#retrocomputing #vintagecomputing #ibm1620
The Finite State Automata implementation has 14 of 36 Model 1 opcodes working. Once the Division opcodes are finished, the remaining 20 are (generally) pretty simple.
Really. They don't involve complicated arithmetic. 9 of them use trigger states and register transfers. Some are I/O, and the rest are data transfers.
There's a light at the end of the tunnel. It's not an approaching train.