TimI finally received the TinyTapeout board with the Zinnia+ MCU design!
I decided to use an RP2040 the exercise the I/O of the design. Since the code memory is external to the MCU, it needs to be emulated by a program on the RP2040.
Here is the output of the prime number generation program:
More documentation and code here: https://github.com/cpldcpu/tt02-mcpu5plus/tree/main/validation
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