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Rev. 1.0, 07/01, page 32 of 372
Table 2-12 Effective Address Calculation (2)
No
5
op
23 0
abs
@aa:8
7
H'FFFF
op
23
0
@aa:16
@aa:24
abs
15
16
23 0
op
abs
6
op
IMM
#xx:8/#xx:16/#xx:32
8
Addressing Mode and Instruction Format
Absolute address
Immediate
Effective Address Calculation Effective Address (EA)
Sign extension
Operand is immediate data.
7
Program-counter relative
@(d:8,PC)
@(d:16,PC)
Memory indirect @@aa:8
23
0
disp
0
23
0
disp
op
23
op
8
abs
23
0
abs
H'0000
78
015
23
0
15
H'00
16
Legend
r, rm,rn :
op :
disp :
IMM :
abs :
Register field
Operation field
Displacement
Immediate data
Absolute address
PC contents
Sign
extension
Memory contents