Re: LZ: cassette tapes


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Re: LZ: cassette tapes



On Wed, 11 Sep 1996, Scott J. Rein wrote:


> At 10:34 PM 9/10/96 -0400, you wrote:
> >ok. ok. ok. i think i'm the one who started this whole string. all i'm
> >think ing about is:
> >
> >ok, here ya'll go, i'll put up my idea:
> >  
> >1. you make a bu of your calc
> >2. you run it through a program on your pc that will convert it to a wav
> >file. preferably mono 8bit so those of us with an old sb can also do this. 
> >3. you record the file onto a tape recorder. this would be done by making
> >a link to go from the speaker port in your sb to the mic on the recorder.
> >essentially just a wire with two "headphone" plugs on either end.
> >4. you get an adapter from RShack for $3.00 and play the tape into your calc.
> >5. you have a prog. on your calc that's checking the port and receiving
> >the blips of sound  and converting it to 0s and 1s and putting it in ram. 
> >6. the prog. is loaded and you're on your merry way
> >
> >see, no fancy wiring. all simple...   simple, simple simple. (well, except
> >for the conversion program<G>) kinda simple kinda simple.........
> >
> 
> I think I found a problem with that:  The way the link port works is
> actually not that simple.  I am no expert, but I think it works on two wires
> which are bidirectional.  I don't think you can just "play" it back into the
> calc.
> 
> What about when it says WARNING, MEMORY BACKUP???  It is waiting for you to
good thought, i didn't think of that. hmmmm,  then what about using 85g's
> press continue which then sends a signal back to the sending calculator
> which starts the transfer.
> 
> I don't even know if the link port will accept _sound_ being sent back into
> it. Would the program convert those beeps and blips to the correct
> electronic pattern?  I am not so sure.
well, if it will accept sound, then, it would be like a binary morse code.
here: 
0=-
1=--


so that for each zero, it would recieve a blip and for a 1, blip blip...




> 
> --	Scott Rein
> 	srein@rain.org
> 






  
Andy Haninger                 
aka &amp;y                        
ahaning@freenet.columbus.oh.us


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