[Virtualacorn-list] Mac VRPC and the UMULL crash

[Graham Howlett]

I have an Intel Mac running OSX5.5 and VRPC running Select 6.10 on  
StrongArm – if you would  like me to try your test prog.

Graham

On 5 Nov 2008, at 11:50, Martin wrote:

> Calling Mac VRPC users!
>
> A problem was raised with me that my !Rover application crashed the  
> VRPC
> emulator, on a Mac G4 using StrongArm emulation.
>
> After some investigation (thanks to DaveL) it seems that when a UMULL
> instruction is executed on the StrongArm emulator, the emulator fails
> totally, but the Arm710 and Arm7500 emulators do not. The UMULL
> instruction is used in the initialisation of my ArmSort module which  
> is
> RMloaded by !Rover.!Run (and other applications, eg !SiteMatch).
>
> For further details, click the following link to see the Forum post:
> http://www.virtualacorn.co.uk/forum/viewtopic.php?f=13&t=500
>
> I have a small BASIC test program, and on my RPC, Iyonix, and Windows
> VRPC it all works perfectly, but I do not have a Mac.
>
> Therefore I would like help from other users to run the test program  
> on
> Mac VRPC installations (both G4/G5 and Intel processors, and on each  
> of
> the Arm710, Arm7500 and StrongArm emulations) to verify how common  
> this
> problem is.
>
> Note that if the problem does exist, it will crash your VRPC  
> emulation!
>
> Please let me know if you can help, and specify which processor you  
> have.
>
> Thanks
> Martin
>
> --
> Martin Avison      using a British Iyonix running RISC OS 5
>                   and the Pluto mail and newsreader
>
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