the movement on the screen kinda looks like a screensaver ngl
Here you are: id:2629891. A very crappy depiction of Commodore PET.
JozeffTech: what a commodore pet?
I give you idea: try making Commodore PET!
if you're talking about AND mode in full adder, I saw some adders using lsns and tried to make my own version. In this case, DTEC looks for a bray, gets life 1, and lsns changes the filt's stage, allowing a type of AND gate.