IBM FileCommand II paints a blue screen and does not continue

[johnsonjh]

trafficstars

• IBM FileCommand II paints a blue screen and does not continue.

  Moved from https://github.com/dmsc/emu2/issues/39

[johnsonjh]

From @dmsc in the other thread:

This programs loops reading the CGA registers, counting the horizontal retraces, currently emu2 simply fakes the values, so it won't work without some complex video emulation.

[dmsc]

Note that the program still does not work, as it really is a TSR.