Overview
TELON is an application development system currently sold and maintained by CA Technologies (formerly CA, Inc. and Computer Associates International, Inc.). When it was introduced in 1981, it was one of the first computer-aided software engineering ("CASE") tools on the commercial market. The developer tools run on IBM's MVS operating systems using TSO (IBM's Time Sharing Option) and personal computers ("PCs") running MS-Windows and the target environments include IMS and CICS transaction processing systems. TELON supported multiple database technologies, including IBM's VSAM, IMS/DB, DB2, plus Cullinet's IDMS.
TELON is an application code generator that uses macros to generate COBOL, COBOL/II, or PL/I code that can run natively in the target environment without run-time proprietary code. Developers create screen designs in the TELON Design Facility (TDF) and define attributes for the screen. The design can then be run through a prototyper to test screen flow. Next, macros generate the code using the information created by the TDF. Lastly, the TELON Test Facility is used, in conjunction with code debuggers, to search for and fix bugs before the application is moved into production.
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