Close
0%
0%

Tony Robinson

Building a very simple CPU...

Cambridge, UK
Send a private message
Similar accounts worth following
tony-robinson

This user joined on 08/04/2016.

View all

Share this profile

Share

Bits

roelh wrote 6 days ago point

Hi Tony, thanks for liking and following #One Transistor FlipFlop ! Did you also look at #ALU in DCTL technology ? It might be useful for your CPU.

  Are you sure? yes | no

Tony Robinson wrote 5 days ago point

Hi @roelh , thanks for pointing me to that, I do appreciate all your input here.  I've learned a lot and am happy that I have a lot more to learn.   I do have to pace myself, so have to (a) write up the new memory cell (which does use transistors to drive transistors BTW) then (b) fix the carry propagation on the ALU as if it's slow there is a temptation to use shift registers and a 1 bit ALU (but I don't really want  to go that far) then (c) dig out my last ALU design (I may have lost it) and of course build all the state machine and other gubbins.  I am feeling hopeful that if I can halve the number of components then I will finish.    Oh, I'm very tempted by PyRTL, if I could get that to generate Verilog that ran on my FPGA that would be a huge step forward as well.  SO much to do....

  Are you sure? yes | no

roelh wrote 5 days ago point

And thanks for liking and following #ALU in DCTL technology ! If you want to connect your device to a Raspberry Pi,  look at #RISC Relay CPU or #1 Square Inch TTL CPU where I use a RPi to assemble the program and put the result in the parallel Flash memory. You want to use RPi as main memory ? I think your cpu will be more impressive when it runs stand-alone without any help of a RPi. 

  Are you sure? yes | no

Javier Piay (PROPHYCOM) wrote 6 days ago point

Hi Tony, I'm glad my project #RELAY COMPUTING is of interest to you. I hope you will find my project #SANX-I MICROCOMPUTER interesting as well. Best regards, Javier

  Are you sure? yes | no

Morning.Star wrote 04/02/2018 at 05:35 point

Awesome lol. I guess you probably have heard this before, but..

"I have a Cunning Plan, my lord Blackadder..." XD

  Are you sure? yes | no

Dr. Cockroach wrote 04/01/2018 at 09:19 point

Good morning Tony. Thank you for the follow and like for my #The Cardboard Computer - IO is my name learning adventure :-)

  Are you sure? yes | no

BigEd wrote 07/31/2017 at 15:12 point

Thanks for liking our #OPC-5 - a CPU for FPGA, in one page project!

  Are you sure? yes | no

Dylan Brophy wrote 04/02/2017 at 19:59 point

Thanks for the follows and likes!

  Are you sure? yes | no

Become cool instantly

Create your Hackaday.io profile like Tony Robinson and many others