Re: PET 2001 phosphor - blue or white?

From: william degnan <billdegnan_at_gmail.com>
Date: Tue, 13 Sep 2016 13:01:36 -0400
Message-ID: <CABGJBuf=tgyoPe0LO1EZpcsz2RW4om-_iHWS9UbL9E3jTr709A@mail.gmail.com>
this?
http://vintagecomputer.net/commodore/2001-8/2001-8_sn20343.jpg

On Tue, Sep 13, 2016 at 1:03 PM, Anders Carlsson <anders.carlsson@sfks.se>
wrote:

> Hello,
>
> Every now and then, there is a discussion about how come so few computer
> monitors in the earlier generations had a blue display. The green and later
> on amber monochrome monitors were very common, before the introduction of
> colour displays.
>
> White on black also seems to have been quite common, which leads me to my
> question:
>
> On Wikipedia, as well as the PET FAQ maintained by Larry Andersson, it is
> said that the first line of PET 2001 had a blue on black display. I always
> thought that was white on black, but if you bring down the brightness and
> have less lighting around the computer, it will glow and look light blue.
>
> It is said that many reviews and publications back in the day referred to
> the display as blue on black, and that if you increase the brightness, you
> get a display so bright that text will look white instead of blue.
>
> I seem to recall though that VICE defaults to green, with optional
> palettes for amber and white, never blue.
>
> What does the monitor itself look like, can one based on which phosphorous
> used determine which hue it is supposed to be? If it just was Wikipedia +
> hundreds of pages quoting it that had got it wrong, I wouldn't mind but if
> one of our own FAQ's contain information that could be questioned, it makes
> me curious.
>
> Best regards
>
> Anders Carlsson
>
>
>
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>


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Received on 2016-09-13 18:01:26

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