Title link takes you to the source of this image. Here are some more: (1, 2, 3, 4, 5, 6, 7, 8). Anyone able to translate the Japanese or know more about these shots?BTW you can find details on the Roland System 700 Modules here.
EVERYTHING SYNTH
"A sega megadrive/genesis sequencer that controls the joystick and the bends.. It syncs to the gameboy. so the characters in the game move to the music that is comming out of the gameboy.. the game that has been used in the video on my site has also been rom hacked. sonic and tales have gotten a complete work-over the layout is different and you can see the flowers have turned into gameboys.."