On: The DooM-chip: no CPU, no opcodes, no instruction ...

[goldenkey]

Oscilloscope doom? I can dig it. Kinda like I dig this [1]

[1] https://www.youtube.com/watch?v=kPUdhm2VE-o

[MayeulC → goldenkey]

I like this guy. I thought this was going to be a more introductory video: https://www.youtube.com/watch?v=rtR63-ecUNo (holy c*, he published a lot of these since 2014, they're pretty good :) )

This has been done with quake: https://www.youtube.com/watch?v=aMli33ornEU

[goldenkey → MayeulC]

That is cool but I think what the OP meant by analog DOOM was actual analog circuits driving a TV PAL/NTSC signal or oscilloscope output.