Changes
Code beautification
         - removed:   undispatched code/subroutines
         - removed:   unused tables
         - removed:   locode & hicode patch-work jmp/jsr around the code
         - collected: chapter code
         
.hbu001. - adapted: BASIC modification protection
         - adapted: BASIC loader
         - removed: NOP opcodes / 1st modification protection
         - removed: rest of BASIC modification protection
.hbu002. - transporter flight hight correction
.hbu003. - "Q" to end game (get rid of the awful jostick left)
.hbu004. - tank explosion
.hbu005. - force tank move left if max posY is reached
.hbu006. - score transporters and enemy tanks only once
.hbu007. - tank shot range shortened
.hbu008. - cave torpedo explodes after ship was hit/recolor torpedos
.hbu009. - remove disturbing separation line on READY screen
