Changes

Headings; images to come
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In progress.
 
In progress.
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* Start is the main procedure
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* The Start action is the main procedure
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* Setup defines and initializes variables, and sets the orientation of the turtle
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* The Setup action defines and initializes variables, and sets the orientation of the turtle
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* Tape writes the initial tape. User can change values in repeat statements to change arguments.
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* The Tape action writes the initial tape. User can change values in repeat statements to change arguments.
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* Program writes the program table
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* The Program action followed by the stack1 action writes the program table line by line. This is divided in two so that the segments fit in the Turtle Art workspace
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* The Execute action carries out the next program step until the halt state is reached
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* The ToTape action Move turtle to current cell on tape
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* The ToProgram action Move Turtle to beginning of current program row to execute
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* The WriteCell action Write current color to current cell, and move to next cell
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* The WriteSymbol action Write current color in cell without moving
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* The ReadPixel action Read RGB values of pixel to stack, pop to variables
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* The SetValue action Find value of cell symbol from RGB numbers
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* The SetMove action Read next Move direction from program table
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* The SetSymbol action Read next Symbol to write from program table
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* The SetState action Read next State from program table
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* The NewCell action Move left or right and set cell number of new location
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* The Log action Write Step number, Symbol, Move, State, Cell number on new log line in black, saving and restoring
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