Documents 80486

80486 The extended flag register EFLAG is The only new flag bit is the AC alignment check, used to indicate that the microprocessor has accessed a word at an odd address…

Technology 64 bits for developers

1. 64 bits for developersBy Roman Okolovich 2. Introduction  x86-64 is a superset of the x86 instruction set architecture. x86-64 processors can run existing 32-bit or…