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11.7.1 MMU Effective Address Calculation (Continued)
Address Mode
FULL FORMATION EXTENSION WORD(S) (CONTINUED)
([d32,B))
6
0
20(11010)
([d32,B),I)
6
0
20(1/010)
([d32,B)'d16)
6
0
20(1/010)
([d32,B),I,d16)
6
0
20(1/010)
([d32,B),d32)
6
0
22(1/010)
([d32,B),I,d32)
6
0
22(1/010)
B
=
Base address; 0, An, Xn, An
+
Xn. Form does not affect timing.
I
=
Index; 0, Xn
*No separation on effective address and operation in timing. Head and tail are the operation's.
NOTE: Xn cannot be in B and I at the same time. Scaling and size of Xn do not affect timing.
MOTOROLA
MC68030 USER'S MANUAL
20(112/0)
20(11210)
20(1/3/0)
20(1/3/0)
22(11310)
22(1/3/0)
11-59
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