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Cumpstey1

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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    1REM     >cumpstey1
    2REM By  Mike Cumpstey
    3REM For 32-bit machines
    4REM (c) July 1993
    5REM  1. First player values a move using one step minimax procedure
    6REM  2. Second player values a move according to ratio of pieces
    7REM       left following life rule
    8REM  3. Move chosen at random from best candidates
    9PRINT "These are Mike�s Winning Life for 2 routines"
   10PRINT "and are included here for interested parties"
   11PRINT "only - you can�t run them. yet. Next month"
   12PRINT "we hope to bring you a desktop Life for 2"
   13PRINT "player v computer game..."
   14END
   15:
   16DEFFNcumpstey1(board%,player%,turn%,size%,first%,left%)
   17IF turn%=-1 THEN PROCcumpstey1_init:=0
   18LOCAL base%(),around%(),major%(),pin%,value%,maxval%,best%,nbest%
   19DIM base%(cumpstey1_area%-1),around%(cumpstey1_area%-1),major%(cumpstey1_area%-1)
   20FOR pin%=0 TO cumpstey1_area%-1
   21 base%(pin%)=board%?pin%
   22NEXT
   23IF turn%<3 THEN =FNcumpstey1_rand
   24IF player%<>first% THEN =FNcumpstey1_one(player%,TRUE)
   25maxval%=-9999
   26FOR pin%=0 TO cumpstey1_area%-1
   27 IF base%(pin%)=0 THEN
   28  base%(pin%)=player%
   29  value%=-FNcumpstey1_one(3-player%,FALSE)
   30  IF value%=maxval% THEN nbest%+=1:IF RND(nbest%)=nbest% THEN best%=pin%
   31  IF value%>maxval% THEN nbest%=1:maxval%=value%:best%=pin%
   32  base%(pin%)=0
   33 ENDIF
   34NEXT
   35=best%
   36
   37
   38DEFPROCcumpstey1_life
   39LOCAL pin%,point%,count%(),both%,k%
   40DIM count%(2)
   41FOR pin%=0 TO cumpstey1_area%-1
   42 count%()=0
   43 FOR point%=0 TO 7
   44  count%(base%(cumpstey1_step%(pin%,point%)))+=1
   45 NEXT
   46 both%=count%(1)+count%(2):k%=0
   47 IF base%(pin%)=0 THEN
   48  IF both%=3 THEN k%=2+(count%(1)>count%(2))
   49 ELSE
   50  IF both%=2 OR both%=3 THEN k%=base%(pin%)
   51 ENDIF
   52 around%(pin%)=both%:total%(k%)+=1
   53 IF count%(player%)+1>count%(3-player%) THEN major%(pin%)=player% ELSE major%(pin%)=3-player%
   54NEXT
   55ENDPROC
   56
   57
   58DEFFNcumpstey1_one(player%,type%)
   59LOCAL pin%,value%,maxval%,best%,now%,sum%(),total%(),u%,b%,c%
   60DIM sum%(2),total%(2)
   61PROCcumpstey1_life
   62maxval%=-9999
   63FOR pin%=0 TO cumpstey1_area%-1
   64 IF base%(pin%)=0 THEN
   65  sum%()=total%()
   66  FOR point%=0 TO 7
   67   u%=cumpstey1_step%(pin%,point%)
   68   b%=base%(u%):c%=major%(u%)
   69   CASE around%(u%) OF
   70    WHEN 1:sum%(b%)+=1
   71    WHEN 2:IF b%=0 THEN sum%(c%)+=1
   72    WHEN 3:IF b%=0 THEN sum%(c%)-=1 ELSE sum%(b%)-=1
   73   ENDCASE
   74  NEXT
   75  CASE around%(pin%) OF
   76   WHEN 2:sum%(player%)+=1
   77   WHEN 3:IF major%(pin%)<>player% THEN sum%(player%)+=1:sum%(3-player%)-=1
   78  ENDCASE
   79  value%=(sum%(player%)*16+1)DIV(sum%(3-player%)*2+1)
   80  IF value%=maxval% THEN nbest%+=1:IF RND(nbest%)=nbest% THEN best%=pin%
   81  IF value%>maxval% THEN nbest%=1:maxval%=value%:best%=pin%
   82 ENDIF
   83NEXT
   84IF type% THEN =best% ELSE =maxval%
   85
   86
   87DEFFNcumpstey1_rand
   88REPEAT pin%=RND(cumpstey1_area%)-1:UNTIL base%(pin%)=0
   89=pin%
   90
   91
   92DEFPROCcumpstey1_init
   93LOCAL x%,y%,dx%,dy%,p%,s%,@%
   94REM @%=9:VDU14
   95cumpstey1_area%=size%*size%
   96DIM cumpstey1_step%(cumpstey1_area%-1,7)
   97FOR x%=0 TO size%-1
   98 FOR y%=0 TO size%-1
   99  s%=0
  100  p%=x%+size%*y%
  101  FOR dx%=-1 TO 1
  102   FOR dy%=-1 TO 1
  103    IF dx%<>0 OR dy%<>0 THEN
  104     cumpstey1_step%(p%,s%)=(x%+dx%+size%)MODsize%+size%*((y%+dy%+size%)MODsize%)
  105     s%+=1
  106    ENDIF
  107   NEXT
  108  NEXT
  109 NEXT
  110NEXT
  111ENDPROC
  112
  113
  114
�     >cumpstey1
� By  Mike Cumpstey
� For 32-bit machines
� (c) July 1993
E�  1. First player values a move using one step minimax procedure
B�  2. Second player values a move according to ratio of pieces
$�       left following life rule
4�  3. Move chosen at random from best candidates
	4� "These are Mike�s Winning Life for 2 routines"

4� "and are included here for interested parties"
2� "only - you can�t run them. yet. Next month"
1� "we hope to bring you a desktop Life for 2"

!� "player v computer game..."
