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

( acf -- ) 

Execute the word whose code field address is on the stack. 

exit

( -- ) 

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

quit

( -- ) 

Same as abort, but leave stack intact.