HackCPU Logisim CPU Testing - Tips, Tricks, and Secrets 

Using Logisim Evolution, I continue testing the HackCPU design. I find a particularly difficult problem regarding memory access and propose a solution. I also uncover opportunity for improved Logisim simulation consistency with hardware.
Resources:
github.com/log...
docs.xilinx.co...
www.sparkfun.c...
www.sparkfun.c...
You do not need the Lucid IDE but you will need the program loader for the Alchitry board if you want to load designs from the Vivado build.
IDE and more info about Alchitry Labs: alchitry.com/a...
Loader: github.com/alc...
You will need the Vivado product from Xilinx to synthesize the design for the Alchitry board. It's huge, but free (if you give your information). Sorry. I did not write it.
www.xilinx.com...
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