| From: | Allan Odgaard |
| Date: | 10 Jun 2000 at 02:04:52 |
| Subject: | Re: Libraries (and still off-topic ;) |
On 09-Jun-00, Gürer Özen wrote:
> debugger). Library contains a high level api for parsing/creating xml
> documents and transferring them on internet. It uses expat code [...]
Not that I can help you with your problem, but could you provide me with a link
to info about this library? As it sounds interesting...
> Memory Management (and protection) is not necessary for virtual memory,
> but then you need to code in your apps (afaik ppaint has such an option).
hmm... that's not really virtual memory -- the program will need to contain a
lot of user code that checks wether or not a memory "page" is loaded or on
disk, and that can get quite tiresome for the programmer, not to mention the
overhead and the lost features. For example with real virtual mem you can load
the first page of a program and just jump to the code starting there, so even
if the program is 4 MB then it'll load and start instantly (though if it
really needs to involve all 4 MB of code to open a window, you'll naturally
need to wait for all pages to enter memory).
> I think it would be easier to add modern features like MM, better scheduler,
> etc to amiga kernel than writing a new one from stratch.
I don't agree here, since AmigaOS has far too many shortcommings. It's not
really that hard to write a basic microkernel (speaking of experience), and
you can actually already find a dozen of them on the internet, with source and
everything.
Regards Allan
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