The following is the release procedure for open21xx.

In a clean directory:

- checkout open21xx
- append the version number to the directory name
- tar the directory
- in a test directory untar the tar ball and run make

- Verify the as218x version string.
- Verify the as219x version string.
- Verify the ld21 version string.
- Verify the ez21 version string.

- do a test run of dlymain, pass, stair, and reverb on 218x.
- do a run of UARTBoot on 219x.

- cvs rtag open21xx-N-N-N open21xx

- Copy open21xx-N.N.N.tar.gz and ChangeLog to website.
