Terminal control/Cursor movement: Difference between revisions

 

The following example assumes we are using a terminal that accepts ANSI escape codes. It defines the ANSI codes as Forth words with a markup language look. With this code compiled into the Forth system, the commands are used like native Forth commands.

DECIMAL

 

( Define ANSI Forth names for these functions using our markup words)

: AT-XY ( col row -- ) SWAP <CUP> ;

Rosetta Task

<lang forth>( move the cursor one position to the left) 1 <CUB>

( move the cursor to the top left corner of the screen) 1 1 <CUP>

( move the cursor to the bottom right corner of the screen) 80 24 <CUP>

 

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