How can I make my own microcontroller?

Question

How can I make my own microcontroller? I\'ve done some work using GAL chips and programmed a chip to do simple commands such as add, load, move, xor, and output, but I\'d like t

Answer 1

To play with soft-core microprocessors, I like the Spartan 3 Starter Board from Digilent just because it has 1M of static RAM. SDRAM and DDR RAM are harder to get going, you know.

The leds, switches and a simple serial interface are a plus to debug and communicate.

As someone already pointed out, OpenCores.org is a good place to find working examples. I used the Plasma uC to write some papers while on university.