greenpak4: Initial version of GP_DCMP skeleton (not yet usable). Changed interface...

diff --git a/techlibs/greenpak4/cells_sim.v b/techlibs/greenpak4/cells_sim.v
index cd50869515ca929dda173d89188942d33215ca7c..14c442cb47d8a35a1ab437e5bebcc81d853bcf41 100644 (file)
--- a/techlibs/greenpak4/cells_sim.v
+++ b/techlibs/greenpak4/cells_sim.v
@@ -132,19 +132,38 @@ module GP_DAC(input[7:0] DIN, input wire VREF, output reg VOUT);
 
 endmodule
 
+module GP_DCMP(input[7:0] INP, input[7:0] INN, input CLK, input PWRDN);
+endmodule
+
 module GP_DCMPREF(output reg[7:0]OUT);
        parameter[7:0] REF_VAL = 8'h00;
        initial OUT = REF_VAL;
 endmodule
 
-module GP_DCMPMUX(input[1:0] SEL, input[7:0] IN0, input[7:0] IN1, input[7:0] IN2, input[7:0] IN3, output reg[7:0] OUT);
+module GP_DCMPMUX(input[1:0] SEL, input[7:0] IN0, input[7:0] IN1, input[7:0] IN2, input[7:0] IN3, output reg[7:0] OUTA, output reg[7:0] OUTB);
 
        always @(*) begin
                case(SEL)
-                       2'b00: OUT <= IN0;
-                       2'b10: OUT <= IN1;
-                       2'b01: OUT <= IN2;
-                       2'b11: OUT <= IN3;
+                       2'b00: begin
+                               OUTA <= IN0;
+                               OUTB <= IN3;
+                       end
+
+                       2'b01: begin
+                               OUTA <= IN1;
+                               OUTB <= IN2;
+                       end
+
+                       2'b02: begin
+                               OUTA <= IN2;
+                               OUTB <= IN1;
+                       end
+
+                       2'b03: begin
+                               OUTA <= IN3;
+                               OUTB <= IN0;
+                       end
+
                endcase
        end
 endmodule