24
Table 2.2 Effective Address Calculation (cont)
Addressing Mode and
Instruction Format
No.
Effective Address Calculation Method
Effective Address (EA)
5
Absolute address
@aa:8
Operand is 1- or 2-byte immediate data
@aa:16
op
87
0
15
op
0
15
IMM
op
disp
70
15
Program-counter relative
@(d:8, PC)
6
7
0
15
PC contents
0
15
0
15
abs
H'FF
87
0
15
0
15
abs
op
#xx:16
op
87
0
15
IMM
Immediate
#xx:8
8
Sign extension
disp