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Shatter

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.

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Filename: Shatter
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File contents
   10REM     >Shatter
   20REM By  Jan Vibe
   30REM For 32-bit machines
   40REM (c) BAU November 1993
   50:
   60MODE 140
   70MODE 12
   80OFF
   90DIM vert_x%(50,15),vert_y%(50,15),nvert%(50),ax%(15),ay%(15)
  100s1%=1
  110s2%=2
  120ON ERROR PROCerr:END
  130REPEAT
  140 v%=RND(6)+2
  150 nvert%(1)=v%
  160 d=360/v%
  170 FOR n%=1 TO v%
  180  t=RAD(360-n%*d)
  190  vert_x%(1,n%)=640+500*SIN(t)
  200  vert_y%(1,n%)=512+500*COS(t)
  210 NEXT
  220 FOR i%=1 TO 49
  230  IF i%=1 THEN
  240   r%=1
  250  ELSE
  260   max%=0
  270   FOR n%=1 TO i%
  280    x1%=0
  290    y1%=0
  300    FOR m%=1 TO nvert%(n%)
  310     x1%+=vert_x%(n%,m%)
  320     y1%+=vert_y%(n%,m%)
  330    NEXT
  340    x1%=x1%/nvert%(n%)
  350    y1%=y1%/nvert%(n%)
  360    a%=0
  370    FOR m%=1 TO nvert%(n%)
  380     m1%=m% MOD nvert%(n%)+1
  390     x2%=vert_x%(n%,m%)
  400     y2%=vert_y%(n%,m%)
  410     x3%=vert_x%(n%,m1%)
  420     y3%=vert_y%(n%,m1%)
  430     a%+=(x1%*y2%+y1%*x3%+y3%*x2%-y2%*x3%-y1%*x2%-x1%*y3%)/2
  440    NEXT
  450    IF a%>max% max%=a%:r%=n%
  460   NEXT
  470  ENDIF
  480  p%=nvert%(r%)
  490  FOR n%=1 TO p%
  500   ax%(n%)=vert_x%(r%,n%)
  510   ay%(n%)=vert_y%(r%,n%)
  520  NEXT
  530  l%=0
  540  FOR n%=1 TO p%
  550   n1%=n% MOD p%+1
  560   g%=(ax%(n%)-ax%(n1%))^2+(ay%(n%)-ay%(n1%))^2
  570   IF g%>l% l%=g%:d11%=n%
  580  NEXT
  590  REPEAT
  600   d21%=RND(p%)
  610  UNTIL d11%<>d21%
  620  IF d11%>d21% SWAP d11%,d21%
  630  d12%=d11% MOD p%+1
  640  d22%=d21% MOD p%+1
  650  f1%=RND(2)
  660  f2%=3-f1%
  670  px1%=(f1%*ax%(d11%)+f2%*ax%(d12%))/3
  680  py1%=(f1%*ay%(d11%)+f2%*ay%(d12%))/3
  690  px2%=(f1%*ax%(d21%)+f2%*ax%(d22%))/3
  700  py2%=(f1%*ay%(d21%)+f2%*ay%(d22%))/3
  710  k%=0
  720  FOR n%=1 TO p%
  730   k%+=1
  740   vert_x%(r%,k%)=ax%(n%)
  750   vert_y%(r%,k%)=ay%(n%)
  760   IF n%=d11% THEN
  770    k%+=1
  780    vert_x%(r%,k%)=px1%
  790    vert_y%(r%,k%)=py1%
  800    k%+=1
  810    vert_x%(r%,k%)=px2%
  820    vert_y%(r%,k%)=py2%
  830    n%=d21%
  840   ENDIF
  850  NEXT
  860  nvert%(r%)=k%
  870  q%=i%+1
  880  k%=1
  890  vert_x%(q%,k%)=px1%
  900  vert_y%(q%,k%)=py1%
