Re: My Apple IIGS is back

[limtc <thyechean@gmail.com>]

Hi Michael - this is not what I mean or tested. What you say is
exactly correct. But in ROM 3 GS connected to the same TV, whenever
you enter into text mode, it will switch to crisp monochrome text
within a second or 2, regardless of control panel texting. In ROM 1
GS, it will not.

On 4月20日, 上午8时49分, "Michael J. Mahon" <mjma...@aol.com> wrote:

> NTSC composite color processing generally does not preserve luminnance
> information beyond about 3MHz, so 80-column text is usually unreadable.
>
> In monochrome mode, there is more flexibility and your monitor may
> make use of extended luminance bandwidth to render 80-column text
> well.
>
> This is standard behavior--a monitor cannot switch quickly (within
> a frame) from color to monochrome and back.
>
> The Apple II generates a color video signal anytime that graphics
> are displayed, even if the screen is "mixed".