Home » Archimedes archive » Acorn User » AU 1997-09 B.adf » Regulars » StarInfo/Mellor/NBfillA

StarInfo/Mellor/NBfillA

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 1997-09 B.adf » Regulars
Filename: StarInfo/Mellor/NBfillA
Read OK:
File size: 07A5 bytes
Load address: 0000
Exec address: 0000
File contents
   10REM NBfill2_Ani
   20REM Original by Jan Vibe
   30REM Updated by Philip Mellor (age 15)
   40REM For 32-bit machines
   50REM Acorn User/Star Info
   60:
   70MODE9:OFF
   80dummy=RND(-TIME)
   90DIM a(16),b(16),c(16)
  100FOR I=0 TO 15
  110COLOUR I,I*17,I*17,I*8.5
  120a(I)=I*17:b(I)=I*17:c(I)=I*8.5
  130NEXT
  140DIM C%(4):FORN%=1TO4:C%(N%)=RND(15):NEXT
  150FORN%=1TO300:GCOLC%(1):POINT RND(1280),RND(1024):NEXT
  160PROCF(640,512)
  170IF RND(2)=1 ad=RND(16) ELSE ad=-RND(16)
  180IF RND(2)=1 bd=RND(16) ELSE bd=-RND(16)
  190IF RND(2)=1 cd=RND(16) ELSE cd=-RND(16)
  200REPEAT
  210a(16)+=ad:b(16)+=bd:c(16)+=cd
  220IF ad>0 AND bd>0 AND cd>0 ad=-ad
  230IF ad<0 AND bd<0 AND cd<0 cd=-cd
  240IF RND(10)=1 ad=RND(16):IF RND(2)=1 ad=-RND(16)
  250IF RND(10)=1 bd=RND(16):IF RND(2)=1 bd=-RND(16)
  260IF RND(10)=1 cd=RND(16):IF RND(2)=1 cd=-RND(16)
  270IF a(16)<0 a(16)=0:ad=RND(16)
  280IF a(16)>255 a(16)=255:ad=-RND(16)
  290IF b(16)<0 b(16)=0:bd=RND(16)
  300IF b(16)>255 b(16)=255:bd=-RND(16)
  310IF c(16)<0 c(16)=0:cd=RND(16)
  320IF c(16)>255 c(16)=255:cd=-RND(16)
  330FOR I=0 TO 15
  340a(I)=a(I+1)
  350b(I)=b(I+1)
  360c(I)=c(I+1)
  370COLOUR I,a(I),b(I),c(I)
  380NEXT
  390WAIT:WAIT
  400UNTIL0
  410END
  420
  430DEFPROCF(X%,Y%)
  440IF POINT(X%,Y%)=0 GCOL C%(1):POINT X%,Y%:PROCF1(X%,Y%,4,0,1)
  450ENDPROC
  460
  470DEFPROCF1(X1%,Y1%,DX%,DY%,CO%)
  480LOCAL X%,Y%,F%
  490X%=X1%:Y%=Y1%
  500WHILE POINT(X%+DX%,Y%+DY%)=0 X%+=DX%:Y%+=DY%:ENDWHILE
  510GCOL C%(CO%)
  520IF DX%<>0 THEN
  530step=ABS(((X%-X1%)/4)/28)
  540IF X1%<X% charlie=4 ELSE charlie=-4
  550col=1:count=0:dir=1:GCOL col
  560FOR bert=X1% TO X% STEP charlie
  570POINT bert,Y%
  580count+=1:IF count>=step THEN
  590count=0
  600col+=dir:IF col>=14 col=14:dir=-1
  610IF col<1 col=1:dir=1
  620GCOL col+1
  630ENDIF
  640NEXT
  650ELSE
  660step=ABS(((Y%-Y1%)/4)/28)
  670IF Y1%<Y% charlie=4 ELSE charlie=-4
  680col=1:count=0:dir=1:GCOL col
  690FOR bert=Y1% TO Y% STEP charlie
  700POINT X%,bert
  710count+=1:IF count>=step THEN
  720count=0
  730col+=dir:IF col>=14 col=14:dir=-1
