Re: [cc65] RS232 driver for the Plus/4

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From: Groepaz (groepaz_at_gmx.net)
Date: 2003-12-15 23:51:39 

On Monday 15 December 2003 23:40, Ullrich von Bassewitz wrote:
> On Mon, Dec 15, 2003 at 11:40:37PM +0100, Groepaz wrote:
> > but thats not an ACIA but ordinary ttl/rs232 conversion only then,
> > no? or where there ACIA interfaces for the userport?
>
> The ACIA in the Plus/4 doesn't have any RS232 drivers, so the userport pins
> do carry TTL level signals. This means that the signals are identical to
> those on the C64.

oh you mean the acia is internal, and its i/o pins connected to the same
userports pins as the (software) rs232 on a c64? 

gpz

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