Re: [colorforth] CF variables to store their adress in A register ?

[<maslicke@xxxxxxxxxxx>]

---- Original message ----
>Date: Wed, 23 Jun 2004 16:11:22 +0200
>From: Frédéric DUBOIS<frederic.dubois@xxxxxxxxxxxxx>  
>Subject: [colorforth] CF variables to store their adress in 
A register ?  
>To: "'colorforth@xxxxxxxxxxxxxxxxxx'" 
<colorforth@xxxxxxxxxxxxxxxxxx>
>
>
>	Hello,
>
>Why CF variables do not directly store their address in the 
A register,
>instead of pushing it on the data stack ?
>

If c18 virtual machine is considered, there is no instruction 
to load an address directly to the A register. On pentium,  
@  !  a!  are optimized for literal values, so loading the 
variable address into the A register provides no benefit.

Mark

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