Subject: Re: Line disciplines on parallel ports
To: None <tech-kern@NetBSD.ORG>
From: Michael van Elst <mlelstv@serpens.rhein.de>
List: tech-kern
Date: 07/31/1995 17:46:19
is@beverly.rhein.de writes:
>: (3) 4 bits output (STROBE, AUTOLF, INIT, SELECT)
>The STROBE pin on the Amiga parallel port is automatically set active
>when data is written to the output register, and can only be cleared at
>will.
The strobe pin is actually pulsed for about one or two microseconds
after you read or write the data register.
>: (5) 1 special bit input (ACK) which can be tied to an interrupt
The Amiga generates an interrupt on the low-high-transition of that
input and you cannot sense the state of the line.
Regards,
--
Michael van Elst
Internet: mlelstv@serpens.rhein.de
"A potential Snark may lurk in every tree."