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P/+Rand1
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 » Personal collection » Acorn ADFS disks » Electron_User_Group » EUG_30.ADF |
| Filename: | P/+Rand1 |
| Read OK: | ✔ |
| File size: | 0338 bytes |
| Load address: | 2B206576 |
| Exec address: | 646E6152 |
File contents
Cardiff
10 January 1997
Dear Gus
Random Numbers
Followint recent discussions about random numbers I have found the
following few lines of BASIC quite useful in generating random numbers
and/or Lottery type sequences. It appears fairly random without using the
X=RND(-TIME) finction.
10 DIM N%(49)
20 CLS
30 FOR I%= 1 TO 49
40 N%(I%)=I%
50 NEXT
60 FOR I%= 49 TO 2 STEP -1
70 C%= RND(I%)
80 T%=N%(C%)
90 N%(C%)=N%(I%)
100 N%(I%)=T%
110 NEXT
120:
130 FOR I%=1 TO 6
140 PRINT N%(I%)
150 NEXT
Z88 TRANSFERS
Dave Holden of APDL, 39 Knighton Park Road, Sydenham, London. SE26 5RN
Tel. 0181-778-2659 <info@apdl.co.uk> holds various PD progs for both the
Z88 and the NC100 in his library.
Cheers and a belated Blwyddyn Newydd Dda
D E Williams
00000000 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 | | * 00000020 20 20 20 20 20 20 20 20 43 61 72 64 69 66 66 0d | Cardiff.| 00000030 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 | | * 00000050 20 20 20 20 20 20 20 20 20 31 30 20 4a 61 6e 75 | 10 Janu| 00000060 61 72 79 20 31 39 39 37 0d 0d 44 65 61 72 20 47 |ary 1997..Dear G| 00000070 75 73 0d 0d 52 61 6e 64 6f 6d 20 4e 75 6d 62 65 |us..Random Numbe| 00000080 72 73 0d 0d 46 6f 6c 6c 6f 77 69 6e 74 20 72 65 |rs..Followint re| 00000090 63 65 6e 74 20 64 69 73 63 75 73 73 69 6f 6e 73 |cent discussions| 000000a0 20 61 62 6f 75 74 20 72 61 6e 64 6f 6d 20 6e 75 | about random nu| 000000b0 6d 62 65 72 73 20 49 20 68 61 76 65 20 66 6f 75 |mbers I have fou| 000000c0 6e 64 20 74 68 65 0d 66 6f 6c 6c 6f 77 69 6e 67 |nd the.following| 000000d0 20 66 65 77 20 6c 69 6e 65 73 20 6f 66 20 42 41 | few lines of BA| 000000e0 53 49 43 20 71 75 69 74 65 20 75 73 65 66 75 6c |SIC quite useful| 000000f0 20 69 6e 20 67 65 6e 65 72 61 74 69 6e 67 20 72 | in generating r| 00000100 61 6e 64 6f 6d 20 6e 75 6d 62 65 72 73 0d 61 6e |andom numbers.an| 00000110 64 2f 6f 72 20 4c 6f 74 74 65 72 79 20 74 79 70 |d/or Lottery typ| 00000120 65 20 73 65 71 75 65 6e 63 65 73 2e 20 49 74 20 |e sequences. It | 00000130 61 70 70 65 61 72 73 20 66 61 69 72 6c 79 20 72 |appears fairly r| 00000140 61 6e 64 6f 6d 20 77 69 74 68 6f 75 74 20 75 73 |andom without us| 00000150 69 6e 67 20 74 68 65 0d 58 3d 52 4e 44 28 2d 54 |ing the.X=RND(-T| 00000160 49 4d 45 29 20 66 69 6e 63 74 69 6f 6e 2e 0d 0d |IME) finction...