  740IF col<1 col=1:dir=1
  750GCOL col+1
  760ENDIF
  770NEXT
  780ENDIF
  790REMLINE X1%,Y1%,X%,Y%
  800REPEAT
  810F%=0
  820CASE TRUE OF
  830WHEN POINT(X%+4,Y%)=0:PROCF1(X%,Y%,4,0,1):F%=1
  840WHEN POINT(X%,Y%+4)=0:PROCF1(X%,Y%,0,4,2):F%=1
  850WHEN POINT(X%-4,Y%)=0:PROCF1(X%,Y%,-4,0,3):F%=1
  860WHEN POINT(X%,Y%-4)=0:PROCF1(X%,Y%,0,-4,4):F%=1
  870ENDCASE
  880IF F%=0 X%-=DX%:Y%-=DY%
  890UNTIL X%=X1% AND Y%=Y1%
  900ENDPROC

� NBfill2_Ani
� Original by Jan Vibe
'� Updated by Philip Mellor (age 15)
(� For 32-bit machines
2� Acorn User/Star Info
<:
F�9:�
Pdummy=�(-�)
Z� a(16),b(16),c(16)
d� I=0 � 15
n� I,I*17,I*17,I*8.5
x"a(I)=I*17:b(I)=I*17:c(I)=I*8.5
��
�"� C%(4):�N%=1�4:C%(N%)=�(15):�
�)�N%=1�300:�C%(1):Ȓ �(1280),�(1024):�
��F(640,512)
�!� �(2)=1 ad=�(16) � ad=-�(16)
�!� �(2)=1 bd=�(16) � bd=-�(16)
�!� �(2)=1 cd=�(16) � cd=-�(16)
��
�!a(16)+=ad:b(16)+=bd:c(16)+=cd
�� ad>0 � bd>0 � cd>0 ad=-ad
�� ad<0 � bd<0 � cd<0 cd=-cd
�)� �(10)=1 ad=�(16):� �(2)=1 ad=-�(16)
�)� �(10)=1 bd=�(16):� �(2)=1 bd=-�(16)
)� �(10)=1 cd=�(16):� �(2)=1 cd=-�(16)
� a(16)<0 a(16)=0:ad=�(16)
#� a(16)>255 a(16)=255:ad=-�(16)
"� b(16)<0 b(16)=0:bd=�(16)
,#� b(16)>255 b(16)=255:bd=-�(16)
6� c(16)<0 c(16)=0:cd=�(16)
@#� c(16)>255 c(16)=255:cd=-�(16)
J� I=0 � 15
Ta(I)=a(I+1)
^b(I)=b(I+1)
hc(I)=c(I+1)
r� I,a(I),b(I),c(I)
|�
�	Ȗ:Ȗ
��0
��
�
���F(X%,Y%)
�1� �X%,Y%)=0 � C%(1):Ȓ X%,Y%:�F1(X%,Y%,4,0,1)
��
�
���F1(X1%,Y1%,DX%,DY%,CO%)
�� X%,Y%,F%
�X%=X1%:Y%=Y1%
�*ȕ �X%+DX%,Y%+DY%)=0 X%+=DX%:Y%+=DY%:�
�
� C%(CO%)
� DX%<>0 �
step=�(((X%-X1%)/4)/28)
#� X1%<X% charlie=4 � charlie=-4
&col=1:count=0:dir=1:� col
0� bert=X1% � X% � charlie
:Ȓ bert,Y%
Dcount+=1:� count>=step �
Ncount=0
X$col+=dir:� col>=14 col=14:dir=-1
b� col<1 col=1:dir=1
l� col+1
v�
��
��
�step=�(((Y%-Y1%)/4)/28)
�#� Y1%<Y% charlie=4 � charlie=-4
�col=1:count=0:dir=1:� col
�� bert=Y1% � Y% � charlie
�Ȓ X%,bert
�count+=1:� count>=step �
�count=0
�$col+=dir:� col>=14 col=14:dir=-1
�� col<1 col=1:dir=1
�� col+1
��
�
�
�LINE X1%,Y1%,X%,Y%
 �
*F%=0
4
Ȏ � �
>'� �X%+4,Y%)=0:�F1(X%,Y%,4,0,1):F%=1
H'� �X%,Y%+4)=0:�F1(X%,Y%,0,4,2):F%=1
R(� �X%-4,Y%)=0:�F1(X%,Y%,-4,0,3):F%=1
\(� �X%,Y%-4)=0:�F1(X%,Y%,0,-4,4):F%=1
f�
p� F%=0 X%-=DX%:Y%-=DY%
z� X%=X1% � Y%=Y1%
��
�
00000000  0d 00 0a 11 f4 20 4e 42  66 69 6c 6c 32 5f 41 6e  |..... NBfill2_An|
00000010  69 0d 00 14 1a f4 20 4f  72 69 67 69 6e 61 6c 20  |i..... Original |
