To start the program, just double click on B17.prg.
Full instructions are presented after the title screen.
B17 was programmed (in STOS basic version 2.6) and
tested on a 520 STm with 2.5 Mb memory. The program only works in
colour. It should work with 0.5 Mb memory (if not, copy the file
B17.prg into an autofolder and try again). The program is joystick
In order to save the high score table leave the disk write
enabled. If you do not want to save the high score table then
write protect the disk.
Note that although the score increases every time you hit the
buildings with your bombs, the score on screen is only updated
when the plane has left the screen and no bombs are falling.