| 1. | In NTSC, 4-bit symbols are encoded in groups of 8 scan lines.
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| 2. | Ancillary data can be located in non-picture portions of horizontal scan lines.
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| 3. | Finally, identical adjacent scan lines are efficiently encoded by simply skipping them.
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| 4. | The value ranges from 0 to the ANTIC Mode line's scan line height-1.
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| 5. | Also, a nominal scan line has three targets it must cover.
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| 6. | Placement at the top or bottom of the disk gives horizontal scan lines.
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| 7. | The value returned is the actual scan line divided by 2.
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| 8. | This number of scan lines is controlled with the VSCROL register.
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| 9. | ANTIC retrieves data and updates CTIA / GTIA every scan line.
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| 10. | They share the process of rendering images using Scan Line Interleave, or SLI.
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