[iyonix-support] Re: ABC Compiler
- From: Chris Evans <chris@xxxxxxxxxxxxxxx>
- To: iyonix-support@xxxxxxxxxxxxx
- Date: Wed, 31 May 2006 17:39:17 +0100 (BST)
On Wed 31 May, Andrew Hodgkinson wrote:
>
> Martin Wuerthner wrote:
>
> > With hindsight, it would have been a good idea if RO5 had introduced
> > such a check - back then, it would have been an ideal moment to do so
> > because all executables had to be changed anyway to make them 32-bit
> > compatible.
>
> Actually, many executables did not, particularly a lot of transient
> utilities. In fact there was a long discussion and ultimately a quite
> explicit decision to *not* require the header. There was already more
> than enough incompatibility without introducing another source of problems.
>
> If the RISC OS market had been alive, vibrant and bouncy ;-) then the
> decision might have been different, but because there were a fair few
> 26/32-bit neutral bits of code already out in the field that worked but
> were no longer maintained. With the market apparently in no state to be
> likely to either restart maintenance, the decision was made to have as
> small an impact as possible.
I can see the logic in the above, it is though a pity that advantages of
AIF headers wasn't promoted along side the details for 32bitting!
or was that done and ignored:-(
> Crashes due to running 26-bit code accidentally are surely rare; but
> you're right to point them out.
I thought AIF headers offered a number of other advantages which would
increase reliability.
> 32-bit RISC OS was originally conceived
> for use in closed systems, with Phoebe long dead, though the engineers
> involved did try to bear in mind desktop users - good thing too, as it
> turned out, or the Iyonix couldn't have happened.
:-)
Chris Evans
--
CJE Micro's / 4D 'RISC OS Specialists'
Telephone: 01903 523222 Fax: 01903 523679
chris@xxxxxxxxxxxxxxx http://www.cjemicros.co.uk/
78 Brighton Road, Worthing, West Sussex, BN11 2EN
The most beautiful thing anyone can wear, is a smile!
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