Looking for info on the Apple II Hellschreiber Program.

[nexus6gs@applelinks.net (nexus6gs)]

The HELL program for the Apple II is based on the HIRES (high
resolution) graphics mode. This has a raster of 280 (=40x7) dots
horizontally and 192 dots (=24x8) dots vertically, in which each dot can
be individually switched from black to white. We will see that such fine
graphics are needed to emulate a HELL printer. The HELL
Feldfernschreiber (Army Hell printer) Hell printing is a sort of
facsimile or picture printing transmission system. The letters are made
up of vertical lines which are drawn on paper tape by means of a hammer
tapping on the inky threads of a quick threaded screw. The lines are
arranged from left to right by moving the paper tape, which is
transported to the left. The pictures of the letters are transmitted in
the form of on-off modulation of a tone or carrier, which is converted
in the receiving apparatus to recognizable figures or letters. 

Any-One Still have info or Source on this little piece of Apple History.
I have a copy of a German Disk here that i have not been able to get to
boot. I am able to sector edit the data but before i do that i thought
some Amateur Radio (Ham) Operator may have a working copy and some more
knowledge of HellSchreiber.

nexus6gs


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