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Shatter2

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: Shatter2
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   10REM     >Shatter2
   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
  120PRINT"Please wait..."
  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+300*SIN(t)
  200  vert_y%(1,n%)=512+300*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 NEXT
 1010
 1020 ON ERROR PROCerr:END
 1030 FOR i%=0 TO 20
 1040  PROCswap
 1050  FOR n%=1 TO 50
 1060   PROCd(n%,i%/30)
 1070  NEXT
 1080 NEXT
 1090 PROCswap
 1100UNTIL FALSE
 1110:
 1120DEF PROCswap
 1130WAIT
 1140SYS 6,112,s1%
 1150SYS 6,113,s2%
 1160CLS
 1170SWAP s1%,s2%
 1180ENDPROC
 1190:
 1200DEF PROCd(p%,f)
 1210LOCAL n%,cx%,cy%,mx%,my%,x%,y%,f1
 1220FOR n%=1 TO nvert%(p%)
 1230 cx%+=vert_x%(p%,n%)
 1240 cy%+=vert_y%(p%,n%)
 1250NEXT
 1260cx%=cx%/nvert%(p%)
 1270cy%=cy%/nvert%(p%)
 1280mx%=(cx%-640)
 1290my%=(cy%-512)
 1300f1=f+1
 1310x%=vert_x%(p%,nvert%(p%))-640
 1320y%=vert_y%(p%,nvert%(p%))-512
 1330MOVE x%+mx%*f+640,y%+my%*f+512
 1340FOR n%=1 TO nvert%(p%)
 1350 x%=vert_x%(p%,n%)-640
 1360 y%=vert_y%(p%,n%)-512
 1370 MOVE mx%*f1+640,my%*f1+512
 1380 PLOT 85,x%+mx%*f+640,y%+my%*f+512
 1390NEXT
 1400ENDPROC
 1410:
 1420DEF PROCerr
 1430SYS 6,112,s1%
 1440PRINTREPORT$" at line "STR$ERL
 1450ON
 1460ENDPROC
�     >Shatter2
� 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�"Please wait..."
��
� v%=�(6)+2
� nvert%(1)=v%
�
 d=360/v%
� � n%=1 � v%
�  t=�(360-n%*d)
�   vert_x%(1,n%)=640+300*�(t)
�   vert_y%(1,n%)=512+300*�(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%
� �
�
� � � �err:�
 � i%=0 � 20
  �swap
  � n%=1 � 50
$   �d(n%,i%/30)
.  �
8 �
B
 �swap
L� �
V:
`� �swap
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tș 6,112,s1%
~ș 6,113,s2%
��
�Ȕ s1%,s2%
��
�:
�� �d(p%,f)
�!� n%,cx%,cy%,mx%,my%,x%,y%,f1
�� n%=1 � nvert%(p%)
� cx%+=vert_x%(p%,n%)
� cy%+=vert_y%(p%,n%)
��
�cx%=cx%/nvert%(p%)
�cy%=cy%/nvert%(p%)
mx%=(cx%-640)

my%=(cy%-512)

f1=f+1
!x%=vert_x%(p%,nvert%(p%))-640
(!y%=vert_y%(p%,nvert%(p%))-512
2� x%+mx%*f+640,y%+my%*f+512
<� n%=1 � nvert%(p%)
F x%=vert_x%(p%,n%)-640
P y%=vert_y%(p%,n%)-512
Z � mx%*f1+640,my%*f1+512
d# � 85,x%+mx%*f+640,y%+my%*f+512
n�
x�
�:
�
� �err
