Re: SD: RE: New operating system...


[Prev][Next][Index][Thread]

Re: SD: RE: New operating system...





----- Original Message -----
From: Grant Stockly <gussie@alaska.net>
To: <shell-developers@lists.ticalc.org>
Sent: Saturday, February 20, 1999 4:04 PM
Subject: Re: SD: RE: New operating system...


>
>>The big question here is, why? I haven't needed 10k of RAM in any
>>assembly program, and I don't forsee any program needing 10000 numbers
>>stored (or 1000 floating pt. nums).  If you could find some way to give
>>the TIOS the boot, than go for it. Just remember that most people use
>>these for their original purpose, math. The games are just an added
>>bonus. Without the TIOS, the calculator would be useless; just a gameboy.
>>
>>I'm not trying to discourage you, and if you want to go for it, than do.
>>
>>BTW: CP/M, the OS that Microsoft ripped off of for DOS is written for the
>>Z80. I can give you the source, if you want. (note that it won't compile
>>as written under TASM or assembly studio.).
>
>Microsoft bought DOS from a seattle computer company.  It was called QDOS
>(Quick and Dirty Operating System), microsoft renamed it, trashed it, and
>called it their own.
>
I think what he was tryint to say was that the basic DOS idea of QDOS was
taken from CP/M, but I must point out that it really is more half and half
between CP/M and UNIX based concepts and ideas.

kaus