Home » Archimedes archive » Acorn User » AU 1997-Xmas B.adf » Regulars » StarInfo/Vibe/ALIENGRASS
StarInfo/Vibe/ALIENGRASS
This website contains an archive of files for the Acorn Electron, BBC Micro, Acorn Archimedes, Commodore 16 and Commodore 64 computers, which Dominic Ford has rescued from his private collection of floppy disks and cassettes.
Some of these files were originally commercial releases in the 1980s and 1990s, but they are now widely available online. I assume that copyright over them is no longer being asserted. If you own the copyright and would like files to be removed, please contact me.
| Tape/disk: | Home » Archimedes archive » Acorn User » AU 1997-Xmas B.adf » Regulars |
| Filename: | StarInfo/Vibe/ALIENGRASS |
| Read OK: | ✔ |
| File size: | 0577 bytes |
| Load address: | 0000 |
| Exec address: | 0000 |
File contents
10REM > ALIENGRASS *** Jan Vibe march 97 *** 20 30MODE21:OFF 40DIM SPR &3000,SC 16,PX%(50) 50SPR!0=&2FFF:SPR!4=0:SPR!8=16:SPR!12=16 60SC!00=256:SC!04=256:SC!08=256:SC!12=256 70ONERRORGOTO510 80 90FORY%=0TO1024STEP2:PROCRGB(0,(255*(1024-Y%))/1024,255) 100LINE0,Y%,1280,Y%:NEXT 110SYS"OS_SpriteOp",256+15,SPR,"COL",0,128,16,21 120FORN%=0TO40:PX%(N%)=32*N%+RND(33)-17:NEXT 130FORN%=1TO500:SWAP PX%(RND(41)-1),PX%(RND(41)-1):NEXT:P%=-1 140FORN%=1024TO200STEP-20:P%+=1:NF=N%/1024 150REPEAT 160R1%=RND(255):G1%=RND(255):B1%=RND(255) 170UNTILR1%+G1%+B1%<=189 180REPEAT 190R2%=RND(255):G2%=RND(255):B2%=RND(255) 200UNTILR2%+G2%+B2%>=510 210SYS"OS_SpriteOp",256+60,SPR,"COL" 220FORY%=0TO15STEP2:FORX%=0TO255STEP2 230I1%=ABS(128-X%):I2%=128-I1% 240R%=FNMIX(R1%,R2%,I1%,I2%):G%=FNMIX(G1%,G2%,I1%,I2%) 250B%=FNMIX(B1%,B2%,I1%,I2%):PROCRGB(R%,G%,B%) 260POINT X%,Y%:NEXT, 270SYS"OS_SpriteOp",256+60,SPR,0 280S=RND(1)*2*PI:D=RND(1)*.02+0.015:X%=PX%(P%):W=NF*N%/8:E=RND(1)*.75+.25 290FORY%=0TON%STEP2 300S=S+D:F=(1-Y%/N%):X1%=100*F*E*SINS+X% 310SC!00=256*F*NF 320SYS"OS_SpriteOp",256+60,SPR,"COL" 330C%=RND(16)-1 340SYS"OS_SpriteOp",256+16,SPR,"LINE",0,0,C%,255,C% 350SYS"OS_SpriteOp",256+60,SPR,0 360SYS"OS_SpriteOp",256+52,SPR,"LINE",X1%-W*F,Y%,0,SC 370NEXT, 380END 390 400DEFPROCRGB(R%,G%,B%) 410LOCAL C%:C%=(R%<<8)+(G%<<16)+(B%<<24) 420SYS "ColourTrans_SetGCOL",C%,,,&100,0 430ENDPROC 440 450DEFFNMIX(C1%,C2%,I1%,I2%) 460LOCAL C% 470C%=(C1%*I1%+C2%*I2%)/(I1%+I2%)+RND(33)-17:IFC%>255 C%=255 480IFC%<0 C%=0 490=C% 500 510SYS"OS_SpriteOp",256+60,SPR,0:REPORT:PRINT" at line "STR$(ERL)
