[Freedos-32-dev] First FD/32 code... :)

[luca a. <l_...@ho...>]

Hi guys,

I rearranged the booting code to properly initialize the memory
manager, and it seems to work fine in all the hw configurations I was able 
to test. I am waiting for some memory manager code (the current pmm.c file 
is just a dirty hack I use to compile and test the code).

I put a .zip of the code at
http://hartik.sssup.it/~luca/fd32.zip

The code is still a little confused, and I will reorganize it as soon as a 
directory structure for the FD/32 code will be decided... The comments.txt 
file is still describing the old demo code. Moreover, everything can be 
currently compiled only under DOS+DJGPP. I will provide the config.mk for 
linux & windows (cygwin) as soon as I will have some time.

Anyway, I put the code on the web so that everyone can download and
test it. The compiled file, fd32.bin can be executed using the OSLib 
eXtender (already present on the previous demo, I think)
x fd32.bin
or
x -m hello.out fd32.bin
(or x -m <modulename> fd32.bin)
or using GRUB:
kernel=(fd0)/fd32.bin
module=(fd0)/hello.out                (optional)
module-....                           (optional)
boot
(assuming that fd32.bin and hello.out are in the floppy)

I also added some interrupt handlig code to hanlde int 0x21 and 0x31, 
printing the called int and the register values.
I plan to use this ``trick'' to see which DPMI functionalities are
needed by simple DJGPP programs (see the empty.c file in the
tests directory; try to load empty.out as a module...).

I will begin working on this DPMI stuff soon, but, you know, I don't have 
too much time... If someone is willing to help, he can download the .zip 
file and begin to play with fd32.bin loading empty.out as a module. 
Moreover, he can download the DJGPP sources and look at the startup code 
that is linked against every DJGPP executable.
In particular, he can check which DPMI functions the startup code (well, I 
am talking about the 32 bit startup code, not the RM stub... I am loading 
the DJCOFF directly) will call, and check if fd32.bin is reporting them 
correctly.

OK, as usual I am speaking too much... I just wanted to say:
``FD/32 coders, let's start playing!!!''
I simply tried to realize some code to play with :)

If anyone has ideas and wants to do something, this is the moment to show up 
!!! ;-)

Well, enjoy the code, and have fun

				Luca
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