[Coco] is this a bug?

[Kip Koon]

Hi Dave,
I like your idea of having a failsafe OS9Boot.safe file.  I have found myself without a bootable system many times over the years and had to get creative to get the system running again.  I'd like to run this new version of Brett's boot rom when you get it ready.  Your idea is very needed.  Thanks for doing this for us.  


Kip Koon
computerdoc at sc.rr.com
http://www.cocopedia.com/wiki/index.php/User:Computerdoc

-----Original Message-----
From: Coco [mailto:coco-bounces at maltedmedia.com] On Behalf Of Dave Philipsen
Sent: Thursday, April 20, 2017 3:39 AM
To: CoCoList for Color Computer Enthusiasts
Subject: Re: [Coco] is this a bug?

Just in case anyone's curious, I'm attempting to make a slightly modified version of Brett's boot ROM for the CoCo3FPGA.  He did an excellent job with the booter except that it was assembled on a non-native assembler and ported over.  Perhaps I am being sort of a purist but I'm trying to make this work directly under OS9.  I figure I've got a fast enough machine and all of my work files are on a fast SD card. It takes all of two seconds to assemble the file.  So why not?

Brett's loader allows the OS9Boot file to be placed anywhere on the disk so the use of a 'gen' program is no longer necessary.  If you want to modify or change around which modules are in your bootfile then you simply do it and re-boot.  He has taken a lot of the hassle out of the process.  However, I know that at some time I will erroneously create a boot file that will not boot and then I'll be stuck (yes, I could switch back to DECB and use DW but I don't want to do that).  So I want to create a boot loader than can not only use the OS9Boot file but also, as a fail-safe, another file such as OS9Boot.safe could be optionally selected in case I get myself in such a bind.

Dave


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