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Z80 & 68k Assembly =>
z80 & ez80 Assembly
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Adm.Wiggin
aka Tianon
Know-It-All
Joined: 02 Jun 2003
Posts: 1874
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 Posted: 08 Jun 2003 02:41:09 pm Post subject: |
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Jbirk (or whoever else it may concern),
i just discovered that the calculator knows how many seconds have passed since the date 1/1/1997! it always knows what day it is, u would just have to convert it! i learned this by looking at appheader(util), and it says u can make ur app stop working after a certain date!(seconds since 1/1/1977!) ok, so it might just be my imagination, but i think it would work! could also tell time if u knew the time zone!
-Adm.Wiggin |
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62 52 53 53
Formerly known as 62 52 53 53
Active Member
Joined: 30 May 2003
Posts: 607
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| Posted: 08 Jun 2003 03:55:55 pm Post subject: |
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| If that is true, wow. Although I don't know how nobody noticed it before if it is. |
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NETWizz
Byte by bit
Bandwidth Hog
Joined: 20 May 2003
Posts: 2369
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| Posted: 09 Jun 2003 02:56:31 am Post subject: |
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If only it were true... It is not.
I can tell you that the regular 83+ is incapable of keeping track of time because it does not have any timing circuits built into it.
To keept track of time, you need to have a stable oscillator. The closest thing it has is CPU clock cycles which are not syncronized to a crystal; thus, are inaccurate.
Michael Vincent wrote a clock for his new OS, the clcok access the built in crystal timmer of the SE, and uses an IM1 routine to stay running.
Yes, a clock can only be made to work on an SE if built into the OS.
You calculator does not know what day it is! |
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Adm.Wiggin
aka Tianon
Know-It-All
Joined: 02 Jun 2003
Posts: 1874
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| Posted: 09 Jun 2003 12:57:30 pm Post subject: |
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| so, how does the expiration date on an app work? is it even something to be considered? |
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62 52 53 53
Formerly known as 62 52 53 53
Active Member
Joined: 30 May 2003
Posts: 607
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| Posted: 09 Jun 2003 03:45:24 pm Post subject: |
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| I figured it didn't, but there could be something useful to that statement. |
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NETWizz
Byte by bit
Bandwidth Hog
Joined: 20 May 2003
Posts: 2369
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| Posted: 09 Jun 2003 03:51:07 pm Post subject: |
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| I think TI was planning ahead because they also reserved a few bytes for future use. |
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David
The XORcist!
Advanced Member
Joined: 20 May 2003
Posts: 268
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| Posted: 14 Jun 2003 11:43:53 am Post subject: |
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You cannot set the expiration date of apps, but you can control how many times an app can be run. When you exceed it, the calculator will delete your app automatically  |
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