�ș 6,112,s1%
��$" at line "Þ
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�
00000000  0d 00 0a 13 f4 20 20 20  20 20 3e 53 68 61 74 74  |.....     >Shatt|
00000010  65 72 32 0d 00 14 12 f4  20 42 79 20 20 4a 61 6e  |er2..... By  Jan|
00000020  20 56 69 62 65 0d 00 1e  19 f4 20 46 6f 72 20 33  | Vibe..... For 3|
00000030  32 2d 62 69 74 20 6d 61  63 68 69 6e 65 73 0d 00  |2-bit machines..|
00000040  28 1b f4 20 28 63 29 20  42 41 55 20 4e 6f 76 65  |(.. (c) BAU Nove|
00000050  6d 62 65 72 20 31 39 39  33 0d 00 32 05 3a 0d 00  |mber 1993..2.:..|
00000060  3c 09 eb 20 31 34 30 0d  00 46 08 eb 20 31 32 0d  |<.. 140..F.. 12.|
00000070  00 50 05 87 0d 00 5a 3e  de 20 76 65 72 74 5f 78  |.P....Z>. vert_x|
00000080  25 28 35 30 2c 31 35 29  2c 76 65 72 74 5f 79 25  |%(50,15),vert_y%|
00000090  28 35 30 2c 31 35 29 2c  6e 76 65 72 74 25 28 35  |(50,15),nvert%(5|
000000a0  30 29 2c 61 78 25 28 31  35 29 2c 61 79 25 28 31  |0),ax%(15),ay%(1|
000000b0  35 29 0d 00 64 09 73 31  25 3d 31 0d 00 6e 09 73  |5)..d.s1%=1..n.s|
000000c0  32 25 3d 32 0d 00 78 15  f1 22 50 6c 65 61 73 65  |2%=2..x.."Please|
000000d0  20 77 61 69 74 2e 2e 2e  22 0d 00 82 05 f5 0d 00  | wait...".......|
000000e0  8c 0e 20 76 25 3d b3 28  36 29 2b 32 0d 00 96 11  |.. v%=.(6)+2....|
000000f0  20 6e 76 65 72 74 25 28  31 29 3d 76 25 0d 00 a0  | nvert%(1)=v%...|
00000100  0d 20 64 3d 33 36 30 2f  76 25 0d 00 aa 10 20 e3  |. d=360/v%.... .|
00000110  20 6e 25 3d 31 20 b8 20  76 25 0d 00 b4 13 20 20  | n%=1 . v%....  |
00000120  74 3d b2 28 33 36 30 2d  6e 25 2a 64 29 0d 00 be  |t=.(360-n%*d)...|
00000130  20 20 20 76 65 72 74 5f  78 25 28 31 2c 6e 25 29  |   vert_x%(1,n%)|
00000140  3d 36 34 30 2b 33 30 30  2a b5 28 74 29 0d 00 c8  |=640+300*.(t)...|
00000150  20 20 20 76 65 72 74 5f  79 25 28 31 2c 6e 25 29  |   vert_y%(1,n%)|
00000160  3d 35 31 32 2b 33 30 30  2a 9b 28 74 29 0d 00 d2  |=512+300*.(t)...|
00000170  06 20 ed 0d 00 dc 10 20  e3 20 69 25 3d 31 20 b8  |. ..... . i%=1 .|
00000180  20 34 39 0d 00 e6 0e 20  20 e7 20 69 25 3d 31 20  | 49....  . i%=1 |
00000190  8c 0d 00 f0 0b 20 20 20  72 25 3d 31 0d 00 fa 07  |.....   r%=1....|
000001a0  20 20 cc 0d 01 04 0d 20  20 20 6d 61 78 25 3d 30  |  .....   max%=0|
000001b0  0d 01 0e 12 20 20 20 e3  20 6e 25 3d 31 20 b8 20  |....   . n%=1 . |
