The challenge
An older business application built in CBASIC needed to remain usable as its underlying technology changed. Its modular and overlay-based structures made the work more involved than a simple recompile.
The work
I supported the application through several technology generations: CBASIC to CB86, then Minnow Bear BASIC, and later C++. I analyzed existing business logic, adapted legacy code structures, preserved application behavior and data handling, and troubleshot compatibility issues throughout each transition.
Technologies
CBASIC, CB86, Minnow Bear BASIC, C++, MAGSAM, Btrieve/Xtrieve, TurboDOS, MSDOS, Windows.
Outcome
The application's core business logic and workflows were preserved while it moved to more maintainable technology, extending its useful life and reducing reliance on obsolete platforms.
1 like · 5 views · Oct 21, 2026
Modernizing a legacy business application across multiple technology generations while preserving its workflows and data handling.
