On 2015-10-10, at 00:09, Robin Vowels wrote: > > Well, you can always use MH, but it won't overflow. > Oh, it overflows; it's just not reported. I've always believed that STH should set overflow if bits 0-15 are not sign extension of bit 16.
I've used MH; SLA 16 and M; SLDA 32 to detect overflow. -- gil
