Added level-triggered reset support to GP_COUNTx simulation models

diff --git a/techlibs/greenpak4/cells_sim_digital.v b/techlibs/greenpak4/cells_sim_digital.v
index 91d7440394444f5dfa55310c37dbb6e968677e29..eb18a20b6ff9817de6517b44c71f9ea55251ab06 100644 (file)
--- a/techlibs/greenpak4/cells_sim_digital.v
+++ b/techlibs/greenpak4/cells_sim_digital.v
@@ -86,6 +86,14 @@ module GP_COUNT14(input CLK, input wire RST, output reg OUT);
                        end
 
                        "LEVEL": begin
+                               always @(posedge CLK or RST) begin
+                                       count           <= count - 1'd1;
+                                       if(count == 0)
+                                               count   <= COUNT_TO;
+
+                                       if(RST)
+                                               count   <= 0;
+                               end
                        end
 
                        default: begin
@@ -178,7 +186,7 @@ module GP_COUNT14_ADV(input CLK, input RST, output reg OUT,
                                                count   <= COUNT_TO;
 
                                        //Resets
-                                       if(RST) begin
+                                       if(!RST) begin
                                                if(RESET_VALUE == "ZERO")
                                                        count   <= 0;
                                                else
@@ -196,6 +204,31 @@ module GP_COUNT14_ADV(input CLK, input RST, output reg OUT,
                        end
 
                        "LEVEL": begin
+                               always @(posedge CLK or RST) begin
+
+                                       //Main counter
+                                       if(KEEP) begin
+                                       end
+                                       else if(UP)
+                                               count           <= count + 1'd1;
+                                       else
+                                               count           <= count - 1'd1;
+
+                                       //Wrapping
+                                       if(count == 0 && !UP)
+                                               count   <= COUNT_TO;
+                                       if(count == 14'h3fff && UP)
+                                               count   <= COUNT_TO;
+
+                                       //Resets
+                                       if(RST) begin
+                                               if(RESET_VALUE == "ZERO")
+                                                       count   <= 0;
+                                               else
+                                                       count   <= COUNT_TO;
+                                       end
+
+                               end
                        end
 
                        default: begin
@@ -288,7 +321,7 @@ module GP_COUNT8_ADV(input CLK, input RST, output reg OUT,
                                                count   <= COUNT_TO;
 
                                        //Resets
-                                       if(RST) begin
+                                       if(!RST) begin
                                                if(RESET_VALUE == "ZERO")
                                                        count   <= 0;
                                                else
@@ -306,6 +339,31 @@ module GP_COUNT8_ADV(input CLK, input RST, output reg OUT,
                        end
 
                        "LEVEL": begin
+                               always @(posedge CLK or RST) begin
+
+                                       //Main counter
+                                       if(KEEP) begin
+                                       end
+                                       else if(UP)
+                                               count           <= count + 1'd1;
+                                       else
+                                               count           <= count - 1'd1;
+
+                                       //Wrapping
+                                       if(count == 0 && !UP)
+                                               count   <= COUNT_TO;
+                                       if(count == 8'hff && UP)
+                                               count   <= COUNT_TO;
+
+                                       //Resets
+                                       if(RST) begin
+                                               if(RESET_VALUE == "ZERO")
+                                                       count   <= 0;
+                                               else
+                                                       count   <= COUNT_TO;
+                                       end
+
+                               end
                        end
 
                        default: begin
@@ -381,6 +439,14 @@ module GP_COUNT8(
                        end
 
                        "LEVEL": begin
+                               always @(posedge CLK or RST) begin
+                                       count           <= count - 1'd1;
+                                       if(count == 0)
+                                               count   <= COUNT_TO;
+
+                                       if(RST)
+                                               count   <= 0;
+                               end
                        end
 
                        default: begin