It would still be a large project to build an FPGA replacement, as someone would need to trace out all the circuitry. I've just scratched the surface. But at a

It would still be a large project to build an FPGA replacement, as someone would need to trace out all the circuitry. I've just scratched the surface. But at a minimum I hope to extract the ROM contents, the data path widths, and so forth, which will allow emulations to be more accurate.