  910  FOR n%=d11%+1 TO d21%
  920   k%+=1
  930   vert_x%(q%,k%)=ax%(n%)
  940   vert_y%(q%,k%)=ay%(n%)
  950  NEXT
  960  k%+=1
  970  vert_x%(q%,k%)=px2%
  980  vert_y%(q%,k%)=py2%
  990  nvert%(q%)=k%
 1000  SYS 6,112,s1%
 1010  SYS 6,113,s2%
 1020  WAIT
 1030  CLS
 1040  SWAP s1%,s2%
 1050  FOR n%=1 TO i%+1
 1060   PROCd(n%)
 1070  NEXT
 1080 NEXT
 1090 WAIT
 1100 SYS 6,112,s1%
 1110 SYS 6,113,s2%
 1120 CLS
 1130 SWAP s1%,s2%
 1140 k=INKEY(500)
 1150UNTIL FALSE
 1160:
 1170DEF PROCd(p%)
 1180LOCAL n%,cx%,cy%,x%,y%
 1190FOR n%=1 TO nvert%(p%)
 1200 cx%+=vert_x%(p%,n%)
 1210 cy%+=vert_y%(p%,n%)
 1220NEXT
 1230cx%=cx%/nvert%(p%)
 1240cy%=cy%/nvert%(p%)
 1250x%=(vert_x%(p%,nvert%(p%))-cx%)*0.7+cx%
 1260y%=(vert_y%(p%,nvert%(p%))-cy%)*0.7+cy%
 1270MOVE x%,y%
 1280FOR n%=1 TO nvert%(p%)
 1290 MOVE cx%,cy%
 1300 x%=(vert_x%(p%,n%)-cx%)*0.7+cx%
 1310 y%=(vert_y%(p%,n%)-cy%)*0.7+cy%
 1320 PLOT 85,x%,y%
 1330NEXT
 1340ENDPROC
 1350:
 1360DEF PROCerr
 1370SYS 6,112,s1%
 1380PRINTREPORT$" at line "STR$ERL
 1390ON
 1400ENDPROC

�     >Shatter
� By  Jan Vibe
� For 32-bit machines
(� (c) BAU November 1993
2:
<	� 140
F� 12
P�
Z>� vert_x%(50,15),vert_y%(50,15),nvert%(50),ax%(15),ay%(15)
d	s1%=1
n	s2%=2
x� � �err:�
��
� v%=�(6)+2
� nvert%(1)=v%
�
 d=360/v%
� � n%=1 � v%
�  t=�(360-n%*d)
�   vert_x%(1,n%)=640+500*�(t)
�   vert_y%(1,n%)=512+500*�(t)
� �
� � i%=1 � 49
�  � i%=1 �
�   r%=1
�  �

   max%=0
   � n%=1 � i%

    x1%=0
"
    y1%=0
,    � m%=1 � nvert%(n%)
6     x1%+=vert_x%(n%,m%)
@     y1%+=vert_y%(n%,m%)
J	    �
T    x1%=x1%/nvert%(n%)
^    y1%=y1%/nvert%(n%)
h    a%=0
r    � m%=1 � nvert%(n%)
|     m1%=m% � nvert%(n%)+1
�     x2%=vert_x%(n%,m%)
�     y2%=vert_y%(n%,m%)
�     x3%=vert_x%(n%,m1%)
�     y3%=vert_y%(n%,m1%)
�@     a%+=(x1%*y2%+y1%*x3%+y3%*x2%-y2%*x3%-y1%*x2%-x1%*y3%)/2
�	    �
�    � a%>max% max%=a%:r%=n%
�   �
�  �
�  p%=nvert%(r%)
�  � n%=1 � p%
�   ax%(n%)=vert_x%(r%,n%)
�   ay%(n%)=vert_y%(r%,n%)
  �

  l%=0
  � n%=1 � p%
&   n1%=n% � p%+1
03   g%=(ax%(n%)-ax%(n1%))^2+(ay%(n%)-ay%(n1%))^2
:   � g%>l% l%=g%:d11%=n%
D  �
N  �
X   d21%=�(p%)
b  � d11%<>d21%
l  � d11%>d21% Ȕ d11%,d21%
v  d12%=d11% � p%+1
�  d22%=d21% � p%+1
�  f1%=�(2)
�  f2%=3-f1%
�*  px1%=(f1%*ax%(d11%)+f2%*ax%(d12%))/3
�*  py1%=(f1%*ay%(d11%)+f2%*ay%(d12%))/3
�*  px2%=(f1%*ax%(d21%)+f2%*ax%(d22%))/3
�*  py2%=(f1%*ay%(d21%)+f2%*ay%(d22%))/3
�
  k%=0
�  � n%=1 � p%
�   k%+=1
�   vert_x%(r%,k%)=ax%(n%)
