It's a great technique. Using it, and a suitable test program, you can bootstrap an emulator core for something simple like a mips, z80 or 6502 in a day or two

It's a great technique. Using it, and a suitable test program, you can bootstrap an emulator core for something simple like a mips, z80 or 6502 in a day or two. I highly recommend it as a low-level itch scratching programming exercise.