calc_done, wtmp_int, opp_int, z_sign_int, err_int, errc_int,
calc_error, op2_int, state_int, p_write_int, z_int, rbyte_int,
p_rget_int, opcode_int, op1_int, op3, opM, do_calc_int,
calc_done, wtmp_int, opp_int, z_sign_int, err_int, errc_int,
calc_error, op2_int, state_int, p_write_int, z_int, rbyte_int,
p_rget_int, opcode_int, op1_int, op3, opM, do_calc_int,