On Mon, Oct 17, 2011 at 08:55:39AM +0200, Michael Haberler wrote:
> lut5 is quite useful - I rather use that than gobs of and,or and not
> 
> here's a trivial script to make it a bit easier to use: 
> http://wiki.linuxcnc.org/cgi-bin/emcinfo.pl?Lut5

Even simpler:

i0 = 0xaaaaaaaa
i1 = 0xcccccccc
i2 = 0xf0f0f0f0
i3 = 0xff00ff00
i4 = 0xffff0000

and as long as you stick to bitwise operations (~ for not, |, &, ^) you
can simply evaluate your expression directly:

print '0x%08x' % ((i2 & i1) | (~i2 & i0))

-- 
Ben Jackson AD7GD
<[email protected]>
http://www.ben.com/

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