This section lists all currently defined module types. These codes must appear in the second byte of the sixteen byte module header. Some of those defined below are not supported at all by the internal software but are used by ISBASIC or other cartridge software. Those which are supported by EXOS or the built in devices are printed in bold.
00. ASCII file
01. Reserved for ISFORTH
02. User relocatable module
03. Multiple ISBASIC program
04. Single ISBASIC program
05. New applications program
06. Absolute system extension
07. Relocatable system extension
08. Editor document file
09. Reserved for ISLISP
10. End of file module