Quote:
Originally Posted by mark_k
For NTSC Amigas the high-res pixel clock is 4 times the NTSC subcarrier frequency, i.e. 4×315/88 = 315/22 MHz.
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Ah, so that's where 28,636,360/2 comes from. Thanks!
Quote:
Originally Posted by mark_k
The 44:52 NTSC aspect ratio reported by AmigaOS is further from the correct value than 43:50, but still fairly close.
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That's the mystery. If 44:52 is an approximation, why choose a poor approximation over a better one? I'd love to know how they derived 44:52. Maybe 44 is some kind of magic number since they also use 44:44 instead of 1:1.