[Coco] patch DISK BASIC for 40 tracks

[Robert Gault]

You are correct. Patching backup in RGBDOS for 40 tracks and 
subsequently using it with a hard drive would corrupt the Disk Basic 
portion of the drive. This should only be used for backing up floppies 
and then the system should be reset to the default of 35 tracks per disk.

As is typically the case, requests for system changes are possible but 
can bring unexpected consequences. It is the responsibility of the 
requester to use common sense and take precautions when evaluating and 
applying any suggestions made here or on any other Internet site.

Robert Emery wrote:
> 
> --- Robert Gault <robert.gault at worldnet.att.net> wrote:
> 
> 
>>DOS1.1       change $D29D from 35 to 40
>>DOS1.0              $D1B0
>>RGBDOS for emulator $D286
>>
> 
> 
> Robert,
> is it safe to do that under RGBDOS? I worry that it would affect the way the
> hard drive is accessed, possibly corrupting it. (I realise it should still be
> safe to back up a floppy though.)
> 
> Bob
> 
> 
> 
> 
>>Bob Devries wrote:
>>
>>>Is there a quick and dirty patch (preferably in BASIC) that will change 
>>>a default 35 track DISK BASIC to 40 tracks just for the purpose of 
>>>backing up disks which are 40 tracks?
> 
> 
> 
> 
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