Active Video Line (LSB) Register

From SpecNext Wiki
Revision as of 17:32, 13 October 2025 by Xalior (talk | contribs) (Xalior moved page Active Video Line LSB Register to Active Video Line (LSB) Register: match formal nextreg.txt name)
(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)
Jump to: navigation, search
Number TBRegisterNumber::$1F
Readable TBRegisterReadable::Yes
Writable TBRegisterWritable::No
Short Description ShortDesc::Holds the eight LSBs of the raster line currently being drawn.

The MSB of the raster line is in {{#ask: TBRegisterNumber::$1E }} ($1E).

The line coordinates use coordinate system of Copper coprocessor, i.e. line 0 is the first line of pixels.

Since core 3.1.5 the numbering of lines can be offseted by {{#ask: TBRegisterNumber::$64 }} ($64).