make dock counters as wide as the machine word
[fleet.git] / src / edu / berkeley / fleet / fpga / FpgaDock.java
index 7de5618..61e8a56 100644 (file)
@@ -16,12 +16,17 @@ import edu.berkeley.fleet.api.Dock;
 import edu.berkeley.fleet.two.*;
 import java.util.*;
 
-/** the pump itself is a */
 public class FpgaDock extends FleetTwoDock implements FabricElement {
 
-    private static final int INSTRUCTION_FIFO_SIZE = 12;
-    private static final int EPILOGUE_FIFO_SIZE    = 0;
-    private static final int DATA_FIFO_SIZE        = 4;
+    //private static final int INSTRUCTION_FIFO_SIZE = 12;
+
+    // Marina has 12 latches in the ring, 9 of which are wagged (plus
+    // M1, OD, RQ), so max capacity is 11 instructions
+    static final int INSTRUCTION_FIFO_SIZE = 11;
+    static final int INSTRUCTION_WAGGED_STAGES = 8;
+
+    //private static final int DATA_FIFO_SIZE        = 4;
+    static final int DATA_FIFO_SIZE        = 8;
         
     private FpgaDestination dataDestination;
     private FpgaDestination instructionDestination;
@@ -56,8 +61,9 @@ public class FpgaDock extends FleetTwoDock implements FabricElement {
     private FabricElement upstream;
     public Module.SourcePort getOutputPort() { throw new RuntimeException(); }
     public Module.Port getInputPort()  { throw new RuntimeException(); }
-    public FpgaPath getPath(FabricElement dest, BitVector signal) { return upstream.getPath((FabricElement)dest, signal); }
-    public FpgaPath getPath(Destination dest,BitVector signal) { return upstream.getPath((FabricElement)dest, signal); }
+    public Path getPath(Destination dest,BitVector signal) { return getPath((FpgaDestination)dest, signal); }
+    public FpgaPath getPath(FpgaDestination dest,BitVector signal) { return upstream.getPath(dest, signal); }
+    public int      getPathLength(FpgaDestination dest) { return upstream.getPathLength(dest)-1; }
     public void addInput(FabricElement in, Module.Port inPort) { throw new RuntimeException(); }
     public void addOutput(FabricElement out, Module.Port outPort) {
         this.upstream = out;
@@ -68,58 +74,85 @@ public class FpgaDock extends FleetTwoDock implements FabricElement {
         public TorpedoBranchModule() {
             super("torpedobranch");
             Module.SourcePort in      = createInputPort ("in",  fpga.WIDTH_PACKET);
-            // FIXME: assumes DISPATCH_PATH is at top of word!!!
-            Module.SinkPort   out     = createOutputPort("out", fpga.getWordWidth()-fpga.DISPATCH_PATH.valmaskwidth, "");
-            Module.SinkPort   torpedo = createOutputPort("torpedo", 0, "");
-            in.hasLatch = false;
-            out.hasLatch = false;
-            torpedo.hasLatch = false;
-
-            addPreCrap("assign out        = "+fpga.PACKET_DATA.verilogVal("in")+";");
-            addPreCrap("assign out_r      = in_r && !("+fpga.PACKET_TOKEN.verilogVal("in")+");");
-            addPreCrap("assign torpedo_r  = in_r &&   "+fpga.PACKET_TOKEN.verilogVal("in")+";");
-            addPreCrap("assign in_a       = out_a || torpedo_a;");
+            Module.SinkPort   out     = createOutputPort("out", fpga.getWordWidth()-fpga.DISPATCH_PATH.valmaskwidth);
+            Module.SinkPort   torpedo = createOutputPort("torpedo", 0);
+            Module.StateWire  busy    = new StateWire("busy", false);
+
+            new Event(new Object[] { in, busy.isFull(), out },
+                      new Action[] { in, busy.doDrain() });
+            new Event(new Object[] { in, busy.isEmpty(), out, torpedo, in.testMask(fpga.PACKET_IS_TOKEN) },
+                      new Action[] { in,                      torpedo });
+            new Event(new Object[] { in, busy.isEmpty(), out,          in.testMask(fpga.PACKET_IS_TOKEN).invert() },
+                      new Action[] {     busy.doFill(),  out });
+
+            out.connectValue(in.getBits(fpga.PACKET_DATA));
         }
     }
 
