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FlWriter version 1.0 released (Announce)

posted by georgpotthast Homepage, Germany, 22.03.2012, 20:00

> One issue I found just after posting:
> DOS Shell doesn't work, at least in dosemu--the keyboard seems to be left
> dead.
> Suspect it might be an issue with a 32-bit program executing a 16-bit one.
> Haven't tested under pure dos yet.
>
> Also, I'm wondering about the USB printer drivers-- I have a USB "GDI"
> printer that's actually PCL5e, which should work if I can get communication
> using usbprint from Bret's USBDOS (or, assuming it supported printers then,
> the old "OEM" version of DOSUSB ;), which is buried somewhere on the hard
> drive of my other laptop...)
> I'm thinking about maybe creating the PCL5e file, exit, reboot with USB &
> load the driver, then try to print.

On one of the PCs I tested DOS Shell returned immediately. I could not locate the reason.

I am afraid a GDI printer will not work in real mode DOS. Even if you get USB communication to work using a DOS USB driver the GDI printer needs special data transfered over the USB link which is generated by the Windows printer driver or the equivalent in Linux. This can be undocumented commands for the print head and/or some special compression of the data send to the printer.

DOSEMU may emulate a DOS printer and then use the Linux printer driver to print that data.

Georg

 

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