dsp: allow fetching instructions from SRAM

dsp/makefile

@@ -11,12 +11,11 @@ CFLAGS = -I../wave -I../uart
 boot_rom.gen.vhdl: main.o ../uart/uart.o
 
 sim_sources = dsp_test.vhdl
-sources = boot_rom.gen.vhdl dsp.vhdl      \
+sources = boot_rom.gen.vhdl dsp.vhdl ram.vhdl     \
 	  ../cpu/cpu.vhdl ../cpu/reg.vhdl ../cpu/alu.vhdl \
 	  $(wildcard ../wave/*.vhdl)      \
 	  $(wildcard ../sysbus/*.vhdl)    \
-	  ../uart/uart.vhdl               \
-	  ../first/ram.vhdl
+	  ../uart/uart.vhdl
 
 ../lab/dsp/au_base_project.runs/impl_1/au_top.bin: ../lab/dsp/au_base_project.runs/synth_1/au_top.dcp
 	../lab/dsp/au_base_project.runs/impl_1/runme.sh