SDCC - Freeware ANSI C

[Tobermory]

Interest anyone, this?  Haven't had much of a chance to look at it yet.
-Tob

"...a Freeware , retargettable, optimizing ANSI - C compiler. The
current version targets the Intel 8051 and the Zilog Z80 based
MCUs."
http://sdcc.sourceforge.net/