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Free Educational Tool for Beginner LOGO Coding (STEM Students / Kids)
...INSTANT ON / OFF = Turns on / off immediate execution of commands
FD x = Forward x pixels
BK x = Backward x pixels
RT x = Right by x degrees
LT x = Left by x degrees
PU = Pen Up (Do not draw)
PD = Pen Down (Draw)
REPEAT x = Creates a loop to run x times which runs any commands within the loop. Place END or ] when closing loop.
END or ] = Closes a REPEAT loop. (can be nested)
PEN x = Color of pen (0 - 9)
SETBG x = Color of background (0 - 9)
CS - Clear screen
CT - Center Turtle (Return to Home position)
RUN = Runs the current list of commands shown on screen
DELETE / DEL = Clears the command list
RESET = Clears commands and resets your Turtle
SAVE filename = Saves a png of the working graphic to your documents folder
QUIT
Buggy C language implementation of my BIF 6809 variant of fig-FORTH. May be interesting to programmers with C background who want to understand the high-level version of the low-level of FORTH. Those requiring a functioning FORTH should look elsewhere.
(The releases are usually out of date. Best to browse the code repository and download the latest snapshot.)
There is now a basic how-to to get you started in the [wiki].
(The OSDN mirror at http://sourceforge.jp/projects/bif-c/ is becoming inaccessible.)