Difference between revisions of "Active Video Line MSB Register"
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m (5 revisions imported) |
m (Ped7g moved page Raster Line MSB Register to Active Video Line MSB Register: sync with "nextreg.txt" terminology) |
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Revision as of 08:46, 27 April 2020
| Number | $1E |
|---|---|
| Readable | Yes |
| Writable | No |
| Short Description | Holds the MSB (only, as bit 0) of the raster line currently being drawn. |
The low 8 bit part of the raster line number is in Active Video Line LSB Register ($1F).
The line coordinates use coordinate system of Copper coprocessor, i.e. line 0 is the first line of pixels.