> No, 444-19 is PAM-8, for the H-8. The MTR series roms are > different, but > they do have compatible entry points so they work with H-8 software. Steven, in my H-89 assembly manual, 444-19 is the "H-17 ROM". Did Heath have different ROMs with the same part number? Patrick -- Delivered by the SEBHC Mailing List