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.
The PETSCII graphics set includes glyphs for the standard card suit symbols (hearts, spades, diamonds, and clubs), allowing programmers to draw recognizable playing cards with simple PRINT statements. BASIC card games were common on the PET and CBM computers.
BJACK is a simple game of blackjack that pits the human player against a computer dealer. The dealer plays in a conventional way and you should be able to come out on top if you play patiently.