Re: High Resolution With 16 colors?

[steve@dosius.zzn.com (Dosius)]

Exegete <millers@noneofyourbusiness.com> wrote in message news:<3E64B79E.8000402@noneofyourbusiness.com>...
> The PCjr could have more colors than the CGA because the PCjr had 
> something called VGA (Video Gate Array, without checking out Norton's 
> book) which stole the top 16K of RAM for the video. This gave the jr 
> more video RAM than the CGA, but it also is why Lotus 123 which could 
> run on a 128K PC, couldn't run on a 128K PCjr.

Er...

Actually, the PCjr didn't have the VGA - that came with high-end
models of the PS/2 in 1987.  But you are correct on how the graphics
adapter worked.  (I think though that there were other reasons why
1-2-3 wouldn't run on a PCjr.)  The PCjr video functionality was never
named officially ;)

> 
> What seems strange to me is that 3-4 years after the II was released, 
> IBM's first color graphics mode was barely better in resolution, and not 
> as good in color. I suppose because they thought businesses didn't need 
> color, and Woz was creating a computer that he could play games on.

I agree with that statement.

-uso.