Home » Recent acquisitions » Acorn ADFS disks » adfs_AcornUser_199512_2.adf » !Regulars » Regulars/StarInfo/Vibe/BLACKHOLE
Regulars/StarInfo/Vibe/BLACKHOLE
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 » Recent acquisitions » Acorn ADFS disks » adfs_AcornUser_199512_2.adf » !Regulars |
Filename: | Regulars/StarInfo/Vibe/BLACKHOLE |
Read OK: | ✔ |
File size: | 0440 bytes |
Load address: | 0000 |
Exec address: | 0000 |
File contents
10REM > BLACKHOLE 20 30MODE28:OFF 40DIM SPR &80000,ROT 32 50SPR!0=&7FFFF:SPR!4=0:SPR!8=16:SPR!12=16 60 70FORN%=1TO1000:GCOLRND(63):CIRCLE FILL RND(1280),RND(960),RND(100):NEXT 80 90ONERRORGOTO440 100REPEAT 110CASERND(4)OF 120WHEN 1:X1%=0:Y1%=RND(960) 130WHEN 2:X1%=1280:Y1%=RND(960) 140WHEN 3:X1%=RND(1280):Y1%=0 150WHEN 4:X1%=RND(1280):Y1%=960 160ENDCASE 170PROCL(X1%,Y1%,640,480,64,8) 180UNTIL0 190 200DEFPROCL(X1,Y1,X2,Y2,W,D) 210LOCAL L,T1,T2,F,HT,WT,XA,YA,WA 220WT=ABS(X2-X1)+W:HT=ABS(Y2-Y1)+W:WA=W/2 230XA=X1:IF X2<X1 XA=X2 240YA=Y1:IF Y2<Y1 YA=Y2 250SYS"OS_SpriteOp",256+16,SPR,"LS",0,XA-WA,YA-WA,XA-WA+WT,YA-WA+HT 260SYS"OS_SpriteOp",256+29,SPR,"LS" 270SYS"OS_SpriteOp",256+61,SPR,"LS" 280GCOL0TINT0:RECTANGLE FILL 0,0,WT+4,HT+4:GCOL63TINT255 290X1-=XA-WA:Y1-=YA-WA:X2-=XA-WA:Y2-=YA-WA 300L=SQR((X1-X2)^2+(Y1-Y2)^2):IF X1>X2 L=-L 310IF L<>0 THEN 320T1=ASN((Y1-Y2)/L):T2=T1+PI:W=W/2 330MOVEX1+W*SINT1,Y1+W*COST1:MOVEX1+W*SINT2,Y1+W*COST2 340PLOT&75,X2+W*SINT2,Y2+W*COST2 350CIRCLE FILL X1,Y1,W:CIRCLE FILL X2,Y2,W 360ELSE 370CIRCLE FILL X1,Y1,W 380ENDIF 390F=ABS(L):XA=XA-D*(X1-X2)/F:YA=YA+D*(Y2-Y1)/F 400SYS"OS_SpriteOp",256+61,SPR,0:OFF 410SYS"OS_SpriteOp",256+34,SPR,"LS",XA-W,YA-W,8 420ENDPROC 430 440SYS"OS_SpriteOp",256+61,SPR,0 450REPORT:PRINT" at line "+STR$(ERL)
� > BLACKHOLE �28:� (� SPR &80000,ROT 32 2+SPR!0=&7FFFF:SPR!4=0:SPR!8=16:SPR!12=16 < F3�N%=1�1000:�(63):ȏ Ȑ �(1280),�(960),�(100):� P Z��txA d� nȎ�(4)� x� 1:X1%=0:Y1%=�(960) �� 2:X1%=1280:Y1%=�(960) �� 3:X1%=�(1280):Y1%=0 �� 4:X1%=�(1280):Y1%=960 �� ��L(X1%,Y1%,640,480,64,8) ��0 � ���L(X1,Y1,X2,Y2,W,D) �� L,T1,T2,F,HT,WT,XA,YA,WA �&WT=�(X2-X1)+W:HT=�(Y2-Y1)+W:WA=W/2 �XA=X1:� X2<X1 XA=X2 �YA=Y1:� Y2<Y1 YA=Y2 �Cș"OS_SpriteOp",256+16,SPR,"LS",0,XA-WA,YA-WA,XA-WA+WT,YA-WA+HT #ș"OS_SpriteOp",256+29,SPR,"LS" #ș"OS_SpriteOp",256+61,SPR,"LS" &�0Ȝ0:ȓ Ȑ 0,0,WT+4,HT+4:�63Ȝ255 "+X1-=XA-WA:Y1-=YA-WA:X2-=XA-WA:Y2-=YA-WA ,)L=�((X1-X2)^2+(Y1-Y2)^2):� X1>X2 L=-L 6� L<>0 � @!T1=�((Y1-Y2)/L):T2=T1+�:W=W/2 J)�X1+W*�T1,Y1+W*�T1:�X1+W*�T2,Y1+W*�T2 T�&75,X2+W*�T2,Y2+W*�T2 ^ȏ Ȑ X1,Y1,W:ȏ Ȑ X2,Y2,W h� rȏ Ȑ X1,Y1,W |� �.F=�(L):XA=XA-D*(X1-X2)/F:YA=YA+D*(Y2-Y1)/F �"ș"OS_SpriteOp",256+61,SPR,0:� �/ș"OS_SpriteOp",256+34,SPR,"LS",XA-W,YA-W,8 �� � � ș"OS_SpriteOp",256+61,SPR,0 ��:�" at line "+�(�) �
