Initial commit for the firmware. Used the 20090306_ela version as baseline.

It is identical to the popular 20081211, with the doob addition (20090301), a
linux client, and two additional commands for LF analysis. Let me know if
you find issues here!

fpga/go.bat

@@ -0,0 +1,38 @@
+@echo off
+
+rmdir/s/q xst
+
+del fpga.ngc
+xst -ifn xst.scr
+if errorlevel 0 goto ok1
+goto done
+:ok1
+
+del fpga.ngd
+ngdbuild -aul -p xc2s30-6vq100 -nt timestamp -uc fpga.ucf fpga.ngc fpga.ngd
+if errorlevel 0 goto ok2
+goto done
+:ok2
+
+del fpga.ncd
+map -p xc2s30-6vq100 fpga.ngd
+if errorlevel 0 goto ok3
+goto done
+:ok3
+
+del fpga-placed.ncd
+par fpga.ncd fpga-placed.ncd
+if errorlevel 0 goto ok4
+goto done
+:ok4
+
+del fpga.bit fpga.drc fpga.rbt
+bitgen -b fpga-placed.ncd fpga.bit
+if errorlevel 0 goto ok5
+goto done
+:ok5
+
+echo okay
+perl ..\tools\rbt2c.pl fpga.rbt > ..\armsrc\fpgaimg.c
+
+:done