Here's an updated image of the TV timing, taken from the Stella Programming Guide. Some of the numbers should make sense, now. The ones that don't... we'll cover those soon.
Image credit: Andrew Davie
Have a good look at this image, and try and understand what it's showing. Your understanding of this will greatly assist your '2600 programming efforts, especially when it comes to designing your kernel.
Related
see Stella Programmer's Guide
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