Embeddable Pcode compiler/interpreter Serial EEPROM

[george jetson]

Hi All

I need a compiler (C preferably) that will output a Pcode that I can
create a interpreter for on a very small embedded system. I want to
execute the Pcode from serial flash.

Something like "Interactive C" but with a file output and a documented
Pcode would work great. This may be available, but I have had no luck
finding it.

I have a system that has an FPGA (Xilinx Spartin3) and a 8051. We
currently use the 8051 to do maintance and interactive control with
the FPGA.

The 8051 has a 256kbyte serial flash and we have a kinda pcode running
on the internal interpreter. But no real language or compiler. The guy
that wrote the whole thing is long gone.
By the way it uses a twisted version of self modifying code to execute
the pcode. It is very scary.

Also I have enough room in the FPGA to run 2 picoBlaze CPU's with 1k
of code space. I have build a serial to memory system to read the
serial flash into the memory space of the picoBlaze.

As it stands I can run a MAX of 2Mega bytes seconds through the
serial to memory hardware. That gives me 20 instruction cycles per
byte. So if I can get the Pcodes to 2-3bytes per - I have 40-60
instructions to execute them. Or about 500K instructions/sec.
This is more than enough time to do my work.

I want to get rid of the 8051 completly and just run on the internal
CPU's - one for real time stuff and one for pcode interpreter.

Any help/direction would be helpful.

Thanks

[Grumble]

George Jetson wrote:

[snip]

Any help/direction would be helpful.

comp.arch.embedded.* perhaps?