Difference between revisions of "Active Video Line MSB Register"

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(Created page with "{{NextRegister |Number=30 |Readable=Yes |Writable=No }}")
 
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{{NextRegister
 
{{NextRegister
|Number=30
+
|Number=$1E
 
|Readable=Yes
 
|Readable=Yes
 
|Writable=No
 
|Writable=No
 +
|ShortDesc=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 {{NextRegNo|$1F}}.
 +
 +
The line coordinates use coordinate system of [https://gitlab.com/thesmog358/tbblue/blob/master/docs/extra-hw/copper/COPPER-v0.1c.TXT Copper coprocessor], i.e. line 0 is the first line of pixels.

Revision as of 10:00, 14 April 2019

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.