Difference between revisions of "Global Transparency Register"

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|Readable=Yes
 
|Readable=Yes
 
|Writable=Yes
 
|Writable=Yes
|ShortDesc=Sets the color treated as transparent when drawing layer 2.
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|ShortDesc=Sets the "transparent" colour for Layer 2, ULA and LoRes pixel data.
 
}}
 
}}
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Transparency color value (0xE3 after a reset).
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This value is 8-bit only, so the transparency is compared only by the MSB bits of the final colour.
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This only affects Layer 2, ULA and LoRes. Sprites use {{NextRegNo|$4B}} for transparency.

Revision as of 01:42, 21 December 2018

Number $14
Readable Yes
Writable Yes
Short Description Sets the "transparent" colour for Layer 2, ULA and LoRes pixel data.


Transparency color value (0xE3 after a reset).

This value is 8-bit only, so the transparency is compared only by the MSB bits of the final colour.

This only affects Layer 2, ULA and LoRes. Sprites use Sprites Transparency Index Register ($4B) for transparency.