Program Execution Control Commands

abort

( -- )

Abort current execution and interpret keyboard commands. 

abort" ccc"

( abort? -- )

If flag is true, abort and display message. 

eval

( adr len -- )

Interpret Forth source from an array.  

execute

( xt -- )

Execute the word whose execution token is on the stack. 

exit

( -- )

Return from the current word. (Cannot be used in counted loops.) 

quit

( -- )

Same as abort, but leave stack intact.