Re: Making the ][+ better

[Rubywand <rubywand@swbell.net>]

"Michael J. Mahon" writes ...
> 
> Rubywand writes ...
> 
> >     If you'd like to try building the circuit to kill color in the Text
> >beneath
> >graphics displays, there's a diagram pic at ...
> >
> >
> >http://apple2.org.za/gswv/a2zine/Docs/DiagramsAndSchematics/TextColorKill
> er.jpg
> 
> This is a fine example of a "fast" color killer, which works not by
> putting the monitor into monochrome mode (which would take some
> time) but by reducing the gain of the chroma subcarrier.
> 
> The visual result is the same, except for "clever" color monitors
> like the AppleColor Composite, which will not have time to increase
> its lumnance bandwidth for sharp text, as it does when it switches
> to monochrome mode.
> 
> I think that there is another place in the AppleColor Composite
> circuit where a similar circuit could be attached to switch it to
> true monochrome mode quickly, allowing crisp 80-column text
> under a DHR display.
 ....

     If there's a Color-Monochrome switch, you thing that might be a good place
to attach the color killer circuit?-- i.e. to switch to Monochrome.


Rubywand