src/edu/berkeley/fleet/ships/Mem.java

   1 package edu.berkeley.fleet.ships;
   2 import edu.berkeley.fleet.interpreter.*;
   3 import edu.berkeley.fleet.*;
   4
   5 import java.util.*;
   6 import java.io.*;
   7
   8 public class Mem extends InterpreterShip {
   9
  10     DataInbox   read_addr  = new DataInbox(this,   "read_addr");
  11     DataOutbox  read_data  = new DataOutbox(this,  "read_data");
  12     DataInbox   write_addr = new DataInbox(this,   "write_addr");
  13     DataInbox   write_data = new DataInbox(this,   "write_data");
  14     TokenOutbox write_done = new TokenOutbox(this, "write_done");
  15
  16     public Mem(Interpreter fleet, String name) { super(fleet, name); }
  17
  18     public String getBalsaName() { return "mem"; }
  19
  20     public void service() {
  21         if (read_addr.dataReadyForShip() &&
  22             read_data.readyForItemFromShip()) {
  23             Interpreter f = (Interpreter)getFleet();
  24             read_data.addDataFromShip(f.readMem(read_addr.removeDataForShip()));
  25         }
  26
  27         if (write_addr.dataReadyForShip() &&
  28             write_data.dataReadyForShip() &&
  29             write_done.readyForItemFromShip()) {
  30             Interpreter f = (Interpreter)getFleet();
  31             f.writeMem(write_addr.removeDataForShip(),
  32                        write_data.removeDataForShip());
  33             write_done.addTokenFromShip();
  34         }
  35
  36     }
  37
  38 }