Re: A83: Random numbers

To: Linus Akesson <assembly-83@lists.ticalc.org>
Subject: Re: A83: Random numbers
From: Linus Akesson <lairfight@softhome.net>
Date: Tue, 30 Jun 1998 18:13:57 +0100
Delivered-To: assembly-83-outgoing@towerguard.unix.edu.sollentuna.se
In-Reply-To: <yam7485.2491.274915280@smtp.softhome.net>
Reply-To: assembly-83@lists.ticalc.org


Sorry, meant _getky

Linus

On 30-Jun-98, I wrote:

>You're probably doing some sort of wait-for-key loop somewhere. Modify it to
>something like this:

>keyloop: call  _getkey
>         ; Insert some jump-away-if-key-pressed stuff here
>         ld    hl,random
>         ld    a,(hl)
>         inc   a
>         ld    (hl),a
>         cp    7
>         jr    nz,keyloop
>         ld    (hl),0
>         jr    keyloop

>Total size: 17 bytes.

>The random number will depend on for how long time the user didn't press any
>key.

>Linus

>On 29-Jun-98, Michael Bryan Cook wrote:

>>O.K. I've got a question for you guys. Maybe you can solve this Olle. How 
>>would you go about generating a random number (the fastest way possible) 
>>between (and including) 0 and 6. The smaller the better. Also, what range 
>>does the _RANDOM call return?

>>Michael Bryan Cook
>>------------------------------
>>E-Mail - MBCook@MBCook.com
>>------------------------------
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>>------------------------------
>>I pledge allegiance to the compatibles of IBM, and everything that goes 
>>with them. And for the companies under which it stands, one industry, under 
>>Bill, with games and perhapsles for all!

References:

Re: A83: Random numbers

From: Linus Akesson <lairfight@softhome.net>