True-color BGI-driver for Borland Pascal 7.0 ?

Can anybody help me  ?

I'm looking for an BGI-driver for Borland Pascal 7.0 which
is capable of drawing and writing text in true-color mode.
(640*480*16Mil)

Does anybody have such a driver or knows where to get it ???

Thanks,

Remco van den Berg,
rvdb...@ehv.sc.philips.com