Re: [colorforth] color assignment

["Samuel A. Falvo II" <kc5tja@xxxxxxxx>]

On Sunday 26 October 2003 10:34 am, maslicke@xxxxxxxxxxx wrote:
> >each had their own, unique token.
>
> bit 4 of the number types, see:
> http://www.colorforth.com/parsed.html

Thanks.  I'd forgotten about that.

> >implemented as a jump-table?
>
> Show me. You snipped the reference at top, I am refering to

Yes, I understand.  Jump-tables can be implemented in assembly too, at 
the expense of a register.

  ... ; after this point, EAX has 0..15 in it.
  mov eax,[table+eax*4]
  jmp eax

table:
  dd func0, func1, func2, func3
  dd ...etc..

> the word 'format' in the assembler source. I need to check
> that my implementation is correct, however the change in color
> assignment does apear to simplify this code.

I didn't mean, nor do I currently intend, to confront what you were 
doing.  I was just wondering if it would help, as situations like that, 
based on my experience, are often helped by re-arranging numbers to take 
advantage of mod-2 arithmetic.  In your case, it couldn't be.

Anyway, you gave some more information which I hadn't known or forgotten 
about which I can see would result in changing things on a more global 
scale.  It makes more sense to me now.

BTW, things are going fine for me and my roommates here in San Diego.  
For those who don't know (how can you not?), we are having a wild time 
here with all these brush fires.  Many of my personal belongings are in 
boxes and ready to move out at a moment's notice.

I watched a plane crash into the 163 south today from work -- the pilot 
DID walk away, unhurt.  Not *exactly* sure why, but from what I could 
see, he did a touch-n-go landing at the airport next to our In-N-Out 
restaurant (presumably because he couldn't see where the runway was, and 
realized he was way too far in to land safely), tried to pull up to 
avoid hitting our restaurant, realized he couldn't, then did a hard, 
hard bank to the left.  Thereafter, it was just a fireball.  I'm utterly 
shocked (and relieved) the guy walked away.

Weather forecasts predict another day of this before any kind of 
off-shore relief comes.

--
Samuel A. Falvo II


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