home
***
CD-ROM
|
disk
|
FTP
|
other
***
search
/
The PC-SIG Library 10
/
The PC-Sig Library - Shareware for the IBM PC and Compatibles (PC-SIG)(Tenth Edition Disks 1-2804)(1991).iso
/
PC_SIGCD
/
02
/
1
/
DISK0217.ZIP
/
LETTER
< prev
next >
Wrap
Text File
|
1985-01-21
|
4KB
|
134 lines
RICHARD N. WISAN
37 Clinton Street
Oneonta, NY 13820
December 23, 1984
PC Software Interest Group
Suite #130
1556 Halford Ave.
Santa Clara, CA 95051
Dear PC-SIG:
Here's a disk with two batches of programs on it. The first
group contains an implementation of the Wa-Tor world program
described in A. K. Dewdney's "Computer Recreations" column in the
Scientific American, December, 1984, pp. 14-22. It's a simu-
lation of predator-prey interaction which allows the user to spe-
cify various parameters, run a simulation which displays the
motions of the critters on the screen, and finally print out a
graph and/or a table showing the results. If you want to include
it on one of your disks, the descriptions should run as follows:
WA-TOR.COM Predator-prey simulation (Sci. Amer. Dec., 1984)
WA-TOR.000 Overlays used by WA-TOR.COM
WA-TOR.PAS Turbo Pascal source code for WA-TOR
WA-TOR.DOC Documentation for WA-TOR
To get the best out of these programs, one should be running
DOS 2 with its GRAPHICS command, and one should be using a
color/graphics board. Without these, one would not get the graph
display or printout, but the program does run on a monochrome
board with text monitor, and it will run under DOS 1.1 (though
without the graphic printout). It runs fine on a Compaq, but I
can't speak for other "PC clones." I've used overlays to keep
the RAM requirements small. I believe it will run on 64K and
certainly it will run on 96K.
The second batch is a set of copies of my NELIST programs I
sent you last August. I note that your most recent supplement to
the Directory, you are including the ELIST programs I'd sent you
earlier. Those programs have several bugs, which is why I sent
you NELIST. The present versions have been working just fine for
me, and I wish you'd substitute them for the ELIST programs on
Disk No 217, and call it v2. The descriptions should run thus:
NELIST.COM Turbo Pascal source lister--underlines key words etc.
NEPRN.DAT Printer control data for NELIST
RESWORDS.TXT Key word file for NELIST
NEINST.COM Installation program to create NEPRN.DAT
NELIST.PAS Source code for NELIST
NEINST.PAS Source code for NEINST
NELIST.DOC Documentation for NELIST
Page 2
These programs and descriptions should replace ALL of the ELIST,
ELISTPRN, and ELISTINS programs on Disk 217.
If you want to send me something in return for these, I'd
appreciate a copy of Disk No 26 with the book index programs.
Sincerely,
R. N. Wisan