Home » Archimedes archive » Acorn User » AU 1993-05 (2).adf » !StarInfo/Files/Skater

!StarInfo/Files/Skater

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 1993-05 (2).adf
Filename: !StarInfo/Files/Skater
Read OK:
File size: 0468 bytes
Load address: FFFFFB44
Exec address: 78BD121B
Duplicates

There is 1 duplicate copy of this file in the archive:

File contents
   10REM     >Skater (Info14)
   20REM By  Mark Hobson
   30REM For 32-bit machines
   40REM (c) BAU May 1993
   50:
   60MODE0:OFF
   70h=10
   80size=200
   90E=.7
  100g=2
  110D=size/h
  120DIM v(h),w(h),x(h),y(h)
  130bank=1
  140MOUSE RECTANGLE -100,300+size,1479,1023
  150REPEAT
  160 MOUSE x,y,B
  170 x1=x:y1=y
  180 IF y1>300+size MOUSE TO x,y-16:IF y<300 MOUSE x,300
  190 FOR i=1 TO h
  200  dx=x(i)-x1+v(i)*E
  210  dy=y(i)-y1+w(i)*E
  220  d=D/SQR(dx*dx+dy*dy+.4)
  230  x1+=dx*d:x(i)=x1
  240  y1+=dy*d:y(i)=y1
  250  d=d/2-.5
  260  v(i)+=dx*d
  270  w(i)+=dy*d-g
  280  v(i-1)-=dx*d
  290  w(i-1)-=dy*d+g
  300 NEXT
  310 WAIT
  320 bank=3-bank
  330 SYS 6,113,bank
  340 SYS 6,112,3-bank
  350 CLS
  360 MOVE x,y
  370 FOR i=1 TO h
  380  DRAW x(i),y(i)
  390 NEXT
  400 CIRCLE x,y+40,40
  410 MOVE x,y
  420 DRAW x(6)+70,y(6)
  430 DRAW x+40,y(8)
  440 MOVE x,y
  450 DRAW x(6)-70,y(6)
  460 DRAW x-40,y(8)
  470 bx1=x(6)-30
  480 by1=y(h)-(y-y(h))-60
  490 bx2=x(6)+30
  500 by2=y(h)-(y-y(h))-60
  510 MOVE x(h),y(h)
  520 DRAW x(2)-50,y(h)-(y(6)-y(h))-30
  530 DRAW bx1,by1
  540 MOVE x(h),y(h)
  550 DRAW x(2)+50,y(h)-(y(6)-y(h))-30
  560 DRAW bx2,by2
  570 IF x<x(h) bx1=x:bx2=x(h) ELSE bx1=x(h):bx2=x
  580 MOVE bx1-45,by1
  590 DRAW bx2+45,by2
  600 CIRCLE bx1-20,by1-16,16
  610 CIRCLE bx2+20,by1-16,16
  620 LINE 0,0,1279,0
  630 RECTANGLE 600,0,80,150
  640UNTIL FALSE

