GXM Datasheet, PDF (41/244 Pages) National Semiconductor (TI) – Geode™ GXm Processor Integrated x86 Solution with MMX Support

Processor Programming (Continued)
Table 3-2. Application Register Set
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
General Purpose Registers
AX
AH
AL
EAX (Extended A Register)
BX
BH
BL
EBX (Extended B Register)
CX
CH
CL
ECX (Extended C Register)
DX
DH
DL
EDX (Extended D Register)
SI (Source Index)
ESI (Extended Source Index)
DI (Destination Index)
EDI (Extended Destination Index)
BP (Base Pointer)
EBP (Extended Base Pointer)
SP (Stack Pointer)
ESP (Extended Stack Pointer)
Segment (Selector) Registers
CS (Code Segment)
SS (Stack Segment)
DS (D Data Segment)
ES (E Data Segment)
FS (F Data Segment)
GS (G Data Segment)
Instruction Pointer and EFLAGS Registers
EIP (Extended Instruction Pointer)
ESP (Extended FLAGS Register)
Revision 3.1
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