     public class RequeueModule extends Module {
         public RequeueModule() {
             super("requeue");
-            Module.SourcePort fabric_in = createInputPort ("fabric_in",  fpga.getWordWidth()-fpga.DISPATCH_PATH.valmaskwidth);
-            Module.SourcePort ondeck_in = createInputPort ("ondeck_in",  fpga.getWordWidth()-fpga.DISPATCH_PATH.valmaskwidth);
-            Module.SourcePort olc_in    = createInputPort ("olc_in",     fpga.SET_OLC_FROM_IMMEDIATE.valmaskwidth);
-            Module.SinkPort   out       = createOutputPort("out",        fpga.getWordWidth()-fpga.DISPATCH_PATH.valmaskwidth, "");
-            out.forceNoLatch = true;
+            Module.SourcePort fabric_in     = createInputPort ("fabric_in",  fpga.getWordWidth()-fpga.DISPATCH_PATH.valmaskwidth);
+            Module.SourcePort ondeck_in     = createInputPort ("ondeck_in",  fpga.getWordWidth()-fpga.DISPATCH_PATH.valmaskwidth);
+            Module.SourcePort abort         = createInputPort ("abort",     1);
+            Module.SinkPort   out           = createOutputPort("out",        fpga.getWordWidth()-fpga.DISPATCH_PATH.valmaskwidth);
 
-            Module.StateWire  using         = new StateWire("using", false);
             Module.StateWire  circulating   = new StateWire("circulating", false);
             Module.StateWire  doResetFabric = new StateWire("doResetFabric", false);
             Module.StateWire  doResetOndeck = new StateWire("doResetOndeck", false);
 
-            addPreCrap("assign out = "+circulating.isEmpty()+" ? "+fabric_in.getName()+" : "+ondeck_in.getName()+";");
+            out.connectValue(new MuxValue(circulating.isEmpty(), fabric_in, ondeck_in));
 
             // always: discard one-shot instructions
-            new Event(new Object[] { ondeck_in, /*olc_in,*/ fpga.OS.verilog(ondeck_in.getName()) },
-                      new Action[] { ondeck_in, /*olc_in */});
-
             new Event(new Object[] { doResetFabric.isFull(),  out },
                       new Action[] { doResetFabric.doDrain(), fabric_in });
             new Event(new Object[] { doResetOndeck.isFull(),  out },
                       new Action[] { doResetOndeck.doDrain(), ondeck_in });
 
-            new Event(new Object[] { circulating.isEmpty(),                  fabric_in, fpga.TAIL.verilog(fabric_in.getName()) },
-                      new Action[] { circulating.doFill(),                   fabric_in });
-            new Event(new Object[] { circulating.isEmpty(),                  fabric_in, "!("+fpga.TAIL.verilog(fabric_in.getName())+")", doResetFabric.isEmpty() },
-                      new Action[] {                                         out, doResetFabric.doFill() });
-            new Event(new Object[] { using.isEmpty(),                        ondeck_in, /*olc_in,*/   "!("+fpga.OS.verilog(ondeck_in.getName())+")", "olc_in==0" },
-                      new Action[] {                                         ondeck_in, /*olc_in */ });
-            new Event(new Object[] { using.isEmpty(),                        ondeck_in, /*olc_in,*/   "!("+fpga.OS.verilog(ondeck_in.getName())+")", "olc_in!=0" },
-                      new Action[] { using.doFill() });
-            new Event(new Object[] { circulating.isFull(),  using.isFull(),  ondeck_in, /*olc_in,*/   "!("+fpga.OS.verilog(ondeck_in.getName())+")", "olc_in==0" },
-                      new Action[] { circulating.doDrain(), using.doDrain(), ondeck_in, /*olc_in */});
-            new Event(new Object[] { circulating.isFull(),  using.isFull(),  ondeck_in, /*olc_in,*/   "!("+fpga.OS.verilog(ondeck_in.getName())+")", "olc_in!=0", doResetOndeck.isEmpty() },
-                      new Action[] {                                         out, /*olc_in,*/ doResetOndeck.doFill() });
-
+            // Updating->Circulating transition
+            new Event(new Object[] { doResetFabric.isEmpty(),
+                                     doResetOndeck.isEmpty(),
+                                     circulating.isEmpty(),
+                                     fabric_in,
+                                     fpga.TAIL.verilog(fabric_in.getName()),
+                                     ondeck_in,
+                                     fpga.HEAD.verilog(ondeck_in.getName()) },
+                      new Action[] { circulating.doFill(),
+                                     fabric_in,
+                                     ondeck_in });
+
+            // Circulating->Updating transition
+            new Event(new Object[] { doResetFabric.isEmpty(),
+                                     doResetOndeck.isEmpty(),
+                                     circulating.isFull(),
+                                     ondeck_in,
+                                     abort.getVerilog() },
+                      new Action[] { circulating.doDrain(),
+                                     ondeck_in });
+
+            // Updating
+            new Event(new Object[] { doResetFabric.isEmpty(),
+                                     doResetOndeck.isEmpty(),
+                                     circulating.isEmpty(),
+                                     fabric_in,
+                                     "!"+fpga.TAIL.verilog(fabric_in.getName()) },
+                      new Action[] { doResetFabric.doFill(),
+                                     out });
+            new Event(new Object[] { doResetFabric.isEmpty(),
+                                     doResetOndeck.isEmpty(),
+                                     circulating.isEmpty(),
+                                     ondeck_in,
+                                     "!"+fpga.HEAD.verilog(ondeck_in.getName()) },
+                      new Action[] { ondeck_in });
+                                     
+            // Circulating
+            new Event(new Object[] { doResetFabric.isEmpty(),
+                                     doResetOndeck.isEmpty(),
+                                     circulating.isFull(),
+                                     ondeck_in,
+                                     "!"+abort.getVerilog() },
+                      new Action[] { doResetOndeck.doFill(),
+                                     out });
         }
     }
 
