AMD-K6-2E Datasheet, PDF (43/332 Pages) Advanced Micro Devices – AMD-K6™-2E Embedded Processor

22529B/0—January 2000
Preliminary Information
AMD-K6™-2E Processor Data Sheet
Integer Data Types
Byte Integer
Table 3. General-Purpose Register Doubleword, Word, and Byte Names
32-Bit Name
(Doubleword)
EAX
EBX
ECX
EDX
EDI
ESI
ESP
EBP
16-Bit Name
(Word)
AX
BX
CX
DX
DI
SI
SP
BP
8-Bit Name
8-Bit Name
(High-order Bits) (Low-order Bits)
AH
AL
BH
BL
CH
CL
DH
DL
–
–
–
–
–
–
–
–
Four types of data are used in general-purpose registers—byte,
word, doubleword, and quadword integers. Figure 8 shows the
format of the integer data registers.
7
0
Precision —
8 Bits
Word Integer
15
0
Precision — 16 Bits
Doubleword Integer
31
Precision — 32 Bits
Quadword Integer
63
Figure 8. Integer Data Registers
Chapter 3
Precision — 64 Bits
Software Environment
0
0
25