000001c0  69 25 0d 01 18 0d 20 20  20 20 78 31 25 3d 30 0d  |i%....    x1%=0.|
000001d0  01 22 0d 20 20 20 20 79  31 25 3d 30 0d 01 2c 1b  |.".    y1%=0..,.|
000001e0  20 20 20 20 e3 20 6d 25  3d 31 20 b8 20 6e 76 65  |    . m%=1 . nve|
000001f0  72 74 25 28 6e 25 29 0d  01 36 1c 20 20 20 20 20  |rt%(n%)..6.     |
00000200  78 31 25 2b 3d 76 65 72  74 5f 78 25 28 6e 25 2c  |x1%+=vert_x%(n%,|
00000210  6d 25 29 0d 01 40 1c 20  20 20 20 20 79 31 25 2b  |m%)..@.     y1%+|
00000220  3d 76 65 72 74 5f 79 25  28 6e 25 2c 6d 25 29 0d  |=vert_y%(n%,m%).|
00000230  01 4a 09 20 20 20 20 ed  0d 01 54 1a 20 20 20 20  |.J.    ...T.    |
00000240  78 31 25 3d 78 31 25 2f  6e 76 65 72 74 25 28 6e  |x1%=x1%/nvert%(n|
00000250  25 29 0d 01 5e 1a 20 20  20 20 79 31 25 3d 79 31  |%)..^.    y1%=y1|
00000260  25 2f 6e 76 65 72 74 25  28 6e 25 29 0d 01 68 0c  |%/nvert%(n%)..h.|
00000270  20 20 20 20 61 25 3d 30  0d 01 72 1b 20 20 20 20  |    a%=0..r.    |
00000280  e3 20 6d 25 3d 31 20 b8  20 6e 76 65 72 74 25 28  |. m%=1 . nvert%(|
00000290  6e 25 29 0d 01 7c 1e 20  20 20 20 20 6d 31 25 3d  |n%)..|.     m1%=|
000002a0  6d 25 20 83 20 6e 76 65  72 74 25 28 6e 25 29 2b  |m% . nvert%(n%)+|
000002b0  31 0d 01 86 1b 20 20 20  20 20 78 32 25 3d 76 65  |1....     x2%=ve|
000002c0  72 74 5f 78 25 28 6e 25  2c 6d 25 29 0d 01 90 1b  |rt_x%(n%,m%)....|
000002d0  20 20 20 20 20 79 32 25  3d 76 65 72 74 5f 79 25  |     y2%=vert_y%|
000002e0  28 6e 25 2c 6d 25 29 0d  01 9a 1c 20 20 20 20 20  |(n%,m%)....     |
000002f0  78 33 25 3d 76 65 72 74  5f 78 25 28 6e 25 2c 6d  |x3%=vert_x%(n%,m|
00000300  31 25 29 0d 01 a4 1c 20  20 20 20 20 79 33 25 3d  |1%)....     y3%=|
00000310  76 65 72 74 5f 79 25 28  6e 25 2c 6d 31 25 29 0d  |vert_y%(n%,m1%).|
00000320  01 ae 40 20 20 20 20 20  61 25 2b 3d 28 78 31 25  |..@     a%+=(x1%|
00000330  2a 79 32 25 2b 79 31 25  2a 78 33 25 2b 79 33 25  |*y2%+y1%*x3%+y3%|
00000340  2a 78 32 25 2d 79 32 25  2a 78 33 25 2d 79 31 25  |*x2%-y2%*x3%-y1%|
00000350  2a 78 32 25 2d 78 31 25  2a 79 33 25 29 2f 32 0d  |*x2%-x1%*y3%)/2.|
00000360  01 b8 09 20 20 20 20 ed  0d 01 c2 1f 20 20 20 20  |...    .....    |
00000370  e7 20 61 25 3e 6d 61 78  25 20 6d 61 78 25 3d 61  |. a%>max% max%=a|
00000380  25 3a 72 25 3d 6e 25 0d  01 cc 08 20 20 20 ed 0d  |%:r%=n%....   ..|
