Int 49 Fn 13  - Ti Professional Pc - Crt - Clear Entire Text Screen And H  [V]

   AH = 13h

Return: nothing

Note:  AH=00h,04h,05h,0Bh,0Ch,0Dh,0Fh are documented as NOPs

See Also: AH=01h,AH=02h,AH=06h,AH=14h