ProcessorSimulationLoadInstructions.c

final static int RegDst = 0;
final static int ALUSrc = 1;
final static int MemtoReg = 2;
final static int RegWrite = 3;
final static int MemRead= 4;
final static int MemWrite = 5;
final static int Branch = 6;
final static int ALUOp1 = 7;
final static int ALUOp0 = 8;



public static circuit[] main_control(circuit[] opcode)
{
  circuit[] ans = new circuit[9];

  ans[RegDst] = and(not(opcode[0]),and(not(opcode[1]),and(not(opcode[2]),
                and(not(opcode[3]),and(not(opcode[4]),not(opcode[5]))))));
  ans[ALUSrc] = and(opcode[5],and(not(opcode[4]),and(not(opcode[2]),and(opcode[\
1],
                opcode[0]))));
  ans[MemtoReg] = and(opcode[5],and(not(opcode[4]),and(not(opcode[3]),
                  and(not(opcode[2]),and(opcode[1],opcode[0])))));
  ans[RegWrite] = and(not(opcode[4]),and(not(opcode[3]),not(opcode[2])));
  ans[MemRead] = and(opcode[5],and(not(opcode[4]),and(not(opcode[3]),
                 and(not(opcode[2]),and(opcode[1],opcode[0])))));
  ans[MemWrite] = and(opcode[5],and(not(opcode[4]),and(opcode[3],
                  and(not(opcode[2]),and(opcode[1],opcode[0])))));
  ans[Branch] = and(not(opcode[5]),and(not(opcode[4]),and(not(opcode[3]),
                and(opcode[2],and(not(opcode[1]),not(opcode[0]))))));
  ans[ALUOp1] = and(not(opcode[0]),and(not(opcode[1]),and(not(opcode[2]),
                and(not(opcode[3]),and(not(opcode[4]),not(opcode[5]))))));
  ans[ALUOp0] = and(not(opcode[5]),and(not(opcode[4]),and(not(opcode[3]),
                and(opcode[2],and(not(opcode[1]),not(opcode[0]))))));
  return ans;
}