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Rev. 1.00, 05/04, page 45 of 544
Table 2.13 Effective Address Calculation (2)
No
5
op
31
23
31
0
Don't care
abs
@aa:8
7
H'FFFF
op
31
23
31
0
Don't care
@aa:16
op
@aa:24
@aa:32
abs
15
16
31
23
31
0
Don't care
31
23
31
0
Don't care
abs
op
abs
6
op
IMM
#xx:8
/#xx:16/#xx:3
2
8
24
24
24
24
Addressing Mode and Instruction Format
Absolute address
Immediate
Effective Address Calculation Effective Address (EA)
Sign extension
Operand is immediate data.
31
23
7
P
rogram-counter relative
@
(d:8,PC)/@(d:16,PC)
Memory indirect @@aa:8
31
0
D
on't care
23
0
disp
0
31
23
31
0
Don't care
disp
op
23
op
8
abs
31
0
a
bs
H'000000
7
8
0
15
31
2
3
31
0
Don't care
1
5
H
'00
16
o
p
abs
31
0
abs
H'000000
7
8
0
31
24
24
24
PC contents
Sign
extension
Memory contents
Memory contents