M.B. Feldman and E.B. Koffman, Ada 95 Problem Solving and Program Design, 3rd edition.
Copyright 1999, Addison-Wesley Publishing Company
NOTE: These programs should compile and execute properly
using the GNAT Ada compiler and development environment.
This is the prevalent current Ada development system, and
is available as a free download, distributed under the GNU
General Public License, from http://libre.adacore.com.
Windows, Linux, and Mac OS X implementations are
The Spider package and associated examples will compile
under all implementations. The resulting executable
programs will behave properly under Mac OS X and Linux.
Spider programs will probably not look correct when executed on Windows computers. The Spider package depends for cursor placement upon a Windows system file called ANSI.SYS, which Microsoft appears to have discontinued in recent Windows versions. I have tried unsuccessfully to find a suitable substitute.
last modified June 11, 2013