ben0109/XSVF-Player — pull request #2 by tormodvolden (2014-05-09 20:51:02+00:00)
Title: Clock out new TMS and TDI values only on falling TCK

As described by Xilinx XAPP058, "TAP Timing" section.

Also add a note on valid TDO after falling TCK, since
that could be an issue on very fast microcontrollers
one day.

Signed-off-by: Tormod Volden