On Wed, Oct 17, 2012 at 05:43:55PM +0100, Peter Maydell wrote:
> On 16 October 2012 10:15, Peter Crosthwaite
> wrote:
> > Instructions that both use the RRX second operand and update CS were
> > incorrect, as the Carry flag was updated too early. An example of such an
> > instruction would be:
> >
On 16 October 2012 10:15, Peter Crosthwaite
wrote:
> Instructions that both use the RRX second operand and update CS were
> incorrect, as the Carry flag was updated too early. An example of such an
> instruction would be:
>
> ands r12,r13,RRX
>
> Ands, because of the "s" flag will update the carry
Instructions that both use the RRX second operand and update CS were
incorrect, as the Carry flag was updated too early. An example of such an
instruction would be:
ands r12,r13,RRX
Ands, because of the "s" flag will update the carry flag. But the RRX second
operand rotates through the C flag whi