@@ -131,61 +164,51 @@ public class FpgaDock extends FleetTwoDock implements FabricElement {
             int dfifo_width = inbox ? fpga.getWordWidth()+1 : 1;
 
             // FIXME: assumes fpga.DISPATCH_PATH is at top of word!!!
-            Module ififo_m   = new FifoModule(INSTRUCTION_FIFO_SIZE, fpga.getWordWidth()-fpga.DISPATCH_PATH.valmaskwidth);
+            Module ififo_m_1   = new FifoModule(INSTRUCTION_FIFO_SIZE, fpga.getWordWidth()-fpga.DISPATCH_PATH.valmaskwidth);
+            //Module ififo_m_1   = new FifoModule(INSTRUCTION_FIFO_SIZE-INSTRUCTION_WAGGED_STAGES, fpga.getWordWidth()-fpga.DISPATCH_PATH.valmaskwidth);
+            //Module ififo_m_2   = new FifoModule(INSTRUCTION_WAGGED_STAGES, fpga.getWordWidth()-fpga.DISPATCH_PATH.valmaskwidth, true);
+
             Module dfifo_m   = new FifoModule(DATA_FIFO_SIZE,        dfifo_width);
 
             Module.SourcePort instruction   = createInputPort("instruction", fpga.WIDTH_PACKET);
             Module.SourcePort fabric_in     = createInputPort("fabric_in",   fpga.WIDTH_PACKET);
 
             // FIXME: at inboxes, no need for a full set of latches
-            Module.SinkPort   fabric_out    = createOutputPort("fabric_out", fpga.WIDTH_PACKET, "");
+            Module.SinkPort   fabric_out    = createOutputPort("fabric_out", fpga.WIDTH_PACKET);
             
             Module.InstantiatedModule dfifo = new Module.InstantiatedModule(this, dfifo_m);
 
-            fabric_in.hasLatch = false;
             fabric_in.connect(dfifo.getInputPort("in"));
-            dfifo.getInputPort("in").noDriveLatches = true;
-            if (inbox)
-                addPreCrap("assign "+dfifo.getInputPort("in").getName()+
-                           " = { "+fpga.PACKET_SIGNAL.verilogVal("fabric_in")+
-                           ",    "+fpga.PACKET_DATA.verilogVal("fabric_in")+" };\n");
-            else
-                addPreCrap("assign "+dfifo.getInputPort("in").getName()+
-                           " = "+fpga.PACKET_SIGNAL.verilogVal("fabric_in")+";\n");
-
+            dfifo.getInputPort("in").connectValue(
+                !inbox
+                ? fabric_in.getBits(fpga.PACKET_SIGNAL)
+                : new CatValue(new Value[] {
+                        fabric_in.getBits(fpga.PACKET_SIGNAL),
+                        fabric_in.getBits(fpga.PACKET_DATA)
+                    }));
         
-            Module.SourcePort dfifo_out = dfifo.getOutputPort("out");
-            Module.SourcePort   ship_out    = null;
-            if (!inbox) {
-                ship_out = createInputPort("ship",        fpga.getWordWidth()+1);
-                ship_out.hasLatch = true;
-            }
-
-            Module.SinkPort   ship_in     = null;
-            if (inbox) {
-                ship_in = createOutputPort("ship",        fpga.getWordWidth()+1, "");
-                ship_in.hasLatch = true;
-            }
+            Module.SourcePort dfifo_out     = dfifo.getOutputPort("out");
+            Module.SourcePort ship_out      = !inbox ? createInputPort("ship",  fpga.getWordWidth()+1) : null;
+            Module.SinkPort   ship_in       =  inbox ? createOutputPort("ship", fpga.getWordWidth()+1) : null;
 