00000020  62 79 20 4a 61 6e 20 56  69 62 65 0d 00 1e 27 f4  |by Jan Vibe...'.|
00000030  20 55 70 64 61 74 65 64  20 62 79 20 50 68 69 6c  | Updated by Phil|
00000040  69 70 20 4d 65 6c 6c 6f  72 20 28 61 67 65 20 31  |ip Mellor (age 1|
00000050  35 29 0d 00 28 19 f4 20  46 6f 72 20 33 32 2d 62  |5)..(.. For 32-b|
00000060  69 74 20 6d 61 63 68 69  6e 65 73 0d 00 32 1a f4  |it machines..2..|
00000070  20 41 63 6f 72 6e 20 55  73 65 72 2f 53 74 61 72  | Acorn User/Star|
00000080  20 49 6e 66 6f 0d 00 3c  05 3a 0d 00 46 08 eb 39  | Info..<.:..F..9|
00000090  3a 87 0d 00 50 0f 64 75  6d 6d 79 3d b3 28 2d 91  |:...P.dummy=.(-.|
000000a0  29 0d 00 5a 17 de 20 61  28 31 36 29 2c 62 28 31  |)..Z.. a(16),b(1|
000000b0  36 29 2c 63 28 31 36 29  0d 00 64 0e e3 20 49 3d  |6),c(16)..d.. I=|
000000c0  30 20 b8 20 31 35 0d 00  6e 17 fb 20 49 2c 49 2a  |0 . 15..n.. I,I*|
000000d0  31 37 2c 49 2a 31 37 2c  49 2a 38 2e 35 0d 00 78  |17,I*17,I*8.5..x|
000000e0  22 61 28 49 29 3d 49 2a  31 37 3a 62 28 49 29 3d  |"a(I)=I*17:b(I)=|
000000f0  49 2a 31 37 3a 63 28 49  29 3d 49 2a 38 2e 35 0d  |I*17:c(I)=I*8.5.|
00000100  00 82 05 ed 0d 00 8c 22  de 20 43 25 28 34 29 3a  |.......". C%(4):|
00000110  e3 4e 25 3d 31 b8 34 3a  43 25 28 4e 25 29 3d b3  |.N%=1.4:C%(N%)=.|
00000120  28 31 35 29 3a ed 0d 00  96 29 e3 4e 25 3d 31 b8  |(15):....).N%=1.|
00000130  33 30 30 3a e6 43 25 28  31 29 3a c8 92 20 b3 28  |300:.C%(1):.. .(|
00000140  31 32 38 30 29 2c b3 28  31 30 32 34 29 3a ed 0d  |1280),.(1024):..|
00000150  00 a0 0f f2 46 28 36 34  30 2c 35 31 32 29 0d 00  |....F(640,512)..|
00000160  aa 21 e7 20 b3 28 32 29  3d 31 20 61 64 3d b3 28  |.!. .(2)=1 ad=.(|
00000170  31 36 29 20 8b 20 61 64  3d 2d b3 28 31 36 29 0d  |16) . ad=-.(16).|
00000180  00 b4 21 e7 20 b3 28 32  29 3d 31 20 62 64 3d b3  |..!. .(2)=1 bd=.|
00000190  28 31 36 29 20 8b 20 62  64 3d 2d b3 28 31 36 29  |(16) . bd=-.(16)|
000001a0  0d 00 be 21 e7 20 b3 28  32 29 3d 31 20 63 64 3d  |...!. .(2)=1 cd=|
000001b0  b3 28 31 36 29 20 8b 20  63 64 3d 2d b3 28 31 36  |.(16) . cd=-.(16|
000001c0  29 0d 00 c8 05 f5 0d 00  d2 21 61 28 31 36 29 2b  |)........!a(16)+|
000001d0  3d 61 64 3a 62 28 31 36  29 2b 3d 62 64 3a 63 28  |=ad:b(16)+=bd:c(|
000001e0  31 36 29 2b 3d 63 64 0d  00 dc 1f e7 20 61 64 3e  |16)+=cd..... ad>|
000001f0  30 20 80 20 62 64 3e 30  20 80 20 63 64 3e 30 20  |0 . bd>0 . cd>0 |