00000000 0d 00 0a 11 f4 20 3e 20 42 4c 41 43 4b 48 4f 4c |..... > BLACKHOL| 00000010 45 0d 00 14 04 0d 00 1e 09 eb 32 38 3a 87 0d 00 |E.........28:...| 00000020 28 17 de 20 53 50 52 20 26 38 30 30 30 30 2c 52 |(.. SPR &80000,R| 00000030 4f 54 20 33 32 0d 00 32 2b 53 50 52 21 30 3d 26 |OT 32..2+SPR!0=&| 00000040 37 46 46 46 46 3a 53 50 52 21 34 3d 30 3a 53 50 |7FFFF:SPR!4=0:SP| 00000050 52 21 38 3d 31 36 3a 53 50 52 21 31 32 3d 31 36 |R!8=16:SPR!12=16| 00000060 0d 00 3c 04 0d 00 46 33 e3 4e 25 3d 31 b8 31 30 |..<...F3.N%=1.10| 00000070 30 30 3a e6 b3 28 36 33 29 3a c8 8f 20 c8 90 20 |00:..(63):.. .. | 00000080 b3 28 31 32 38 30 29 2c b3 28 39 36 30 29 2c b3 |.(1280),.(960),.| 00000090 28 31 30 30 29 3a ed 0d 00 50 04 0d 00 5a 0b ee |(100):...P...Z..| 000000a0 85 e5 8d 74 78 41 0d 00 64 05 f5 0d 00 6e 0b c8 |...txA..d....n..| 000000b0 8e b3 28 34 29 ca 0d 00 78 18 c9 20 31 3a 58 31 |..(4)...x.. 1:X1| 000000c0 25 3d 30 3a 59 31 25 3d b3 28 39 36 30 29 0d 00 |%=0:Y1%=.(960)..| 000000d0 82 1b c9 20 32 3a 58 31 25 3d 31 32 38 30 3a 59 |... 2:X1%=1280:Y| 000000e0 31 25 3d b3 28 39 36 30 29 0d 00 8c 19 c9 20 33 |1%=.(960)..... 3| 000000f0 3a 58 31 25 3d b3 28 31 32 38 30 29 3a 59 31 25 |:X1%=.(1280):Y1%| 00000100 3d 30 0d 00 96 1b c9 20 34 3a 58 31 25 3d b3 28 |=0..... 4:X1%=.(| 00000110 31 32 38 30 29 3a 59 31 25 3d 39 36 30 0d 00 a0 |1280):Y1%=960...| 00000120 05 cb 0d 00 aa 1c f2 4c 28 58 31 25 2c 59 31 25 |.......L(X1%,Y1%| 00000130 2c 36 34 30 2c 34 38 30 2c 36 34 2c 38 29 0d 00 |,640,480,64,8)..| 00000140 b4 06 fd 30 0d 00 be 04 0d 00 c8 18 dd f2 4c 28 |...0..........L(| 00000150 58 31 2c 59 31 2c 58 32 2c 59 32 2c 57 2c 44 29 |X1,Y1,X2,Y2,W,D)| 00000160 0d 00 d2 1e ea 20 4c 2c 54 31 2c 54 32 2c 46 2c |..... L,T1,T2,F,| 00000170 48 54 2c 57 54 2c 58 41 2c 59 41 2c 57 41 0d 00 |HT,WT,XA,YA,WA..| 00000180 dc 26 57 54 3d 94 28 58 32 2d 58 31 29 2b 57 3a |.&WT=.(X2-X1)+W:| 00000190 48 54 3d 94 28 59 32 2d 59 31 29 2b 57 3a 57 41 |HT=.(Y2-Y1)+W:WA| 000001a0 3d 57 2f 32 0d 00 e6 17 58 41 3d 58 31 3a e7 20 |=W/2....XA=X1:. | 000001b0 58 32 3c 58 31 20 58 41 3d 58 32 0d 00 f0 17 59 |X2<X1 XA=X2....Y| 000001c0 41 3d 59 31 3a e7 20 59 32 3c 59 31 20 59 41 3d |A=Y1:. Y2<Y1 YA=| 000001d0 59 32 0d 00 fa 43 c8 99 22 4f 53 5f 53 70 72 69 |Y2...C.."OS_Spri| 000001e0 74 65 4f 70 22 2c 32 35 36 2b 31 36 2c 53 50 52 |teOp",256+16,SPR| 000001f0 2c 22 4c 53 22 2c 30 2c 58 41 2d 57 41 2c 59 41 |,"LS",0,XA-WA,YA| 00000200 2d 57 41 2c 58 41 2d 57 41 2b 57 54 2c 59 41 2d |-WA,XA-WA+WT,YA-| 00000210 57 41 2b 48 54 0d 01 04 23 c8 99 22 4f 53 5f 53 |WA+HT...