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Table 2.2
Effective Address Calculation (cont)
Addressing Mode and
No.
Instruction Format
5
Absolute address
@aa:8
15
8 7
op
@aa:16
15
op
abs
6
Immediate
#xx:8
15
8 7
op
#xx:16
15
op
IMM
7
Program-counter relative
@(d:8, PC)
15
8
op
24
Effective Address
Calculation Method
0
abs
0
0
IMM
0
15
7
0
disp
PC contents
Sign
disp
extension
Effective Address (EA)
15
8 7
H'FF
15
Operand is 1- or 2-byte
immediate data
0
15
0
0
0
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