CM Guide to Chip Tunes

Computer Music have a feature on chip tunes in their March issue including emulators. I wonder if they'll include emulators for handheld devices too?
This is what the email from Computer music says:

The CM Guide to Chip Music
There are few genres as quintessentially 'computer music' as chip music, born as it is of the bleeping 8-bit ditties found in countless classic video games. We speak to chip-chomping whiz kids gwEm and Goto80 about making music with Atari STs, C64s, Game Boys and more, and show you how to make your own chirpy tunes using emulative software on your PC.