I just published a new Encyclopedia writeup on the Seibu Kaihatsu SPI platform:
https://jammarcade.net/seibu-kaihatsu-spi/
And I should have mentioned in my first post the other three writeups I've done so far. They are:
Cave CV1000
Irem M92
Sega System 16B
As some of you may already know, I recently assumed hosting and webmaster responsibilities for JAMMArcade.net from Porchy. I decided to kick off my new role by introducing what I believe will be a useful resource for arcade repair technicians - an Arcade PCB Encyclopedia.
I have long admired...
Unfortunately the CPS-A custom chip has a very high failure rate and typically vertical lines through the graphics occurs when its on its way out.
You can get a replacement donor from another CPS1 A board or from a CPS2 A Board - a donor from a CPS2 will likely last longer.
There is a CPS1...
version 1.1 2015-06-24
- improved selftest for motherboards MV1F/MV1FS (this fixes a reset bug that happens on some systems)
- fixed demo sound DIP switch handling
- improved CMVS support allowing to add credits in BIOS MVS mode with select button (requires SOFT DIP setting 'OPERATION' set to...
I’ve been scrounging for some quality Shmup Time all month and I finally was able to squeeze some in today. I’m glad I was able to get a score in under the wire!
ShootTheCore - 116,140 - Stage 3 - PCB