Re: A86: reading keys
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Re: A86: reading keys
>From: ComAsYuAre@aol.com
>Date: Wed, 7 Oct 1998 16:54:35 EDT
>To: assembly-86@lists.ticalc.org
>Subject: Re: A86: reading keys
>Reply-To: assembly-86@lists.ticalc.org
>
>
>In a message dated 10/7/98 16:20:24 Eastern Daylight Time,
>adamcsmith@hotmail.com writes:
>
>> how do you get a variable from the keypad and store it in a reg
>
>
>there are two main ways (others such as reading the port also work):
>
>call _getkey ;enter low power mode until a key is pressed
> ;contrast changing supported, 2nd and alpha not detected,
It's only supported if it's in a loop. Therefore you can't change
contrast if you have call _getkey | ret.
> ;and APD supported
> ;[sqrt]key can interfere with
Yep.
>
>call GET_KEY ;drains batteries
-This is not true. Just do:
call GET_KEY
HALT
.....Code Goes here.....
I think this will use the same amount of power as _getkey in a loop.
You could always manually enter Low Power Mode with a out (?),a ect.
> ;detects all keys
I don't think it detects On.
> ;[sqrt]key doesn't interfere
> ;doesn't wait for a keypress in order to return
>
Exactly.
-'FuZeD " Gettin back in the groove "
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