             Module.Latch     ilc            = new Latch("ilc", fpga.SET_ILC_FROM_IMMEDIATE.valmaskwidth+1, 1);
-            Module.Latch     olc            = new Latch("olc", fpga.SET_OLC_FROM_IMMEDIATE.valmaskwidth, 1);
+            Module.Latch     olc            = new Latch("olc", fpga.getWordWidth(), 1);
             Module.Latch     flag_a         = new Latch("flag_a", 1);
             Module.Latch     flag_b         = new Latch("flag_b", 1);
             Module.Latch     flag_c         = new Latch("flag_c", 1);
-            Module.Latch     flag_z         = new Latch("flag_z", 1);
+            Module.Latch     flag_d         = new Latch("flag_d", 1);
 
-            Module.StateWire  torpedoWaiting = new StateWire("torpedoWaiting", false);
-        
             Module.SinkPort   token_out     = fabric_out;
             Module.SourcePort token_in      = dfifo_out;
             Module.SinkPort   data_out      = inbox ? ship_in   : fabric_out;
             Module.SourcePort data_in       = inbox ? dfifo_out : ship_out;
 
-            Module.InstantiatedModule ififo = new Module.InstantiatedModule(this, ififo_m);
-            Module.SinkPort   ififo_in      = ififo.getInputPort("in");
-            Module.SourcePort ififo_out     = ififo.getOutputPort("out");
-
-            Module.SinkPort data_latch_output_p = createWirePort("data_latch_output", inbox ? fpga.getWordWidth()+1 : fpga.getWordWidth());
+            Module.InstantiatedModule ififo_1 = new Module.InstantiatedModule(this, ififo_m_1);
+            //Module.InstantiatedModule ififo_2 = new Module.InstantiatedModule(this, ififo_m_2);
+            //ififo_1.getOutputPort("out").connect(ififo_2.getInputPort("in"));
+            Module.SinkPort   ififo_in      = ififo_1.getInputPort("in");
+            //Module.SourcePort ififo_out     = ififo_2.getOutputPort("out");
+            Module.SourcePort ififo_out     = ififo_1.getOutputPort("out");
 
             Module.InstantiatedModule torpedo_branch = new Module.InstantiatedModule(this, new TorpedoBranchModule());
             instruction.connect(torpedo_branch.getInputPort("in"));
@@ -200,7 +223,7 @@ public class FpgaDock extends FleetTwoDock implements FabricElement {
             Module.InstantiatedModule requeue_module = new Module.InstantiatedModule(this, new RequeueModule());
             Module.SinkPort   requeue_fabric_in = requeue_module.getInputPort("fabric_in");
             Module.SinkPort   requeue_ondeck    = requeue_module.getInputPort("ondeck_in");
-            Module.SinkPort   requeue_olc_in    = requeue_module.getInputPort("olc_in");
+            Module.SinkPort   requeue_abort     = requeue_module.getInputPort("abort");
             Module.SourcePort requeue_out       = requeue_module.getOutputPort("out");
 
             efifo_out.connect(requeue_fabric_in);
@@ -209,30 +232,34 @@ public class FpgaDock extends FleetTwoDock implements FabricElement {
             fanout_module_out0.connect(requeue_ondeck);
             Module.SourcePort ondeck = fanout_module_out1;
 
-            addPreCrap("assign data_latch_output = " + (inbox ? data_out.getName() : fpga.PACKET_DATA.verilogVal(data_out.getName()))+";");
-            addPreCrap("wire ["+(Math.max(ilc.width,olc.width)-1)+":0] decremented;");
-            addPreCrap("assign decremented = ("+fpga.SET_OLC_FROM_OLC_MINUS_ONE.verilog(ondeck.getName())+" ? {1'b0, olc} : ilc)-1;");
-            addPreCrap("assign "+requeue_olc_in.getName()+" = olc;");
+            WireValue decremented = new WireValue("decremented", Math.max(ilc.width,olc.width),
+                                                  new SimpleValue("("+ondeck.testMask(fpga.SET_OLC_FROM_OLC_MINUS_ONE).getVerilogTrigger()+
+                                                                  " ? olc : ilc)-1"));
+            WireValue data_latch_output_p = new WireValue("data_latch_output",
+                                                           inbox ? fpga.getWordWidth()+1 : fpga.getWordWidth(),
+                                                           (inbox
+                                                            ? new SimpleValue(data_out.getName())
+                                                            : new SimpleValue(data_out.getBits(fpga.PACKET_DATA).getVerilog()))
+                                                          );
 
