Speed of text editors on 808x platform
cclist at sydex.com
Tue Mar 27 00:59:18 CDT 2007
On 26 Mar 2007 at 16:14, Dave McGuire wrote:
> For early PC editors, having to go through the BIOS is the big
> display update bottleneck. Some programs achieved very fast screen
> updates by writing directly to the display memory. The venerable
> list.com comes to mind.
...which brings to mind Jim's comment on WordStar. IIRC, there were
two versions of WS for DOS. One that used normal terminal I/O and
one that used direct screen I/O. Of course, the display matters a
lot on a PC-XT; CGA can't be updated without snow nearly as quickly
I do have a WS 4.00 for MS-DOS, which I didn't see in your list.
It's the direct-write version.
Going from the sublime to the ridiculous...
You could always run Windows and Notepad. (Windows will run from a
floppy if configured that way). Note that I'm talking about 1985
Windows that runs on a PC with CGA/Herc/EGA. VGA hadn't been
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