�   vert_y%(r%,k%)=ay%(n%)
�   � n%=d11% �

    k%+=1
    vert_x%(r%,k%)=px1%
    vert_y%(r%,k%)=py1%
 
    k%+=1
*    vert_x%(r%,k%)=px2%
4    vert_y%(r%,k%)=py2%
>    n%=d21%
H   �
R  �
\  nvert%(r%)=k%
f
  q%=i%+1
p
  k%=1
z  vert_x%(q%,k%)=px1%
�  vert_y%(q%,k%)=py1%
�  � n%=d11%+1 � d21%
�   k%+=1
�   vert_x%(q%,k%)=ax%(n%)
�   vert_y%(q%,k%)=ay%(n%)
�  �
�  k%+=1
�  vert_x%(q%,k%)=px2%
�  vert_y%(q%,k%)=py2%
�  nvert%(q%)=k%
�  ș 6,112,s1%
�  ș 6,113,s2%
�  Ȗ
  �
  Ȕ s1%,s2%
  � n%=1 � i%+1
$
   �d(n%)
.  �
8 �
B Ȗ
L ș 6,112,s1%
V ș 6,113,s2%
` �
j Ȕ s1%,s2%
t
 k=�(500)
~� �
�:
�� �d(p%)
�� n%,cx%,cy%,x%,y%
�� n%=1 � nvert%(p%)
� cx%+=vert_x%(p%,n%)
� cy%+=vert_y%(p%,n%)
��
�cx%=cx%/nvert%(p%)
�cy%=cy%/nvert%(p%)
�+x%=(vert_x%(p%,nvert%(p%))-cx%)*0.7+cx%
�+y%=(vert_y%(p%,nvert%(p%))-cy%)*0.7+cy%
�� x%,y%
� n%=1 � nvert%(p%)

 � cx%,cy%
$ x%=(vert_x%(p%,n%)-cx%)*0.7+cx%
$ y%=(vert_y%(p%,n%)-cy%)*0.7+cy%
( � 85,x%,y%
2�
<�
F:
P
� �err
Zș 6,112,s1%
d�$" at line "Þ
n�
x�
�
00000000  0d 00 0a 12 f4 20 20 20  20 20 3e 53 68 61 74 74  |.....     >Shatt|
00000010  65 72 0d 00 14 12 f4 20  42 79 20 20 4a 61 6e 20  |er..... By  Jan |
00000020  56 69 62 65 0d 00 1e 19  f4 20 46 6f 72 20 33 32  |Vibe..... For 32|
00000030  2d 62 69 74 20 6d 61 63  68 69 6e 65 73 0d 00 28  |-bit machines..(|
00000040  1b f4 20 28 63 29 20 42  41 55 20 4e 6f 76 65 6d  |.. (c) BAU Novem|
00000050  62 65 72 20 31 39 39 33  0d 00 32 05 3a 0d 00 3c  |ber 1993..2.:..<|
00000060  09 eb 20 31 34 30 0d 00  46 08 eb 20 31 32 0d 00  |.. 140..F.. 12..|
00000070  50 05 87 0d 00 5a 3e de  20 76 65 72 74 5f 78 25  |P....Z>. vert_x%|
00000080  28 35 30 2c 31 35 29 2c  76 65 72 74 5f 79 25 28  |(50,15),vert_y%(|
00000090  35 30 2c 31 35 29 2c 6e  76 65 72 74 25 28 35 30  |50,15),nvert%(50|
000000a0  29 2c 61 78 25 28 31 35  29 2c 61 79 25 28 31 35  |),ax%(15),ay%(15|
000000b0  29 0d 00 64 09 73 31 25  3d 31 0d 00 6e 09 73 32  |)..d.s1%=1..n.s2|
000000c0  25 3d 32 0d 00 78 0e ee  20 85 20 f2 65 72 72 3a  |%=2..x.. . .err:|
000000d0  e0 0d 00 82 05 f5 0d 00  8c 0e 20 76 25 3d b3 28  |.......... v%=.(|
000000e0  36 29 2b 32 0d 00 96 11  20 6e 76 65 72 74 25 28  |6)+2.... nvert%(|
000000f0  31 29 3d 76 25 0d 00 a0  0d 20 64 3d 33 36 30 2f  |1)=v%.... d=360/|
00000100  76 25 0d 00 aa 10 20 e3  20 6e 25 3d 31 20 b8 20  |v%.... . n%=1 . |
00000110  76 25 0d 00 b4 13 20 20  74 3d b2 28 33 36 30 2d  |v%....  t=.(360-|
