Welcome to the GNU Development chain for the Motorola 68HC11 & 68HC12 micro-controllers. The cross compiler works on any host supported by GNU tools (Solaris, GNU/Linux, FreeBSD, HP/UX, MacOS X, Windows,...).

The GNU Development Chain is very complete and integrates:

  • The GNU C, C++, compiler v3.3.5 (stable)
  • The GNU Binutils (as, ld, ar, objcopy, ...) v2.15 (stable)
  • The GNU Debugger v6.2 (stable)
  • The NEWLIB libraries (libc, libgloss, libm) v1.12.0
This development chain and the main components it is based on are distributed under the terms of the GNU Public License.

Release 3.0.1 is the latest stable release of this HC11/HC12 development chain.
It is available in source and binary forms for Linux and Windows.


News
- Jun 12, 2005
 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.
- May 17, 2005
 Tom Burrell (tburrell at southwestmicrowave.com) wrote a port of GDB for FreeGeek's TBDML12 pod for the 68HCS12).
- Jan 30, 2005
 Release 3.0 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.
- Aug 29, 2004
 Pre-Release 2.92 of the GNU Development Chain for 68HC11/68HC12 is available. It is based on Binutils 2.15, Gcc 3.3.4, Gdb 6.2 and Newlib 1.12.0.
- Feb 29, 2004
 Pre-Release 2.91 of the GNU Development Chain for 68HC11/68HC12 is available. It is based on Binutils 2.14, Gcc 3.3.3, Gdb 6.0 and Newlib 1.11.0.
- Nov 5, 2003
 Nathan Gustavson of EMAC, Inc donated an iPac HCS12 board.
- Oct 5, 2003
 Alpha Release 2.90 of the GNU Development Chain for 68HC11/68HC12 is available. It is based on Binutils 2.14, Gcc 3.3.1, Gdb 5.2.1 and Newlib 1.11.0.
- May 1, 2003
 Release 2.2 of the GNU Development Chain for 68HC11/68HC12 is available.
- Feb 22, 2003
 gnu-m68hc11 mailing list reached 500 members.
- Feb 21, 2003
 New FAQ with user webnotes support. How to contribute.
- Feb 16, 2003
 New snapshot with 68HC12 far trampoline support and 68HC11 memory paging is available ( gcc-3.0.4-m68hc1x-20030216.diffs.gz, binutils-2.12.1-m68hc1x-20030216.diffs.gz).
- Jan 4, 2003
 Release 2.1.1 of the GNU Development Chain for 68HC11/68HC12 is available.
- Old news