README.txt

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Nick Major 0879292 CIS2500 Assignment 2 / Logo 02/13/15

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This is an interpreter for a small subset of the Logo Programming Language. The interpreter takes user input one line at a time and produces correct output. This program provides logo-style error messages if the user provides incorrect input.

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Compilation

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make (this makes the Makefile)

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Running the program(s)

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• cd Directory bin/
• ./runMe

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Known Limitations

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• negative moves
• user input length
• only 50 commands per use
• saving

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Commands

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Command number description fd move - moves in the positive x or y direction depending on the angle bk move - moves in the negative x or y direction depending on the angle rt angle - rotates current angle clockwise around the unit circle lt angle - moves current angle counter-clockwise around the unit circle pu (n/a) - turtle doesn’t draw behind it pd (n/a) - turtle draws behind it ht (n/a) - the turtle is no longer drawn st (n/a) - the turtle is drawn home (n/a) - resets the turtles position to the starting position setpencolor color - pen can change to blue, red, green, or yellow clean (n/a) - erases all of the pen lines print ____ - prints whatever is in the blank space less than 15 characters new (n/a) - resets the program