Lines 80 and 90 finish the first run setu by clearing some working memory, setting up the foreground color, and setting up the screen.

Once finished line 90 jumps to the main executive routine at BASIC line 5000 to find the “next screen” of the game to show and go there.

BAS0080:
                              ; 80 CLEAR300,&HEFFF '300 CHARS, RAMTOP=EFFF
            lbsr  COLOR1      ;    COLOR1          'FGND 1 BGND 0 COLORSET NOT
                              ;    SCREEN 2        'SG6 64x48 9-color on NEC
                              ;    CONSOLE,,0,0    'SCROLL START,
                              ;                    'LENGTH DISABLED,
                              ;                    'PNKEYS OFF,
                              ;                    'KEYCLICK OFF

BAS0090:
            lbra  BAS5000     ; 90 GOTO 5000       'PICK WHICH SCREEN TO RUN

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