28. Flag Register Carry Flay- set carry out of MSB Parity Flag-set if res. has even Auxiliary carry for BCD Zero flag-set if res. is 0 Sign Flag=MSB of res TrapFlag Interrupt Enable Flag String Direction Flag Overflow Flag
73. Control Unit Data Unit Protection Test Unit Segment Register Segment translators TLB Page translator decoder Instruction queue Prefetch queue prefetcher biu Decode unit Prefetch unit Page unit Execution unit Segment unit Internal architecture of 80386