Re: Bit Operation - BITAND

Michael,

This works for me ...

If %BitAnd(%SubSt(PrimaryBitMap:1:1):x'80') = *on;
dsply 'yes';
Else;
dsply 'no';
EndIf;

Have a look at www.rpglanguage.com/boolean www.rpglanguage.com/bit_ops
www.rpglanguage.com/decimal_binary_hex


Regards,
John McKay mba

----- Original Message -----
From: "Michael Ryan" <michaelrtr@xxxxxxxxx>
To: "RPG programming on the IBM i / System i" <rpg400-l@xxxxxxxxxxxx>
Sent: Monday, June 22, 2009 1:55 PM
Subject: Re: Bit Operation - BITAND

Argh....I said that wrong. I'm comparing the result of the %BitAnd (which
I
would think would be x'00000000') to x'10000000', so I would expect that
comparison to be false, and follow the 'no' path. But it doesn't...it
follows the 'yes' path.

On Mon, Jun 22, 2009 at 8:49 AM,
<J.Beckeringh@xxxxxxxxxxxxxxxxxxxxxxxxxx>wrote:

Huh? First bit is off because it is off in the byte you are testing;
other
bits are off because they are off in the byte you are testing with. So
the
result of %bitand is x'0000000'. Seems alright to me.

Joep Beckeringh


rpg400-l-bounces@xxxxxxxxxxxx wrote on 22-06-2009 14:34:38:

Michael Ryan

Here's my lil' code segment:

D PrimaryBitMap...
D S 8A Inz(x'7224648008C08000')

/Free

If %BitAnd(%SubSt(PrimaryBitMap:1:1):x'10000000') = x'10000000';
dsply 'yes';
Else;
dsply 'no';
EndIf;

Since the first byte of PrimaryBitMap is x'01110020' (right?), it
should
dsply 'yes'...but it dsplys 'no'. What am I doing wrong? Thanks!

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