Release 3.0.1 of the GNU Development Chain for 68HC11/68HC12 is available. It is based on Binutils 2.15, Gcc 3.3.5, Gdb 6.2 and Newlib 1.12.0.

It is available as source and binary for GNU/Linux and Windows.

It contains the following fixes and improvements:

Gcc
* Fix [bug #11813] Code generation problem (bset/bclr -m68hc12 -Os
indirect addr)
* Fix [bug #12243] Loop compiles incorrectly (HC12)
* Fix [bug #12297] -fomit-frame-pointer and -Os generate wrong code on
the HCS12
* Fix [bug #12572] internal compiler error; unsigned short in for loop

This is available on the following sites:

Tom Burrell (tburrell at southwestmicrowave.com) wrote a port of GDB for FreeGeek's TBDML12 pod for the 68HCS12 .