jc42_temp_from_reg
*val = jc42_temp_from_reg(regval);
*val = jc42_temp_from_reg(regval);
*val = jc42_temp_from_reg(regval);
*val = jc42_temp_from_reg(regval);
temp = jc42_temp_from_reg(regval);
temp = jc42_temp_from_reg(regval);
diff = jc42_temp_from_reg(regval) - val;