Dave Park wrote:
I have heard there is a simple "colour composite video mod" but after
extensive googling I have not found it. Does anyone have details of
this mod, to get me through until I can locate a working old school
TTL RGB monitor?
I have restarted work on a couple of games I was writing before the
heatwave and drought made it too pleasant to be outside ;)
There are a couple of articles by Richard Cooke, Marcel Flipse and Bob
Gilder on my website at http://www.dilwyn.me.uk/docs/hardware/index.html
which show various calculations required for video mods for various types of
monitor.
Does your TV have a RGB SCART input? Richard Cook's article might help to
work out making
Have a look at this too (again a suggestion from
Lee):http://www.fruitcake.plus.com/Sinclair/Spectrum128/SCARTCable/Spectrum128SCARTCableQL.htm
There is also a British company JS Technology who do a little RGB to TTL
video converter which has been tweaked for QL overscan etc. Lee Privett has
one of their little video scalar boxes and there is an article about it in
Quanta magazine June/July 2011 issue. See their website
http://www.js-technology.com/store/category.php?id_category=5
Hope something there helps... :-)
Dilwyn Jones
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