Now that the dust has settled, how did these nips get access to the mos 6502 for the nes?
>>107697125They did nothing wrong.
patent license. unlike the russians that just reverse engineered it and stole the tech then gave it to the chinese.
they sneakily reverse engineered it
>>107697152They disabled BCD to circumvent that exact patent
>https://www.copetti.org/writings/consoles/nes/>Both Ricoh’s and MOS’s variants feature the same layout, but Ricoh’s contains severed buses (disabling certain functions) >A document explicitly stating that MOS licensed the 6502 to Ricoh is yet to be found.>An article published in 2008 by Nikkei Trendy states that Ricoh licensed from Rockwell, an authorised chip manufacturer [11]. However, it’s debatable whether a second source was able to provide IP to a third party, much less with MOS’s approval.>It wouldn’t be the first time Nintendo got away with circumventing IP rights, as Ikegami Tsushinki v. Nintendo ruled in Japan that Nintendo didn’t own the code of the original Donkey Kong [12].