1984,1985 Data Becker, Thomas Helbig & (c)1985 Abacus Software. BASIC 128 allows you to convert a BASIC program into a compiled machine language program for significant increases in speed.

Blitz BASIC Compiler for the Commodore 128

Pet Speed is a BASIC 7 compiler for the Commodore 128. It offers significant speed enhancement to program written in BASIC by converting them to machine language. This is a full version, so you will need the manual to get past the copy protection that has you identify a color from a matrix. Check out bombjack.org/commodore for the manual.