Xerox 820 system disks in Teledisk format?
cclist at sydex.com
Thu May 7 19:55:15 CDT 2009
On 7 May 2009 at 16:06, bfranchuk at jetnet.ab.ca wrote:
> What is the bug with the chip???
> If it is the chip I think it is, it had nice over stike graphics. > >
8275 - think Wyse 50 terminals. Doesn't use a dedicated buffer, but
DMA to do buffer refresh. Attributes (e.g. bold, blink, etc.) use a
space on the screen, unless "invisible" mode is enabled, in which
case each line occupies a variable number of bytes and a maximum of
16 attributes per line. 7-bit character set.
I learned to hate the bloody thing.
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