Recent content by alfa75

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Update first post

Add Puzzle World (Afega)

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Double Dragon 3 The Rosetta Stone (Technos) SOLD Add Dig Dug (Namco) Add Moon Cresta (SEGA) Add Thunder Hoop (Gaelco)

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Add G.I. Joe (Konami)

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pm for Pre-jamma board pack(untested)

It’s actually not a real colour version. The adapter interprets the different grayscale levels as colours. For Player 1 they all appear completely white, while for Player 2 they show up in different shades of gray. It also looks like something on the graphics board was modified (the blue...

It also makes a difference in B/W mode. Even without the colour overlay, you can clearly see the grayscale shades on Player 2. The adapter I’m using is the one from Corrado Tomaselli, and it supports both colour and B/W operation. Because of that, the adapter itself shouldn’t be responsible for...

Hi everyone, I’m currently working on a Taito Space Invaders Part II PCB and ran into a video issue that I hope someone here might recognize. The problem is related to the grayscale/color output when using the adapter. For Player 1, all shades appear only in white — there are no grayscale...