XC=BASIC v2.x is no longer maintained. Please use XC-BASIC 3
XC=BASIC is a dialect of the BASIC programming language for the Commodore-64 and xcbasic64 is a cross compiler that compiles an XC=BASIC program to 6502 machine code through the DASM macro assembler. It runs on Windows, Linux and Mac OS. The name XC=BASIC stands for "Cross Compiled BASIC".