[Coco] Software determination Coco1/2 or Coco3

[Rietveld Rietveld]

Hi guys. Is there a way for software to determine if it's running on a coco1/2 or Coco3.
Maybe by PEEKing a location?

I want to automatically dual boot my CoCo Flash Menu. I want the flash to boot up showing only coco1/2 games on those machines and all games when it recognizes that it's plugged into a coco3

Thanks

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