Changing the size of memory or changing the ROM version forces a reset of the PET.
The emulator has an IEEE-488 device at address 8. It can be used load and save (.prg) files.
Some programs don't run on ROM1 and some require more memory than the default 8K.
LIST is a formatter for BASIC program listings to improve program readability. By default, the output is directed to the screen, but you can change the program to output to a printer. The output of this program is read only; you can read the nicely-formatted listing while the original BASIC program remains undisturbed in RAM.