Re: [PARPORT] Parport?

Kev (klmitch@MIT.EDU)
Tue, 26 Oct 1999 15:46:08 -0400

> This brings up an interesting point... Isn't a bidirectional parallel port
> a port that has the ability to read as well as write, whereas a
> unidirectional port one who can only write?

The trick used is to take the 4 status lines (which are read-only) and use
those to read in data. That's also one of the reasons it's slower.

Kevin L. Mitchell <>
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This archive was generated by hypermail 2.0b3 on Tue 26 Oct 1999 - 16:14:38 EDT