[sdiy] keyboard to MIDI

[the-h at mail.utexas.edu]

hey hey hey kids kids kids. I got this idea for a project. The idea goes like 
this. I wire together some RAM some ROM and a processor or some other such 
stuff. I put them in a box with a ps2 port on one end and a 5 pin DIN on the 
other. Plug my computer keyboard into one end and a midi cable into the other 
and use my new "MIDI KEYBOARD" to play at the show! 
   The problem is, beyond soldering the ports to a board, I have no Idea how to 
do this exactly. I was hoping the gurus out there might steer me towards some 
ideas or resources that i might try out. I allready have a book with the MIDI 
code spec in it. One thing i sure need is a way to figure out exactly what the 
computer keyboard is sending. And another is some help on what kind of circuits 
and chips and dips i will need to translate between the two codes.