[syslinux] MSCDEX over NDIS ethernet

[H. Peter Anvin]

Darryl L. Miles wrote:
> 
> I would like to implement a replacement MSCDEX driver (based on the 
> replacement in FreeDOS SHSUCDX 
> http://johnson.tmfc.net/freedos/shsucdx.html and SYSLINUX) however 
> instead of talking to disk BIOS calls or PATA chipset I would like it to 
> talk to the NDIS driver and act as a TFTP client simply forfulling 
> application get block requests through TFTP.
> 

TFTP is not really the best choice for this.  You'd want a network 
protocol which can support random access.

MSCDEX, which uses the DOS "redirector" (installable filesystem) 
interface is not really the right thing to mimic if you want to mimic a 
floppy or hard disk (like MEMDISK); rather, you'd want to be a DOS block 
device, or even lower level -- mimic MEMDISK and talk to the PXE stack 
beneath an INT 13h interface.

Any reason MEMDISK doesn't do what you need?

	-hpa