Recent content by wickerwaka

  1. W

    In this thread we build the projects that others have shared - PicoRom is a DIP32 ROM/EPROM emulator that you can program on the fly with a USB cable

    Let me know how the build goes! The design is optimized for size over everything else so it uses a lot of small and sometimes hard to find components. I have never tried to assemble one myself and I'm pretty confident I would fail if I tried. I switched to a 6-layer PCB after struggling to route...
  2. W

    Taito B-system/F1/F2: Video brightness/black level issues

    I've been looking at the TC0260DAR for my F2 MiSTer core (https://github.com/MiSTer-devel/Arcade-TaitoF2_MiSTer) and I discovered something might be relevant to this discussion. It seems like the 260DAR supports two different black levels and the setting is controlled by pin 74 on the IC. When...
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    CPS1 Multi. Official Thread

    Porting the fixes back to MAME is something I would like to do at some point but have not been able to make the time for yet. The MAME implementation is actually really good. It doesn't replicate how the buffer, palette and object memory is handled which has no impact as far as I can tell. The...
  4. W

    Gunforce conversion to Gunforce II (IREM M92)

    I know this is an old thread but wanted to update some of the info here based on my own research. A Gunforce rom board can not (easily) be converted to Gunforce 2 because GF2 uses memory banking. Major Title 2, Ninja Baseball Bat Man and Dream Soccer '94 also use memory banking. The memory...
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