Re: [N8VEM: 14710] Writing An Operating System

Lucas,

What sort of desktop computer do you use? Windows, Linux, Mac?

I will be happy to support your efforts.

Douglas

On Sep 25, 2012, at 7:14 AM, Wayne Warthen <wwa...@gmail.com> wrote:

Hi Lucas,

If you don't already have it, download the RomWBW distribution archive (zip) from the N8VEM Wiki. It is found in the RomWBW folder and is called RomWBW.zip. As Douglas mentioned, this distribution includes all of the source files and the tools required to perform the build.

You can unzip that to any convenient working location on a Windows 32 or 64 bit machine (any variant of Windows in the last 10 years should be fine). Refer to the ReadMe.txt file as a starting point. It will subsequently direct you to the Build.txt file in the Doc subdirectory. You may have further questions since it is not perfectly documented, but this should get you started.

I will add that others routinely contribute to this software distribution (Douglas and David primarily). Any contributions to the RomWBW software are welcome, but please coordinate with me if you wish to contribute something. If you are just experimenting on your own, then just go for it.

Have fun!

Wayne

On Tuesday, September 25, 2012 3:06:23 AM UTC-7, LucasFraser wrote:
Thanks Douglas,

I probably want to start off modifying something like RomWBW... Are there instructions on where / how to get and edit and compile it?

On Tuesday, September 25, 2012 7:02:15 PM UTC+9:30, douglas_goodall wrote:
Lucas,

Are you talking about writing one from scratch, or asking how do we build our
firmware, the RomWBW for instance...

One popular operating system distribution for the SBC V2, is the RomWBW.

It consists of some pre-built ROM images, but also there is a build tree which
can be downloaded in the form of a zip file, or checked out anonymously from
our subversion server (over the internet).

The build tree happens to contain all the necessary tools to assemble the
CP/M-2.2 operating system, and the customized BIOS (CBIOS & HBIOS)
which are combined to create the ROM images.

It may be customized, and if you are handy with low level code you can
enhance it and build it, the use it, and if you like share it with others.

Douglas

On Sep 25, 2012, at 12:34 AM, LucasFraser <luca...@westnet.com.au> wrote:

Just wondering what and how one would go about writing an Operating System for the SBC-V2, I'd assume you'd write it in ASM (using Z80 instructions?) and then somehow compile it to a file that can be burned onto the EPROM. What Programs do you use for this? and are there some docs on Z80 code and ASM?

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