Re: A89: Re: Serial Communication in ASM


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Re: A89: Re: Serial Communication in ASM




Thanks, I'll take a look at those.


On Fri, 29 Jan 1999, Nate Mueller wrote:

> 
> >Thanks for taking the time to try and answer my question.
> >
> >But, that is not the problem.  I wrote the particular PC program
> >that I am using.  It does not have anything to do with VT100 or any
> >other standard.  It simply displays whatever is received at the
> >COM port.  And it displays nothing.  Even if it were receiving
> >binary rather than ascii, it would show something.  But I get no
> >indication that anything is received at all.
> >
> >In the example I used, I transmitted a pure 'string' so even if it
> >were in a binary format, that format would have produced an ascii
> >string.
> >
> >I think the problem lies in the fact that there must be some
> >handshake thing that I am not doing.  I did read something about
> >a low level control of the link port, but I assumed that the
> >transmit() function just filled the transmit buffer and that was
> >blindly sent to the link port.  Apparently that is not so.
> 
> I've made some successful link stuff, and I lifted the SendByte and
> RecieveByte routenes from Tetris.  I haven't tried hooking the calc to a
> computer, but I can talk to a modem with them.
> 
> 	--Nate
> 
> 

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