0:417h Shift Status
Length: 1 byte
Shift Status
7 6 5 4 3 2 1 0
x . . . . . . . Insert locked
. x . . . . . . Caps Lock locked
. . x . . . . . Num Lock locked
. . . x . . . . Scroll Lock locked
. . . . x . . . Alt key is pressed
. . . . . x . . Ctrl key is pressed
. . . . . . x . Left Shift key is pressed
. . . . . . . x Right Shift key is pressed
See also: INT 16h, 02h
See also: 0:418h