Sim-MP4-CPU 30 march 2021 This is a simulation of the Instructables MP-4 https://www.instructables.com/Simplest-4-Bit-TTL-CPU/ It is made with Simulide version 0.4.14, more background is in this topic, reply 18-29 https://simulide.forumotion.com/t143p25-74hc181-alu-8-bit