-            Assignable data_latch    = new SimpleAssignable(inbox ? data_out.getName() : fpga.PACKET_DATA.verilogVal(data_out.getName()));
-            String data_latch_input  = inbox ? data_in.getName() : data_in.getName();
+            Assignable data_latch    = new SimpleAssignable(inbox ? data_out.getName() : data_out.getBits(fpga.PACKET_DATA).getVerilog());
+            Module.SourcePort  data_latch_input = inbox ? data_in : data_in;
 
-            String magic_standing_value = "(1<<"+fpga.SET_ILC_FROM_IMMEDIATE.valmaskwidth+")";
-            String done_executing       = "(ilc==0 || ilc==1 || !"+fpga.MOVE.verilog(ondeck.getName())+")";
+            BitVector bv = new BitVector(fpga.SET_ILC_FROM_IMMEDIATE.valmaskwidth+1);
+            bv.set(fpga.SET_ILC_FROM_IMMEDIATE.valmaskwidth, true);
+            Value magic_standing_value = new ConstantValue(bv);
 
-            // Torpedo Arrival
-            new Event(new Object[] { torpedo_branch_torpedo, torpedoWaiting.isEmpty() },
-                      new Action[] { torpedo_branch_torpedo, torpedoWaiting.doFill() });
+            Trigger done_executing       = new SimpleTrigger("((ilc==0) || (ilc==1) || !"+fpga.MOVE.verilog(ondeck.getName())+")");
 
             String predicate_met = 
                 "("+
                 "("+
-                "!"+fpga.MOVE.verilog(ondeck.getName())+" || ilc!=0"+
+                "!"+fpga.MOVE.verilog(ondeck.getName())+" || (ilc!=0)"+
                 ") && ("+
                 "("+
                 fpga.P_ALWAYS.verilog(ondeck.getName())+
                 ") || ("+
-                fpga.P_OLC_ZERO.verilog(ondeck.getName())+"==flag_z"+
+                fpga.P_OLC_ZERO.verilog(ondeck.getName())+"==flag_d"+
                 ")"+
                 ") && ("+
                 " " + fpga.P_A.verilog(ondeck.getName())+" ? flag_a"+
@@ -243,6 +270,8 @@ public class FpgaDock extends FleetTwoDock implements FabricElement {
                 ")"+
                 ")";
 
+            requeue_abort.connectValue(new SimpleValue("("+predicate_met+") && "+fpga.ABORT.verilog(ondeck.getName())));
+
             // Torpedo strikes
             new Event(new Object[] {
                     ondeck,
@@ -251,97 +280,118 @@ public class FpgaDock extends FleetTwoDock implements FabricElement {
                     predicate_met,
                     fpga.MOVE.verilog(ondeck.getName()),
                     "!"+fpga.NOT_INTERRUPTIBLE.verilog(ondeck.getName()),
-                    torpedoWaiting.isFull()
+                    torpedo_branch_torpedo
                 },
                 new Object[] {
                     ondeck,
-                    torpedoWaiting.doDrain(),
-                    new AssignAction(olc,    "0"),
-                    new AssignAction(flag_z, "1"),
-                    new AssignAction(ilc,    "1")
+                    torpedo_branch_torpedo,
+                    new AssignAction(olc,    new ConstantValue(new BitVector(olc.width).set(0))),
+                    new AssignAction(flag_d, new ConstantValue(new BitVector(1).set(1))),
+                    new AssignAction(ilc,    new ConstantValue(new BitVector(ilc.width).set(1)))
                 });
 
             // Predicate not met
             new Event(new Object[] { ondeck, "!("+predicate_met+")" },
                       new Action[] { ondeck,
-                                     new ConditionalAction(fpga.MOVE.verilog(ondeck.getName()), new AssignAction(ilc, "1"))
+                                     new ConditionalAction(ondeck.testMask(fpga.MOVE),
+                                                           new AssignAction(ilc, new ConstantValue(new BitVector(ilc.width).set(1))))
                       });
 
