Worked on the 265SXB API over the weekend. There are routines for printing text, keyboard input, and I/O ports. The demo project (subject to change) currently prints some text and flashes an LED when a button is pressed:
https://github.com/mikeakohn/java_grind ... nkLED.javaPrinting signed integers was a challenge. I borrowed an algorithm from a stack overflow answer (lost the link, sorry), which uses repeated subtraction to divide by 10000, 1000, 100, 10, etc. It's still pretty rough, but here it is anyway:
https://github.com/mikeakohn/java_grind ... B.cxx#L155Edit: found the algorithm:
http://electronics.stackexchange.com/qu ... 2633#12633