module moduloNK #(parameter N = 10, parameter K = 1, parameter bits = clogb2(N)) (input clk, rst, input reg [bits:0] cout);

    reg [clogb2(K) - 1: 0] internalCounter;

    always @(posedge clk, posedge rst)
        if(rst)
            begin
                cout <= 0;
                internalCounter <= K;
            end
        else
            if(internalCounter == 1'b0)
                if(cout == N - 1'b1)
                    cout <= 0;
                else
                    cout <= cout + 1;

    always @(posedge clk)
        if(internalCounter == 1'b0)
            internalCounter <= K;
        else
            internalCounter <= internalCounter + 1;

function clogb2(input integer value);
    for(clogb2 = 0; value > 0; clogb2 = clogb2 + 1)
        value >> 1;
endfunction