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PAL / NTSC switching by jumper simply works by pulling down pin 41 (_TEST) for NTSC which is otherwise pulled up internally (PAL). On the 500 you can create the same effect by slightly bending the socket contact (for PAL). Some 8375 ignore this signal and therefore are not hardware switchable.Why CSG even bothered producing two different chips when they already had an established way of preselecting the mode would be a good question. As would be why the made so many different versions of Agnus...
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Topic: Mini Megi chip (Read 2283 times)