             new Event(new Object[] { ondeck,
                                      data_out,
                                      token_out,
                                      predicate_met,
-                                     "(!"+fpga.MOVE.verilog(ondeck.getName())+" || "+fpga.NOT_INTERRUPTIBLE.verilog(ondeck.getName())+" || !"+torpedoWaiting.isFull()+")",
-                                     new ConditionalTrigger(fpga.DI.verilog(ondeck.getName()), data_in),
-                                     new ConditionalTrigger(fpga.TI.verilog(ondeck.getName()), token_in)
+                                     "(!"+fpga.MOVE.verilog(ondeck.getName())+" || "+fpga.NOT_INTERRUPTIBLE.verilog(ondeck.getName())+" || !"+torpedo_branch_torpedo.isFull()+")",
+                                     new ConditionalTrigger(ondeck.testMask(fpga.DI), data_in),
+                                     new ConditionalTrigger(ondeck.testMask(fpga.TI), token_in)
                       },
                       new Action[] { 
-                          new ConditionalAction(done_executing+" && "+fpga.MOVE.verilog(ondeck.getName()), new AssignAction(ilc, "1")),
+                          new ConditionalAction(new AndTrigger(done_executing, ondeck.testMask(fpga.MOVE)),
+                                                new AssignAction(ilc, new ConstantValue(new BitVector(ilc.width).set(1)))),
                           new ConditionalAction(done_executing, ondeck),
-                          new ConditionalAction("!"+done_executing,
-                                                new AssignAction(ilc,
-                                                                 "ilc=="+magic_standing_value+"?"+magic_standing_value+":decremented")),
-
-                          new ConditionalAction(fpga.SET_OLC_FROM_DATA_LATCH.verilog(ondeck.getName()), new AssignAction(olc, "data_latch_output")),
-                          new ConditionalAction(fpga.SET_OLC_FROM_IMMEDIATE.verilog(ondeck.getName()),
-                                                new AssignAction(olc, fpga.SET_OLC_FROM_IMMEDIATE.verilogVal(ondeck.getName()))),
-                          new ConditionalAction(fpga.SET_OLC_FROM_OLC_MINUS_ONE.verilog(ondeck.getName()),
-                                                new AssignAction(olc, "olc==0 ? 0 : decremented")),
-
-                          new ConditionalAction(fpga.SET_OLC_FROM_DATA_LATCH.verilog(ondeck.getName()), new AssignAction(flag_z, "0")),
-                          new ConditionalAction(fpga.SET_OLC_FROM_IMMEDIATE.verilog(ondeck.getName()), new AssignAction(flag_z, "0")),
-                          new ConditionalAction(fpga.SET_OLC_FROM_OLC_MINUS_ONE.verilog(ondeck.getName()), new AssignAction(flag_z, "(olc==0 || olc==1)")),
-
-                          new ConditionalAction(fpga.SET_ILC_FROM_DATA_LATCH.verilog(ondeck.getName()), new AssignAction(ilc, "data_latch_output")),
-                          new ConditionalAction(fpga.SET_ILC_FROM_IMMEDIATE.verilog(ondeck.getName()),
-                                                new AssignAction(ilc, fpga.SET_ILC_FROM_IMMEDIATE.verilogVal(ondeck.getName()))),
-                          new ConditionalAction(fpga.SET_ILC_FROM_INFINITY.verilog(ondeck.getName()), new AssignAction(ilc, magic_standing_value)),
-                          new ConditionalAction(fpga.SHIFT.verilog(ondeck.getName()),
+                          new ConditionalAction(done_executing.invert(),
+                                                new AssignAction(ilc, new MuxValue(new TestValue(ilc, TestValue.TestType.EQ, magic_standing_value),
+                                                                                   magic_standing_value,
+                                                                                   decremented.getBits(ilc.width-1,0)))),
+                          new ConditionalAction(ondeck.testMask(fpga.SET_OLC_FROM_DATA_LATCH),
+                                                new AssignAction(olc, new SimpleValue("data_latch_output"))),
+                          new ConditionalAction(ondeck.testMask(fpga.SET_OLC_FROM_IMMEDIATE),
+                                                new AssignAction(olc, ondeck.getBits(fpga.SET_OLC_FROM_IMMEDIATE))),
+                          new ConditionalAction(ondeck.testMask(fpga.SET_OLC_FROM_OLC_MINUS_ONE),
+                                                new AssignAction(olc, new SimpleValue("olc==0 ? 0 : decremented"))),
+
+                          new ConditionalAction(ondeck.testMask(fpga.SET_OLC_FROM_DATA_LATCH),
+                                                new AssignAction(flag_d, new SimpleValue("data_latch_output==0"))),
+                          new ConditionalAction(ondeck.testMask(fpga.SET_OLC_FROM_IMMEDIATE),
+                                                new AssignAction(flag_d, new SimpleValue(ondeck.getBits(fpga.SET_OLC_FROM_IMMEDIATE).getVerilog()+"==0"))),
+                          new ConditionalAction(ondeck.testMask(fpga.SET_OLC_FROM_OLC_MINUS_ONE),
+                                                new AssignAction(flag_d, new SimpleValue("(olc==0 || olc==1)"))),
+
+                          new ConditionalAction(ondeck.testMask(fpga.SET_ILC_FROM_DATA_LATCH),
+                                                new AssignAction(ilc, new SimpleValue("data_latch_output"))),
+
+                          new ConditionalAction(ondeck.testMask(fpga.SET_ILC_FROM_IMMEDIATE),
+                                                new AssignAction(ilc, ondeck.getBits(fpga.SET_ILC_FROM_IMMEDIATE))),
+                          new ConditionalAction(ondeck.testMask(fpga.SET_ILC_FROM_INFINITY),
+                                                new AssignAction(ilc, magic_standing_value)),
+                          new ConditionalAction(ondeck.testMask(fpga.SHIFT),
                                                 new AssignAction(data_latch,
-                                                                 "{ data_latch_output["+(fpga.getWordWidth()-1-fpga.SHIFT.valmaskwidth)+":0], "+
-                                                                 fpga.SHIFT.verilogVal(ondeck.getName())+"}")),
-                          new ConditionalAction(fpga.SET_IMMEDIATE.verilog(ondeck.getName()),
+                                                                 new SimpleValue("{ data_latch_output["+(fpga.getWordWidth()-1-fpga.SHIFT.valmaskwidth)+":0], "+
+                                                                                 ondeck.getBits(fpga.SHIFT).getVerilog()+"}"))),
+                          new ConditionalAction(ondeck.testMask(fpga.SET_IMMEDIATE),
                                                 new AssignAction(data_latch,
-                                                                 "{ {"+(fpga.getWordWidth()-fpga.DataLatch_WIDTH)+