00000120  6e 25 2a 64 29 0d 00 be  20 20 20 76 65 72 74 5f  |n%*d)...   vert_|
00000130  78 25 28 31 2c 6e 25 29  3d 36 34 30 2b 35 30 30  |x%(1,n%)=640+500|
00000140  2a b5 28 74 29 0d 00 c8  20 20 20 76 65 72 74 5f  |*.(t)...   vert_|
00000150  79 25 28 31 2c 6e 25 29  3d 35 31 32 2b 35 30 30  |y%(1,n%)=512+500|
00000160  2a 9b 28 74 29 0d 00 d2  06 20 ed 0d 00 dc 10 20  |*.(t).... ..... |
00000170  e3 20 69 25 3d 31 20 b8  20 34 39 0d 00 e6 0e 20  |. i%=1 . 49.... |
00000180  20 e7 20 69 25 3d 31 20  8c 0d 00 f0 0b 20 20 20  | . i%=1 .....   |
00000190  72 25 3d 31 0d 00 fa 07  20 20 cc 0d 01 04 0d 20  |r%=1....  ..... |
000001a0  20 20 6d 61 78 25 3d 30  0d 01 0e 12 20 20 20 e3  |  max%=0....   .|
000001b0  20 6e 25 3d 31 20 b8 20  69 25 0d 01 18 0d 20 20  | n%=1 . i%....  |
000001c0  20 20 78 31 25 3d 30 0d  01 22 0d 20 20 20 20 79  |  x1%=0..".    y|
000001d0  31 25 3d 30 0d 01 2c 1b  20 20 20 20 e3 20 6d 25  |1%=0..,.    . m%|
000001e0  3d 31 20 b8 20 6e 76 65  72 74 25 28 6e 25 29 0d  |=1 . nvert%(n%).|
000001f0  01 36 1c 20 20 20 20 20  78 31 25 2b 3d 76 65 72  |.6.     x1%+=ver|
00000200  74 5f 78 25 28 6e 25 2c  6d 25 29 0d 01 40 1c 20  |t_x%(n%,m%)..@. |
00000210  20 20 20 20 79 31 25 2b  3d 76 65 72 74 5f 79 25  |    y1%+=vert_y%|
00000220  28 6e 25 2c 6d 25 29 0d  01 4a 09 20 20 20 20 ed  |(n%,m%)..J.    .|
00000230  0d 01 54 1a 20 20 20 20  78 31 25 3d 78 31 25 2f  |..T.    x1%=x1%/|
00000240  6e 76 65 72 74 25 28 6e  25 29 0d 01 5e 1a 20 20  |nvert%(n%)..^.  |
00000250  20 20 79 31 25 3d 79 31  25 2f 6e 76 65 72 74 25  |  y1%=y1%/nvert%|
00000260  28 6e 25 29 0d 01 68 0c  20 20 20 20 61 25 3d 30  |(n%)..h.    a%=0|
00000270  0d 01 72 1b 20 20 20 20  e3 20 6d 25 3d 31 20 b8  |..r.    . m%=1 .|
00000280  20 6e 76 65 72 74 25 28  6e 25 29 0d 01 7c 1e 20  | nvert%(n%)..|. |
00000290  20 20 20 20 6d 31 25 3d  6d 25 20 83 20 6e 76 65  |    m1%=m% . nve|
000002a0  72 74 25 28 6e 25 29 2b  31 0d 01 86 1b 20 20 20  |rt%(n%)+1....   |
000002b0  20 20 78 32 25 3d 76 65  72 74 5f 78 25 28 6e 25  |  x2%=vert_x%(n%|
000002c0  2c 6d 25 29 0d 01 90 1b  20 20 20 20 20 79 32 25  |,m%)....     y2%|
000002d0  3d 76 65 72 74 5f 79 25  28 6e 25 2c 6d 25 29 0d  |=vert_y%(n%,m%).|
000002e0  01 9a 1c 20 20 20 20 20  78 33 25 3d 76 65 72 74  |...     x3%=vert|
000002f0  5f 78 25 28 6e 25 2c 6d  31 25 29 0d 01 a4 1c 20  |_x%(n%,m1%).... |
