Re: [Freedos-user] jemm v5.7 ...

2008-02-07 Thread Mateusz Viste
On Wednesday 30 January 2008, Japheth wrote:
  is out:

 http://www.bttr-software.de/forum/forum_entry.php?id=3132page=0order=time
descasc=DESCcategory=all

Okay, uploaded to my FreeDOS Update server, as well as the new DEBUG v1.11.

Mateusz Viste

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Re: [Freedos-user] jemm v5.7 ...

2008-02-02 Thread Japheth

 The forum discussion suggests that most of the bugfixes
 in jemm386 5.70 fix minor or rarely occurring bugs :-).

Yes. The one thing which I'm unable to decide whether it's relevant is the 
lacking reentrancy of v5.69 converning XMS block moves. A TSR which hooks the 
timer interrupt and then calls the XMS block more (i.e. a write-back cache 
program) usually should ensure that XMS is safe to call, but I don't know 
what usually is in this regard.



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Re: [Freedos-user] jemm v5.7 ...

2008-02-01 Thread Eric Auer

 ... is out:
 www.bttr-software.de/forum/forum_entry.php?id=3132page=0order=timedescasc=DESCcategory=all

Instead of saying search the web to find out, I prefer
telling the news directly and by mail ;-). So here is a
cut and paste from the readme file provided by Japheth:

01/30/2008: v5.70

 - bugfix: the copy memory routine wasn't reentrant, making an XMS
   block move or a call of Int 15h, ah=87h from within an ISR slightly
   unsafe.

 - bugfix: int 67h, ah=57h returned error 8Ah instead of 93h when a
   region exceeded the size of the EMS handle.

 - bugfix: int 67h, ah=57h accepted any region type (just 00 and 01 are
   valid ones).

 - bugfix: int 67h, ax=5701h accepted overlapping EMS regions. Now status
   97h is returned.

 - bugfix: since v5.61 (support for mappable pages in conventional memory)
   option NODYN often failed to make all memory available which was
   requested with the MIN=x option.

 - bugfix: exception 11h in v86-mode caused a loop in Jemm's exception
   handler.

 - bugfix: due to an alignment problem the low byte of max. free memory
   block for XMS v2 (X2MIN) was 0, as a result the default block size was
   65280 (0xFF00) instead of 65535 kB (JemmEx only, bug since v5.64).

 - int 67h,ax=5701h, memory exchange is now also done with interrupts
   enabled if client's interrupt flag is set.

 - port 60h access is now trapped only if the keyboard controller's output
   port is accessed.

 - tool XMSSTAT and source of EMSSTAT added.

Homepage is: www.japheth.de/Jemm.html

The forum discussion suggests that most of the bugfixes
in jemm386 5.70 fix minor or rarely occurring bugs :-).

Eric



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[Freedos-user] jemm v5.7 ...

2008-01-30 Thread Japheth
... is out:

http://www.bttr-software.de/forum/forum_entry.php?id=3132page=0order=timedescasc=DESCcategory=all


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