INT 62 u - FGDRIVER v4.02 - "FG_SETCAPS" - SET STATE OF CAPSLOCK KEY
AX = 00A8h
BX = new state (0000h off, 0001h on)
Note: the FGDRIVER functions are rearranged with each major release, but
their parameters do not change (see #03474 at AX=0000h)
SeeAlso: AX=000Ah,AX=0082h,AX=00A4h,AX=00B1h