Paper Tape Emulator

[woodelf]

Dwight K. Elvey wrote:

>Hi Jim
> There are several things that can couse problems.
>It might be that you are being too fast, not too slow.
>Most of the newer serial chips hold a larger buffer.
>Several characters may be buffered up in the chip.
>You need to make sure that the character has been
>sent and that you've waited for enough delay time
>for your other machine to respond before sending
>another character to the serial chip. You can't just
>handshake on the status lines from the serial chip.
>You may have to look at the time chip for timing
>information.
> Also, I assume you are using the system calls. If
>not, you may have issues if your running under windows
>or in a DOS box under windows because windows thinks
>it owns the serial and will periodically steal characters
>from the input. There is a way to remove a serial port
>from windows but I've never tried it for this particular
>problem.
>Dwight
>
>  
>
I just read recently that the windows drivers DON'T handle handshaking
correctly. Here is a link on some old PDF's about paper tape readers/punch
interfacing. Anybody want to grab them for future reference.
http://www.fastec.com/technotes/
Ben alias woodelf