Nintendo Entertainment System (NES for short) (also known as Family Computer
or "Famicom" in Japan or "Dendy" in the former Soviet Union) was a very
famous third generation (8-bit) in the second half of the eighties with
several notable games.

Being a 8-bit, comparatively simple (even when taking into the different
Multi Memory Controllers I'll later elaborate on) game console, not very
powerful hardware like current Windows Mobile devices can easily run NES
games at their original speed, including music. In this roundup and
tutorial, I elaborate on how this can be done. In addition, I publish a
reliable, dependable (I've made all the tests MYSELF and don't rely on any
other, in most cases, unreliable source) compatibility list with many-many
famous titles.

Bird's-eye view on NES emulation: what makes NES emulation easy / hard?

While the built-in circuitry itself in the basic NES console is pretty easy
to emulate, the custom chips / electronics (for example, enhanced sound
generators for the Japanese Famicom - Famicom supports external sound
generator circuitries, as opposed to the NES sold in Europe / the States)
present in many game cartridges requires require a lot of additional work.
You can read a bit more HERE on what chips there are. Implementing emulation
for all of these technologies takes a LOT of time and effort; this is one of
the reasons why "from-scratch" one-man projects like SmartGear have so low a
compatibility rate.

.... more at:
http://www.pocketpcmag.com/blogs/ind...&c=1&tb=1&pb=1
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Werner "Menneisyys" Ruotsalainen - Microsoft MVP - Windows - Mobile Devices
Please see the Pocket PC Mag Expert Blog (including mine) at
http://www.pocketpcmag.com/blogs/ - you will definitely like it.