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 &y
ahaning@freenet.columbus.oh.us
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