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Password field using readln

Posted on 1997-10-13
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Last Modified: 2010-05-18
I want to make a readln statement which will do a password
I want when the person types it in, that the cursor
WON'T move.  No character's should echo.  Thank you
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Question by:weinrj
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Accepted Solution

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berox earned 50 total points
ID: 1216196
You can try to write a interrupt handler for the keyboard interrupt, that will be activated if you want the password to be entered.
You read port[$60] (keyboard) by yourself and give an End of Interrupt (EOI) at the end of the handler than exit procedure without giving control to the original keyboard handler.
After validating the password you restore the old keyboard interrupt.
There are some good documents about the keyboard-port (where I can't tell you right now ), but if there are some kind of problems just let me know.
NO code right now, first try it yourself ...  
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Author Comment

by:weinrj
ID: 1216197
He seems to know what he is talking about, but, I really wanted
the source code.  It is nice that you want me to learn, but,
I just wanted to learn in a different way...Learning by seeing.


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Expert Comment

by:berox
ID: 1216198
It was not my meaning to let you without code, but I just hadn't the time to type in the full code ... so I thought maybe he manage it with the text.
If you really want to have code just give a comment with your email in it , and I will sent you an example.    
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Author Comment

by:weinrj
ID: 1216199
ok,  berox...I am sorry I yelled at you.
My addresses are as follows:
Primary: kaiser@cybernex.net
2nd    : Johann321@aol.com
3rd    : weinrj@bergen.org

k? thanx...bye!
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