psp as a MIPS assembly learning platform

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Hello Everybody,

I was thinking of buying a psp 3004. Other than playing games occassionally, I intend to use it as a real MIPS assembly programming hardware, and to learn how a real embedded (MIPS based in this case) hardware works (booting and all).

Could you point me to a suitable tutorial that will show me step by step how to write my first MIPS assembly program to print a character on the screen of the psp (or something similar), assemble it, transfer the binary to psp and get it running there.

Thanks in advance for your help.

Regards,
Santanu Chatterjee