-� > ALIENGRASS *** Jan Vibe march 97 *** �21:� (� SPR &3000,SC 16,PX%(50) 2*SPR!0=&2FFF:SPR!4=0:SPR!8=16:SPR!12=16 <+SC!00=256:SC!04=256:SC!08=256:SC!12=256 F��d~A P Z1�Y%=0�1024�2:�RGB(0,(255*(1024-Y%))/1024,255) d�0,Y%,1280,Y%:� n0ș"OS_SpriteOp",256+15,SPR,"COL",0,128,16,21 x%�N%=0�40:PX%(N%)=32*N%+�(33)-17:� �2�N%=1�500:Ȕ PX%(�(41)-1),PX%(�(41)-1):�:P%=-1 �%�N%=1024�200�-20:P%+=1:NF=N%/1024 �� �$R1%=�(255):G1%=�(255):B1%=�(255) ��R1%+G1%+B1%<=189 �� �$R2%=�(255):G2%=�(255):B2%=�(255) ��R2%+G2%+B2%>=510 �$ș"OS_SpriteOp",256+60,SPR,"COL" ��Y%=0�15�2:�X%=0�255�2 �I1%=�(128-X%):I2%=128-I1% �5R%=�MIX(R1%,R2%,I1%,I2%):G%=�MIX(G1%,G2%,I1%,I2%) �+B%=�MIX(B1%,B2%,I1%,I2%):�RGB(R%,G%,B%) Ȓ X%,Y%:�, ș"OS_SpriteOp",256+60,SPR,0 CS=�(1)*2*�:D=�(1)*.02+0.015:X%=PX%(P%):W=NF*N%/8:E=�(1)*.75+.25 "�Y%=0�N%�2 ,'S=S+D:F=(1-Y%/N%):X1%=100*F*E*�S+X% 6SC!00=256*F*NF @$ș"OS_SpriteOp",256+60,SPR,"COL" JC%=�(16)-1 T3ș"OS_SpriteOp",256+16,SPR,"LINE",0,0,C%,255,C% ^ ș"OS_SpriteOp",256+60,SPR,0 h5ș"OS_SpriteOp",256+52,SPR,"LINE",X1%-W*F,Y%,0,SC r�, |� � ���RGB(R%,G%,B%) �%� C%:C%=(R%<<8)+(G%<<16)+(B%<<24) �(ș "ColourTrans_SetGCOL",C%,,,&100,0 �� � �ݤMIX(C1%,C2%,I1%,I2%) �� C% �:C%=(C1%*I1%+C2%*I2%)/(I1%+I2%)+�(33)-17:�C%>255 C%=255 ��C%<0 C%=0 �=C% � �3ș"OS_SpriteOp",256+60,SPR,0:�:�" at line "�(�) �
00000000 0d 00 0a 2d f4 20 3e 20 41 4c 49 45 4e 47 52 41 |...-. > ALIENGRA| 00000010 53 53 20 20 2a 2a 2a 20 4a 61 6e 20 56 69 62 65 |SS *** Jan Vibe| 00000020 20 6d 61 72 63 68 20 39 37 20 2a 2a 2a 0d 00 14 | march 97 ***...| 00000030 04 0d 00 1e 09 eb 32 31 3a 87 0d 00 28 1d de 20 |......21:...(.. | 00000040 53 50 52 20 26 33 30 30 30 2c 53 43 20 31 36 2c |SPR &3000,SC 16,| 00000050 50 58 25 28 35 30 29 0d 00 32 2a 53 50 52 21 30 |PX%(50)..2*SPR!0| 00000060 3d 26 32 46 46 46 3a 53 50 52 21 34 3d 30 3a 53 |=&2FFF:SPR!4=0:S| 00000070 50 52 21 38 3d 31 36 3a 53 50 52 21 31 32 3d 31 |PR!8=16:SPR!12=1| 00000080 36 0d 00 3c 2b 53 43 21 30 30 3d 32 35 36 3a 53 |6..<+SC!00=256:S| 00000090 43 21 30 34 3d 32 35 36 3a 53 43 21 30 38 3d 32 |C!04=256:SC!08=2| 000000a0 35 36 3a 53 43 21 31 32 3d 32 35 36 0d 00 46 0b |56:SC!12=256..F.| 000000b0 ee 85 e5 8d 64 7e 41 0d 00 50 04 0d 00 5a 31 e3 |....d~A..P...Z1.| 000000c0 59 25 3d 30 b8 31 30 32 34 88 32 3a f2 52 47 42 |Y%=0.1024.2:.RGB| 000000d0 28 30 2c 28 32 35 35 2a 28 31 30 32 34 2d 59 25 |(0,(255*(1024-Y%| 000000e0 29 29 2f 31 30 32 34 2c 32 35 35 29 0d 00 64 13 |))/1024,255)..d.| 000000f0 86 30 2c 59 25 2c 31 32 38 30 2c 59 25 3a ed 0d |.0,Y%,1280,Y%:..| 00000100 00 6e 30 c8 99 22 4f 53 5f 53 70 72 69 74 65 4f |.n0.."OS_SpriteO| 00000110 70 22 2c 32 35 36 2b 31 35 2c 53 50 52 2c 22 43 |p",256+15,SPR,"C| 00000120 4f 4c 22 2c 30 2c 31 32 38 2c 31 36 2c 32 31 0d |OL",0,128,16,21.