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the processing power of the gba isn't enough to directly emulate
the snes.
as for all the ports of the games that have come out,
the usually use the same graphics that's why the sprites looks so
big, as the resolution of the gba is only 240x160 if i remember
correctly.
other emulators that have appeared on the gba, like the nes,
master system, pc engine and spectrum. all give the option to scale
the image to fit onto the gba's resolution, as even the speccy had
a higher resolution than the poor gba. but this means you loose
some lines of graphics, so if pixels are drawn on one of those lines
it won't even be seen.
as for the sega nomad, it was a portable sega genesis/megadrive
that was released in japan and america. it had six buttons, aswell
as the start and mode buttons, a back light, and a tv out.
you can usually track them down on eBay.
[squire]
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