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.
This game uses a newly developed graphics-mode called PECBM11 which provides a resolution of 88x200 pseudo-hires pixels. PECBM11 is based on PECBM (80x200 pixels) by Genesis Project's "A Bright Shining Star"-demo.
It updates the video-RAM char-pointers