Category: video
INT 10 - VIDEO - WRITE STRING (AT and later,EGA) AH = 13h AL = write mode bit 0: update cursor after writing bit 1: string contains alternating characters and attributes bits 2-7: reserved (0) BH = page number BL = attribute if string contains only characters CX = number of characters in string DH,DL = row,column at which to start writing ES:BP -> string to write Return: nothing Notes: recognizes CR, LF, BS, and bell; for the ET4000 BIOS, scrolling, backspace, and CR only take place in the active page also available PC or XT with EGA or higher HP 95LX only supports write mode 00h IBM documents AL=10h,11h,20h,21h as "private" rather than "reserved" with PhysTechSoft's PTS ROM-DOS the AL,BH,BL,DH, and DL values are ignored on entry. BUG: on the IBM VGA Adapter, any scrolling which may occur is performed on the active page rather than the requested page SeeAlso: AH=09h,AH=0Ah,AH=13h"DOS/V"