[Coco] Re: OS9 Getclock
jadonaldson at charter.net
Wed Jul 14 20:31:34 EDT 2004
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!!!!!!!!!
Rodney V Hamilton wrote:
>In article <40F58406.3040906 at charter.net>,
>jadonaldson-xwVYE8SWAR3R7s880joybQ at public.gmane.org says...
>> 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, 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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