Blitz (102/640)

From:James L Boyd
Date:30 Aug 99 at 19:45:34
Subject:Re: Filter stuff (Was: VisualPrefs problems)

Simon Hitchen churned out *this* drivel:

>> Weird thing though - if you Peek this location, it'll read -2 if it's
>> on (0 if off), even if you poke it with 2 just before peeking it...anyone
>> know why (just out of curiosity)?
>
> 'Cos you're peeking the whole byte, the rest of the bits could be 0 or
> 1 so it could return any byte value IYSWIM :)

Ah, I always forget you can read smaller than a byte ;)

> BCLR #1,$bfe001 ; filter on
>
> ; or....
>
> BSET #1,$bfe001 ; filter off

^^^ Is the #1 in this the number of the bit then? Not an asm guy ;)

See ya,






James L Boyd - jamesboyd@all-hail.freeserve.co.uk

Member of Team *AMIGA*, and *Dogbert's New Ruling Class.*

Connected from Dundee, Scotland.

(http://surf.to/all-hail/)


The release of atom power has changed everything except our way of
thinking...the solution to this problem lies in the heart of
mankind. If only I had known, I should have become a watchmaker.
-- Albert Einstein

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