This is the source code to an unfinished extension that introduced lots of commands into STOS Basic to deal with the Atari STE. It contains commands to interact with the Jaguar controllers, along with automated hardware scrolling commands, and reading joysticks that are connected to the Centronics ports.
Full interpreter, source code and instruction manual included in the zip file.
Neil started coding in STOS in 1989 just after it was released in the UK.
During those 31 years he has written numerous demo screens, routines, games and extensions, most of which are now lost due to a massive hard disk crash. What remains on floppy disk is still being discovered and posted on the STOS Coders website and stored in the cloud for everybody to enjoy (or laugh at).
Neil is the author of the GBP Extension which added some pretty cool commands to STOS, along with the "Development" extension that enabled enhanced STE functionality, including probably one of the simplest hardware scrolling routines around.
Along with Bruno Azzara, Geoff Harrison and Mike Halliday we had loads of fun back in the day trying to push STOS to it's limits. We are all now enjoying bringing our knowledge to a new generation of STOS Coders.