MetalliC
Champion
protocol and simulation can be seen theredo you know more about the rs232 sensor board.
https://github.com/flyinghead/flycast/blob/master/core/hw/naomi/touchscreen.cpp
"I have SNES emulator, I thought it may be possible to use it to play MegaDrive games"as I thought I may be able to use open jvs or mp07
