It was originally an 8-bit PNG using all 256-colors, so nerr

Re: HumanCompiler: Close. Judging by various aspects of the program and Microsoft's own history of .NET development I'd say ildasm in its current form (obviously they'd have had an even more primitive version for development and CIL inspection during the dev stages for the CLR) was written sometime around 2001 (it remains visually unchanged since the version that came with VS2002). I reckon it dates back to 2000 at the earliest, so you're 2 years off

Re: littleguru: yes, but when you're in a rush you don't have the time to manually read the CIL directly.