00000390  01 d6 07 20 20 cd 0d 01  e0 13 20 20 70 25 3d 6e  |...  .....  p%=n|
000003a0  76 65 72 74 25 28 72 25  29 0d 01 ea 11 20 20 e3  |vert%(r%)....  .|
000003b0  20 6e 25 3d 31 20 b8 20  70 25 0d 01 f4 1d 20 20  | n%=1 . p%....  |
000003c0  20 61 78 25 28 6e 25 29  3d 76 65 72 74 5f 78 25  | ax%(n%)=vert_x%|
000003d0  28 72 25 2c 6e 25 29 0d  01 fe 1d 20 20 20 61 79  |(r%,n%)....   ay|
000003e0  25 28 6e 25 29 3d 76 65  72 74 5f 79 25 28 72 25  |%(n%)=vert_y%(r%|
000003f0  2c 6e 25 29 0d 02 08 07  20 20 ed 0d 02 12 0a 20  |,n%)....  ..... |
00000400  20 6c 25 3d 30 0d 02 1c  11 20 20 e3 20 6e 25 3d  | l%=0....  . n%=|
00000410  31 20 b8 20 70 25 0d 02  26 14 20 20 20 6e 31 25  |1 . p%..&.   n1%|
00000420  3d 6e 25 20 83 20 70 25  2b 31 0d 02 30 33 20 20  |=n% . p%+1..03  |
00000430  20 67 25 3d 28 61 78 25  28 6e 25 29 2d 61 78 25  | g%=(ax%(n%)-ax%|
00000440  28 6e 31 25 29 29 5e 32  2b 28 61 79 25 28 6e 25  |(n1%))^2+(ay%(n%|
00000450  29 2d 61 79 25 28 6e 31  25 29 29 5e 32 0d 02 3a  |)-ay%(n1%))^2..:|
00000460  1c 20 20 20 e7 20 67 25  3e 6c 25 20 6c 25 3d 67  |.   . g%>l% l%=g|
00000470  25 3a 64 31 31 25 3d 6e  25 0d 02 44 07 20 20 ed  |%:d11%=n%..D.  .|
00000480  0d 02 4e 07 20 20 f5 0d  02 58 11 20 20 20 64 32  |..N.  ...X.   d2|
00000490  31 25 3d b3 28 70 25 29  0d 02 62 12 20 20 fd 20  |1%=.(p%)..b.  . |
000004a0  64 31 31 25 3c 3e 64 32  31 25 0d 02 6c 1e 20 20  |d11%<>d21%..l.  |
000004b0  e7 20 64 31 31 25 3e 64  32 31 25 20 c8 94 20 64  |. d11%>d21% .. d|
000004c0  31 31 25 2c 64 32 31 25  0d 02 76 16 20 20 64 31  |11%,d21%..v.  d1|
000004d0  32 25 3d 64 31 31 25 20  83 20 70 25 2b 31 0d 02  |2%=d11% . p%+1..|
000004e0  80 16 20 20 64 32 32 25  3d 64 32 31 25 20 83 20  |..  d22%=d21% . |
000004f0  70 25 2b 31 0d 02 8a 0e  20 20 66 31 25 3d b3 28  |p%+1....  f1%=.(|
00000500  32 29 0d 02 94 0f 20 20  66 32 25 3d 33 2d 66 31  |2)....  f2%=3-f1|
00000510  25 0d 02 9e 2a 20 20 70  78 31 25 3d 28 66 31 25  |%...*  px1%=(f1%|
00000520  2a 61 78 25 28 64 31 31  25 29 2b 66 32 25 2a 61  |*ax%(d11%)+f2%*a|
00000530  78 25 28 64 31 32 25 29  29 2f 33 0d 02 a8 2a 20  |x%(d12%))/3...* |
00000540  20 70 79 31 25 3d 28 66  31 25 2a 61 79 25 28 64  | py1%=(f1%*ay%(d|
