Ricoh?
edit- The SNES article still says that the 5A22 is/was "believed to be produced by Ricoh". How sure are we about this? --StuartBrady 23:33, 11 March 2006 (UTC)
- Very sure... Here's the SNES CPU: https://siliconpr0n.org/map/nintendo/s-cpu-a/mz_ns20x/#x=3961&y=4376&z=5 134.97.179.171 (talk) 11:28, 11 March 2021 (UTC)