Repaired last few errors in modules and ensured compilation with QUARTUS_BUILD global flag in Quartus build settings and compiled fully (no errors other than pin assignments)

modules/instruction_module_classifier.sv

@@ -1,12 +1,12 @@
-`ifndef INSTRUCTION_CLASSIFIER_H_SV
-`define INSTRUCTION_CLASSIFIER_H_SV
+`ifndef INSTRUCTION_MODULE_CLASSIFIER_H_SV
+`define INSTRUCTION_MODULE_CLASSIFIER_H_SV
 
 module instruction_module_classifier(
     input logic [2:0] op,
     output logic en_shifter,
     output logic en_jmp,
     output logic en_mul,
-    output logic en_alu,
+    output logic en_alu
 );
     always_comb begin
         en_shifter = (op & 3'b111) == 3'b000;
@@ -15,4 +15,4 @@ module instruction_module_classifier(
         en_alu = (op & 3'b100) == 3'b100;
     end
 endmodule
-`endif
+`endif