Comments (7)
From memory, the stability of the ATTINY85 clock and problematic. The best solution is to use an arduino pro mini.
Or the https://github.com/kalymos/PsNee/blob/AttyNee/PsNee.ino branch, and built for ATTINY.
For more explanation the forum http://www.psxdev.net/forum/viewtopic.php?f=47&t=1262&start=480 is the best place.
happy New Year.
from psnee.
Thank you! and happy New Year to you!!
from psnee.
from psnee.
Kalymos thank you so much for your support. I realised the wires were not used in my case, since I have a PU-18.
Anyway I switched all the project to the ATMEGA328P@8Mhz since I knew it was tested.
But I still can't make it work. Here's a short video of what happens.
https://youtu.be/xi_hyOTYIg8
It starts, injects and after a while enter in a loop where the optical track do not proceed. After few calibrations to the hysteresis that's the furthest I could get...
I also thought there's a problem with my laser drive but I tested an audio CD in different areas of the disc and all went pretty smoothly. Also I tried the same burnt CD with MGS disc1 on another PS1 with the 12c508 I installed 20 yrs ago and worked perfectly.
Any clue?
from psnee.
The chip works just fine, but your laser/drive/electronics have lots of trouble reading the disk.
Note: Once you see the black PS screen with a burned copy, you know that a modchip is working ;)
from psnee.
that's what I thought, I have to clean and repair the optical drive.
Thanks, I'll let you know and eventually switch back to attiny85 (which worked as well up to that point) so we can put a TESTED on the SCPH5502.
from psnee.
Hi there, just a quick one to update on the issue here.
The PSX I was working SCPH5502 on had serious issues related to the CD DSP. I tried on a SCPH 7502 (PU-22) with an ATTINY85 and it works perfectly.
Thanks for your support.
from psnee.
Related Issues (20)
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