28 Apr
2024
28 Apr
'24
2:36 a.m.
On 4/27/24 19:09, Fred Cisin via cctalk wrote:
How many know that AAM is a two byte instruction, with
the second byte
being 0Ah?
Changing the second byte to 8 gave division by 8, etc.
Only for sure on Intel x86 processors. I believe that the NEC V20
assumes that the second byte is 0x0a and ignores the byte completely. I
would not be surprised to find that other non-Intel CPUs behave the same
way.
--Chuck