NonStop S-Series Server Description Manual (G06.27+)

TNS Execution Modes
HP NonStop S-Series Server Description Manual—520331-004
6-9
The Register Stack
Figure 6-5. The Top-of-Stack Can Occupy Various Positions in the Register Stack
011
R [3]
RP
110
RP
R [6]
Top
64-Bit Operands
Top
Operand 1 (HGFE)
Operand 2 (DCBA)
Top
Operand 1 (DC)
Operand 2 (BA)
Operand 1 (B)
Operand 2 (A)
Top
16-Bit Operands
32-Bit Operands
Environment Register
Environment Register
D
B
H
F
C
A
G
E
F
G
E
D
B
H
C
A
F
G
E
D
B
C
A
D
B
C
A
H
B
A
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