INT 50 - Vanderaart TEXT WINDOWS - EDIT LINE IN WINDOW AX = 0006h ES:BX -> text string CH = type of input (see #03242) DH,DL = row,column of upper left corner DI = window handle Return: AX = key which terminated entry 0000h Enter 0001h Esc 0002h Down arrow 0003h Up arrow 0004h F10