However, like many powerful tools in the software world, the Hi-Tech C Compiler 983 came with a price tag that not everyone could afford. This led to a cat-and-mouse game between the creators of the compiler and those seeking to use it without paying. Among these, a group known only by their handle "Top" gained notoriety.
It integrates directly into the Microchip MPLAB® IDE and is compatible with various debuggers and emulators. User Sentiment and Stability using older versions of HI-TECH C compiler - Google Groups
and no longer supported by Microchip. It has been replaced by the Availability : You can still find Version 9.83 in the Microchip Software Archives Legal "Free" Version : The compiler features a built-in