49 explosive games for the ZX-81

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The end of the game is the hardest part, and it is the main reason for getting as high a score as you can before the dam is destroyed. Scoring is simple. You get 100 points for going from the safe to the bank vault and another 100 for successfully bringing back a sack of gold. If you lose a life while 104 carrying the sack, you do not score. Neil's highest score is around 3300, which gives you a target to shoot for. The program is written mainly in BASIC, but it uses a machine code routine located at 32530, which moves the logs right and left across the screen, stopping them after a collision with a dam wall.

The loaders have been used to maximise memory space for the main program. To type the games in, enter and SAVE the loader program, then type in and SAVE the main game directly after it. When saving the programs, or re—running them, remember that the start line is 1 for the loaders and 900 for the main programs. -: LET S=P: RETURN 3 7- PRINT '"T AM TN R 5MALL, DR THERE I. R GATE TO RK CPE. ": LET E=P: LET W=P: RETURN PRINT '"I AN ON A PRTH, Whi CH CONTINUES TO THE SOUTH. " 40 LET N=P: LET 5=2: LET E=P: LET W=P: RETURN 42 PRINT '"THERE IS R FOUNTAIN HERE.

GO TO. ) THEN PRINT "I HAVE NOTHING TO CUT IT WITH. ° iiT 40 PRINT-0K.. – : Tn C– ä3 74 LET VC=P: GO 3100 IF LOC < : :'1 THEN PRINT "THEP C-^ w ^' ^, NOTHING HEREE T;? W .. :M8Et=< _ . " . GO ^. `. 3130 LET =Or:L r- . • EAC:=. == R INT " –"II HR-fttE FOUND THE CONTA CT, AND HA VE SUCCESSFULLY COMP L E T E D MY MISSION. THE CONTACT TRAIN DRIVER. ": G O TO C 5230 PRINT ' ' N : K C-E APPEARS- TO :.. , "13" 3020 L ET OB=:_i: LET v'O =C: LET GU= , . ° r`-è- L – 1000 P: LET t_! 3 _ DIM 0$(7,13) 5=040 RESTORE E:000: FOR Z =P TO 7: R EA D O$(Z) , A$: LET O (Z) =VAL A$: NEXT Z 8050 DAT A "KNIFE" '.

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