Seriously. If someone PM's me a link for simple code, I'll post a picture of it hashing. If I fall into a pit of boredom I'll even bum the code so the SHA256 runs on the 56001 DSP. That should get a few more dozen hashes/second...
C
(Edit: I have a card like that in my pile somewhere. From a Dual systems UNIX system; wait! I could compile the bitcoin stack on my DEC Professional/380! I wonder if it will fit in 64kb of memory or if I have to break it into segments and swap....)