Have you tried looking at Sectorforth? In most languages branching is a fundamental construct, it's created here (with comments) https://github.com/cesarblum/

Have you tried looking at Sectorforth? In most languages branching is a fundamental construct, it's created here (with comments) https://github.com/cesarblum/sectorforth/blob/master/examples/01-helloworld.f https://github.com/cesarblum/sectorforth/blob/master/example... Effectively IF compiles a 0= ie. If false and then a dummy target address. THEN (aka ENDIF) compiles the real target address over the dummy one, which is the address after THEN.