What if,... early PCs (was: stepping machanism

From: Allison J Parent <allisonp_at_world.std.com>
Date: Fri Apr 9 18:01:59 1999

<The RCA TV set design that RS used for a monitor for the model 1 was NOT
<really adequate for 80x24 display. (YES, I've done it.)

It could but the opto isolator used to keep the hot chassis and the video
seperate wasn't up to the task. Bypassed and of course using an isolation
transformer it was much crisper even at 80 cols.

<Double density was NOT readily achievable in 1978. And the poor quality

My dog, don't tell DEC that or intel.

<> was SLOW. The Z-80-card in the Apple was significantly (and noticeably)
<> faster. The two machines otherwise occupied about the same desk space, a

Than the TRS80, every thing was faster. Next to my S100 CPM crate with a
real 4mhz z80 and no wait state memory they were both slow.

<> aside from the stupid, Stupid, STUPID choice to leave the Tandy machine'
<> display at 16 lines of 64 characters (about half of what was on a 24x80,

As it works 64wide was more useful for word processing than 32 or 40.

Allison
Received on Fri Apr 09 1999 - 18:01:59 BST

This archive was generated by hypermail 2.3.0 : Fri Oct 10 2014 - 23:31:41 BST