25
Table 2.2
Effective Address Calculation (cont)
No.
Addressing Mode and
Instruction Format
Effective Address
Calculation Method
Effective Address (EA)
8
Memory indirect, @@aa:8
op
8 7
0
15
Memory contents
(16 bits)
0
15
abs
H'00
8 7
0
15
abs
Legend:
rm, rn: Register field
op:
Operation field
disp:
Displacement
IMM:
Immediate data
abs:
Absolute address