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0ff2612c7c
- Board Detection: Added 300ms stabilization delay to filter PU-7/20 power-up noise and sync with PU-22+ oscillating signals. - Injection: Added conditional break to allow single-region selection and updated WFCK modulation for 7.3/14.6 kHz compatibility. - Logic: Optimized sector filtering using bitmask (0xD0) and improved hysteresis tracking for Standard and SCPH-5903 models. - Code Quality: Standardized nomenclature (subqBuffer, hysteresis, pulseCounter) and added comprehensive English documentation. - Performance: Reduced binary size by optimizing loops and variable types.
PSNee V8.7
THE modechip supports the largest number of Playstation 1 variants, and the largest number of microcontrollers
For all useful information consult the 
Features
- Remove Disk Region Protection
- Patch BIOS
- A specific library for card support, to solve the fuse setting problem.
- The mode does not take care of changing PAL <-> NTSC video output (in other words if you use a Japanese console and you put European games, or in older European models you use American or Japanese games... the display will not be correct)
Supported Playstation 1
All US models, all European models, and the vast majority of Japanese models.
Supported platforms
- ATmega328(A/P/PA) @16Mhz
- ATmega168(A/P/PA) @16Mhz
- Atmega32U4 @16Mhz
- ATtiny25/45/85 @8Mhz no BIOS patch!
Model that I personally tested
Example of gray image
