catgirl

It's probably a plugin that checks whether you stand on that specific block or a message block that is placed above it. Then it just sends the `/boost`(?) command or the velocity packet. Check CPE specs on wiki.vg. There might be a better way to do this now.

It does not really matter, it's just a way to get input and output at this point with processing done somewhere else. No fun porting required.

Amazing ClassiCube fanfiction. I am a book publisher and would like to see it become a bestseller recommended by The New York Times. Would you like to accept my offer?

It is possible to run Mesa 6.5 on DOS to get OpenGL 1.5. IIRC won't work as far as the 8086 though. There's a MIPS to JVM bytecode converter called Cibyl. It supports J2ME and calling JVM code from C code. By the way, someone ported the Classic/Indev MC codebase to J2ME.