code challenge

Do something graphical in 50 lines of readable normally formatted code, don't count whitespace or lines with a single character(like a closing brace).

>>30

I'm not sure what you're getting at here, because code always builds on top of a pre-existing system.  Besides another layer of abstraction, what's the difference between making use of a library in C code, or calling interrupts in assembly.  You still at minimum make use of OS code and the hardware drivers.