I'm doing sale of stock long term uncovered. my spouse deceased in Sep 2014 and stock was JTROS would half of stock prior to the date of death need to show adj cost basi

Yes, you would increase your basis for 50% of the increase between your cost basis and the date of death fair market value (or alternate date of death value).

Enter the information as it appears on the 1099-B, then on the screen Let's get the rest of the info from your (your account) 1099-B, enter the adjusted basis in the Corrected cost basis line and check This item was inherited box.