-                                                                 "{"+fpga.SET_IMMEDIATE_EXTEND.verilogVal(ondeck.getName())+"}}, "+
-                                                                 fpga.SET_IMMEDIATE.verilogVal(ondeck.getName())+" }")),
-                          new ConditionalAction(fpga.SET_FLAGS.verilog(ondeck.getName()), new AssignAction(flag_a, new_flag(fpga.SET_FLAGS_A.verilogVal(ondeck.getName())))),
-                          new ConditionalAction(fpga.SET_FLAGS.verilog(ondeck.getName()), new AssignAction(flag_b, new_flag(fpga.SET_FLAGS_B.verilogVal(ondeck.getName())))),
-                          new ConditionalAction(inbox
-                                                ? "("+fpga.DI.verilog(ondeck.getName())+" || "+fpga.TI.verilog(ondeck.getName())+")"
-                                                : "(!"+fpga.DI.verilog(ondeck.getName())+" && "+fpga.TI.verilog(ondeck.getName())+")",
-                                                new AssignAction(flag_c, dfifo_out.getBits(dfifo_width-1, dfifo_width-1))),
-                          new ConditionalAction(fpga.DI.verilog(ondeck.getName()),    data_in),
-                          new ConditionalAction(fpga.DO.verilog(ondeck.getName()),    data_out),
-                          new ConditionalAction(fpga.FLUSH.verilog(ondeck.getName()), data_out),
+                                                                 new SimpleValue("{ {"+(fpga.getWordWidth()-fpga.DataLatch_WIDTH)+
+                                                                                 "{"+ondeck.getBits(fpga.SET_IMMEDIATE_EXTEND).getVerilog()+"}}, "+
+                                                                                 ondeck.getBits(fpga.SET_IMMEDIATE).getVerilog()+" }"))),
+                          new ConditionalAction(ondeck.testMask(fpga.SET_FLAGS),
+                                                new AssignAction(flag_a, new_flag(ondeck.getBits(fpga.SET_FLAGS_A),flag_a,flag_b,flag_c))),
+                          new ConditionalAction(ondeck.testMask(fpga.SET_FLAGS),
+                                                new AssignAction(flag_b, new_flag(ondeck.getBits(fpga.SET_FLAGS_B),flag_a,flag_b,flag_c))),
+                          new ConditionalAction(ondeck.testMask(fpga.MOVE),
+                                                new AssignAction(flag_c,
+                                                                 inbox
+                                                                 ? dfifo_out.getBits(dfifo_width-1, dfifo_width-1)
+                                                                 : new MuxValue(ondeck.testMask(fpga.DC),
+                                                                                ship_out.getBits(fpga.getWordWidth(), fpga.getWordWidth()),
+                                                                                dfifo_out.getBits(dfifo_width-1, dfifo_width-1))
+                                                                 )),
+                          new ConditionalAction(ondeck.testMask(fpga.DI),    data_in),
+                          new ConditionalAction(ondeck.testMask(fpga.DO),    data_out),
+                          new ConditionalAction(ondeck.testMask(fpga.FLUSH), data_out),
                           inbox
-                          ? new AssignAction(new SimpleAssignable(data_out.getName()+"["+fpga.getWordWidth()+"]"), fpga.FLUSH.verilog(ondeck.getName())+"?1:0")
-                          : new ConditionalAction(fpga.DI.verilog(ondeck.getName()),   new AssignAction(flag_c, data_latch_input+"["+fpga.getWordWidth()+"]")),
-                          new ConditionalAction(fpga.TI.verilog(ondeck.getName()),    token_in),
-                          new ConditionalAction(fpga.TO.verilog(ondeck.getName()),    token_out),
-                          new ConditionalAction(fpga.DC.verilog(ondeck.getName()),   new AssignAction(data_latch, data_latch_input)),
-                          new AssignAction(new SimpleAssignable(fpga.PACKET_TOKEN.verilogVal(token_out.getName())), "("+fpga.TO.verilog(ondeck.getName())+")?1:0"),
-                          new ConditionalAction(fpga.PATH_DATA.verilog(ondeck.getName()),
-                                                new AssignAction(new SimpleAssignable("{ "+fpga.PACKET_SIGNAL.verilogVal(token_out.getName())+", "+
-                                                                                      fpga.PACKET_DEST.verilogVal(token_out.getName())+" }"),
-                                                                 fpga.DISPATCH_PATH.verilogVal(data_latch_input))),
-                          new ConditionalAction(fpga.PATH_IMMEDIATE.verilog(ondeck.getName()),
-                                                new AssignAction(new SimpleAssignable("{ "+fpga.PACKET_SIGNAL.verilogVal(token_out.getName())+", "+
-                                                                                      fpga.PACKET_DEST.verilogVal(token_out.getName())+" }"),
-                                                                 fpga.PATH_IMMEDIATE.verilogVal(ondeck.getName()))),
+                          ? new AssignAction(new SimpleAssignable(data_out.getName()+"["+fpga.getWordWidth()+"]"),
+                                             new SimpleValue(fpga.FLUSH.verilog(ondeck.getName())+"?1:0"))
+                          : null,
+                          new ConditionalAction(ondeck.testMask(fpga.TI),    token_in),
+                          new ConditionalAction(ondeck.testMask(fpga.TO),    token_out),
+                          new ConditionalAction(ondeck.testMask(fpga.DC),   new AssignAction(data_latch, data_latch_input)),
+                          new AssignAction(token_out.getBits(fpga.PACKET_TOKEN),
+                                           new SimpleValue("("+fpga.TO.verilog(ondeck.getName())+")?1:0")),
+                          new ConditionalAction(ondeck.testMask(fpga.PATH_DATA),
+                                                new AssignAction(new SimpleAssignable("{ "+token_out.getBits(fpga.PACKET_SIGNAL).getVerilog()+", "+
+                                                                                      token_out.getBits(fpga.PACKET_DEST).getVerilog()+" }"),
+                                                                 data_latch_input.getBits(fpga.DISPATCH_PATH))),
+                          new ConditionalAction(ondeck.testMask(fpga.PATH_IMMEDIATE),
+                                                new AssignAction(new SimpleAssignable("{ "+token_out.getBits(fpga.PACKET_SIGNAL).getVerilog()+", "+
+                                                                                      token_out.getBits(fpga.PACKET_DEST).getVerilog()+" }"),
+                                                                 ondeck.getBits(fpga.PATH_IMMEDIATE)))
                       }
-                      );
+                );
         }
 
