alt.os.development Google Group

Re: Function BB of Int 1Ah

2009-11-27T07:43:45Z

spec
Not I.
I don't see BBh for Int 0x1A in RBIL (Ralf Brown's Interrupt List) either.
Are you sure the BBh is correct? There is one listed with 0Bh and another
that has 8Bh... A few of the AX = Bxxxh functions are related to PCI and
Plug-n-Play - which have specifications.
Rod Pemberton
PS. I added a couple of groups. Maybe someone knows. You might also try

Help.Missing interrupt from rtl8139 network card.

2009-11-25T02:11:09Z

Hi.
I am writting a small os base on x86 arch.
I have just written a rtl8139 driver for my os.the device's interrupt
vector is 11.
When I run my os, I can 'ping' it through windows for a while.
But after a few minutes, the rtl8139 network card has not produce any
interrupt.
I can assure the os is not dead.Because it can receive the interrupt

An OS generator?

2009-11-24T23:57:45Z

It seems someone wrote an OS generator. It generates a RTOS from
information for a FSM.
"Given a set of 'tasks' written in C, WhatOS generates a finite-state
machine operating system in C, that is architecture independent and small
enough to run even on resource-limited 8-bit microcontrollers."
...

Attributes of a memory request or address space request

2009-11-22T19:24:12Z

Below is an attempt to come up with a maximal set of attributes that
might be needed in a memory request. (Really it's an address space
request as the actual memory can be allocated by a page fault routine
as needed.)
In the general case are all of these needed? Are any other attributes
needed or advisable so that an address space allocator can be most

Re: Embedding assembler in a language

2009-11-20T22:50:22Z

Either way.
Sure, why not? It may be slow, but it could be useful for bootstrapping an
x86 OS independent of cpu mode. To fully implement useable subset of x86
instructions, one needs:
1) math operations on one of: register, stack, or memory
2) ability to move data between register and stack
3) (optionally) ability to move data between registers

misc/RFC: design of a GUI API

2009-11-20T20:50:45Z

well, I am idly thinking of things, and starting to consider ideas for how I
will approach this.
basically, I am considering the issue of how I will approach adding GUI
facilities to my x86-interpreter-based world.
firstly, the core issues (as I see them):
there needs to be a separate protocol and GUI API (I am currently leaning

Operating Systems: Design and Implementation

2009-11-19T23:48:35Z

Hi everyone,
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I would stop by to see what they had. Every hardcover
was a dollar, every other book was a half dollar. Most
of it was romance novels and the such.
As I was roaming through a section, I found

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2009-11-10T13:50:20Z

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2009-11-10T13:49:16Z

status update: x86 interpreter...

2009-11-09T19:23:49Z

seems I had not been telling people here about this, so, I just figured I
would give a status update...
x86 ISA, still "mostly" supported:
x87 has not been well tested (and even then, does not currently support
"subtle issues" such as rounding modes, ...);
SSE/SSE2, still not gotten to finishing up support as of yet (mostly lacking

OT: US Supreme Court may rule on validity of software patents.

2009-11-08T11:56:06Z

US Supreme Court may indirectly rule on the validity of software patents:
[link]
Rod Pemberton

Source based OS

2009-11-04T00:33:15Z

I'm interested in the development of a source based Operating System.
Such is already possible in color Forth, but I get headaches when doing
postfix somersaults.
The idea is that after boot all software is either in source form in
folders on the filesystem or in binary form in a cache area which is

alt.os.development FAQ

2009-11-01T23:55:34Z

The FAQ for this newsgroup is held at
[link]
It contains answers to questions on operating system development.

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