Some decades ago, on one of the first IBM PCs 12Mhz, I created a neural network using static point multiplication (binary shifts) that learned to play tic tac t

Some decades ago, on one of the first IBM PCs 12Mhz, I created a neural network using static point multiplication (binary shifts) that learned to play tic tac toe over about a weekend, in C. I probably have some code for it still lying around.