�     >Skater (Info14)
� By  Mark Hobson
� For 32-bit machines
(� (c) BAU May 1993
2:
<�0:�
Fh=10
Psize=200
ZE=.7
dg=2
nD=size/h
x� v(h),w(h),x(h),y(h)
�
bank=1
�!ȗ ȓ -100,300+size,1479,1023
��
�
 ȗ x,y,B
� x1=x:y1=y
�/ � y1>300+size ȗ � x,y-16:� y<300 ȗ x,300
� � i=1 � h
�  dx=x(i)-x1+v(i)*E
�  dy=y(i)-y1+w(i)*E
�  d=D/�(dx*dx+dy*dy+.4)
�  x1+=dx*d:x(i)=x1
�  y1+=dy*d:y(i)=y1
�  d=d/2-.5
  v(i)+=dx*d
  w(i)+=dy*d-g
  v(i-1)-=dx*d
"  w(i-1)-=dy*d+g
, �
6 Ȗ
@ bank=3-bank
J ș 6,113,bank
T ș 6,112,3-bank
^ �
h
 � x,y
r � i=1 � h
|  � x(i),y(i)
� �
� ȏ x,y+40,40
�
 � x,y
� � x(6)+70,y(6)
� � x+40,y(8)
�
 � x,y
� � x(6)-70,y(6)
� � x-40,y(8)
� bx1=x(6)-30
� by1=y(h)-(y-y(h))-60
� bx2=x(6)+30
� by2=y(h)-(y-y(h))-60
� � x(h),y(h)
" � x(2)-50,y(h)-(y(6)-y(h))-30
 � bx1,by1
 � x(h),y(h)
&" � x(2)+50,y(h)-(y(6)-y(h))-30
0 � bx2,by2
:- � x<x(h) bx1=x:bx2=x(h) � bx1=x(h):bx2=x
D � bx1-45,by1
N � bx2+45,by2
X ȏ bx1-20,by1-16,16
b ȏ bx2+20,by1-16,16
l � 0,0,1279,0
v ȓ 600,0,80,150
�� �
�
00000000  0d 00 0a 1a f4 20 20 20  20 20 3e 53 6b 61 74 65  |.....     >Skate|
00000010  72 20 28 49 6e 66 6f 31  34 29 0d 00 14 15 f4 20  |r (Info14)..... |
00000020  42 79 20 20 4d 61 72 6b  20 48 6f 62 73 6f 6e 0d  |By  Mark Hobson.|
00000030  00 1e 19 f4 20 46 6f 72  20 33 32 2d 62 69 74 20  |.... For 32-bit |
00000040  6d 61 63 68 69 6e 65 73  0d 00 28 16 f4 20 28 63  |machines..(.. (c|
00000050  29 20 42 41 55 20 4d 61  79 20 31 39 39 33 0d 00  |) BAU May 1993..|
00000060  32 05 3a 0d 00 3c 08 eb  30 3a 87 0d 00 46 08 68  |2.:..<..0:...F.h|
00000070  3d 31 30 0d 00 50 0c 73  69 7a 65 3d 32 30 30 0d  |=10..P.size=200.|
00000080  00 5a 08 45 3d 2e 37 0d  00 64 07 67 3d 32 0d 00  |.Z.E=.7..d.g=2..|
00000090  6e 0c 44 3d 73 69 7a 65  2f 68 0d 00 78 19 de 20  |n.D=size/h..x.. |
000000a0  76 28 68 29 2c 77 28 68  29 2c 78 28 68 29 2c 79  |v(h),w(h),x(h),y|
000000b0  28 68 29 0d 00 82 0a 62  61 6e 6b 3d 31 0d 00 8c  |(h)....bank=1...|
000000c0  21 c8 97 20 c8 93 20 2d  31 30 30 2c 33 30 30 2b  |!.. .. -100,300+|
000000d0  73 69 7a 65 2c 31 34 37  39 2c 31 30 32 33 0d 00  |size,1479,1023..|
000000e0  96 05 f5 0d 00 a0 0d 20  c8 97 20 78 2c 79 2c 42  |....... .. x,y,B|
000000f0  0d 00 aa 0e 20 78 31 3d  78 3a 79 31 3d 79 0d 00  |.... x1=x:y1=y..|
00000100  b4 2f 20 e7 20 79 31 3e  33 30 30 2b 73 69 7a 65  |./ . y1>300+size|
00000110  20 c8 97 20 b8 20 78 2c  79 2d 31 36 3a e7 20 79  | .. . x,y-16:. y|
00000120  3c 33 30 30 20 c8 97 20  78 2c 33 30 30 0d 00 be  |<300 .. x,300...|
00000130  0e 20 e3 20 69 3d 31 20  b8 20 68 0d 00 c8 17 20  |. . i=1 . h.... |
00000140  20 64 78 3d 78 28 69 29  2d 78 31 2b 76 28 69 29  | dx=x(i)-x1+v(i)|
00000150  2a 45 0d 00 d2 17 20 20  64 79 3d 79 28 69 29 2d  |*E....  dy=y(i)-|
00000160  79 31 2b 77 28 69 29 2a  45 0d 00 dc 1b 20 20 64  |y1+w(i)*E....  d|
00000170  3d 44 2f b6 28 64 78 2a  64 78 2b 64 79 2a 64 79  |=D/.(dx*dx+dy*dy|
00000180  2b 2e 34 29 0d 00 e6 16  20 20 78 31 2b 3d 64 78  |+.4)....  x1+=dx|
00000190  2a 64 3a 78 28 69 29 3d  78 31 0d 00 f0 16 20 20  |*d:x(i)=x1....  |
000001a0  79 31 2b 3d 64 79 2a 64  3a 79 28 69 29 3d 79 31  |y1+=dy*d:y(i)=y1|
000001b0  0d 00 fa 0e 20 20 64 3d  64 2f 32 2d 2e 35 0d 01  |....  d=d/2-.5..|
000001c0  04 10 20 20 76 28 69 29  2b 3d 64 78 2a 64 0d 01  |..  v(i)+=dx*d..|
