registers
general purpose registers
RFLAGS register
segment registers
table registers
control registers
debug registers
FP | MMX | 3DNow! | XMM
MSRs
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opcodes
one byte opcodes
two byte opcodes
three byte opcodes
opcode groups
FP | 3DNow! | SSE5A
REX byte
16bit and 32bit mod R/M byte
32bit SIB byte
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structures
datatypes
stack frame
selectors
descriptors
descriptor tables
task state segment
paging structures
system management mode
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miscellaneous
condition codes
exceptions | interrupts
legacy stuff | APIC
coherency
processor mode
initial state
canonical addresses
CPUID (IA-32)
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