Berkeley Logo: Difference between revisions
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|long description=This is the freeware cross-platform Berkeley Logo interpreter. It has a traditional Logo interface (one turtle, a triangle). The XO port is still in development so it has a lot of rough edges, but it's usable. |
|long description=This is the freeware cross-platform Berkeley Logo interpreter. It has a traditional Logo interface (one turtle, a triangle). The XO port is still in development so it has a lot of rough edges, but it's usable. |
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|activity source=http://sourceforge.net/svn/?group_id=25943 |
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Revision as of 00:49, 11 January 2009
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Berkeley Logo (UCBLogo) is a free, GPL interpreter for the Logo programming language. It runs in an XO activity window, but isn't yet Sugarized in other ways, such as using the Journal.
Quick graphical examples
When UCBLogo first starts up the screen is fully taken up by the interactive text input area. When you issue your first graphic instruction the screen will automatically split into a graphic and text input area. Here's some simple example instruction to try, case is insensitive:
HELP "FORWARD
Now you know how to get help on a command:
FORWARD 100 RIGHT 90 FORWARD 100 RIGHT 90 FORWARD 100 RIGHT 90 FORWARD 100 RIGHT 90
Or for less typing use a repeat loop:
REPEAT 4 [FORWARD 100 RIGHT 90]
Or make it a procedure:
TO square REPEAT 4 [FORWARD 100 RIGHT 90] END square
Re-edit a procedure you've created with:
EDIT "square
To wipe the graphics screen type:
CLEARSCREEN
User documentation
- user manual as plain ASCII text file
- usermanual as nicely-formatted HTML
- usermanual as nice-looking PDF
Internal documentation
See also
Activity Summary