�
:
8ݤcumpstey1(board%,player%,turn%,size%,first%,left%)
#� turn%=-1 � �cumpstey1_init:=0
A� base%(),around%(),major%(),pin%,value%,maxval%,best%,nbest%
S� base%(cumpstey1_area%-1),around%(cumpstey1_area%-1),major%(cumpstey1_area%-1)
 � pin%=0 � cumpstey1_area%-1
 base%(pin%)=board%?pin%
�
 � turn%<3 � =�cumpstey1_rand
2� player%<>first% � =�cumpstey1_one(player%,�)
maxval%=-9999
 � pin%=0 � cumpstey1_area%-1
 � base%(pin%)=0 �
  base%(pin%)=player%
)  value%=-�cumpstey1_one(3-player%,�)
B  � value%=maxval% � nbest%+=1:� �(nbest%)=nbest% � best%=pin%
;  � value%>maxval% � nbest%=1:maxval%=value%:best%=pin%
   base%(pin%)=0
! �
"�
#
=best%
$
%
&��cumpstey1_life
'#� pin%,point%,count%(),both%,k%
(� count%(2)
) � pin%=0 � cumpstey1_area%-1
* count%()=0
+ � point%=0 � 7
,4  count%(base%(cumpstey1_step%(pin%,point%)))+=1
- �
.# both%=count%(1)+count%(2):k%=0
/ � base%(pin%)=0 �
0,  � both%=3 � k%=2+(count%(1)>count%(2))
1 �
2*  � both%=2 � both%=3 � k%=base%(pin%)
3 �
4& around%(pin%)=both%:total%(k%)+=1
5Z � count%(player%)+1>count%(3-player%) � major%(pin%)=player% � major%(pin%)=3-player%
6�
7�
8
9
:"ݤcumpstey1_one(player%,type%)
;=� pin%,value%,maxval%,best%,now%,sum%(),total%(),u%,b%,c%
<� sum%(2),total%(2)
=�cumpstey1_life
>maxval%=-9999
? � pin%=0 � cumpstey1_area%-1
@ � base%(pin%)=0 �
A  sum%()=total%()
B  � point%=0 � 7
C&   u%=cumpstey1_step%(pin%,point%)
D!   b%=base%(u%):c%=major%(u%)
E   Ȏ around%(u%) �
F    � 1:sum%(b%)+=1
G     � 2:� b%=0 � sum%(c%)+=1
H.    � 3:� b%=0 � sum%(c%)-=1 � sum%(b%)-=1
I   �
J  �
K  Ȏ around%(pin%) �
L   � 2:sum%(player%)+=1
MH   � 3:� major%(pin%)<>player% � sum%(player%)+=1:sum%(3-player%)-=1
N  �
O7  value%=(sum%(player%)*16+1)�(sum%(3-player%)*2+1)
PB  � value%=maxval% � nbest%+=1:� �(nbest%)=nbest% � best%=pin%
Q;  � value%>maxval% � nbest%=1:maxval%=value%:best%=pin%
R �
S�
T� type% � =best% � =maxval%
U
V
Wݤcumpstey1_rand
X/� pin%=�(cumpstey1_area%)-1:� base%(pin%)=0
Y	=pin%
Z
[
\��cumpstey1_init
]� x%,y%,dx%,dy%,p%,s%,@%
^� @%=9:VDU14
_cumpstey1_area%=size%*size%
`*� cumpstey1_step%(cumpstey1_area%-1,7)
a� x%=0 � size%-1
b � y%=0 � size%-1
c
  s%=0
d  p%=x%+size%*y%
e  � dx%=-1 � 1
f   � dy%=-1 � 1
g    � dx%<>0 � dy%<>0 �
hQ     cumpstey1_step%(p%,s%)=(x%+dx%+size%)�size%+size%*((y%+dy%+size%)�size%)
i     s%+=1
j	    �
k   �
l  �
m �
n�
o�
p
q
r
�
00000000  0d 00 01 14 f4 20 20 20  20 20 3e 63 75 6d 70 73  |.....     >cumps|
00000010  74 65 79 31 0d 00 02 17  f4 20 42 79 20 20 4d 69  |tey1..... By  Mi|
00000020  6b 65 20 43 75 6d 70 73  74 65 79 0d 00 03 19 f4  |ke Cumpstey.....|
00000030  20 46 6f 72 20 33 32 2d  62 69 74 20 6d 61 63 68  | For 32-bit mach|
00000040  69 6e 65 73 0d 00 04 13  f4 20 28 63 29 20 4a 75  |ines..... (c) Ju|