00000550  31 31 25 29 2b 66 32 25  2a 61 79 25 28 64 31 32  |11%)+f2%*ay%(d12|
00000560  25 29 29 2f 33 0d 02 b2  2a 20 20 70 78 32 25 3d  |%))/3...*  px2%=|
00000570  28 66 31 25 2a 61 78 25  28 64 32 31 25 29 2b 66  |(f1%*ax%(d21%)+f|
00000580  32 25 2a 61 78 25 28 64  32 32 25 29 29 2f 33 0d  |2%*ax%(d22%))/3.|
00000590  02 bc 2a 20 20 70 79 32  25 3d 28 66 31 25 2a 61  |..*  py2%=(f1%*a|
000005a0  79 25 28 64 32 31 25 29  2b 66 32 25 2a 61 79 25  |y%(d21%)+f2%*ay%|
000005b0  28 64 32 32 25 29 29 2f  33 0d 02 c6 0a 20 20 6b  |(d22%))/3....  k|
000005c0  25 3d 30 0d 02 d0 11 20  20 e3 20 6e 25 3d 31 20  |%=0....  . n%=1 |
000005d0  b8 20 70 25 0d 02 da 0c  20 20 20 6b 25 2b 3d 31  |. p%....   k%+=1|
000005e0  0d 02 e4 1d 20 20 20 76  65 72 74 5f 78 25 28 72  |....   vert_x%(r|
000005f0  25 2c 6b 25 29 3d 61 78  25 28 6e 25 29 0d 02 ee  |%,k%)=ax%(n%)...|
00000600  1d 20 20 20 76 65 72 74  5f 79 25 28 72 25 2c 6b  |.   vert_y%(r%,k|
00000610  25 29 3d 61 79 25 28 6e  25 29 0d 02 f8 12 20 20  |%)=ay%(n%)....  |
00000620  20 e7 20 6e 25 3d 64 31  31 25 20 8c 0d 03 02 0d  | . n%=d11% .....|
00000630  20 20 20 20 6b 25 2b 3d  31 0d 03 0c 1b 20 20 20  |    k%+=1....   |
00000640  20 76 65 72 74 5f 78 25  28 72 25 2c 6b 25 29 3d  | vert_x%(r%,k%)=|
00000650  70 78 31 25 0d 03 16 1b  20 20 20 20 76 65 72 74  |px1%....    vert|
00000660  5f 79 25 28 72 25 2c 6b  25 29 3d 70 79 31 25 0d  |_y%(r%,k%)=py1%.|
00000670  03 20 0d 20 20 20 20 6b  25 2b 3d 31 0d 03 2a 1b  |. .    k%+=1..*.|
00000680  20 20 20 20 76 65 72 74  5f 78 25 28 72 25 2c 6b  |    vert_x%(r%,k|
00000690  25 29 3d 70 78 32 25 0d  03 34 1b 20 20 20 20 76  |%)=px2%..4.    v|
000006a0  65 72 74 5f 79 25 28 72  25 2c 6b 25 29 3d 70 79  |ert_y%(r%,k%)=py|
000006b0  32 25 0d 03 3e 0f 20 20  20 20 6e 25 3d 64 32 31  |2%..>.    n%=d21|
000006c0  25 0d 03 48 08 20 20 20  cd 0d 03 52 07 20 20 ed  |%..H.   ...R.  .|
000006d0  0d 03 5c 13 20 20 6e 76  65 72 74 25 28 72 25 29  |..\.  nvert%(r%)|
000006e0  3d 6b 25 0d 03 66 0d 20  20 71 25 3d 69 25 2b 31  |=k%..f.  q%=i%+1|
000006f0  0d 03 70 0a 20 20 6b 25  3d 31 0d 03 7a 19 20 20  |..p.  k%=1..z.  |
00000700  76 65 72 74 5f 78 25 28  71 25 2c 6b 25 29 3d 70  |vert_x%(q%,k%)=p|
00000710  78 31 25 0d 03 84 19 20  20 76 65 72 74 5f 79 25  |x1%....  vert_y%|
