Re: Apple IIe only displaying 4 colors (not 6)in HR on Color Composing monitor

[mjmahon@aol.com (Michael J. Mahon)]

Jay wrote:

>I was fixing some A2s in a second grade classroom today and came across
>something new to me.  When I tried to adjust the colors on the monitor, it
>became clear that it would display (besides black and white) green and
>purple,
>or blue and orange, but g, p, b, and orange together, as usual.  What gives?

Sounds like the 70ns delay logic enabled by the high-order bit of 
bytes in the hi-res screen is not working.

In a pre-//e, this is implemented by the 74LS02 at B13.  In a //e it's
implemented by the video PAL.

I presume that lo-res colors and DHR colors are normal?

-michael

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