Just curious. Hehe, I was thinking about this the other day and now I'm wondering what all you fellow coders out there have done. So what's the HARDEST most complicated program you've written? It doesn't have to be efficient, heck, it can all be spaghetti code.
The hardest thing I've coded was a DOS text editor written all in assembly. Parts of it were in Turbo Pascal 7.0, but it was used to call assembly libraries.
The second was a program, also written in assembly language and pascal that converted a text file to an EXE file, encrypted it, and password protected it (it had a login interface). It had some weird features like playing a song (an actual WAV sample) through the PC speaker while controlling the LEDs in the CD-ROM drive, Floppy, and Scroll/Caps/Number Lock (It made them flash like Christmas lights).
The shortest program I've ever written compiled to two bytes. Yes, two bytes. If anyone can beat that, let me know because there is only 1 program in the world that can have a size like that. =) Anyone care to guess what it did?