00000300  20 20 20 20 79 33 25 3d  76 65 72 74 5f 79 25 28  |    y3%=vert_y%(|
00000310  6e 25 2c 6d 31 25 29 0d  01 ae 40 20 20 20 20 20  |n%,m1%)...@     |
00000320  61 25 2b 3d 28 78 31 25  2a 79 32 25 2b 79 31 25  |a%+=(x1%*y2%+y1%|
00000330  2a 78 33 25 2b 79 33 25  2a 78 32 25 2d 79 32 25  |*x3%+y3%*x2%-y2%|
00000340  2a 78 33 25 2d 79 31 25  2a 78 32 25 2d 78 31 25  |*x3%-y1%*x2%-x1%|
00000350  2a 79 33 25 29 2f 32 0d  01 b8 09 20 20 20 20 ed  |*y3%)/2....    .|
00000360  0d 01 c2 1f 20 20 20 20  e7 20 61 25 3e 6d 61 78  |....    . a%>max|
00000370  25 20 6d 61 78 25 3d 61  25 3a 72 25 3d 6e 25 0d  |% max%=a%:r%=n%.|
00000380  01 cc 08 20 20 20 ed 0d  01 d6 07 20 20 cd 0d 01  |...   .....  ...|
00000390  e0 13 20 20 70 25 3d 6e  76 65 72 74 25 28 72 25  |..  p%=nvert%(r%|
000003a0  29 0d 01 ea 11 20 20 e3  20 6e 25 3d 31 20 b8 20  |)....  . n%=1 . |
000003b0  70 25 0d 01 f4 1d 20 20  20 61 78 25 28 6e 25 29  |p%....   ax%(n%)|
000003c0  3d 76 65 72 74 5f 78 25  28 72 25 2c 6e 25 29 0d  |=vert_x%(r%,n%).|
000003d0  01 fe 1d 20 20 20 61 79  25 28 6e 25 29 3d 76 65  |...   ay%(n%)=ve|
000003e0  72 74 5f 79 25 28 72 25  2c 6e 25 29 0d 02 08 07  |rt_y%(r%,n%)....|
000003f0  20 20 ed 0d 02 12 0a 20  20 6c 25 3d 30 0d 02 1c  |  .....  l%=0...|
00000400  11 20 20 e3 20 6e 25 3d  31 20 b8 20 70 25 0d 02  |.  . n%=1 . p%..|
00000410  26 14 20 20 20 6e 31 25  3d 6e 25 20 83 20 70 25  |&.   n1%=n% . p%|
00000420  2b 31 0d 02 30 33 20 20  20 67 25 3d 28 61 78 25  |+1..03   g%=(ax%|
00000430  28 6e 25 29 2d 61 78 25  28 6e 31 25 29 29 5e 32  |(n%)-ax%(n1%))^2|
00000440  2b 28 61 79 25 28 6e 25  29 2d 61 79 25 28 6e 31  |+(ay%(n%)-ay%(n1|
00000450  25 29 29 5e 32 0d 02 3a  1c 20 20 20 e7 20 67 25  |%))^2..:.   . g%|
00000460  3e 6c 25 20 6c 25 3d 67  25 3a 64 31 31 25 3d 6e  |>l% l%=g%:d11%=n|
00000470  25 0d 02 44 07 20 20 ed  0d 02 4e 07 20 20 f5 0d  |%..D.  ...N.  ..|
00000480  02 58 11 20 20 20 64 32  31 25 3d b3 28 70 25 29  |.X.   d21%=.(p%)|
00000490  0d 02 62 12 20 20 fd 20  64 31 31 25 3c 3e 64 32  |..b.  . d11%<>d2|
000004a0  31 25 0d 02 6c 1e 20 20  e7 20 64 31 31 25 3e 64  |1%..l.  . d11%>d|
000004b0  32 31 25 20 c8 94 20 64  31 31 25 2c 64 32 31 25  |21% .. d11%,d21%|
000004c0  0d 02 76 16 20 20 64 31  32 25 3d 64 31 31 25 20  |..v.  d12%=d11% |
000004d0  83 20 70 25 2b 31 0d 02  80 16 20 20 64 32 32 25  |. p%+1....  d22%|
000004e0  3d 64 32 31 25 20 83 20  70 25 2b 31 0d 02 8a 0e  |=d21% . p%+1....|
