Implement state machine, arith and I/O instructions now working.

fpga/Makefile

@@ -0,0 +1,14 @@
+CHDL		=	ghdl
+FLAGS		=	--std=08
+STOP		=	9000ns
+
+all:	tb/tb_bfpu.vhd src/bfpu.vhd
+	$(CHDL) -a $(FLAGS) src/alu.vhd src/branch.vhd src/cellMemory.vhd src/instructionMemory.vhd src/memoryPointer.vhd src/programCounter.vhd src/bfpu.vhd tb/tb_bfpu.vhd
+	$(CHDL) -e $(FLAGS) bfpu_tb
+	$(CHDL) -r $(FLAGS) bfpu_tb --wave=bpfu.ghw --stop-time=$(STOP)
+
+clean:
+	find . -name '*.o' -exec rm -r {} \;
+	find . -name '*.cf' -exec rm -r {} \;
+	find . -name '*.ghw' -exec rm -r {} \;
+	find . -name '*_tb' -exec rm -r {} \;