Turtle Graphics in BASIC | Apple II | RTB

Many years ago (40+) I learned about Turtle Graphics, so implemented my own Turtle Graphics interpreter in Applesoft BASIC on the Apple II. Here I revisit it, remember just how slow it was and show my built-in implementation in my RTB BASIC interpreter. Contents: 00:00 Introduction 01:20 Booting the Apple II 02:20 Turtle Commands 03:28 Drawing a square 05:20 Drawing a circle 06:52 Drawing 8 circles 10:26 Drawing polygons 11:54 RTB - Return to Basics - a modern Basic 12:50 Typing turtle commands 13:25 Program to draw a square 15:00 Draw 8 squares 16:10 Draw a circle 18:47 Draw 8 circles 19:50 Turtle animation? 20:07 Animating 4 spirals