I'm thinking of ways that Sega Genesis video could've been sent through the SNES. Here's what I came up with.
-Scale video to 400x320.
-Display it using interlaced pseudo-hires mode.
-For the BG layers that are being used to render the psuedo-hires mode, only update one layer at a time.
-Both layers carry luma information, but only one chroma channel.
-Scale video to 400x320.
-Display it using interlaced pseudo-hires mode.
-For the BG layers that are being used to render the psuedo-hires mode, only update one layer at a time.
-Both layers carry luma information, but only one chroma channel.