// Test Program 3 -- tests addi and j instructions
//
// Correction was made.  Specifically, the "j Loop" instruction
// was not specified correctly in the original hw9Test3.V
// file.  The opcode was 3, which is incorrect.  This has
// been corrected so that the opcode is now 3.
module ProgramMemory(addr,out);

input  [31:0] addr;
output [31:0] out; 
reg    [31:0] out;

initial 
   begin 
   #40; $stop; 
   end



//
//
always @(addr)
   begin
   case (addr)
//   Loop:
      0: out = {6'd8,5'd0,5'd16,16'd3};         // addi $16,$0,3
      4: out = {6'd8,5'd0,5'd17,16'd8};         // addi $17,$0,0
// Loop:
      8: out = {6'd0,5'd17,5'd16,5'd17,5'd0,6'd32}; // add  $17,$17,$16
     12: out = {6'd8,5'd16,5'd16,-16'd1};         // addi $16,$16,-1
// Loop2:
     16: out = {6'd4,5'd0,5'd16,-16'd1};  // beq $0,$16,Loop2
     20: out = {6'd2,26'd2};              // j Loop (2)
     default: $display("Illegal Access");
   endcase
   end

endmodule