Re: Password prgm

To: CALC-TI@LISTS.PPP.TI.COM
Subject: Re: Password prgm
From: 82nd Deer <eviljim@MEGSINET.NET>
Date: Wed, 22 Oct 1997 23:41:11 -0500
Comments: To: Kevin J DeGraaf <kdegraaf@JUNO.COM>
In-Reply-To: <19971022.193907.9071.6.KDeGraaf@juno.com>
References: <3.0.16.19971021180920.2e0f5446@esper.com>
Reply-To: 82nd Deer <eviljim@MEGSINET.NET>

Not true, not all programs use APD, actually, most I've seen for the 85 use
their own powerdown routines.  I believe the first thing ever to use the
ROM powerdown on the 85 was CShell-NT.

At 07:40 PM 10/22/97 EDT, Kevin J DeGraaf wrote:
>This is a "tricky" implementation of "Auto Power Down."  APD turns off
>your calc after approximately 5 minutes of non-use, and returns it to
>_exactly_ the same state it was in at shutoff.  (Ergo, a program will
>still be running if it was running at shutoff.)  Through the use of
>assembly language (ASM) programming, a ROM routine can be called to
>activate APD.  Your password program will display "Password:" (or however
>yours is set up) and allow password input, but it will then immediately
>cause the calc to APD.  Upon startup, voila, you are required to enter
>the password.  If you enter it correctly, the password program terminates
>and you have control of the calc.  If you enter the password incorrectly,
>APD is once again called.

References:

Password prgm

From: Nathan Smith <smithrh@ESPER.COM>

Re: Password prgm

From: Kevin J DeGraaf <kdegraaf@JUNO.COM>