About z/XDC:

ColeSoft Marketing's Extended Debugging Controller^®, z/XDC^®, is a powerful interactive diagnostic tool for Assembler Language programmers. z/XDC greatly improves the efficiency of problem recognition and resolution in machine language environments.

David Cole, ColeSoft Marketing's founder and architect of z/XDC, built the product for the systems level programmer. From the very beginning, Dave designed z/XDC to work in authorized environments, to debug multitasking code, and to perfect SVCs, system modifications, and exit routines.

Dave began building debugging tools nearly 27 years ago when he became frustrated with TSO TEST. Since then, he has steadily improved and enhanced the product to its level today. Throughout the process, Dave has drawn great ideas from z/XDC's user community, some of the most sophisticated programmers in the world.

The great majority of z/XDC's users are themselves software vendors or Fortune 500 companies that maintain complex, low-level, applications written in Assembler Language. These users choose z/XDC because of its unmatched power and flexibility.

Assembler programming is an extremely tedious and abstract process. Our users have embraced z/XDC enthusiastically because it allows them to see on their screens what, without z/XDC, they can only imagine in their minds. z/XDC brings visual reality to the abstraction of Assembler programming.

ColeSoft Marketing is an Advanced Business Partner in the IBM^® PartnerWorld^® program.