> On Fri, 06 Oct 2000, you wrote:
>
> > What is the ports used by the RS232C interface and
> > What is the functions of each port?
> > (Or what chip is inside in the cartridge?)
>
> Port #80 and a few above.
>
> The chip is Exar ST16C550, a 16550 UART (the common PC serial chip, like
> Albert said). If you want the data sheet (466K PDF), look on the
> manufacturer's web page or ask me by e-mail.
That's correct.
However, if you want to write a program for it, I recommend to use the Erix
Fossil-driver. It's fast and well-documented, and it works with most
interfaces. It also works from Pascal.
~Grauw
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