000004f0  20 20 66 31 25 3d b3 28  32 29 0d 02 94 0f 20 20  |  f1%=.(2)....  |
00000500  66 32 25 3d 33 2d 66 31  25 0d 02 9e 2a 20 20 70  |f2%=3-f1%...*  p|
00000510  78 31 25 3d 28 66 31 25  2a 61 78 25 28 64 31 31  |x1%=(f1%*ax%(d11|
00000520  25 29 2b 66 32 25 2a 61  78 25 28 64 31 32 25 29  |%)+f2%*ax%(d12%)|
00000530  29 2f 33 0d 02 a8 2a 20  20 70 79 31 25 3d 28 66  |)/3...*  py1%=(f|
00000540  31 25 2a 61 79 25 28 64  31 31 25 29 2b 66 32 25  |1%*ay%(d11%)+f2%|
00000550  2a 61 79 25 28 64 31 32  25 29 29 2f 33 0d 02 b2  |*ay%(d12%))/3...|
00000560  2a 20 20 70 78 32 25 3d  28 66 31 25 2a 61 78 25  |*  px2%=(f1%*ax%|
00000570  28 64 32 31 25 29 2b 66  32 25 2a 61 78 25 28 64  |(d21%)+f2%*ax%(d|
00000580  32 32 25 29 29 2f 33 0d  02 bc 2a 20 20 70 79 32  |22%))/3...*  py2|
00000590  25 3d 28 66 31 25 2a 61  79 25 28 64 32 31 25 29  |%=(f1%*ay%(d21%)|
000005a0  2b 66 32 25 2a 61 79 25  28 64 32 32 25 29 29 2f  |+f2%*ay%(d22%))/|
000005b0  33 0d 02 c6 0a 20 20 6b  25 3d 30 0d 02 d0 11 20  |3....  k%=0.... |
000005c0  20 e3 20 6e 25 3d 31 20  b8 20 70 25 0d 02 da 0c  | . n%=1 . p%....|
000005d0  20 20 20 6b 25 2b 3d 31  0d 02 e4 1d 20 20 20 76  |   k%+=1....   v|
000005e0  65 72 74 5f 78 25 28 72  25 2c 6b 25 29 3d 61 78  |ert_x%(r%,k%)=ax|
000005f0  25 28 6e 25 29 0d 02 ee  1d 20 20 20 76 65 72 74  |%(n%)....   vert|
00000600  5f 79 25 28 72 25 2c 6b  25 29 3d 61 79 25 28 6e  |_y%(r%,k%)=ay%(n|
00000610  25 29 0d 02 f8 12 20 20  20 e7 20 6e 25 3d 64 31  |%)....   . n%=d1|
00000620  31 25 20 8c 0d 03 02 0d  20 20 20 20 6b 25 2b 3d  |1% .....    k%+=|
00000630  31 0d 03 0c 1b 20 20 20  20 76 65 72 74 5f 78 25  |1....    vert_x%|
00000640  28 72 25 2c 6b 25 29 3d  70 78 31 25 0d 03 16 1b  |(r%,k%)=px1%....|
00000650  20 20 20 20 76 65 72 74  5f 79 25 28 72 25 2c 6b  |    vert_y%(r%,k|
00000660  25 29 3d 70 79 31 25 0d  03 20 0d 20 20 20 20 6b  |%)=py1%.. .    k|
00000670  25 2b 3d 31 0d 03 2a 1b  20 20 20 20 76 65 72 74  |%+=1..*.    vert|
00000680  5f 78 25 28 72 25 2c 6b  25 29 3d 70 78 32 25 0d  |_x%(r%,k%)=px2%.|
00000690  03 34 1b 20 20 20 20 76  65 72 74 5f 79 25 28 72  |.4.    vert_y%(r|
000006a0  25 2c 6b 25 29 3d 70 79  32 25 0d 03 3e 0f 20 20  |%,k%)=py2%..>.  |
000006b0  20 20 6e 25 3d 64 32 31  25 0d 03 48 08 20 20 20  |  n%=d21%..H.   |
000006c0  cd 0d 03 52 07 20 20 ed  0d 03 5c 13 20 20 6e 76  |...R.  ...\.  nv|
