RetroBrew Computers Forum
Discussion forum for the RetroBrew Computers community.

Home » RBC Forums » General Discussion » CB030, A 68030 SBC for hobbyists
Re: CB030, A 68030 SBC for hobbyists [message #10089 is a reply to message #10088] Sun, 14 August 2022 20:46 Go to previous messageGo to previous message
mikesmith is currently offline  mikesmith
Messages: 80
Registered: March 2018
Member
plasmo wrote on Sun, 14 August 2022 19:11

This message repeats every few seconds. Apparently it is looking for a boot file in the CF disk. So I formatted a CF disk on my PC and copied CB030\CMDS\BOOTOBJS\BOOTFILES\diskboot.bf to the newly formatted CF disk. Power up CB030, but still received the same repeating error message. So what do I need to do to boot OS-9?
romboot will look for a bootfile either in ROM or on a CF disk. On disk it's looking for an OS-9 formatted disk with the bootfile installed; you can see the workflow for this in the dist/deploy.sh script. It depends on having built the toolshed binaries, or a bit of a chicken-and-egg game regenerating the bootfile from modules in RAM. I have a TODO to include Windows toolshed binaries in the package but I'm still tinkering with the workflow and that part's not really ready for primetime yet (I need to switch from a Bash script to a Windows batchfile, specifically).

The easiest way to get started, though, is just to flash a ROM image that contains a built-in bootfile; ports/CB030/CMDS/BOOTOBJS/ROMBUG/romimage.dev is probably the most interesting one. That has many of the interesting modules already loaded.

For more detail on the boot process, chapter 2 "Porting OS-9 for 68K" of MWOS/DOC/PDF/68k_oem.pdf has a pretty reasonable overview. It does rather gloss over the "magic" of building a bootfile (literally just concatenating the modules together), and you have to dig a bit further to get to how the booter knows where to look, but most of it is in there. Cool
The System Overview chapter of MWOS/DOC/PDF/68k_tech.pdf has some useful conceptual information about modules as well.

[Updated on: Sun, 14 August 2022 21:38]

Report message to a moderator

 
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message icon3.gif
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Previous Topic: ZRC, A Z80 SBC for ROMWBW
Next Topic: Neat '040 boot ROM setup


Current Time: Sat Sep 27 14:26:04 PDT 2025

Total time taken to generate the page: 0.39574 seconds