Navigation: Language Reference > 13 - Built-in Functions >====== KEYSTATE (return keyboard status) ====== | |
KEYSTATE( )
The KEYSTATE procedure returns a bitmap containing the status of the SHIFT, CTRL, ALT, any extended key, CAPS LOCK, NUM LOCK, SCROLL LOCK, and INSERT keys for the last KEYCODE procedure return value. The bitmap is contained in the high-order byte of the returned SHORT.
x . . . . . . . insert key (8000h)
. x . . . . . . scroll lock (4000h)
. . x . . . . . num lock (2000h)
. . . x . . . . caps lock (1000h)
. . . . x . . . extended (0800h)
. . . . . x . . alt (0400h)
. . . . . . x . ctrl (0200h)
. . . . . . . x shift (0100h)
Return Data Type: | UNSIGNED |
Example:
ACCEPT !Loop on the display
CASE KEYCODE() !Process the keystroke
OF EnterKey !User pressed Enter
IF BAND(KEYSTATE(),0800h) !Detect enter on numeric keypad
PRESSKEY(TabKey) !press tab for the user
END
END
END
See Also: