Re: Urgent: DOS Driver Help

Re: Urgent: DOS Driver Help

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Posted by kozehameha on October 14, 2001 at 23:35:43:

In Reply to: Urgent: DOS Driver Help posted by Jahangir on October 14, 2001 at 10:09:59:

first of all DOS doesn't allow commanding of motor speeds, it uses a mode called Monitor Mode to do that and the only people who have access to the Mon Mode are the developers. DOS doesn't allow you to change those settings becuase if it did you can have serious issues from doing so. The only access to DOS is threw User Mode, which is where you can buid drivers and access to them. You cannot directly access any motor speeds though. DOS is very limited in what you can program for it to do too, if your serious about trying to hack into or open up the Monitor mode, or trying to build a device driver or a software prog to access drivers i highly recommend you making a small program in C++ for DOS shells.

: I am studying device driver development
: Suppose I develop a device driver in DOS for
: say motor speed control through parallel port.
: How do I pass data to a device driver?

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