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:32
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
Program-counter relative
@(d:8,PC)/@(d:16,PC)
Memory indirect @@aa:8
31 0
Don't care
23 0
disp
0
31 23
31 0
Don't care
disp
op
23
op
8
abs
31 0
abs
H'000000
7
8
0
15 31 23
31 0
Don't care
15
H'00
16
opabs
31 0
abs
H'000000
7
8
0
31
24
24
24
PC contents
Sign
extension
Memory contents
Memory contents