Top 10k strings from lunarbug.tap in <root> / bin / z80 / software / ZxTapGames.zip / games /
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3 cx,cy;" "; 3 ,cy;" "; 3 2 Variables 2 SET UP SCREEN 2 ******************** 1 x,y;" "; 1 x$="BONUS = "+ 1 o$=" 1 fuel=fuel-. 1 fuel+" x "+ 1 buggy=buggy-1 1 buggy 1 b$=" " 1 Wait for a key to be pressed 1 This routine moves buggy across screen into position at line 8500 1 This routine comes into play once you've lost a life. Line 9210 blows moon lander/buggy to smithereens, line 9240 checks you've still some lives in hand, line 9250 rubs out lander from score 1 Sets up initial screen attributes 1 Set up landscape for buggy part of game. The second bank of UDGs is used via system variable 23675 (see lines 10-24) 1 Set up lander screen details. Line 7005 selects first bank of UDG data 1 Set up initial variables and attributes for lander part of game 1 Set up UDGs. This is different from usual method as 42 characters defined - twice as many as normal. These are addressed as two banks of 21 UDGs by changing system variable UDG(23675) 1 SET UP VARIABLES 1 SET UP UDG'S 1 SET UP LANDSCAPE 1 Routine to fire a shot from buggy. This will only be of use after level 2 1 Routine to blast moon lander off into space 1 Routine draws white lines OVER whole screen - thus, instructions are made to materialise as if by magic 1 Prints buggy from second bank of UDG data 1 Print score. Line 9015 checks for buggy's gun being fired. Throughout routine, if you've reached level 3 or over, a check is made to see if you've managed to hit alien with laser blast; also to see if buggy has hit a hole in track. If level is a multiple of 4 then a larger bonus is awarded. The routine then GO TOs to line 8900 for next move 1 Print number of moon landers left 1 Print instructions using black INK and black PAPER 1 PRINT AND MOVE LANDER 1 PRINT & MOVE MAN & LAND 1 Lines 9210-9260 1 Lines 9060-9110 1 Lines 9012-9052 1 Lines 8910-8970 1 Lines 8605-8800 1 Lines 8510-8600 1 Lines 8505-8585 1 Lines 84-88 1 Lines 8170-8270 1 Lines 8090-8140 1 Lines 7875-8060 1 Lines 7610-7870 1 Lines 76-77 1 Lines 7580-7600 1 Lines 7570-7575 1 Lines 7510-7556 1 Lines 7355-7380 1 Lines 7310-7350 1 Lines 7005-7040 1 Lines 68-72 1 Lines 6010-6060 1 Lines 44-64 1 Lines 30-36 1 Lines 14-22 1 Line numbers highlighted in green have had coding deleted 1 Lander has landed, so underneath of landing bay is printed up on-screen. This is done using a call to 3582 of ROM which scrolls screen and attributes up one whole screen line 1 LOSE A LIFE 1 INSTRUCTIONS 1 FIRE A SHOT 1 Erases old buggy and prints in new position 1 Erase old lander and print in new position 1 End of the game routine. You'll be asked if you want to play again, and whether you want to see instructions for play 1 Draw screen. Lines 7335 and 7340 dimension a$ to size of screen minus top line (21*32=672). The screen is then filled with characters from element 311 onwards and, finally, a$ is printed 1 Draw screen containing buggy part of game, inlcuding score, "buggys left", etc 1 Comprise data for two sets of UDGs 1 Coding highlighted in green has been inserted by me 1 Check if there's been a crash, or whether you've managed to land successfully 1 Cause lander to move down 18 lines of screen, one at a time, until it reaches bottom 1 Calculate and print bonus details - this depends on landing position and how much fuel is left in tank 1 ;"___________" 1 ;"SCORE ";s;" LEVEL ";lev, 1 ;"SCORE ";s,"LEVEL ";lev,,,,,,, 1 ;"PRESS i FOR INSTRUCTIONS" 1 ;"PRESS A KEY TO PLAY"; 1 ;"PLEASE WAIT" 1 ;"OR q TO QUIT" 1 ;"LUNAR BUGGY" 1 ;"LANDERS LEFT",, 1 ;"GAME OVER": 1 ;"FUEL ";fuel 1 ;"BUGGYS LEFT " 1 ;"BONUS = 5000": 1 , which store buggy's position 1 )=" 1 ''"To do this use keys-" 1 '"The object is to first land yourmoon lander and get to your moonbuggy.Then you have to get to the next moon lander in your lunar buggy." 1 '"PROGRAM BY ROBERT STOCKTON" 1 '"ENHANCEMENTS BY JIM GRIMWOOD" 1 "Good Luck. Press a key to play" 1 "BUGGY UDG'S BY ANDRE TABRIZIFAR" 1 "9-Left 0-Right" 1 "2-Fire(only the buggy has a gun)The buggy jumps higher the further forward you are." 1 "1-Thrust or Jump" 1 store old buggy position. Lines 8915 and 8920 draw land which is level-dependent; it gets much harder after 2nd level. Lines 8930 and 8940 read keyboard and update variables 1 position and velocity( 1 are used to contain last position of lander. Keyboard is then read and note taken of change of 1 "; 1 Program reorganised and enhanced by Jim Grimwood 1 " 1 1 1 1