For those of you with an original Ketsui pcb, you may have noticed or may have already known about the ROM bug, or what's known as the 'free play' glitch. This is an error in the code when you hit start during the 'DEMONSTRATION' screen, where game takes control of your ship and flies it to its death with no sounds and the game locks. This can be easily reset by powering down your board or by opening up the test menu and exiting back out.
Here is a link to a Shmups! forum topic adressing the same thing: http://shmups.system11.org/viewtopic.php?t=5123]
The good news is that there is a fix available for those who didn't get the pcb repaired by Cave originally.
http://southtown-homebrew.com/product_info.php?cPath=205&products_id=832&osCsid=b89e67424b8e1cff1f2354fdda6971e7
Southtown makes a ROM chip that fixes the bug. I just ordered mine and I will update once I receive the chip and try it out.
Thanks to rtw for the knowledge.
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