1 \ Words for controlling terminal colours via ANSI escape sequences
3 : escape 27 emit [char] [ emit ;
4 : escape-end [char] m emit ;
10 escape emit [char] 0 + emit escape-end
14 escape [char] 0 escape-end
18 escape [char] 1 emit escape-end
37 \ fg red ( set fg colour to red )
38 \ bg green ( set bg colour to green )
39 \ bold ( use a bold font )
40 \ reset-term ( return everything to normal )