000001d0  0e 12 20 20 77 28 69 29  2b 3d 64 79 2a 64 2d 67  |..  w(i)+=dy*d-g|
000001e0  0d 01 18 12 20 20 76 28  69 2d 31 29 2d 3d 64 78  |....  v(i-1)-=dx|
000001f0  2a 64 0d 01 22 14 20 20  77 28 69 2d 31 29 2d 3d  |*d..".  w(i-1)-=|
00000200  64 79 2a 64 2b 67 0d 01  2c 06 20 ed 0d 01 36 07  |dy*d+g..,. ...6.|
00000210  20 c8 96 0d 01 40 10 20  62 61 6e 6b 3d 33 2d 62  | ....@. bank=3-b|
00000220  61 6e 6b 0d 01 4a 12 20  c8 99 20 36 2c 31 31 33  |ank..J. .. 6,113|
00000230  2c 62 61 6e 6b 0d 01 54  14 20 c8 99 20 36 2c 31  |,bank..T. .. 6,1|
00000240  31 32 2c 33 2d 62 61 6e  6b 0d 01 5e 06 20 db 0d  |12,3-bank..^. ..|
00000250  01 68 0a 20 ec 20 78 2c  79 0d 01 72 0e 20 e3 20  |.h. . x,y..r. . |
00000260  69 3d 31 20 b8 20 68 0d  01 7c 11 20 20 df 20 78  |i=1 . h..|.  . x|
00000270  28 69 29 2c 79 28 69 29  0d 01 86 06 20 ed 0d 01  |(i),y(i).... ...|
00000280  90 11 20 c8 8f 20 78 2c  79 2b 34 30 2c 34 30 0d  |.. .. x,y+40,40.|
00000290  01 9a 0a 20 ec 20 78 2c  79 0d 01 a4 13 20 df 20  |... . x,y.... . |
000002a0  78 28 36 29 2b 37 30 2c  79 28 36 29 0d 01 ae 10  |x(6)+70,y(6)....|
000002b0  20 df 20 78 2b 34 30 2c  79 28 38 29 0d 01 b8 0a  | . x+40,y(8)....|
000002c0  20 ec 20 78 2c 79 0d 01  c2 13 20 df 20 78 28 36  | . x,y.... . x(6|
000002d0  29 2d 37 30 2c 79 28 36  29 0d 01 cc 10 20 df 20  |)-70,y(6).... . |
000002e0  78 2d 34 30 2c 79 28 38  29 0d 01 d6 10 20 62 78  |x-40,y(8).... bx|
000002f0  31 3d 78 28 36 29 2d 33  30 0d 01 e0 19 20 62 79  |1=x(6)-30.... by|
00000300  31 3d 79 28 68 29 2d 28  79 2d 79 28 68 29 29 2d  |1=y(h)-(y-y(h))-|
00000310  36 30 0d 01 ea 10 20 62  78 32 3d 78 28 36 29 2b  |60.... bx2=x(6)+|
00000320  33 30 0d 01 f4 19 20 62  79 32 3d 79 28 68 29 2d  |30.... by2=y(h)-|
00000330  28 79 2d 79 28 68 29 29  2d 36 30 0d 01 fe 10 20  |(y-y(h))-60.... |
00000340  ec 20 78 28 68 29 2c 79  28 68 29 0d 02 08 22 20  |. x(h),y(h)..." |
00000350  df 20 78 28 32 29 2d 35  30 2c 79 28 68 29 2d 28  |. x(2)-50,y(h)-(|
00000360  79 28 36 29 2d 79 28 68  29 29 2d 33 30 0d 02 12  |y(6)-y(h))-30...|
00000370  0e 20 df 20 62 78 31 2c  62 79 31 0d 02 1c 10 20  |. . bx1,by1.... |
00000380  ec 20 78 28 68 29 2c 79  28 68 29 0d 02 26 22 20  |. x(h),y(h)..&" |
00000390  df 20 78 28 32 29 2b 35  30 2c 79 28 68 29 2d 28  |. x(2)+50,y(h)-(|
000003a0  79 28 36 29 2d 79 28 68  29 29 2d 33 30 0d 02 30  |y(6)-y(h))-30..0|
000003b0  0e 20 df 20 62 78 32 2c  62 79 32 0d 02 3a 2d 20  |. . bx2,by2..:- |
000003c0  e7 20 78 3c 78 28 68 29  20 62 78 31 3d 78 3a 62  |. x<x(h) bx1=x:b|
000003d0  78 32 3d 78 28 68 29 20  8b 20 62 78 31 3d 78 28  |x2=x(h) . bx1=x(|
000003e0  68 29 3a 62 78 32 3d 78  0d 02 44 11 20 ec 20 62  |h):bx2=x..D. . b|
000003f0  78 31 2d 34 35 2c 62 79  31 0d 02 4e 11 20 df 20  |x1-45,by1..N. . |
00000400  62 78 32 2b 34 35 2c 62  79 32 0d 02 58 18 20 c8  |bx2+45,by2..X. .|
00000410  8f 20 62 78 31 2d 32 30  2c 62 79 31 2d 31 36 2c  |. bx1-20,by1-16,|
00000420  31 36 0d 02 62 18 20 c8  8f 20 62 78 32 2b 32 30  |16..b. .. bx2+20|
00000430  2c 62 79 31 2d 31 36 2c  31 36 0d 02 6c 11 20 86  |,by1-16,16..l. .|
00000440  20 30 2c 30 2c 31 32 37  39 2c 30 0d 02 76 14 20  | 0,0,1279,0..v. |
00000450  c8 93 20 36 30 30 2c 30  2c 38 30 2c 31 35 30 0d  |.. 600,0,80,150.|
00000460  02 80 07 fd 20 a3 0d ff                           |.... ...|
00000468