Boosted by cstanhope@social.coop ("Your spooky 'net denizen"):
revenant wrote:
https://forums.nesdev.org/viewtopic.php?t=26295
wrote up a bit of info on a less common US revision of Micro Machines for the NES, featuring a pretty nasty bug, discovered just a little too late and then worked around by using a PLD to patch a single *bit*. this is what day one patches looked like in 1991!
