Warp mode : [ALT]-[L].
Beep will wound and display will freeze, type 11, 12, 13, 14 of 15 to warp
to respective level 1.1, 1.2, 1.3, 1.4, 1.5. Typing wrong level numbers will
dump program to DOS.
Location : [ALT]-[=] (type coordinates to change location)
NOTES: These modes are present in v1.1 only, in v1.2 they are
disabled.
Start the game with the command line password [SKIP]
(ie; [HH1 SKIP] and the game will start directly at the main menu.