Mike-

Thanks Mike.

> Whatever XST is doing, I expect that it would match modelsim.

The code above never makes equality, but I don't know how to fix it.
Would you know what this means:

Q13. An unconstrained integer results in bad quality.
A13. This is a known limitation in XST. Support for this is planned
for ISE 9.1i.

This is on page:


http://www.xilinx.com/xlnx/xil_ans_d...&iLanguageID=1

but I can't find any other Xilinx reference to it.

-Jeff