: H HERE @ ; : -^ SWAP - ; : +! SWAP OVER @ + SWAP ! ; : ALLOT HERE +! ; : , H ! 2 ALLOT ; : C, H C! 1 ALLOT ; : BEGIN H ; IMMEDIATE : AGAIN ['] (bbr) , H -^ C, ; IMMEDIATE : NOT 1 SWAP SKIP? EXIT 0 * ; : ( BEGIN LITS ) WORD SCMP NOT SKIP? AGAIN ; IMMEDIATE ( Hello, hello, krkrkrkr... do you hear me? Ah, voice at last! Some lines above need comments BTW: Forth lines limited to 64 cols because of default input buffer size in Collapse OS NOT: a bit convulted because we don't have IF yet IF true, skip following (fbr). Also, push br cell ref H, to PS ) : IF ['] SKIP? , ['] (fbr) , H 1 ALLOT ; IMMEDIATE ( Subtract TOS from H to get offset to write to IF or ELSE's br cell ) : THEN DUP H -^ SWAP C! ; IMMEDIATE ( write (fbr) addr, allot, then same as THEN ) : ELSE ['] (fbr) , 1 ALLOT DUP H -^ SWAP C! H 1 - ; IMMEDIATE : ? @ . ; : VARIABLE CREATE 2 ALLOT ; : CONSTANT CREATE H ! DOES> @ ; : = CMP NOT ; : < CMP 0 1 - = ; : > CMP 1 = ;