get rid of ChainControls

[fleet.git] / ships / Lut3.ship

diff --git a/ships/Lut3.ship b/ships/Lut3.ship
index 3820874..a85b8f3 100644 (file)
--- a/ships/Lut3.ship
+++ b/ships/Lut3.ship
@@ -62,11 +62,12 @@ is considered ``bit zero'').
 == FleetSim ==============================================================
 == FPGA ==============================================================
 
+  reg          out_draining;
   wire [7:0]              lut;
 
   genvar i;
   generate
-    for(i=0; i<`DATAWIDTH; i=i+1) begin : OUT
+    for(i=0; i<`WORDWIDTH; i=i+1) begin : OUT
       assign out_d_[i] = lut[{in3_d[i], in2_d[i], in1_d[i]}];
     end
   endgenerate
@@ -74,22 +75,21 @@ is considered ``bit zero'').
   assign lut = inLut_d[7:0];
 
   always @(posedge clk) begin
-    if (!rst) begin
+    if (rst) begin
       `reset
+      out_draining <= 0;
     end else begin
-      if (!in1_r && in1_a)     in1_a <= 0;
-      if (!in2_r && in2_a)     in2_a <= 0;
-      if (!in3_r && in3_a)     in3_a <= 0;
-      if (!inLut_r && inLut_a) inLut_a <= 0;
-      if (out_r && out_a) begin
-         in1_a <= 1;
-         in2_a <= 1;
-         in3_a <= 1;
-         inLut_a <= 1;
-         out_r <= 0;
+      `cleanup
+      if (out_draining && `out_empty) begin
+         `drain_in1
+         `drain_in2
+         `drain_in3
+         `drain_inLut
+         out_draining <= 0;
       end
-      if (in1_r && !in1_a && in2_r && !in2_a && in3_r && !in3_a && inLut_r && !inLut_a && !out_r && !out_a) begin
-        out_r <= 1;
+      if (!out_draining && `in1_full && `in2_full && `in3_full && `inLut_full && `out_empty) begin
+         `fill_out
+         out_draining <= 1;
       end
     end
   end
@@ -375,8 +375,9 @@ alu.in1:
    set ilc=*;  recv, deliver;
 alu.out:
   set olc=2;
-  [Rq] recv token, collect, send to lut.inLut;
-  [Rq] send to alu.in1;
+  head;
+  recv token, collect, send to lut.inLut;
+  send to alu.in1;
   tail;
 
 lut.inLut: