refactoring

1 files changed, 15 insertions, 0 deletions

diff --git a/src/mem_addr_src_mux.v b/src/mem_addr_src_mux.v
new file mode 100644
index 0000000..a415287
--- /dev/null
+++ b/src/mem_addr_src_mux.v
@@ -0,0 +1,15 @@
+module mem_addr_src_mux (
+  input [31:0] src_pc, src_result,
+  input mem_addr_src,
+  output reg [31:0] mem_addr
+);
+
+always @(*) begin
+  case (mem_addr_src)
+    1'b0:    mem_addr <= src_pc;
+    1'b1:    mem_addr <= src_result;
+    default: mem_addr <= 32'b0;
+  endcase
+end
+
+endmodule