#.."OS_S| 00000220 70 72 69 74 65 4f 70 22 2c 32 35 36 2b 32 39 2c |priteOp",256+29,| 00000230 53 50 52 2c 22 4c 53 22 0d 01 0e 23 c8 99 22 4f |SPR,"LS"...#.."O| 00000240 53 5f 53 70 72 69 74 65 4f 70 22 2c 32 35 36 2b |S_SpriteOp",256+| 00000250 36 31 2c 53 50 52 2c 22 4c 53 22 0d 01 18 26 e6 |61,SPR,"LS"...&.| 00000260 30 c8 9c 30 3a c8 93 20 c8 90 20 30 2c 30 2c 57 |0..0:.. .. 0,0,W| 00000270 54 2b 34 2c 48 54 2b 34 3a e6 36 33 c8 9c 32 35 |T+4,HT+4:.63..25| 00000280 35 0d 01 22 2b 58 31 2d 3d 58 41 2d 57 41 3a 59 |5.."+X1-=XA-WA:Y| 00000290 31 2d 3d 59 41 2d 57 41 3a 58 32 2d 3d 58 41 2d |1-=YA-WA:X2-=XA-| 000002a0 57 41 3a 59 32 2d 3d 59 41 2d 57 41 0d 01 2c 29 |WA:Y2-=YA-WA..,)| 000002b0 4c 3d b6 28 28 58 31 2d 58 32 29 5e 32 2b 28 59 |L=.((X1-X2)^2+(Y| 000002c0 31 2d 59 32 29 5e 32 29 3a e7 20 58 31 3e 58 32 |1-Y2)^2):. X1>X2| 000002d0 20 4c 3d 2d 4c 0d 01 36 0c e7 20 4c 3c 3e 30 20 | L=-L..6.. L<>0 | 000002e0 8c 0d 01 40 21 54 31 3d 98 28 28 59 31 2d 59 32 |...@!T1=.((Y1-Y2| 000002f0 29 2f 4c 29 3a 54 32 3d 54 31 2b af 3a 57 3d 57 |)/L):T2=T1+.:W=W| 00000300 2f 32 0d 01 4a 29 ec 58 31 2b 57 2a b5 54 31 2c |/2..J).X1+W*.T1,| 00000310 59 31 2b 57 2a 9b 54 31 3a ec 58 31 2b 57 2a b5 |Y1+W*.T1:.X1+W*.| 00000320 54 32 2c 59 31 2b 57 2a 9b 54 32 0d 01 54 1a f0 |T2,Y1+W*.T2..T..| 00000330 26 37 35 2c 58 32 2b 57 2a b5 54 32 2c 59 32 2b |&75,X2+W*.T2,Y2+| 00000340 57 2a 9b 54 32 0d 01 5e 1f c8 8f 20 c8 90 20 58 |W*.T2..^... .. X| 00000350 31 2c 59 31 2c 57 3a c8 8f 20 c8 90 20 58 32 2c |1,Y1,W:.. .. X2,| 00000360 59 32 2c 57 0d 01 68 05 cc 0d 01 72 11 c8 8f 20 |Y2,W..h....r... | 00000370 c8 90 20 58 31 2c 59 31 2c 57 0d 01 7c 05 cd 0d |.. X1,Y1,W..|...| 00000380 01 86 2e 46 3d 94 28 4c 29 3a 58 41 3d 58 41 2d |...F=.(L):XA=XA-| 00000390 44 2a 28 58 31 2d 58 32 29 2f 46 3a 59 41 3d 59 |D*(X1-X2)/F:YA=Y| 000003a0 41 2b 44 2a 28 59 32 2d 59 31 29 2f 46 0d 01 90 |A+D*(Y2-Y1)/F...| 000003b0 22 c8 99 22 4f 53 5f 53 70 72 69 74 65 4f 70 22 |".."OS_SpriteOp"| 000003c0 2c 32 35 36 2b 36 31 2c 53 50 52 2c 30 3a 87 0d |,256+61,SPR,0:..| 000003d0 01 9a 2f c8 99 22 4f 53 5f 53 70 72 69 74 65 4f |../.."OS_SpriteO| 000003e0 70 22 2c 32 35 36 2b 33 34 2c 53 50 52 2c 22 4c |p",256+34,SPR,"L| 000003f0 53 22 2c 58 41 2d 57 2c 59 41 2d 57 2c 38 0d 01 |S",XA-W,YA-W,8..| 00000400 a4 05 e1 0d 01 ae 04 0d 01 b8 20 c8 99 22 4f 53 |.......... .."OS| 00000410 5f 53 70 72 69 74 65 4f 70 22 2c 32 35 36 2b 36 |_SpriteOp",256+6| 00000420 31 2c 53 50 52 2c 30 0d 01 c2 17 f6 3a f1 22 20 |1,SPR,0.....:." | 00000430 61 74 20 6c 69 6e 65 20 22 2b c3 28 9e 29 0d ff |at line "+.(.)..| 00000440