I saw a similar one Super Mario, where finding a glitch in a warp tunnel triggered an out of bounds read, and prior joysticking wrote the appropriate bytes just

I saw a similar one Super Mario, where finding a glitch in a warp tunnel triggered an out of bounds read, and prior joysticking wrote the appropriate bytes just beyond the buffer to trigger whatever they wanted. There was another one in a Pokemon game where you had to do a bunch of buy/ sell transactions to prep memory just so, then overflow an item count to trigger a jump. Truly fantastic stuff. Someday aliens will attack and these antics will save us.