[Coco] HDB-DOS-Drivewire 3

Fri Mar 13 22:11:31 EDT 2009

On Mar 13, 2009, at 7:23 PM, Bob Devries wrote:

> Boisy,
>
> Is there a stylesheet for programme modules in NitrOS9? Thinks such  
> as the recommended way to accept command line arguments?
>
> I notice that a lot of the modules in the NitrOS9 CVS are  
> disassembled from the original (Level 1) modules, which had no such  
> rules.
>
> In various command line based OS's including OS9/68K, the usual  
> method is to precede the command line argument with a hyphen (-) and  
> sometimes a letter. Is this recommended in NitrOS9?

Bob, for commands with multiple arguments, NitrOS-9 adopts the  
OS-9/68K method of preceding options with a dash.  In the case of  
megaread, you can forego this convention since at this point, I  
envision the parameter to be just a number, and because of the  
specific utility of the program.

>
> --
> Regards, Bob Devries, Dalby, Queensland, Australia
>
> Isaiah 50:4 The sovereign Lord has given me
> the capacity to be his spokesman,
> so that I know how to help the weary.
>
> website: http://www.home.gil.com.au/~bdevasl
> my blog: http://bdevries.invigorated.org/
>
> ----- Original Message ----- From: "Boisy Pitre" <boisy at tee-boy.com>
> To: "CoCoList for Color Computer Enthusiasts" <coco at maltedmedia.com>
> Sent: Saturday, March 14, 2009 7:25 AM
> Subject: Re: [Coco] HDB-DOS-Drivewire 3
>
>
>> Bob,
>>
>> That sounds like the functionality we need.
>>
>> You took a stab at adding some functionality to some utilities in  
>> the NitrOS-9 project some time back. Do you think you could add  
>> this to  our current megaread?  I would envision a syntax like this:
>>
>> megaread ###  (where ### is a decimal number of 1K blocks to read)   
>> If  no option is given, then the default would be 1024 blocks.
>>
>> Regards,
>> Boisy G. Pitre
>> --
>> Tee-Boy
>> Mobile: 337.781.3570
>> Email: boisy at tee-boy.com
>> Web: http://www.tee-boy.com
>>
>> On Mar 13, 2009, at 4:06 PM, Bob Devries wrote:
>>
>>> Boisy,
>>>
>>> IIRC, there's an OS9 programme called QMEGREAD which is similar to  
>>> megaread, but reads just a quarter megabyte of data.
>>> It should be on RTSI.
>>>
>>> --
>>> Regards, Bob Devries, Dalby, Queensland, Australia
>>>
>>> Isaiah 50:4 The sovereign Lord has given me
>>> the capacity to be his spokesman,
>>> so that I know how to help the weary.
>>>
>>> website: http://www.home.gil.com.au/~bdevasl
>>> my blog: http://bdevries.invigorated.org/
>>>
>>> ----- Original Message ----- From: "Boisy Pitre" <boisy at tee-boy.com>
>>> To: "CoCoList for Color Computer Enthusiasts" <coco at maltedmedia.com>
>>> Sent: Friday, March 13, 2009 10:46 PM
>>> Subject: Re: [Coco] HDB-DOS-Drivewire 3
>>>
>>>
>>>> I just ran a megaread on under NitrOS-9/6309 Level 2 running   
>>>> DriveWire 3 to an eMac G4 1.42GHz server, and here's what I got:
>>>>
>>>> 228 seconds
>>>>
>>>> A more recent system could probably do better, but not by a large  
>>>> margin. Even if you were to cut this in half (114 seconds, which  
>>>> is  a stretch to think that it could be cut in half) it is still  
>>>> an  order of magnitude slower than SCSI and way slower than IDE.   
>>>> A  more comparable test would be against a floppy system, though   
>>>> current floppies don't hold a megabyte.
>>>>
>>>> I'm not sure how much slower or faster DriveWire 3 is than a  
>>>> floppy  at raw reads/writes but there is something to be said for  
>>>> NitrOS-9 booting faster from DriveWire 3 than from a floppy disk,  
>>>> and this  has a lot to do fact that DriveWire 3 is not encumbered  
>>>> by the  time consuming head movement and track seeks of a floppy  
>>>> disk drive.
>>>>
>>>> If someone has the time (hint hint!), they could modify   
>>>> megaread.asm in the NitrOS-9 Project to take an optional   
>>>> parameter: the number of 1K blocks to read (currently 1,024).    
>>>> This would allow megaread to work with smaller sized devices and   
>>>> results could be extrapolated from that.
>>>>
>>>> Regards,
>>>> Boisy G. Pitre
>>>> --
>>>> Tee-Boy
>>>> Mobile: 337.781.3570
>>>> Email: boisy at tee-boy.com
>>>> Web: http://www.tee-boy.com
>>>>
>>>> On Mar 13, 2009, at 6:43 AM, Mark Marlette wrote:
>>>>
>>>>>
>>>>> I currently do not have a DW3 setup in place as I am working  
>>>>> on   other Cloud-9 projects.
>>>>>
>>>>> Boisy and or, all it takes is megaread and NitrOS-9.
>>>>>
>>>>> Regards,
>>>>>
>>>>> Mark
>>>>> Cloud-9
>>>>>
>>>>>
>>>>> At 3/12/2009 07:27 PM, you wrote:
>>>>>> On Thu, 12 Mar 2009, Mark Marlette wrote:
>>>>>>
>>>>>>>
>>>>>>> Testing I did using MegaRead under NitrOS-9 and  
>>>>>>> SuperDriver......
>>>>>>>
>>>>>>> SCSI, ~11 seconds
>>>>>>> SuperIDE/CF, ~19 seconds.
>>>>>>>
>>>>>>> We only know one speed, to the floorboard!
>>>>>>
>>>>>> What did the Drivewire drive benchmark as?
>>>>>>
>>>>>> --
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>>>>>
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