8086 bugs (was: Legacy apps in Windows/OS X was Re: Old MS-DOS &

[Steven Canning]

RCA's CDP1802 had " SEX " ...   SEt X register ...

regards, Steven C.




> > nuggets like the one you mentioned above.  He also mentioned that the
> > architects
> > called the sign extend instruction SEX, but management wouldn't have it.
> > Motorola apparently was less stodgy.
>
> I've heard a similar story about DEC -- the engineers wanted to call the
> sign extend instruction on the PDP11 SEX, the management objected and
> insisted it was called SXT
>
> The engineers got their own back when the VAX was released. The register
> that holds the address used in a transfer on the Unibus that times out is
> called the Failed UniBus Address Register (FUBAR). And that one did get
> into manuals, printests, etc.
>
> -tony
>