Not just emulators. You can do nifty things, like redirect RAM reads and writes to a different location, save states, freeze the CPU, feed it with a different R

Not just emulators. You can do nifty things, like redirect RAM reads and writes to a different location, save states, freeze the CPU, feed it with a different ROM (bypassing the one in your board), etc. https://bitfixer.com/2020/02/19/romulator-6502-is-ready/ https://bitfixer.com/2020/02/19/romulator-6502-is-ready/