CLIPPER TOOLS not compatible with NT/2000/XP operating sytems

[BlueCorsa]

Certain Functions in Clipper Tools 3.0 and NanForum Lib are not compatible with Windows NT/2000/XP sytems. The Funtions in question are: DISKREADY(), DISKREADYW() in Clipper Tools and FT_FLOPTST() in NanForum Lib. In an Extended mode program, these functions, while they return their correct specified values, they make the disk drive not able to read or write, until access through another window or another application. This means that if you need to access the A: drive, with these systems, then you must not test for readyness of the drive. I do not know if the problem is related to non-Intel processors, but we have 1000+ users with various systems, and most NT/2000/XP system will not access the Floppy drive from clipper, and this is why. If you just read or write to the floppy without checking for readyness, then everything is OK. Just thought some of you may be having this problem.

BlueCorsa

 

[Bozz]

I don't know, you develop a great application in good faith and 10 years down the line Microsoft changes the goalposts!

As a confirmed Clipperhead I'm surprised that old Clipper apps are as well behaved as they are this far down the line, the odd devide by zero and keyboard polling problems accepted. Ian Boys
DTE Systems Ltd

 

[ProfReynolds]

I too have managed to keep Clipper kicking well on MS machines for more than 10 years. And I have had to solve the keyboard problem.

But you made reference to an "odd divide by zero" problem - please elaborate as it may be a problem that I have never been able to grapple.

Thanks in advance.

 

[Bozz]

When Clipper runs on faster CPU, you need to have a fix for the R6003 error. I use the __wait_b.obj to overcome this. It's available on:

http://www.the-oasis.net/ftpmaster.php3?content=ftppatch.htm

Ian Boys
DTE Systems Ltd