addrmap top {
    field strobe_t {
        sw=w; hw=r; singlepulse;
    };

    reg {
        field {
            sw=r; hw=r; counter;
            incrsaturate;
            decrsaturate;
        } count[8] = 0;

        strobe_t increment[9:9] = 0;
        strobe_t decrement[10:10] = 0;
        strobe_t clear[11:11] = 0;
        strobe_t set[12:12] = 0;

        field {
            sw=rw; hw=na;
        } step[23:16] = 1;

        count->incr = increment;
        count->decr = decrement;
        count->hwclr = clear;
        count->hwset = set;
        count->incrvalue = step;
        count->decrvalue = step;
    } saturate_via_bool @ 0x0;


    reg {
        field {
            sw=r; hw=r; counter;
            incrsaturate = 250;
            decrsaturate = 5;
        } count[8] = 0;

        strobe_t increment[9:9] = 0;
        strobe_t decrement[10:10] = 0;
        strobe_t clear[11:11] = 0;
        strobe_t set[12:12] = 0;

        field {
            sw=rw; hw=na;
        } step[23:16] = 1;

        count->incr = increment;
        count->decr = decrement;
        count->hwclr = clear;
        count->hwset = set;
        count->decrvalue = step;
        count->incrvalue = count->decrvalue;
    } saturate_via_const @ 0x4;


    reg {
        field {
            sw=r; hw=r; counter;
        } count[8] = 0;

        strobe_t increment[9:9] = 0;
        strobe_t decrement[10:10] = 0;
        strobe_t clear[11:11] = 0;
        strobe_t set[12:12] = 0;

        field {
            sw=rw; hw=na;
        } step[23:16] = 1;

        count->incr = increment;
        count->decr = decrement;
        count->hwclr = clear;
        count->hwset = set;
        count->incrvalue = step;
        count->decrvalue = count->incrvalue;
    } saturate_via_ref @ 0x8;

    reg {
        field {
            sw=rw; hw=na;
        } min[8] = 0x00;
        field {
            sw=rw; hw=na;
        } max[8] = 0xFF;
    } saturate_control @ 0xC;
    saturate_via_ref.count -> decrsaturate = saturate_control.min;
    saturate_via_ref.count -> incrsaturate = saturate_control.max;
};