BIOS 13h questions

Does QRtP use BIOS int 13h to work with disk ?
What if I need to use only BIOS int13h to work with flash-disk ?

Is there any opportunity to call int 13h from my program
( I try to move my DOS program to Neutrino/QRtP )

And BTW, can I boot QRtP from FAT16 ?

Thanks.

Does QRtP use BIOS int 13h to work with disk ?

No. RTP uses x86 protected mode. I don’t think BIOS int calls work
in protected mode.

What if I need to use only BIOS int13h to work with flash-disk ?

You can’t. You’ll have to program the controller directly. What is
your hardware setup? We may have drivers.

Is there any opportunity to call int 13h from my program
( I try to move my DOS program to Neutrino/QRtP )

In QNX 4 we have some “simulated” BIOS calls, but I don’t think
this exists in RTP.

And BTW, can I boot QRtP from FAT16 ?

Purely RTP, without Windows? I think this may be possible. You
won’t be able to use the installer. You’ll have to make a custom
boot image and copy over necessary binaries.