This is CVASM/SPASM. Parallax created this 8051-like language. We (TechTools) support it with=20 our CVASM16. Read about it at: www.tech-tools.com/cvasm16.htm There is a download link at the top of that page. Jerry At 08:16 AM 11/5/01, you wrote: >Hello! > > >OK! Here is a part of the code >RD_ENCDR.SRC > > >chk_encoder mov new, encoder > and new, #00000011b > mov temp, new > xor temp, old > jz :return > clc > rl old > xor old, new > jb old.1, :up >:down dec counter > skip >:up inc counter > and counter, #00001111b > mov old, new >:return ret > >My question are : What language is this? > > >Regards >=C5keN > >-- >http://www.piclist.com hint: The PICList is archived three different >ways. See http://www.piclist.com/#archives for details. Jerry Merrill jerrym@tech-tools.com http://www.tech-tools.com FAX: (972) 494-5814 VOICE:(972) 272-9392 TechTools PO Box 462101 Garland, TX 75046-2101 Join our PICmicro MCU discussion list at http://www.tech-tools.com/picsource.htm Subscribe to our MONTHLY news letter at mailto:newsletter-request@tech-tools.com?subject=3Dsubscribe -- http://www.piclist.com hint: The PICList is archived three different ways. See http://www.piclist.com/#archives for details.