pub const Feature = enum {
    isa_68000,
    isa_68010,
    isa_68020,
    isa_68030,
    isa_68040,
    isa_68060,
    isa_68881,
    isa_68882,
    reserve_a0,
    reserve_a1,
    reserve_a2,
    reserve_a3,
    reserve_a4,
    reserve_a5,
    reserve_a6,
    reserve_d0,
    reserve_d1,
    reserve_d2,
    reserve_d3,
    reserve_d4,
    reserve_d5,
    reserve_d6,
    reserve_d7,
}