M302de: bypass is_staff_lvl2_in_group()
M302de: bypass DNG_turn()
M30de: add dungeon stub functions
M302de: add code for DNG_stub1()
M302de: add code for DNG_stub2()
M302de: add code for DNG_stub3()
M302de: bypass DNG_stub3()
M302de: add and bypass DNG_draw_walls()
M302de: bypass DNG_stub2()
M302de: bypass DNG_stub4()
M302de: add code for DNG_stub5()
M302de: mark is_staff_lvl2_in_group() as borlandified
M302de: add code and bypass DNG_lights()
M302de: bypass DNG_stub1() and DNG_stub5()
M302de: add two constants
M302de: add XOR on byte in datasegment helper
M302de: modify DEC on word in datasegment helper
M302de: bypass DNG_timestep()
M302de: bypass DNG_update_pos(), DNG_inc_level() and DNG_dec_level()