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how do you program a psp?

 I've been trying to program to psp to access the Ir port. i am trying to make a spy mike it works by making a laser bounce of a window and hit the Ir port of the psp the sound waves vibrate the window creating slight diffrences in the voltage generated by the phototransister now i need to convert that to sond on the psp except i have no idea how to program the psp i dont know anything about c++ but i've been programming in visual basic 2008 for a while now does anybody have any ideas on programs or codes i could use 

lemonie7 years ago
Do you know what OS the PSP uses, and how the ports work?

L
lj123456 (author)  lemonie7 years ago
 it uses custom firmware but i don't know how the ports work.