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The "voltage spike" method caused a cat-and-mouse game between Nintendo and the unlicensed game companies, where Nintendo would make a new NES board revision an
by ndiddy 5y ago
The "voltage spike" method caused a cat-and-mouse game between Nintendo and the unlicensed game companies, where Nintendo would make a new NES board revision and then the companies had to figure out a way around their new current protection. Some companies even published directions in their game manuals for how to modify the NES console to get around the protection: https://files.catbox.moe/9t03p6.png https://files.catbox.moe/9t03p6.png
- TedDoesntTalk 5y ago> Nintendo would make a new NES board revision and then the companies had to figure out I don’t understand how they can Do that and still maintain backwards compatibility with old cartridges?
- toast0 5y agoThe changes only broke (some) unlicensed cartridges, it didn't break cartridges that had a Nintendo manufactured protection chip.
- tedunangst 5y agoYou stick a diode on the reverse fry line, so sending -5v resets the console instead of the copy chip.