INT 49 - TI Professional PCIBM PC - CRT - CLEAR ENTIRE TEXT SCREEN AND HOME CURSOR AH = 13h Return: nothing Note: AH=00h,04h,05h,0Bh,0Ch,0Dh,0Fh are documented as NOPs SeeAlso: AH=01h,AH=02h,AH=06h,AH=14h