This is a solid strategy! I think we might have actually settled on map dimensions at one point, I'll do some sleuthing and try to dig that up.
Edit:
Never mind, everything I'm finding is pointing toward there being no settling. Does anyone know what dimensions Link to the Past, Oracle games, or Minish Cap was? We could base it off that.
I checked a little, I think the game boy color games were 16x16 screen over worlds. Each screen looks to be 10x8 tiles, not counting the item bar thing. So 160x128 pixel screens gives those overworlds a size of 2560x2048. I imagine a link to the past has a much bigger overworld, because that's how it felt. Much less divided up.
Non sequitur: woo! Post no. 1000!