K405
Professional
So I'm having fun with my ST-V multi playing Radiant Silvergun in my Sega Blastcity (Horizontal). Decided to give it a go in my Namco Class of 1981 (Vertical) cabinet. So I loaded Shienryu and it runs great but the screen orientation is up side down (flipped) 
So I went through all the menu options but there doesn't seem to be an option to flip the screen anywhere in the system menu. Yes, there's the V/H option but that doesn't help me. As I'd rather not tamper with the hardware to flip the image, turning the tube 180 or swapping yoke wires, made me wonder if it's possible to hack the Shienryu ROM files to get the games to run upside down. 
So I went through all the menu options but there doesn't seem to be an option to flip the screen anywhere in the system menu. Yes, there's the V/H option but that doesn't help me. As I'd rather not tamper with the hardware to flip the image, turning the tube 180 or swapping yoke wires, made me wonder if it's possible to hack the Shienryu ROM files to get the games to run upside down.
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