[Coco] Re: OS9 Getclock

[John Donaldson]

Rodney,
    At last a explanation of what is going on. I would have thought that 
John would have fixed that
in his 6309 version. Speaking of John, I have not seen him on the list 
in quite a while. Has he
disappeared again??  JOHN ARE YOU OUT THERE!!!!!!!!!

John Donaldson


Rodney V Hamilton wrote:


>In article <40F58406.3040906 at charter.net>, 

>jadonaldson-xwVYE8SWAR3R7s880joybQ at public.gmane.org says...

>  

>

>>Boisy,

>>  Thanks for the reply. It feels great getting back into NITROS9 again. 

>>I now have both a laptop and

>>a desktop running the May 14, 2004 release.

>>   I still can not get NITROS9 to format or read my 360K drive or the 

>>720K drive. Both DSKINI.exe and RETRIEVE.exe under MSDOS works with the 

>>drives. I have been able to use DSKINI to make both a 40T and a 80T boot 

>>disk and then used RETRIEVE to copy them to a DSK and the DSK's do boot 

>>on the emulator. I understand that IBM thinkpads have a floppy problem,

>>but the desktop is a IBM 486 DX2. It uses a standard floppy cable, so I 

>>would expect it be

>>compatible. I am running DOS 6.2 on the desktop.

>>

>>John Donaldson

>>    

>>

>

>John, if your descriptor is set correctly, you should be able to access

>the 720K drive with no problems.  The 360K drive may not work properly

>due to a flaw in the emulator's disk I/O code in which it treats a 360K

>drive the same as a 1.2M drive and assumes it also uses a 360 rpm speed

>instead of the actual 300 rpm rate.  Amardeep S Chana pointed this out

>in a Jan 5 2001 post to bit.listserv.coco and included a workaround to

>get the emulator to use the correct speed by setting the BIOS type for

>that drive to 720K.  (see note on Jeff Vavasour's webpage, (or google

>for "Re: Re: Emulator file retrieval" in bit.listserv.coco)

>

>On 26 Jan 2003, Amardeep posted a source code patch to bit.listserv.coco

>that might fix the problem.  Maybe someone with knowledge of 8x86 code

>could try it out and post a binary patch to the emulators - it looks to

>me like the revised code would be the same size, so we should be able to

>do a "modpatch-style" debug/hex edit fix.  (the subject thread was

>"Reguarding Jeff's TRS-80 COLOUR Emulator retrieving coco formatted disks"

>and Amardeep's reply+patch info was dated 2003-01-26 09:54:26 PST)

>

>Sorry I can't help more at this time but I'm fixing a zapped filesystem

>on my main email/news/www system (power outage from a Florida lightning

>storm during disk I/O) but I hope to be back up sometime tomorrow.

>

>Rodney V Hamilton

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