RE: [stella] compact send-only serial subroutine

["Fred Quimby" <c9r@xxxxxxxxxxx>]

Most serial ports are tolerant of TTL-level signals, as long as they are 
reasonably near 0 and 5v. I think you only need those to support the 
minority that really need the +/- 3v or whatever the spec is.

>Wouldn't something like these would be necessary for
>the TTL level conversion:
>
>http://www.awce.com/rs1.htm
>http://www.piclist.com/techref/io/serial/RCL1.htm
>
>
>--- Fred Quimby <c9r@xxxxxxxxxxx> wrote:
> > As for a cable, I would think that you'd just need
> > to connect two wires:
> > GND-GND and right joystick up to RxD on the PC.
> > This seems to be:
> >
> > 2600 Pin		PC pin (9 pin serial)
> > ----------------------------------------------------
> > Pin 8 (gnd)		Pin 5 (gnd)
> > Pin 1 (up)		Pin 2 (RxD)
>
>
>
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