The FDS CPU is very RISCy in nature, but it actually has close to 40 instructions! https://forum.nasaspaceflight.com/index.php?topic=9476.msg2640632#msg2640632

The FDS CPU is very RISCy in nature, but it actually has close to 40 instructions! https://forum.nasaspaceflight.com/index.php?topic=9476.msg2640632#msg2640632 https://forum.nasaspaceflight.com/index.php?topic=9476.msg26... And it has been compared to the PDP-8 like rahen suggests, although the Voyager computers are built from medium-scale ICs!