Intel 4004 CPU Simulation

Intel 4004 CPU Simulation

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Intel 4004 CPU Simulation



user
Title: Intel 4004 CPU Simulation
Pixel Artist: onilink_  (Level 8 Marshal :: 10384 points)
Posted: 12/11/2019 10:23
Statistics:  7 comments    4 faves    0 avatars

Hello,

This is not traditionnal pixel art, but an entirely working simulation of the intel 4004... in a "pixel art" circuit.

It's a part from a secondary project I'm working on. A transistor level simulator based on bitmap images.

The animation you can see here is just a small loop from a "set all registers to 0xF" simulation. The IO are set from the simulator, with an emulated ROM to feed the CPU with custom instructions.

Here the image circuit, and here at "higher resolution" for a better visibility of transistors.
 

Green pixels are transistors, red pixels are pull up, and blue is ground.

The circuit was drawn by hand (it took a long time). Based on official schematics.

Discussion

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user
onilink_ (Level 8 Marshal) @ 12/13/2019 09:14

No, powdertoy use a particle based representation of an electric current.  This has two major disadvantages:

- it's extremelly slow

- it's absollutelly not realistic when you try to simulate real transistors

This simulator works with real hardware and is pretty fast compared to "particle based" representations, like you can see here for example: the DIE photography, and the simulated version.

Other than powdertoy you have wireworld that uses cellular automatons. But it's also pretty slow and not realistic.


user
Unknow0059 (Level 2 Quiet One) @ 12/13/2019 07:38

Why? You can make this in PowderToy.

Oh. This is for a project of yours and you're just sharing a snippet. Nevermind.


user
onilink_ (Level 8 Marshal) @ 12/13/2019 02:07

Merci Graindolium, Theoden, IvoryMoonchild, shm31 :)

@shm31 :D Yes, of course, I hope one day my "game" will be playable to achieve this!


user
shm31 (Level 4 Button Man) @ 12/12/2019 17:02

Is it possible to learn such power ?


user
IvoryMoonchild (Level 3 Corporate Drone) @ 12/12/2019 14:47

Absolutely stunning!


user
Theoden (Level 7 Sheriff) @ 12/12/2019 00:28

This is insane, I love it.


user
Graindolium (Level 3 Private Eye) @ 12/11/2019 19:34

c'est génial !


Related & Tags


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