[TOP,REG/jsilicon.v,regfile.v] Restore R0/R1 data path and resolve UNDRIVEN error

- Re-adding R0_out and R1_out ports to regfile.v

Author: mirseo

src/jsilicon.v

@@ -87,7 +87,9 @@ module tt_um_Jsilicon(
         .ena(ena),
         .opcode(regfile_opcode),
         .data_in(wb_data),
-        .data_out()
+        .data_out(),
+        .R0_out(R0),
+        .R1_out(R1)
     );
 
     // ALU - CPU mode

src/regfile.v

@@ -14,11 +14,11 @@ module REG (
     // 명령어 저장
     input wire [7:0] data_in, 
     // FSM, ALU 데이터 저장
-    output reg [7:0] data_out
+    output reg [7:0] data_out,
 
     // 디버그 포트
-    // output wire [7:0] R0_out,
-    // output wire [7:0] R1_out
+    output wire [7:0] R0_out,
+    output wire [7:0] R1_out
     );
 
     reg [7:0] R0, R1;
@@ -49,7 +49,7 @@ module REG (
         end
     end
 
-    // assign R0_out = R0;
-    // assign R1_out = R1;
+    assign R0_out = R0;
+    assign R1_out = R1;
 
 endmodule