| 00000130 00 78 25 e3 4e 25 3d 30 b8 34 30 3a 50 58 25 28 |.x%.N%=0.40:PX%(| 00000140 4e 25 29 3d 33 32 2a 4e 25 2b b3 28 33 33 29 2d |N%)=32*N%+.(33)-| 00000150 31 37 3a ed 0d 00 82 32 e3 4e 25 3d 31 b8 35 30 |17:....2.N%=1.50| 00000160 30 3a c8 94 20 50 58 25 28 b3 28 34 31 29 2d 31 |0:.. PX%(.(41)-1| 00000170 29 2c 50 58 25 28 b3 28 34 31 29 2d 31 29 3a ed |),PX%(.(41)-1):.| 00000180 3a 50 25 3d 2d 31 0d 00 8c 25 e3 4e 25 3d 31 30 |:P%=-1...%.N%=10| 00000190 32 34 b8 32 30 30 88 2d 32 30 3a 50 25 2b 3d 31 |24.200.-20:P%+=1| 000001a0 3a 4e 46 3d 4e 25 2f 31 30 32 34 0d 00 96 05 f5 |:NF=N%/1024.....| 000001b0 0d 00 a0 24 52 31 25 3d b3 28 32 35 35 29 3a 47 |...$R1%=.(255):G| 000001c0 31 25 3d b3 28 32 35 35 29 3a 42 31 25 3d b3 28 |1%=.(255):B1%=.(| 000001d0 32 35 35 29 0d 00 aa 15 fd 52 31 25 2b 47 31 25 |255).....R1%+G1%| 000001e0 2b 42 31 25 3c 3d 31 38 39 0d 00 b4 05 f5 0d 00 |+B1%<=189.......| 000001f0 be 24 52 32 25 3d b3 28 32 35 35 29 3a 47 32 25 |.$R2%=.(255):G2%| 00000200 3d b3 28 32 35 35 29 3a 42 32 25 3d b3 28 32 35 |=.(255):B2%=.(25| 00000210 35 29 0d 00 c8 15 fd 52 32 25 2b 47 32 25 2b 42 |5).....R2%+G2%+B| 00000220 32 25 3e 3d 35 31 30 0d 00 d2 24 c8 99 22 4f 53 |2%>=510...$.."OS| 00000230 5f 53 70 72 69 74 65 4f 70 22 2c 32 35 36 2b 36 |_SpriteOp",256+6| 00000240 30 2c 53 50 52 2c 22 43 4f 4c 22 0d 00 dc 1a e3 |0,SPR,"COL".....| 00000250 59 25 3d 30 b8 31 35 88 32 3a e3 58 25 3d 30 b8 |Y%=0.15.2:.X%=0.| 00000260 32 35 35 88 32 0d 00 e6 1d 49 31 25 3d 94 28 31 |255.2....I1%=.(1| 00000270 32 38 2d 58 25 29 3a 49 32 25 3d 31 32 38 2d 49 |28-X%):I2%=128-I| 00000280 31 25 0d 00 f0 35 52 25 3d a4 4d 49 58 28 52 31 |1%...5R%=.MIX(R1| 00000290 25 2c 52 32 25 2c 49 31 25 2c 49 32 25 29 3a 47 |%,R2%,I1%,I2%):G| 000002a0 25 3d a4 4d 49 58 28 47 31 25 2c 47 32 25 2c 49 |%=.MIX(G1%,G2%,I| 000002b0 31 25 2c 49 32 25 29 0d 00 fa 2b 42 25 3d a4 4d |1%,I2%)...+B%=.M| 000002c0 49 58 28 42 31 25 2c 42 32 25 2c 49 31 25 2c 49 |IX(B1%,B2%,I1%,I| 000002d0 32 25 29 3a f2 52 47 42 28 52 25 2c 47 25 2c 42 |2%):.RGB(R%,G%,B| 000002e0 25 29 0d 01 04 0f c8 92 20 58 25 2c 59 25 3a ed |%)...... X%,Y%:.| 000002f0 2c 0d 01 0e 20 c8 99 22 4f 53 5f 53 70 72 69 74 |,... .."OS_Sprit| 00000300 65 4f 70 22 2c 32 35 36 2b 36 30 2c 53 50 52 2c |eOp",256+60,SPR,| 00000310 30 0d 01 18 43 53 3d b3 28 31 29 2a 32 2a af 3a |0...CS=.(1)*2*.:| 00000320 44 3d b3 28 31 29 2a 2e 30 32 2b 30 2e 30 31 35 |D=.(1)*.02+0.015| 00000330 3a 58 25 3d 50 58 25 28 50 25 29 3a 57 3d 4e 46 |:X%=PX%(P%):W=NF| 00000340 2a 4e 25 2f 38 3a 45 3d b3 28 31 29 2a 2e 37 35 |*N%/8:E=.(1)*.75| 00000350 2b 2e 32 35 0d 01 22 0e e3 59 25 3d 30 b8 4e 25 |+.25.."