Colin O’Flynn makes a cool video showing the ZAP IDE in action! Watch as he makes a custom PWM peripheral, adds it into the ZPUino Soft Processor, and writes C code to control it.
Jump to 37:10 mark to see it working! Full details at http://programmablelogicinpractice.com in August 2014 Issue of Circuit Cellar. Code is located as a link on that blog post.