SH4_IPRD
{ "IRL0", SH4_IPRD, 12 },
{ "IRL1", SH4_IPRD, 8 },
{ "IRL2", SH4_IPRD, 4 },
{ "IRL3", SH4_IPRD, 0 },
_reg_write_2(SH4_IPRD, 0);