Galapagos

Welcome to

Galapagos is an interactive multithreaded Scheme interpreter with turtle graphics for Windows 95. It is built around the SCM interpreter, and it provides multiple interpreters, threads, turtles, and drawing boards, all running concurrently using WIN32's multithreading abilities, and freely available.

Spring 1997

Graduation project

Department of Math & Computer Science,

Ben-Gurion University of the Negev

Written by Elad Eyal and Miki Tebeka.

Supervisor: Dr. Michael Elhadad

TABLE OF CONTENTS

Background

SCHEME
LOGO and Turtle Geometry
Objectives
Avaliability

SCHEME extensions

The New Environment Model
Threads
Consoles
Drawing Boards
Turtles
Interrupts (Notifications) and Message handlers

The interactive GUI
Implementation

Fitting SCM into Windows
Garbage Collection
Boards
Turtles
Vision
Interrupts
Class Organization

Programer's Manual

Environments
Message Queues
Window Commands
Turtle Commands
Vision
Interrupts (Notifications)
Threads

Bibiliography and Links

DOWNLOAD CENTER

GNU LICENSE. COPYRIGHTED. PROVIDED "AS IS". NO WARRANTIES OR LIABILITIES. ETC.

500K gps10bin.zip - Executable and required Scheme libraries (SLIB)
700K gps10src.zip - Same with all source code
400K mfc40dll.zip - You might need this MFC40.DLL if you don't have it already.