I was addicted to how good a crossed banana appears on an analog scope that has
moderately slow phosphor, that when I implemented crossed bananas in
cocoaModem, I had added an exponential decay to each dot of the crossed ellipse
that I displayed on the screen.
It is still nowhere as good as analog scopes since the good scopes with "slow
phosphor" have two (perhaps more) decay rates. With the faster computers
today, you can probably do a good job emulating that as well. Something to
write more software some day, perhaps...
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