00000720  28 71 25 2c 6b 25 29 3d  70 79 31 25 0d 03 8e 18  |(q%,k%)=py1%....|
00000730  20 20 e3 20 6e 25 3d 64  31 31 25 2b 31 20 b8 20  |  . n%=d11%+1 . |
00000740  64 32 31 25 0d 03 98 0c  20 20 20 6b 25 2b 3d 31  |d21%....   k%+=1|
00000750  0d 03 a2 1d 20 20 20 76  65 72 74 5f 78 25 28 71  |....   vert_x%(q|
00000760  25 2c 6b 25 29 3d 61 78  25 28 6e 25 29 0d 03 ac  |%,k%)=ax%(n%)...|
00000770  1d 20 20 20 76 65 72 74  5f 79 25 28 71 25 2c 6b  |.   vert_y%(q%,k|
00000780  25 29 3d 61 79 25 28 6e  25 29 0d 03 b6 07 20 20  |%)=ay%(n%)....  |
00000790  ed 0d 03 c0 0b 20 20 6b  25 2b 3d 31 0d 03 ca 19  |.....  k%+=1....|
000007a0  20 20 76 65 72 74 5f 78  25 28 71 25 2c 6b 25 29  |  vert_x%(q%,k%)|
000007b0  3d 70 78 32 25 0d 03 d4  19 20 20 76 65 72 74 5f  |=px2%....  vert_|
000007c0  79 25 28 71 25 2c 6b 25  29 3d 70 79 32 25 0d 03  |y%(q%,k%)=py2%..|
000007d0  de 13 20 20 6e 76 65 72  74 25 28 71 25 29 3d 6b  |..  nvert%(q%)=k|
000007e0  25 0d 03 e8 06 20 ed 0d  03 f2 04 0d 03 fc 0f 20  |%.... ......... |
000007f0  ee 20 85 20 f2 65 72 72  3a e0 0d 04 06 10 20 e3  |. . .err:..... .|
00000800  20 69 25 3d 30 20 b8 20  32 30 0d 04 10 0b 20 20  | i%=0 . 20....  |
00000810  f2 73 77 61 70 0d 04 1a  11 20 20 e3 20 6e 25 3d  |.swap....  . n%=|
00000820  31 20 b8 20 35 30 0d 04  24 13 20 20 20 f2 64 28  |1 . 50..$.   .d(|
00000830  6e 25 2c 69 25 2f 33 30  29 0d 04 2e 07 20 20 ed  |n%,i%/30)....  .|
00000840  0d 04 38 06 20 ed 0d 04  42 0a 20 f2 73 77 61 70  |..8. ...B. .swap|
00000850  0d 04 4c 07 fd 20 a3 0d  04 56 05 3a 0d 04 60 0b  |..L.. ...V.:..`.|
00000860  dd 20 f2 73 77 61 70 0d  04 6a 06 c8 96 0d 04 74  |. .swap..j.....t|
00000870  10 c8 99 20 36 2c 31 31  32 2c 73 31 25 0d 04 7e  |... 6,112,s1%..~|
00000880  10 c8 99 20 36 2c 31 31  33 2c 73 32 25 0d 04 88  |... 6,113,s2%...|
00000890  05 db 0d 04 92 0e c8 94  20 73 31 25 2c 73 32 25  |........ s1%,s2%|
000008a0  0d 04 9c 05 e1 0d 04 a6  05 3a 0d 04 b0 0e dd 20  |.........:..... |
000008b0  f2 64 28 70 25 2c 66 29  0d 04 ba 21 ea 20 6e 25  |.d(p%,f)...!. n%|
000008c0  2c 63 78 25 2c 63 79 25  2c 6d 78 25 2c 6d 79 25  |,cx%,cy%,mx%,my%|
000008d0  2c 78 25 2c 79 25 2c 66  31 0d 04 c4 17 e3 20 6e  |,x%,y%,f1..... n|
000008e0  25 3d 31 20 b8 20 6e 76  65 72 74 25 28 70 25 29  |%=1 . nvert%(p%)|
