[Coco] NOS9 VDG wcreate

[Robert Gault]

Robert Gault wrote:
> Willard Goosey wrote:
> 
>>> Date: Tue, 07 Aug 2007 20:07:14 -0400
>>> From: Robert Gault <robert.gault at worldnet.att.net>
>>
>>
>>
>>> Contrary to the claims about the impossibility of booting to a term32 
>>> screen and then creating windows in NitrOS-9 version 3.2.6 I have 
>>> just done exactly that using the scripts from the 6309L2 80 track disk.
>>
>>
>>
>> Does it work on the 6809?
>>
>> I do the same thing, I either get a hang, a hang with sparklies, or a
>> "Nitros9 boot failed" screen.
>>
>> 6809, real hardware.
>>
>> And yes, I'd be delighted if you'd send me a virtual boot disk with
>> this actually working. (6_8_09, 40track, double sided, please.)
>>
>> Willard
> 
> 
> Ahh! Now we are making some progress! Thanks for being specific Willard.
> 
> There is a bug in the 6809 NitrOS-9 v3.2.6 which is not in the 6309 
> version. In fact, the bug is still present in the current source code 
> for the next release, v3.2.7.
> 
> I don't know whether I can find the source of the bug but will make a 
> bug report and try to resolve it. The binary code for both 6809 and 6309 
> versions is generated from a single source, selected by conditional 
> statements. That has caused some problems.
> 
> I invite any interested parties to browse the code at
> http://sourceforge.net/projects/nitros9
> or even obtain a copy of the source. The more eyes trying to solve this, 
> the higher the chances for success.
> 

For those interested in trying to find the specific code, the buggy 
module is CoVDG. If you change standard.bl to use
covdg_small.io instead of covdg.io , then it is possible to open a /W 
type window from a vdg screen in 6809 Level2.