| 00000170 31 30 20 44 49 4d 20 4e 25 28 34 39 29 0d 32 30 |10 DIM N%(49).20| 00000180 20 43 4c 53 0d 33 30 20 46 4f 52 20 49 25 3d 20 | CLS.30 FOR I%= | 00000190 31 20 54 4f 20 34 39 0d 34 30 20 4e 25 28 49 25 |1 TO 49.40 N%(I%| 000001a0 29 3d 49 25 0d 35 30 20 4e 45 58 54 0d 36 30 20 |)=I%.50 NEXT.60 | 000001b0 46 4f 52 20 49 25 3d 20 34 39 20 54 4f 20 32 20 |FOR I%= 49 TO 2 | 000001c0 53 54 45 50 20 2d 31 0d 37 30 20 43 25 3d 20 52 |STEP -1.70 C%= R| 000001d0 4e 44 28 49 25 29 0d 38 30 20 54 25 3d 4e 25 28 |ND(I%).80 T%=N%(| 000001e0 43 25 29 0d 39 30 20 4e 25 28 43 25 29 3d 4e 25 |C%).90 N%(C%)=N%| 000001f0 28 49 25 29 0d 31 30 30 20 4e 25 28 49 25 29 3d |(I%).100 N%(I%)=| 00000200 54 25 0d 31 31 30 20 4e 45 58 54 0d 31 32 30 3a |T%.110 NEXT.120:| 00000210 0d 31 33 30 20 46 4f 52 20 49 25 3d 31 20 54 4f |.130 FOR I%=1 TO| 00000220 20 36 0d 31 34 30 20 50 52 49 4e 54 20 4e 25 28 | 6.140 PRINT N%(| 00000230 49 25 29 0d 31 35 30 20 4e 45 58 54 0d 0d 5a 38 |I%).150 NEXT..Z8| 00000240 38 20 54 52 41 4e 53 46 45 52 53 0d 0d 44 61 76 |8 TRANSFERS..Dav| 00000250 65 20 48 6f 6c 64 65 6e 20 6f 66 20 41 50 44 4c |e Holden of APDL| 00000260 2c 20 33 39 20 4b 6e 69 67 68 74 6f 6e 20 50 61 |, 39 Knighton Pa| 00000270 72 6b 20 52 6f 61 64 2c 20 53 79 64 65 6e 68 61 |rk Road, Sydenha| 00000280 6d 2c 20 4c 6f 6e 64 6f 6e 2e 20 53 45 32 36 20 |m, London. SE26 | 00000290 35 52 4e 0d 54 65 6c 2e 20 30 31 38 31 2d 37 37 |5RN.Tel. 0181-77| 000002a0 38 2d 32 36 35 39 20 3c 69 6e 66 6f 40 61 70 64 |8-2659 <info@apd| 000002b0 6c 2e 63 6f 2e 75 6b 3e 20 68 6f 6c 64 73 20 76 |l.co.uk> holds v| 000002c0 61 72 69 6f 75 73 20 50 44 20 70 72 6f 67 73 20 |arious PD progs | 000002d0 66 6f 72 20 62 6f 74 68 20 74 68 65 0d 5a 38 38 |for both the.Z88| 000002e0 20 61 6e 64 20 74 68 65 20 4e 43 31 30 30 20 69 | and the NC100 i| 000002f0 6e 20 68 69 73 20 6c 69 62 72 61 72 79 2e 0d 0d |n his library...| 00000300 43 68 65 65 72 73 20 61 6e 64 20 61 20 62 65 6c |Cheers and a bel| 00000310 61 74 65 64 20 42 6c 77 79 64 64 79 6e 20 4e 65 |ated Blwyddyn Ne| 00000320 77 79 64 64 20 44 64 61 0d 0d 44 20 45 20 57 69 |wydd Dda..D E Wi| 00000330 6c 6c 69 61 6d 73 0d 0d |lliams..| 00000338
P/+Rand1.m0
P/+Rand1.m1
P/+Rand1.m2
P/+Rand1.m4
P/+Rand1.m5
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