..Y%=0.N%| 00000360 88 32 0d 01 2c 27 53 3d 53 2b 44 3a 46 3d 28 31 |.2..,'S=S+D:F=(1| 00000370 2d 59 25 2f 4e 25 29 3a 58 31 25 3d 31 30 30 2a |-Y%/N%):X1%=100*| 00000380 46 2a 45 2a b5 53 2b 58 25 0d 01 36 12 53 43 21 |F*E*.S+X%..6.SC!| 00000390 30 30 3d 32 35 36 2a 46 2a 4e 46 0d 01 40 24 c8 |00=256*F*NF..@$.| 000003a0 99 22 4f 53 5f 53 70 72 69 74 65 4f 70 22 2c 32 |."OS_SpriteOp",2| 000003b0 35 36 2b 36 30 2c 53 50 52 2c 22 43 4f 4c 22 0d |56+60,SPR,"COL".| 000003c0 01 4a 0e 43 25 3d b3 28 31 36 29 2d 31 0d 01 54 |.J.C%=.(16)-1..T| 000003d0 33 c8 99 22 4f 53 5f 53 70 72 69 74 65 4f 70 22 |3.."OS_SpriteOp"| 000003e0 2c 32 35 36 2b 31 36 2c 53 50 52 2c 22 4c 49 4e |,256+16,SPR,"LIN| 000003f0 45 22 2c 30 2c 30 2c 43 25 2c 32 35 35 2c 43 25 |E",0,0,C%,255,C%| 00000400 0d 01 5e 20 c8 99 22 4f 53 5f 53 70 72 69 74 65 |..^ .."OS_Sprite| 00000410 4f 70 22 2c 32 35 36 2b 36 30 2c 53 50 52 2c 30 |Op",256+60,SPR,0| 00000420 0d 01 68 35 c8 99 22 4f 53 5f 53 70 72 69 74 65 |..h5.."OS_Sprite| 00000430 4f 70 22 2c 32 35 36 2b 35 32 2c 53 50 52 2c 22 |Op",256+52,SPR,"| 00000440 4c 49 4e 45 22 2c 58 31 25 2d 57 2a 46 2c 59 25 |LINE",X1%-W*F,Y%| 00000450 2c 30 2c 53 43 0d 01 72 06 ed 2c 0d 01 7c 05 e0 |,0,SC..r..,..|..| 00000460 0d 01 86 04 0d 01 90 13 dd f2 52 47 42 28 52 25 |..........RGB(R%| 00000470 2c 47 25 2c 42 25 29 0d 01 9a 25 ea 20 43 25 3a |,G%,B%)...%. C%:| 00000480 43 25 3d 28 52 25 3c 3c 38 29 2b 28 47 25 3c 3c |C%=(R%<<8)+(G%<<| 00000490 31 36 29 2b 28 42 25 3c 3c 32 34 29 0d 01 a4 28 |16)+(B%<<24)...(| 000004a0 c8 99 20 22 43 6f 6c 6f 75 72 54 72 61 6e 73 5f |.. "ColourTrans_| 000004b0 53 65 74 47 43 4f 4c 22 2c 43 25 2c 2c 2c 26 31 |SetGCOL",C%,,,&1| 000004c0 30 30 2c 30 0d 01 ae 05 e1 0d 01 b8 04 0d 01 c2 |00,0............| 000004d0 1a dd a4 4d 49 58 28 43 31 25 2c 43 32 25 2c 49 |...MIX(C1%,C2%,I| 000004e0 31 25 2c 49 32 25 29 0d 01 cc 08 ea 20 43 25 0d |1%,I2%)..... C%.| 000004f0 01 d6 3a 43 25 3d 28 43 31 25 2a 49 31 25 2b 43 |..:C%=(C1%*I1%+C| 00000500 32 25 2a 49 32 25 29 2f 28 49 31 25 2b 49 32 25 |2%*I2%)/(I1%+I2%| 00000510 29 2b b3 28 33 33 29 2d 31 37 3a e7 43 25 3e 32 |)+.(33)-17:.C%>2| 00000520 35 35 20 43 25 3d 32 35 35 0d 01 e0 0e e7 43 25 |55 C%=255.....C%| 00000530 3c 30 20 43 25 3d 30 0d 01 ea 07 3d 43 25 0d 01 |<0 C%=0....=C%..| 00000540 f4 04 0d 01 fe 33 c8 99 22 4f 53 5f 53 70 72 69 |.....3.."OS_Spri| 00000550 74 65 4f 70 22 2c 32 35 36 2b 36 30 2c 53 50 52 |teOp",256+60,SPR| 00000560 2c 30 3a f6 3a f1 22 20 61 74 20 6c 69 6e 65 20 |,0:.:." at line | 00000570 22 c3 28 9e 29 0d ff |".(.)..| 00000577
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