00000200  61 64 3d 2d 61 64 0d 00  e6 1f e7 20 61 64 3c 30  |ad=-ad..... ad<0|
00000210  20 80 20 62 64 3c 30 20  80 20 63 64 3c 30 20 63  | . bd<0 . cd<0 c|
00000220  64 3d 2d 63 64 0d 00 f0  29 e7 20 b3 28 31 30 29  |d=-cd...). .(10)|
00000230  3d 31 20 61 64 3d b3 28  31 36 29 3a e7 20 b3 28  |=1 ad=.(16):. .(|
00000240  32 29 3d 31 20 61 64 3d  2d b3 28 31 36 29 0d 00  |2)=1 ad=-.(16)..|
00000250  fa 29 e7 20 b3 28 31 30  29 3d 31 20 62 64 3d b3  |.). .(10)=1 bd=.|
00000260  28 31 36 29 3a e7 20 b3  28 32 29 3d 31 20 62 64  |(16):. .(2)=1 bd|
00000270  3d 2d b3 28 31 36 29 0d  01 04 29 e7 20 b3 28 31  |=-.(16)...). .(1|
00000280  30 29 3d 31 20 63 64 3d  b3 28 31 36 29 3a e7 20  |0)=1 cd=.(16):. |
00000290  b3 28 32 29 3d 31 20 63  64 3d 2d b3 28 31 36 29  |.(2)=1 cd=-.(16)|
000002a0  0d 01 0e 1e e7 20 61 28  31 36 29 3c 30 20 61 28  |..... a(16)<0 a(|
000002b0  31 36 29 3d 30 3a 61 64  3d b3 28 31 36 29 0d 01  |16)=0:ad=.(16)..|
000002c0  18 23 e7 20 61 28 31 36  29 3e 32 35 35 20 61 28  |.#. a(16)>255 a(|
000002d0  31 36 29 3d 32 35 35 3a  61 64 3d 2d b3 28 31 36  |16)=255:ad=-.(16|
000002e0  29 0d 01 22 1e e7 20 62  28 31 36 29 3c 30 20 62  |)..".. b(16)<0 b|
000002f0  28 31 36 29 3d 30 3a 62  64 3d b3 28 31 36 29 0d  |(16)=0:bd=.(16).|
00000300  01 2c 23 e7 20 62 28 31  36 29 3e 32 35 35 20 62  |.,#. b(16)>255 b|
00000310  28 31 36 29 3d 32 35 35  3a 62 64 3d 2d b3 28 31  |(16)=255:bd=-.(1|
00000320  36 29 0d 01 36 1e e7 20  63 28 31 36 29 3c 30 20  |6)..6.. c(16)<0 |
00000330  63 28 31 36 29 3d 30 3a  63 64 3d b3 28 31 36 29  |c(16)=0:cd=.(16)|
00000340  0d 01 40 23 e7 20 63 28  31 36 29 3e 32 35 35 20  |..@#. c(16)>255 |
00000350  63 28 31 36 29 3d 32 35  35 3a 63 64 3d 2d b3 28  |c(16)=255:cd=-.(|
00000360  31 36 29 0d 01 4a 0e e3  20 49 3d 30 20 b8 20 31  |16)..J.. I=0 . 1|
00000370  35 0d 01 54 0f 61 28 49  29 3d 61 28 49 2b 31 29  |5..T.a(I)=a(I+1)|
00000380  0d 01 5e 0f 62 28 49 29  3d 62 28 49 2b 31 29 0d  |..^.b(I)=b(I+1).|
00000390  01 68 0f 63 28 49 29 3d  63 28 49 2b 31 29 0d 01  |.h.c(I)=c(I+1)..|
000003a0  72 16 fb 20 49 2c 61 28  49 29 2c 62 28 49 29 2c  |r.. I,a(I),b(I),|
000003b0  63 28 49 29 0d 01 7c 05  ed 0d 01 86 09 c8 96 3a  |c(I)..|........:|
000003c0  c8 96 0d 01 90 06 fd 30  0d 01 9a 05 e0 0d 01 a4  |.......0........|
000003d0  04 0d 01 ae 0e dd f2 46  28 58 25 2c 59 25 29 0d  |.......F(X%,Y%).|
