Revise paste robotIRControl

#include <IRremote.h>

const int RECV_PIN = 0; //ir remote
IRrecv irrecv(RECV_PIN);
decode_results results;
//motor drive pins
int m1FW=1;
int m1RV=2;
int m2FW=3;
int m2RV=4;

//kill all function halt
void halt();

//directional function prototypes
void fw();
void rv();
void left();
void right();

//run time==dtime
int dtime=500; //in ms
void setup() {
  irrecv.enableIRIn(); // Start the receiver
  irrecv.blink13(true);
Serial.begin(9600);
 pinMode(m1FW, OUTPUT);
  pinMode(m1RV, OUTPUT);
   pinMode(m2FW, OUTPUT);
    pinMode(m2RV, OUTPUT);
}
// lets make a fire!
void loop() {
halt();
 if (irrecv.decode(&results)) {
 Serial.println(results.value);

if(results.value==16732335){ 
  //fw:16732335
  fw();
  }
 if(results.value==16738455){ 
  //rv: 16738455
  rv();
  }
 if(results.value==16762935){ 
  //rg:16762935
  right();
  }
 if(results.value==16746615){ 
  //lf:16746615
  left();
  }    
  } 
   irrecv.resume(); // Receive the next value
   
}
void left(){
  digitalWrite(m1FW, HIGH);
  digitalWrite(m2FW,HIGH);   
  delay(dtime);               // wait for a second
  halt();
  }

void right(){
  digitalWrite(m1RV, HIGH);
  digitalWrite(m2RV,HIGH);   
  delay(dtime);               // wait for a second
  halt();
  }

void rv(){
  digitalWrite(m1FW, HIGH);
  digitalWrite(m2RV,HIGH);   
  delay(dtime);               // wait for a second
  halt();
  }

void fw(){
  digitalWrite(m1RV, HIGH);
  digitalWrite(m2FW,HIGH);   
  delay(dtime);               // wait for a second
  halt();
  }

void halt(){
  //stop all that sht
   digitalWrite(m1FW, LOW); 
   digitalWrite(m1RV, LOW); 
   digitalWrite(m2FW, LOW); 
   digitalWrite(m2RV, LOW);

}