0:418h                   Extended Shift Status
 
 Length: 1 byte
 
 
                        Extended Shift Status
 
               7 6 5 4 3 2 1 0
               x . . . . . . .      Ins key is pressed
               . x . . . . . .      Caps Lock key is pressed
               . . x . . . . .      Num Lock key is pressed
               . . . x . . . .      Scroll Lock key is pressed
               . . . . x . . .      Pause key locked
               . . . . . x . .      SysReq key is pressed
               . . . . . . x .      Left Alt key is pressed
               . . . . . . . x      Right Ctrl key is pressed
 
 
    Bits 2 through 0 are valid only for the 101/102-key keyboard.
 
    On the PCjr, bit 2 is used to indicate if Key Click is active.

Seealso:


 INT 16h, 12h 
 0:417h 
 0:496h