v2 is out now!
A programmable 4-bit redstone computer. It has 16 bytes of RAM and a clock speed of about 1/16Hz.
Program it with the following commands in concrete powder:
INP
LDA
STO
ADD
SUB
& more to come!
Video for v1:
https://youtu.be/2PTw1md4IxE
Video for v2:
https://youtu.be/A7IS9r-LWe0