update Alu3 test to use blend

[fleet.git] / ships / Fifo.ship

diff --git a/ships/Fifo.ship b/ships/Fifo.ship
index 8c96494..bffd2ba 100644 (file)
--- a/ships/Fifo.ship
+++ b/ships/Fifo.ship
@@ -7,7 +7,7 @@ data  out:  out
 == Constants ========================================================
 == TeX ==============================================================
 == Fleeterpreter ====================================================
-    private Queue<Integer> fifo = new LinkedList<Integer>();
+    private Queue<Long> fifo = new LinkedList<Long>();
     public void service() {
         if (box_in.dataReadyForShip()) {
             fifo.add(box_in.removeDataForShip());
@@ -17,8 +17,52 @@ data  out:  out
         }
     }
 
-== ArchSim ==============================================================
+== FleetSim ==============================================================
 == FPGA ==============================================================
+`include "macros.v"
+
+// fifo *ship*: a 16-deep word-wide fifo
+module fifo (clk, 
+             in_r,  in_a, in_d,
+             out_r, out_a, out_d);
+
+  input  clk;
+  input  in_r;
+  input  out_a;
+  output in_a;
+  output out_r;
+  input  [(`DATAWIDTH-1):0] in_d;
+  output [(`DATAWIDTH-1):0] out_d;
+
+  wire   [(`DATAWIDTH-1):0] d12;
+  wire   [(`DATAWIDTH-1):0] d23;
+  wire   [(`DATAWIDTH-1):0] d34;
+
+  fifo4 s1(clk, in_r, in_a, in_d, r12, a12,     d12);
+  fifo4 s2(clk, r12,  a12,  d12,  r23, a23,     d23);
+  fifo4 s3(clk, r23,  a23,  d23,  r34, a34,     d34);
+  fifo4 s4(clk, r34,  a34,  d34,  out_r, out_a, out_d);
+
+endmodule
+
+== Test =================================================================
+// expected output
+#expect 9
+
+// ships required in order to run this code
+#ship debug        : Debug
+#ship fifo         : Fifo
+
+debug.in:   [*] take, deliver;
+9:            sendto fifo.in;
+fifo.in:
+  take;
+  [100] deliver;
+fifo.out:
+  (99) take, sendto fifo.in;
+  (1)  take, sendto debug.in;
+
+
 
 == Contributors =========================================================
 Adam Megacz <megacz@cs.berkeley.edu>