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Table 2-13 Effective Address Calculation (cont)
Addressing Mode and
No.
Instruction Format
8
Memory indirect
@@aa:8
Normal mode
op
abs
Advanced mode
op
abs
Legend
r, rm, rn:
Register field
op:
Operation field
disp:
Displacement
IMM:
Immediate data
abs:
Absolute address
Effective Address Calculation
23
H'0000
15
Memory contents
23
H'0000
31
Memory contents
Effective Address
8 7
0
abs
0
23
16 15
H'00
8 7
0
abs
0
23
0
0
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