addrmap test_regblock {
    reg my_reg {
        field { sw=rw; hw=r; anded;} a[8] = 0x10;
        field { sw=rw; hw=r; ored;} b[8] = 0x20;
        field { sw=rw; hw=r; swmod;} c[8] = 0x30;
    };

    my_reg r0 @0x000;
    my_reg r1 @0x100;
    my_reg r2 @0x200;
};