Bare Metal Programming with Only Three Buttons

For anyone who�s seen a 1970�s era microcomputer like the Altair 8800 doing its thing, you�ll know the centerpiece of these behemoths is the array of LEDs and toggle switches used as input and output. Sure, computers today are exponentially more capable, but there�s something undeniably satisfying about developing software with pen, paper, and the patience to key it all in.

If you�d like to get a taste of old school visceral programming, but aren�t quite ready to invest in a 40 year old comp ..