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From: tmoran@acm.org
Newsgroups: comp.lang.ada
Subject: Re: Quality systems (Was: Using Ada for device drivers? (Was: the Ada
References: <3EC68093.2A12556B@easystreet.com>
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> >   With a little coaxing, the old T3100 turned on.  MSMOUSE.SYS,
> > dated 10-10-85, is 7003 bytes, not 35K.
>
> OK.  You can believe that size on disk = amount of memory used, and
> I'll believe that I did the experiment of building and running the
> same program with and without mouse support and saved about 35kb.
  With no mouse driver in config.sys (or autoexec.bat), MEM says
580,672 bytes available, and an old program that reports on its
available data area says 271K.  A program that requires a mouse
quits with a message that no mouse is installed.
  With "device=msmouse.sys" added to config.sys, MEM says
575,264 bytes available, and the old program says it has 265K for data.
The program that wants a mouse runs fine.
  Perhaps you had a fancier mouse driver?