000008f0  0d 04 ce 18 20 63 78 25  2b 3d 76 65 72 74 5f 78  |.... cx%+=vert_x|
00000900  25 28 70 25 2c 6e 25 29  0d 04 d8 18 20 63 79 25  |%(p%,n%).... cy%|
00000910  2b 3d 76 65 72 74 5f 79  25 28 70 25 2c 6e 25 29  |+=vert_y%(p%,n%)|
00000920  0d 04 e2 05 ed 0d 04 ec  16 63 78 25 3d 63 78 25  |.........cx%=cx%|
00000930  2f 6e 76 65 72 74 25 28  70 25 29 0d 04 f6 16 63  |/nvert%(p%)....c|
00000940  79 25 3d 63 79 25 2f 6e  76 65 72 74 25 28 70 25  |y%=cy%/nvert%(p%|
00000950  29 0d 05 00 11 6d 78 25  3d 28 63 78 25 2d 36 34  |)....mx%=(cx%-64|
00000960  30 29 0d 05 0a 11 6d 79  25 3d 28 63 79 25 2d 35  |0)....my%=(cy%-5|
00000970  31 32 29 0d 05 14 0a 66  31 3d 66 2b 31 0d 05 1e  |12)....f1=f+1...|
00000980  21 78 25 3d 76 65 72 74  5f 78 25 28 70 25 2c 6e  |!x%=vert_x%(p%,n|
00000990  76 65 72 74 25 28 70 25  29 29 2d 36 34 30 0d 05  |vert%(p%))-640..|
000009a0  28 21 79 25 3d 76 65 72  74 5f 79 25 28 70 25 2c  |(!y%=vert_y%(p%,|
000009b0  6e 76 65 72 74 25 28 70  25 29 29 2d 35 31 32 0d  |nvert%(p%))-512.|
000009c0  05 32 1f ec 20 78 25 2b  6d 78 25 2a 66 2b 36 34  |.2.. x%+mx%*f+64|
000009d0  30 2c 79 25 2b 6d 79 25  2a 66 2b 35 31 32 0d 05  |0,y%+my%*f+512..|
000009e0  3c 17 e3 20 6e 25 3d 31  20 b8 20 6e 76 65 72 74  |<.. n%=1 . nvert|
000009f0  25 28 70 25 29 0d 05 46  1a 20 78 25 3d 76 65 72  |%(p%)..F. x%=ver|
00000a00  74 5f 78 25 28 70 25 2c  6e 25 29 2d 36 34 30 0d  |t_x%(p%,n%)-640.|
00000a10  05 50 1a 20 79 25 3d 76  65 72 74 5f 79 25 28 70  |.P. y%=vert_y%(p|
00000a20  25 2c 6e 25 29 2d 35 31  32 0d 05 5a 1c 20 ec 20  |%,n%)-512..Z. . |
00000a30  6d 78 25 2a 66 31 2b 36  34 30 2c 6d 79 25 2a 66  |mx%*f1+640,my%*f|
00000a40  31 2b 35 31 32 0d 05 64  23 20 f0 20 38 35 2c 78  |1+512..d# . 85,x|
00000a50  25 2b 6d 78 25 2a 66 2b  36 34 30 2c 79 25 2b 6d  |%+mx%*f+640,y%+m|
00000a60  79 25 2a 66 2b 35 31 32  0d 05 6e 05 ed 0d 05 78  |y%*f+512..n....x|
00000a70  05 e1 0d 05 82 05 3a 0d  05 8c 0a dd 20 f2 65 72  |......:..... .er|
00000a80  72 0d 05 96 10 c8 99 20  36 2c 31 31 32 2c 73 31  |r...... 6,112,s1|
00000a90  25 0d 05 a0 14 f1 f6 24  22 20 61 74 20 6c 69 6e  |%......$" at lin|
00000aa0  65 20 22 c3 9e 0d 05 aa  05 ee 0d 05 b4 05 e1 0d  |e ".............|
00000ab0  ff                                                |.|
00000ab1