Posted By
Csabo
on 2024-01-29
18:58:21
|  Re: A "new" question that is older than the road
"Luminance" is the term the good ol' Commodore Plus/4 Users Guide uses all the way back in 1984, so we're using that as well. It does refer to brightness. In this context, it's the same thing.
The highest bit for luminance, in normal hires mode is used for flashing. (Example: $32 is red, $B2 is the exact same red, but flashing.)
In graphics mode, this bit is ignored, it means and does nothing.
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