Int 62 Fn 0040 u - Fgdriver V4.02 - "fg_getcolor" - Get Current Text Att [V]
AX = 0040h
Return: AX = current text attribute or color index (graphics modes)
Note: the FGDRIVER functions are rearranged with each major release, but
their parameters do not change (see #3145 at AX=0000h)
See Also: AX=000Bh,AX=003Ah,AX=00A6h