Besides SIM-H one can always boot into physical machines now that there are open source hardware systems that run on FPGA:
- https://opencores.org/projects/z80soc
- https://opencores.org/projects/pdp1
- https://opencores.org/projects/sparc64soc
Besides SIM-H one can always boot into physical machines now that there are open source hardware systems that run on FPGA: