On 7/26/24 11:54 PM, Tim via users wrote:
On Fri, 2024-07-26 at 13:16 -0600, home user via users wrote:
3 bits codes 8 colors: the 3 primaries, the 3 secondaries, white, and
black. 4 bits (1 nibble) adds 8 more colors: a dark version each of
the 8 3-bit colors. All goes back decades, to primitive color
devices.
There are two oddities in it, though: While obviously you can have
dark or bright red. What do you do with white (111) and black (000)?
Do you get two different greys to go with them? ;-) Yes, supposedly,
but I remember that some terminals did odd things.
I'm highly confident that 0111 was gray. I don't know/recall what 1000 was
used for.
Same as, you might use the annoying flashing ANSI code, but various
terminals allowed you to disable it. So, when you wrote something
alert people to pay attention to flashing, or grey text, you had to be
aware that not everyone was going to see that. Not to mention that
there were still people using monochrome monitors.
It's years since I played with ANSI (I used to run a dial-in BBS).
(general)
I, too, believe most boot-time messages are
* keeping us informed of boot process progress (I like that); and
* recording information and context to maintainers (and us).
I knew these before opening the thread. But it's clear that that's not always
the case. As I noted in this thread's opening post, I had not seen
tealish-colored messages in the boot screen before, and it seemed important to
ask how to recover those messages after logging in.
--
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