+sramirez2008 Posted October 29, 2020 Share Posted October 29, 2020 42 minutes ago, Trebor said: Mateos requires a headerless ROM with the correct respective file extension. Please try this one: Danger Zone Alpha5bc (POKEY 4000).48P 48 kB · 4 downloads *EDIT: Depending on when a particular Matoes cart was obtained and/or if it was updated, the cart may (not) support the needed format: The below spoilers contains a list of the extensions and formats that should be supported by all Matoes carts: Reveal hidden contents Final note...All extensions have to be in upper caser letters. Darn! Guess I don't have the right one. Downloaded your ROM and it still behaves the same. The splash screen displays with the plane flying by, without sound and only the Pause button works (black & white). Quote Link to comment Share on other sites More sharing options...
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