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Reply To: Nintendo 64 De-blur

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#12514

awe444
Participant

Glad I could help—and apparently there’s a more general rule for all consoles with exact clock rates listed on the pineight table:

DOTS_PER_LINE = CLOCK_RATE / LINE_RATE = CLOCK_RATE / (N * 4500000 / 286)

where N=1 for 240p/480i, N=2 for 480p. That is, the actual number of lines (263, 525, etc.) cancels out of the equation, since the NTSC signal’s line rate is itself a standard specification. I’m assuming here that any hardware with a custom clock rate need only have a custom dot-per-line value, whereas the line rate is presumably standard across hardware. From what I observe the OSSC reporting on its LCD for different consoles, that does seem to be true, but please share if you know or discover otherwise