At 09:10 AM 12/5/2005 -0500, Kenneth J. Davis wrote:
EQUates globally that can be IFDEF'ed out of sight, and has a few other
quirks.
:-) how do you improperly use an EQU? (-:
It looks to be improper if the code, for example, declares an EQUate called
FLG_MASTER inside an IFDEF OPT_ATAPI conditional block, and then FLG_MASTER
is used outside an IFDEF OPT_ATAPI conditional block.
But seriously, any suggestions to improve it (both in function or style)
are welcome. In may latest versions (0.5.x) I've gone back to just
MASM/TASM form (I can't stand NASM's positional based macro parameter
names, FASM had no list support, and I couldn't get my segments to link in
the proper order for a mostly C version using OW).
NASM is, bluntly put, crippled and underpowered compared to MASM and TASM,
but it has a few good ideas. It would be hard to argue that eliminating
the whole peek-a-boo, am I a memory reference, am I a constant value, game
is anything but progress.
If hoi polloi were not screaming for a "non-evil", open-source,
cross-platform, free assembler, though, I can't see NASM moving into mass
usage where it competes with MASM/TASM. At least not for another few
development iterations.
out of curiosity which version of atapicdd did you run this on?
I used whatever link Bernd gave. Since it's not the latest, I'm going to
stop working on it as soon as I clean up a couple of exposed Nomyso chinks,
because the 'old source' concept isn't terribly meaningful for a niche-use
translator.
and did you do it on the TASM source (atapicdd.asm) or NASM source
(atapicdd.nsm)?
I used the ASM extension source. I thought it might not have NASM
constructs; instead it had a number of them invoked by the IFDEF
__NASM_MAJOR__ predefined symbol. And those cross-compatible macros for
using segment overrides with mov, test, and call inflicted the most
pain. I would up with this burst of line noise at Nomsyo invocation to get
them working:
./nomyso.pl -xr'/IFDEF(\s+)__NASM_MAJOR__/IF ${1}0/i'
-xr'/callw(\s.*?),/call$1/ -xr/mov2(\s.*),/mov$1/'
-xr'/movw(\s+)ptr\s+(.*?),/mov$1WORD $2/'
-xr'/testb(\s+)ptr\s+(.*?),/test$1BYTE $2/'
-xr'/movb(\s+)ptr\s+(.*?),/mov$1BYTE $2/' atapicdd.asm moo
Looks like NSM source might have been the better translation input choice,
but I'm not sure why the extensions are named that way, as they appear to
be reversed for their intended assembler.
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