00000050  6c 79 20 31 39 39 33 0d  00 05 45 f4 20 20 31 2e  |ly 1993...E.  1.|
00000060  20 46 69 72 73 74 20 70  6c 61 79 65 72 20 76 61  | First player va|
00000070  6c 75 65 73 20 61 20 6d  6f 76 65 20 75 73 69 6e  |lues a move usin|
00000080  67 20 6f 6e 65 20 73 74  65 70 20 6d 69 6e 69 6d  |g one step minim|
00000090  61 78 20 70 72 6f 63 65  64 75 72 65 0d 00 06 42  |ax procedure...B|
000000a0  f4 20 20 32 2e 20 53 65  63 6f 6e 64 20 70 6c 61  |.  2. Second pla|
000000b0  79 65 72 20 76 61 6c 75  65 73 20 61 20 6d 6f 76  |yer values a mov|
000000c0  65 20 61 63 63 6f 72 64  69 6e 67 20 74 6f 20 72  |e according to r|
000000d0  61 74 69 6f 20 6f 66 20  70 69 65 63 65 73 0d 00  |atio of pieces..|
000000e0  07 24 f4 20 20 20 20 20  20 20 6c 65 66 74 20 66  |.$.       left f|
000000f0  6f 6c 6c 6f 77 69 6e 67  20 6c 69 66 65 20 72 75  |ollowing life ru|
00000100  6c 65 0d 00 08 34 f4 20  20 33 2e 20 4d 6f 76 65  |le...4.  3. Move|
00000110  20 63 68 6f 73 65 6e 20  61 74 20 72 61 6e 64 6f  | chosen at rando|
00000120  6d 20 66 72 6f 6d 20 62  65 73 74 20 63 61 6e 64  |m from best cand|
00000130  69 64 61 74 65 73 0d 00  09 34 f1 20 22 54 68 65  |idates...4. "The|
00000140  73 65 20 61 72 65 20 4d  69 6b 65 91 73 20 57 69  |se are Mike.s Wi|
00000150  6e 6e 69 6e 67 20 4c 69  66 65 20 66 6f 72 20 32  |nning Life for 2|
00000160  20 72 6f 75 74 69 6e 65  73 22 0d 00 0a 34 f1 20  | routines"...4. |
00000170  22 61 6e 64 20 61 72 65  20 69 6e 63 6c 75 64 65  |"and are include|
00000180  64 20 68 65 72 65 20 66  6f 72 20 69 6e 74 65 72  |d here for inter|
00000190  65 73 74 65 64 20 70 61  72 74 69 65 73 22 0d 00  |ested parties"..|
000001a0  0b 32 f1 20 22 6f 6e 6c  79 20 2d 20 79 6f 75 20  |.2. "only - you |
000001b0  63 61 6e 91 74 20 72 75  6e 20 74 68 65 6d 2e 20  |can.t run them. |
000001c0  79 65 74 2e 20 4e 65 78  74 20 6d 6f 6e 74 68 22  |yet. Next month"|
000001d0  0d 00 0c 31 f1 20 22 77  65 20 68 6f 70 65 20 74  |...1. "we hope t|
000001e0  6f 20 62 72 69 6e 67 20  79 6f 75 20 61 20 64 65  |o bring you a de|
000001f0  73 6b 74 6f 70 20 4c 69  66 65 20 66 6f 72 20 32  |sktop Life for 2|
00000200  22 0d 00 0d 21 f1 20 22  70 6c 61 79 65 72 20 76  |"...!. "player v|
00000210  20 63 6f 6d 70 75 74 65  72 20 67 61 6d 65 2e 2e  | computer game..|
00000220  2e 22 0d 00 0e 05 e0 0d  00 0f 05 3a 0d 00 10 38  |.".........:...8|
00000230  dd a4 63 75 6d 70 73 74  65 79 31 28 62 6f 61 72  |..cumpstey1(boar|
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00000280  69 6e 69 74 3a 3d 30 0d  00 12 41 ea 20 62 61 73  |init:=0...A. bas|
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00000350  64 25 3f 70 69 6e 25 0d  00 16 05 ed 0d 00 17 20  |d%?pin%........ |
00000360  e7 20 74 75 72 6e 25 3c  33 20 8c 20 3d a4 63 75  |. turn%<3 . =.cu|
