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accessing com port using DOS programme

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kuldeep

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accessing com1 using dos

I want to access uart com port of my PC running on win2k/winxp using dos programming.

i tried using PortTalk driver but it didn't work.
 

It is quite easy to use BASIC (QBASIC or GWBASIC) in DOS to control the COM port.
Try this link:
**broken link removed**
 

Win2K doesnt provide DOS program direct access to COM port. As it has virtual DOS and runs DOS program in protected mode.

How to modify the I/O permissions bitmap file?
 

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