000006d0  65 72 74 25 28 72 25 29  3d 6b 25 0d 03 66 0d 20  |ert%(r%)=k%..f. |
000006e0  20 71 25 3d 69 25 2b 31  0d 03 70 0a 20 20 6b 25  | q%=i%+1..p.  k%|
000006f0  3d 31 0d 03 7a 19 20 20  76 65 72 74 5f 78 25 28  |=1..z.  vert_x%(|
00000700  71 25 2c 6b 25 29 3d 70  78 31 25 0d 03 84 19 20  |q%,k%)=px1%.... |
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00000720  70 79 31 25 0d 03 8e 18  20 20 e3 20 6e 25 3d 64  |py1%....  . n%=d|
00000730  31 31 25 2b 31 20 b8 20  64 32 31 25 0d 03 98 0c  |11%+1 . d21%....|
00000740  20 20 20 6b 25 2b 3d 31  0d 03 a2 1d 20 20 20 76  |   k%+=1....   v|
00000750  65 72 74 5f 78 25 28 71  25 2c 6b 25 29 3d 61 78  |ert_x%(q%,k%)=ax|
00000760  25 28 6e 25 29 0d 03 ac  1d 20 20 20 76 65 72 74  |%(n%)....   vert|
00000770  5f 79 25 28 71 25 2c 6b  25 29 3d 61 79 25 28 6e  |_y%(q%,k%)=ay%(n|
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00000790  25 2b 3d 31 0d 03 ca 19  20 20 76 65 72 74 5f 78  |%+=1....  vert_x|
000007a0  25 28 71 25 2c 6b 25 29  3d 70 78 32 25 0d 03 d4  |%(q%,k%)=px2%...|
000007b0  19 20 20 76 65 72 74 5f  79 25 28 71 25 2c 6b 25  |.  vert_y%(q%,k%|
000007c0  29 3d 70 79 32 25 0d 03  de 13 20 20 6e 76 65 72  |)=py2%....  nver|
000007d0  74 25 28 71 25 29 3d 6b  25 0d 03 e8 12 20 20 c8  |t%(q%)=k%....  .|
000007e0  99 20 36 2c 31 31 32 2c  73 31 25 0d 03 f2 12 20  |. 6,112,s1%.... |
000007f0  20 c8 99 20 36 2c 31 31  33 2c 73 32 25 0d 03 fc  | .. 6,113,s2%...|
00000800  08 20 20 c8 96 0d 04 06  07 20 20 db 0d 04 10 10  |.  ......  .....|
00000810  20 20 c8 94 20 73 31 25  2c 73 32 25 0d 04 1a 13  |  .. s1%,s2%....|
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00000840  20 20 ed 0d 04 38 06 20  ed 0d 04 42 07 20 c8 96  |  ...8. ...B. ..|
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00000910  ce 16 63 78 25 3d 63 78  25 2f 6e 76 65 72 74 25  |..cx%=cx%/nvert%|
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00000a00  2a 30 2e 37 2b 63 79 25  0d 05 28 0f 20 f0 20 38  |*0.7+cy%..(. . 8|
00000a10  35 2c 78 25 2c 79 25 0d  05 32 05 ed 0d 05 3c 05  |5,x%,y%..2....<.|
00000a20  e1 0d 05 46 05 3a 0d 05  50 0a dd 20 f2 65 72 72  |...F.:..P.. .err|
00000a30  0d 05 5a 10 c8 99 20 36  2c 31 31 32 2c 73 31 25  |..Z... 6,112,s1%|
00000a40  0d 05 64 14 f1 f6 24 22  20 61 74 20 6c 69 6e 65  |..d...$" at line|
00000a50  20 22 c3 9e 0d 05 6e 05  ee 0d 05 78 05 e1 0d ff  | "....n....x....|
00000a60