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000003a0  6f 6e 65 28 70 6c 61 79  65 72 25 2c b9 29 0d 00  |one(player%,.)..|
000003b0  19 11 6d 61 78 76 61 6c  25 3d 2d 39 39 39 39 0d  |..maxval%=-9999.|
000003c0  00 1a 20 e3 20 70 69 6e  25 3d 30 20 b8 20 63 75  |.. . pin%=0 . cu|
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00000420  70 73 74 65 79 31 5f 6f  6e 65 28 33 2d 70 6c 61  |pstey1_one(3-pla|
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00000440  61 6c 75 65 25 3d 6d 61  78 76 61 6c 25 20 8c 20  |alue%=maxval% . |
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00000460  65 73 74 25 29 3d 6e 62  65 73 74 25 20 8c 20 62  |est%)=nbest% . b|
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00000490  8c 20 6e 62 65 73 74 25  3d 31 3a 6d 61 78 76 61  |. nbest%=1:maxva|
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000005e0  00 30 2c 20 20 e7 20 62  6f 74 68 25 3d 33 20 8c  |.0,  . both%=3 .|
000005f0  20 6b 25 3d 32 2b 28 63  6f 75 6e 74 25 28 31 29  | k%=2+(count%(1)|
00000600  3e 63 6f 75 6e 74 25 28  32 29 29 0d 00 31 06 20  |>count%(2))..1. |
00000610  cc 0d 00 32 2a 20 20 e7  20 62 6f 74 68 25 3d 32  |...2*  . both%=2|
00000620  20 84 20 62 6f 74 68 25  3d 33 20 8c 20 6b 25 3d  | . both%=3 . k%=|
00000630  62 61 73 65 25 28 70 69  6e 25 29 0d 00 33 06 20  |base%(pin%)..3. |
00000640  cd 0d 00 34 26 20 61 72  6f 75 6e 64 25 28 70 69  |...4& around%(pi|
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000006d0  00 39 04 0d 00 3a 22 dd  a4 63 75 6d 70 73 74 65  |.9...:"..cumpste|
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00000730  63 25 0d 00 3c 17 de 20  73 75 6d 25 28 32 29 2c  |c%..<.. sum%(2),|
00000740  74 6f 74 61 6c 25 28 32  29 0d 00 3d 13 f2 63 75  |total%(2)..=..cu|
00000750  6d 70 73 74 65 79 31 5f  6c 69 66 65 0d 00 3e 11  |mpstey1_life..>.|
00000760  6d 61 78 76 61 6c 25 3d  2d 39 39 39 39 0d 00 3f  |maxval%=-9999..?|
00000770  20 e3 20 70 69 6e 25 3d  30 20 b8 20 63 75 6d 70  | . pin%=0 . cump|
00000780  73 74 65 79 31 5f 61 72  65 61 25 2d 31 0d 00 40  |stey1_area%-1..@|
00000790  16 20 e7 20 62 61 73 65  25 28 70 69 6e 25 29 3d  |. . base%(pin%)=|
000007a0  30 20 8c 0d 00 41 15 20  20 73 75 6d 25 28 29 3d  |0 ...A.  sum%()=|
000007b0  74 6f 74 61 6c 25 28 29  0d 00 42 14 20 20 e3 20  |total%()..B.  . |
000007c0  70 6f 69 6e 74 25 3d 30  20 b8 20 37 0d 00 43 26  |point%=0 . 7..C&|
000007d0  20 20 20 75 25 3d 63 75  6d 70 73 74 65 79 31 5f  |   u%=cumpstey1_|
000007e0  73 74 65 70 25 28 70 69  6e 25 2c 70 6f 69 6e 74  |step%(pin%,point|
000007f0  25 29 0d 00 44 21 20 20  20 62 25 3d 62 61 73 65  |%)..D!   b%=base|
00000800  25 28 75 25 29 3a 63 25  3d 6d 61 6a 6f 72 25 28  |%(u%):c%=major%(|
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00000bff