by_TFM.zip --> Get the RSX-ROM for LambdaSpeak :-) (Updated: 2019.08.28)

Offline zhulien

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Re: Hm... Just CPC 4 under tests
« Reply #20 on: 14:18, 07 May 20 »
how far off is this?

Offline Matej

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Re: Hm... Just CPC 4 under tests
« Reply #21 on: 00:16, 10 May 20 »
Beautiful! I have 2xJustCPC1 need this too :).
2x JustCPC

Offline megatronuk

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Re: Hm... Just CPC 4 under tests
« Reply #22 on: 15:18, 10 May 20 »
Please, please, please do another run of the PS2CPC!

Offline GUNHED

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Re: Hm... Just CPC 4 under tests
« Reply #23 on: 18:38, 10 May 20 »
how far off is this?
What exactly is your question?

http://futureos.de --> Get the revolutionary FutureOS (Recent update: 2020.12.29)
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Offline SkulleateR

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Re: Hm... Just CPC 4 under tests
« Reply #24 on: 03:36, 11 May 20 »
What exactly is your question?
Guess it´s something like : "When will it be released ?"  ;D