On Sat, 15 Mar 2008 06:14:00 GMT, I waved a wand and this message
magically appears in front of Frank Kotler:
> > How would you suggest I could rewrite this in NASM?
>
> Dunno. What's it do? If it emits code similar to what Tim posted,
> maybe we could do something with it. It *looks* to me as if this
> performs the calculation at assemble-time! IOW, it *doesn't* emit
> anything but the checksum "patch_byte". If this is true, I don't
> think it's possible with Nasm. I don't think Nasm knows anything
> about any "previous bytes" at the time the macro-processor runs. If
> this does what I think it does, Fasm must have a "post-processor".
> I've been told that Fasm's macro facilities are more powerful than
> Nasm's... perhaps it's true. The syntax is a whole lot "prettier"
> than Nasm's (which looks like someone had a nice bowl of punctuation
> salad, and vomited). I can't say that I find it any more
> "readable"... what's "load CHKSUM byte from %-1" do? If it emits
> "lodsb", or similar, maybe. If it does this at assemble-time... I
> think you'd better stick to Fasm!
>
> Or maybe a more sophisticated Nasm macro user can help you. I'm
> stumped.
What that FASM script does is to calculate the checksum for the
contents of the assembled file and inserts it at the end of the
assembled file. Can anything like that be done in NASM?
--
http://www.munted.org.uk
Fearsome grindings.
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