S19 (Motorola S19 File Record)
The S19 Developer file format
S19 files were developed by Motorola, a telecommunications company. They contain machine code on a very low level and are used to address other already compiled programs. The S19 file itself contains simple text that contains binary data that has been hexadecimal coded.
Technical details of S19 files
S19 files are structured in a particular way. There is one record only in each line and each record starts with a capital “S”. After the “S”, there is either a “1” or a “9”, depending on whether the record contains data or if the record is the last one of the file. Thus the name S19.