Int 21H, AH=08H

1 and higher

CHARACTER INPUT WITHOUT ECHO

DosRead

AH = 08h

AL = character read from standard input

^C/^Break are checked, and INT 23 executed if detected standard input is always the keyboard under DOS 1.x, but may be redirected under DOS 2+

if the interim console flag is set (see AX=6301h), partially-formed double-byte characters may be returned

AH=01h,AH=06h,AH=07h,AH=0Ah,AH=64h“DOS 3.2+”

Text based on Ralf Brown Interrupt List Release 61