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Re: Simple programming query

From Rick Murray <Rick@bogus.email.address>
Newsgroups comp.sys.acorn.programmer
Subject Re: Simple programming query
Date 2018-01-13 11:16 +0100
Organization Untidy
Message-ID <56b9b38ce5Rick@bogus.email.address> (permalink)
References <42169e6d-3096-4930-8c88-e7b69efc9c2c@googlegroups.com> <f45bb6b856.Alan.Adams@ArmX6.adamshome.org.uk> <9bcd3908-45b3-4aca-bdff-461a2903488f@googlegroups.com> <c7a1799e-efd3-4b58-9bac-8c3aa34b8327@googlegroups.com> <56b96cd21fbasura@invalid.addr.uk>

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In article <56b96cd21fbasura@invalid.addr.uk>,
   Richard Ashbery <basura@invalid.addr.uk> wrote:

> TINT keyword. This gives 256 possible colour variations (64 different
> colours multiplied by 4 shades). Although the TINT keyword can handle
> 256 variations it only has 4 distinct levels.....

You can see this semi-visually by looking at the default Paint palette for
a 256 colour sprite, where the colours are displayed in groups of four
(tints).

Boring code of how it works here:
https://www.riscosopen.org/viewer/view/~checkout~/castle/RiscOS/Sources/Apps/Paint/c/Colours?rev=4.8

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Thread

Simple programming query xltardy@gmail.com - 2018-01-11 03:05 -0800
  Re: Simple programming query Alan Adams <alan@adamshome.org.uk> - 2018-01-11 12:11 +0000
    Re: Simple programming query xltardy@gmail.com - 2018-01-11 06:01 -0800
    Re: Simple programming query jgh@mdfs.net - 2018-01-11 09:24 -0800
      Re: Simple programming query xltardy@gmail.com - 2018-01-11 10:15 -0800
        Re: Simple programming query Richard Ashbery <basura@invalid.addr.uk> - 2018-01-12 21:24 +0000
          Re: Simple programming query Rick Murray <Rick@bogus.email.address> - 2018-01-13 11:16 +0100
            Re: Simple programming query xltardy@gmail.com - 2018-03-01 23:09 -0800
              Re: Simple programming query Rick Murray <Rick@bogus.email.address> - 2018-03-02 22:45 +0100
                Re: Simple programming query xltardy@gmail.com - 2018-04-07 00:38 -0700
                Re: Simple programming query David Feugey <dfeugey@riscos.fr> - 2018-04-07 13:50 +0200
                Re: Simple programming query xltardy@gmail.com - 2018-04-09 11:40 -0700
                Re: Simple programming query David Feugey <dfeugey@riscos.fr> - 2018-04-10 08:31 +0200
                Re: Simple programming query druck <news@druck.org.uk> - 2018-04-09 21:05 +0100

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