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Re:How early 8-bit arcade machines differed in design from 8... by axilmar on Wednesday October 10, 2018 @09:47AM (#18184774)
64 bytes per scan line X 200 scan lines = 12,800 bytes.

1,000,000 / 12,800 = 78.125

i.e. frame rate = 78 frames per second could be updated with that speed.

I am sure 78 frames per second are not really desirable, so the resolution could actually be doubled per scan line:

128 bytes per scan line X 200 scan lines = 25,600

1,000,000 / 25,600 = 39 frames per second.

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