My work project requires the use of a 65(C)02 'C' compiler. I've tried the IAR and Avocet demos. I like the AVR's IDE and its debugger (supports inline ASM code listing). I'm concerned that its not being kept up to-date as the documentation is dated 1997 and the last updates to it were made in 2001. The Avocet compiler is dated 2003 but is 'clunkier' to use (like trying to get it to single-step into the debugger).

Two questions:
1. Are there any other (better) supported (as in I can call someone up if/when I have a technical issue) 'C' compilers out there?
2. What experiences (good/bad) have you had with the commercial 'C' compilers?

It's not commercial, but have you looked into trying out CC65?

The list for it gets decent traffic, and there have been many new versions, and it appears quite flexible as long as you are willing to write a few base drivers in assembly (ie: output / input handlers)

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-Tony
KG4WFX