000003e0  01 b8 31 e7 20 b0 58 25  2c 59 25 29 3d 30 20 e6  |..1. .X%,Y%)=0 .|
000003f0  20 43 25 28 31 29 3a c8  92 20 58 25 2c 59 25 3a  | C%(1):.. X%,Y%:|
00000400  f2 46 31 28 58 25 2c 59  25 2c 34 2c 30 2c 31 29  |.F1(X%,Y%,4,0,1)|
00000410  0d 01 c2 05 e1 0d 01 cc  04 0d 01 d6 1d dd f2 46  |...............F|
00000420  31 28 58 31 25 2c 59 31  25 2c 44 58 25 2c 44 59  |1(X1%,Y1%,DX%,DY|
00000430  25 2c 43 4f 25 29 0d 01  e0 0e ea 20 58 25 2c 59  |%,CO%)..... X%,Y|
00000440  25 2c 46 25 0d 01 ea 11  58 25 3d 58 31 25 3a 59  |%,F%....X%=X1%:Y|
00000450  25 3d 59 31 25 0d 01 f4  2a c8 95 20 b0 58 25 2b  |%=Y1%...*.. .X%+|
00000460  44 58 25 2c 59 25 2b 44  59 25 29 3d 30 20 58 25  |DX%,Y%+DY%)=0 X%|
00000470  2b 3d 44 58 25 3a 59 25  2b 3d 44 59 25 3a ce 0d  |+=DX%:Y%+=DY%:..|
00000480  01 fe 0d e6 20 43 25 28  43 4f 25 29 0d 02 08 0e  |.... C%(CO%)....|
00000490  e7 20 44 58 25 3c 3e 30  20 8c 0d 02 12 1b 73 74  |. DX%<>0 .....st|
000004a0  65 70 3d 94 28 28 28 58  25 2d 58 31 25 29 2f 34  |ep=.(((X%-X1%)/4|
000004b0  29 2f 32 38 29 0d 02 1c  23 e7 20 58 31 25 3c 58  |)/28)...#. X1%<X|
000004c0  25 20 63 68 61 72 6c 69  65 3d 34 20 8b 20 63 68  |% charlie=4 . ch|
000004d0  61 72 6c 69 65 3d 2d 34  0d 02 26 1d 63 6f 6c 3d  |arlie=-4..&.col=|
000004e0  31 3a 63 6f 75 6e 74 3d  30 3a 64 69 72 3d 31 3a  |1:count=0:dir=1:|
000004f0  e6 20 63 6f 6c 0d 02 30  1d e3 20 62 65 72 74 3d  |. col..0.. bert=|
00000500  58 31 25 20 b8 20 58 25  20 88 20 63 68 61 72 6c  |X1% . X% . charl|
00000510  69 65 0d 02 3a 0e c8 92  20 62 65 72 74 2c 59 25  |ie..:... bert,Y%|
00000520  0d 02 44 1c 63 6f 75 6e  74 2b 3d 31 3a e7 20 63  |..D.count+=1:. c|
00000530  6f 75 6e 74 3e 3d 73 74  65 70 20 8c 0d 02 4e 0b  |ount>=step ...N.|
00000540  63 6f 75 6e 74 3d 30 0d  02 58 24 63 6f 6c 2b 3d  |count=0..X$col+=|
00000550  64 69 72 3a e7 20 63 6f  6c 3e 3d 31 34 20 63 6f  |dir:. col>=14 co|
00000560  6c 3d 31 34 3a 64 69 72  3d 2d 31 0d 02 62 17 e7  |l=14:dir=-1..b..|
00000570  20 63 6f 6c 3c 31 20 63  6f 6c 3d 31 3a 64 69 72  | col<1 col=1:dir|
00000580  3d 31 0d 02 6c 0b e6 20  63 6f 6c 2b 31 0d 02 76  |=1..l.. col+1..v|
00000590  05 cd 0d 02 80 05 ed 0d  02 8a 05 cc 0d 02 94 1b  |................|
000005a0  73 74 65 70 3d 94 28 28  28 59 25 2d 59 31 25 29  |step=.(((Y%-Y1%)|
000005b0  2f 34 29 2f 32 38 29 0d  02 9e 23 e7 20 59 31 25  |/4)/28)...#. Y1%|
000005c0  3c 59 25 20 63 68 61 72  6c 69 65 3d 34 20 8b 20  |<Y% charlie=4 . |
