//Horizontal counter
always @(posedge pclk or posedge rst)
if (rst)
    hcount <= 0;
else
   begin
       if (hcount == HorTotalTime - 1)
        hcount <= 0;
       else
        hcount <= hcount + 1;
       end

//Vertical counter
always @(posedge pclk or posedge rst)
if (rst)
    hcount <= 0;
else
   begin
    if (hcount == HorTotalTime - 1)
        begin
            if (vcount == VerTotalTime - 1)
                vcount <= 0;
            else
                vcount <= vcount +1;
        end
   end

always @(posedge pclk or posedge rst)
    if (rst) begin
        hsync <= 0;
        vsync <= 0;
        hblnk <= 0;
        vblnk <= 0;
    end

    else begin

    if (hcount >= HorSyncStart && hcount <= (HorSyncStart + HorTimeWidth)) begin
        hsync = 1;
    end
    else begin
        hsync = 0;
    end

    if (vcount >= VerSyncStart && vcount <= (VerSyncStart + VerTimeWidth)) begin
        vsync = 1;
    end
    else begin
        vsync = 0;
    end

    if (hcount >= HorTimeToDisplay) begin
        hblnk = 1;
    end
    else begin
        hblnk = 0;
    end

    if (vcount >= VerTimeToDisplay) begin
        vblnk = 1;
    end
    else begin
        vblnk = 0;
    end

    end

endmodule