This is the preliminary version of the MGR portable bit-blit library.
It has been tested on a DEC3100, A Sun Sparcstation, and a SUN3/60.

It is still missing multi plane (color) support

Stephen A. Uhler (6/18/89)

* rops <min_size> <max_size> <count>
  runs a bunch of random bit-blts

* test_rop <size>
  tests the 16 transfer functions