000005d0  63 68 61 72 6c 69 65 3d  2d 34 0d 02 a8 1d 63 6f  |charlie=-4....co|
000005e0  6c 3d 31 3a 63 6f 75 6e  74 3d 30 3a 64 69 72 3d  |l=1:count=0:dir=|
000005f0  31 3a e6 20 63 6f 6c 0d  02 b2 1d e3 20 62 65 72  |1:. col..... ber|
00000600  74 3d 59 31 25 20 b8 20  59 25 20 88 20 63 68 61  |t=Y1% . Y% . cha|
00000610  72 6c 69 65 0d 02 bc 0e  c8 92 20 58 25 2c 62 65  |rlie...... X%,be|
00000620  72 74 0d 02 c6 1c 63 6f  75 6e 74 2b 3d 31 3a e7  |rt....count+=1:.|
00000630  20 63 6f 75 6e 74 3e 3d  73 74 65 70 20 8c 0d 02  | count>=step ...|
00000640  d0 0b 63 6f 75 6e 74 3d  30 0d 02 da 24 63 6f 6c  |..count=0...$col|
00000650  2b 3d 64 69 72 3a e7 20  63 6f 6c 3e 3d 31 34 20  |+=dir:. col>=14 |
00000660  63 6f 6c 3d 31 34 3a 64  69 72 3d 2d 31 0d 02 e4  |col=14:dir=-1...|
00000670  17 e7 20 63 6f 6c 3c 31  20 63 6f 6c 3d 31 3a 64  |.. col<1 col=1:d|
00000680  69 72 3d 31 0d 02 ee 0b  e6 20 63 6f 6c 2b 31 0d  |ir=1..... col+1.|
00000690  02 f8 05 cd 0d 03 02 05  ed 0d 03 0c 05 cd 0d 03  |................|
000006a0  16 17 f4 4c 49 4e 45 20  58 31 25 2c 59 31 25 2c  |...LINE X1%,Y1%,|
000006b0  58 25 2c 59 25 0d 03 20  05 f5 0d 03 2a 08 46 25  |X%,Y%.. ....*.F%|
000006c0  3d 30 0d 03 34 0a c8 8e  20 b9 20 ca 0d 03 3e 27  |=0..4... . ...>'|
000006d0  c9 20 b0 58 25 2b 34 2c  59 25 29 3d 30 3a f2 46  |. .X%+4,Y%)=0:.F|
000006e0  31 28 58 25 2c 59 25 2c  34 2c 30 2c 31 29 3a 46  |1(X%,Y%,4,0,1):F|
000006f0  25 3d 31 0d 03 48 27 c9  20 b0 58 25 2c 59 25 2b  |%=1..H'. .X%,Y%+|
00000700  34 29 3d 30 3a f2 46 31  28 58 25 2c 59 25 2c 30  |4)=0:.F1(X%,Y%,0|
00000710  2c 34 2c 32 29 3a 46 25  3d 31 0d 03 52 28 c9 20  |,4,2):F%=1..R(. |
00000720  b0 58 25 2d 34 2c 59 25  29 3d 30 3a f2 46 31 28  |.X%-4,Y%)=0:.F1(|
00000730  58 25 2c 59 25 2c 2d 34  2c 30 2c 33 29 3a 46 25  |X%,Y%,-4,0,3):F%|
00000740  3d 31 0d 03 5c 28 c9 20  b0 58 25 2c 59 25 2d 34  |=1..\(. .X%,Y%-4|
00000750  29 3d 30 3a f2 46 31 28  58 25 2c 59 25 2c 30 2c  |)=0:.F1(X%,Y%,0,|
00000760  2d 34 2c 34 29 3a 46 25  3d 31 0d 03 66 05 cb 0d  |-4,4):F%=1..f...|
00000770  03 70 1a e7 20 46 25 3d  30 20 58 25 2d 3d 44 58  |.p.. F%=0 X%-=DX|
00000780  25 3a 59 25 2d 3d 44 59  25 0d 03 7a 15 fd 20 58  |%:Y%-=DY%..z.. X|
00000790  25 3d 58 31 25 20 80 20  59 25 3d 59 31 25 0d 03  |%=X1% . Y%=Y1%..|
000007a0  84 05 e1 0d ff                                    |.....|
000007a5