22 Nov
2017
22 Nov
'17
8:48 p.m.
On Thu, Nov 23, 2017 at 6:40 AM, Nigel Williams
<nw(a)retrocomputingtasmania.com> wrote:
I suspect the VT05 was not popular as it was slow,
uppercase only, 72
characters x 20 lines, and not cursor addressable (much like Teletypes
of that time).
I am wrong, DEC VT05 was cursor addressable, it could even erase to end of line.
3.8 Direct Cursor Addressing (CAD)
https://vt100.net/docs/vt05-rm/chapter3.html#S3.8
Through the use of CAD (0168), the cursor can be directed to any one
of the 1440 character locations on the CRT screen using three
instructions. The CAD function is used to allow updating of displayed
data without retransmitting the complete page.