When was the last time you used the regsvr command? That and some twiddling with html has resurrected TurboCAD. With TCW up and running, I've tried a few exports of the RCCC board layout. Uploaded are the original TCW drawing, DXF and DWG exports. The C code to run things is there, too. It requires ZiLOG's dev studio.

Known Issues:

This version of the clock needs a capacitor, or two, to be added to the RTC's crystal oscillator. Also, the I2C interface code has a bug when writing to the RTC.