This system sumulates a true colour display with a little trick.
Looks very interesting !
C-Source and Examples included included.

 PERMSSN    UID  GID    PACKED    SIZE  RATIO     CRC       STAMP          NAME
---------- ----------- ------- ------- ------ ---------- ------------ -------------
[generic]                 7745   15296  50.6% -lh5- bcb4 Oct  2  1995 MC/mc_bleed
[generic]                 2015    6892  29.2% -lh5- 3166 Oct  2  1995 MC/mc_bleed.c
[generic]                  255    2288  11.1% -lh5- 2f0c Oct  1  1995 MC/mc_ehb.brush
[generic]                  115     252  45.6% -lh5- fdd8 Oct  1  1995 MC/mc_ehb.palatte
[generic]                11932   21504  55.5% -lh5- 67d1 Oct  2  1995 MC/mc_picview
[generic]                 1734    5843  29.7% -lh5- bc55 Oct  2  1995 MC/mc_PicView.c
[generic]                10435   19676  53.0% -lh5- 2031 Oct  2  1995 MC/mc_Plasma
[generic]                 2083    7316  28.5% -lh5- b29a Oct  2  1995 MC/mc_Plasma.c
[generic]                11585   21420  54.1% -lh5- 3ffa Oct  2  1995 MC/mc_spots
[generic]                 2032    6906  29.4% -lh5- c679 Oct  2  1995 MC/mc_spots.c
[generic]                 1425    3358  42.4% -lh5- e166 Oct  2  1995 MC/MultiColor.doc
[generic]                 2247   12011  18.7% -lh5- 46fd Oct  2  1995 MC/multicolor.h
[generic]                  273     476  57.4% -lh5- 284a Oct  2  1995 mc/scoptions
[generic]                  145     760  19.1% -lh5- 8ea2 Mar  2  1995 MC/spotlists/spotlist0
[generic]                  271    1120  24.2% -lh5- b8b4 Mar  2  1995 MC/spotlists/spotlist1
[generic]                   89     320  27.8% -lh5- e38f Mar  2  1995 MC/spotlists/SpotList2
[generic]                  110     560  19.6% -lh5- ac20 Mar  2  1995 MC/spotlists/SpotList3
[generic]                  122     249  49.0% -lh5- 6077 Nov 23  1993 MC/spotlists/SpotList4
[generic]                  115     274  42.0% -lh5- c008 Nov 23  1993 MC/spotlists/SpotList5
[generic]                  134     288  46.5% -lh5- c851 Nov 23  1993 MC/spotlists/SpotList6
[generic]                36674   65136  56.3% -lh5- 6edd Oct  2  1995 MC/crystal3d.b
[generic]                35030   65136  53.8% -lh5- 391d Oct  2  1995 MC/crystal3d.g
[generic]                37585   65136  57.7% -lh5- 2d74 Oct  2  1995 MC/crystal3d.r
[generic]                67305  130272  51.7% -lh5- 254a Oct  2  1995 MC/crystal3d_Hi.b
[generic]                64181  130272  49.3% -lh5- bdac Oct  2  1995 MC/crystal3d_Hi.g
[generic]                68923  130272  52.9% -lh5- d8cc Oct  2  1995 MC/crystal3d_Hi.r
---------- ----------- ------- ------- ------ ---------- ------------ -------------
 Total        26 files  364560  713033  51.1%            Oct  6  1995