Re: [CAD_CAM_EDM_DRO] Re: EMC for DOS?

n4onl wrote:

> > The basis of EMC is NOT the C language, it is real-time extensions
> to
> > the Linux kernel. In DOS, people roll their own, take over the
> interrupt
> > system,
> > and grab control at the hardware level. This is not very portable,
> as it will
> > work on brand "A" motherboard, but not on brand "B". But, lots of
> people
> > do it. If the CNC program is the ONLY thing you will run, then it
> may be
> > reliable, but may be interfered with or interfere with various
> devices, device
> > drivers, etc.
>
>
> > The advantage of Linux is that you can send G-code files over a
> network,
> > edit G-code while another program is running, pop up a calculator
> while
> > entering some MDI commands, etc.
>
> What about DR DOS?
>
> http://www.drdos.com/
>
> It seems to overcome these limitations and can/does run under
> GNU/Linux.

This is a multitasking sime slicer, and would play hob with accurate
motion timing! For a CNC motion control program running under DOS,
you can't have anything causing interrupts and taking control away from
the CNC program.

Jon