25
Table 2.2 Effective Address Calculation (cont)
Addressing Mode and
Instruction Format
No.
Effective Address Calculation Method
Effective Address (EA)
8
Memory indirect, @@aa:8
op
87
0
15
Memory contents (16 bits)
0
15
abs
H'00
87
0
15
Notation:
rm, rn:
op:
disp:
IMM:
abs:
Register field
Operation field
Displacement
Immediate data
Absolute address
abs