-        private String new_flag(String x) {
-            return "("+
-                "( (("+x+" >> 0) & 1) & !flag_c) |" +
-                "( (("+x+" >> 1) & 1) &  flag_c) |" +
-                "( (("+x+" >> 2) & 1) & !flag_b) |" +
-                "( (("+x+" >> 3) & 1) &  flag_b) |" +
-                "( (("+x+" >> 4) & 1) & !flag_a) |" +
-                "( (("+x+" >> 5) & 1) &  flag_a) | 0" +
-                ")";
+        private Value new_flag(Value v, Value flag_a, Value flag_b, Value flag_c) {
+            Value[] vals = new Value[] {
+                new LogicValue(v.getBits(0,0), LogicValue.LogicType.AND, flag_c.invertBits()),
+                new LogicValue(v.getBits(1,1), LogicValue.LogicType.AND, flag_c),
+                new LogicValue(v.getBits(2,2), LogicValue.LogicType.AND, flag_b.invertBits()),
+                new LogicValue(v.getBits(3,3), LogicValue.LogicType.AND, flag_b),
+                new LogicValue(v.getBits(4,4), LogicValue.LogicType.AND, flag_a.invertBits()),
+                new LogicValue(v.getBits(5,5), LogicValue.LogicType.AND, flag_a),
+            };
+            Value ret = new ConstantValue(new BitVector(1).set(0));
+            for(int i=0; i<vals.length; i++)
+                ret = new LogicValue(ret, LogicValue.LogicType.OR, vals[i]);
+            return ret;
         }
     }
 }