Saturn Smart Reset Button - Region/Frequency/Multi-BIOS Switchless Mod

Hi everyone,

I'm sharing a mod project I've been working on: Saturn Smart Reset Button.
It's based on Seb's Saturn Switchless Mod (2004), but expands it significantly with features like:
  • Multi-BIOS support with bankswitching (2 or 4 banks using A18 and A19)
  • RGB LED feedback for region and BIOS indication
  • Compatible with retail BIOS, region-free BIOS, or the console's original onboard BIOS
  • Supports 29F800, 29F1610, 27C800, and 27C160 programmable ROM chips for multi-BIOS
  • Ported to XC8, compatible with PIC16F630 and PIC16F676
Documentation, wiring diagrams, and precompiled .hex files are available on GitHub:

https://github.com/Electroanalog/SAT-SRB

Feedback is welcome. Let me know what you think.
 
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