Enhanced ULA Control Register

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Revision as of 18:19, 6 October 2017 by wiki>Hyphz
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Number $43
Readable No
Writable Yes
Short Description Enables or disables ULANext interpretation of attribute values and toggles active palette.


Bit Function
7 Reserved
6 Select normal (0) or second (1) palette to read/write
4-5 Select ULA (00), Layer 2 (01) or sprite (10) palette to read/write
3 Enable second palette on Sprites
2 Enable second palette on Layer 2
1 Enable second palette on ULANext
0 Enable ULANext attributes