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Re: nForth


Mike Simon wrote:

>The Xilinx tools have excellent on chip RAM for dual stacks.
>One of the reasons I chose it.
>
>The built in carry chains are also good for fast counters and adders.
>Precluding the need for look ahead carry chain up to 32 bits.
>
The Xilinx 4K series looks like a good candidate.

>Machine FORTH is competitive with compiled C.
>
I agree, especially on a Forth chip.

>You could do a two memory cycle 32 bitter on the XC4005 according to
>others who have done register based machines on this chip.
>
Do you know if the Student Edition design tools have the capacity to  fill
up a 4010? Is VHDL the design entry method?

I think that the minimum return stack size would need to be 32 cells,
parameter stack 16 cells. Any comments?

Myron Plichota