The Hogg Blog

Envisaging the Future by Reflecting on the Past

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  • Blog Post: Turtle Graphics Update

    It is that time of the year again – thanksgiving. So that of course means I need to update the version of Turtle Graphics that I posted a year ago to test out Oslo. Turtle Graphics was a Logo like programming language created in the early 1980's as a means of introducing novices and children to programming...
  • Blog Post: Oslo MGrammar Turtle Graphics for VS2008

    My colleague Joshy Joseph reminded me that the MGrammar based Turtle Graphics parser that I posted here was for VS2010. I have attached a newer version of the solution that Joshy coverted to run in VS2008. I noticed that Doug Finke has also done the same thing whilst also creating a couple of additional...
  • Blog Post: Creating a Logo / Turtle Graphics Textual DSL using Oslo MGrammar

    In the early 1980's a programming language called Turtle Graphics was used as a means of introducing novices to programming on the BBC Microcomputer . Turtle graphics, a graphical version of Logo, helped introduce people to programming using a simple functional language that provided instant visual gratification...
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