I have the RAM pulled out of my code and put into a testbench. I also pulled out the clock and reset pins. Took me a little bit since it was wedged in there pretty good. After that, I was finally able to synthesize and implement the code. It's not quite ready for prime time yet. I still need to put in the clock manager block and I/O blocks. But the testbench still works.

I'm also going to have to come up with a short program to run to prove it's working. What better than Hello World! I figure I can store the ASCII characters in the ROM. Then have a loop which copies a letter to the UART, then waits for the UART busy to go low, then increase the pointer to the string, and repeat. Just have to get the UART working next.