Dear All, ORG.Mod: In FJump(), we have Put3(BC, 7, L); it means, L is offset which occupies 24 bits. But in FixLink() we see L1 := code[L] MOD 40000H; Why we extract only 18 bits to L1? With thanks and best regards, Yours sincerely, Srinivas Nayak Home: http://www.mathmeth.com/sn/ Blog: http://srinivas-nayak.blogspot.in/