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Table 1-12, Effective Address Calculation (3)
Addressing mode,
No.
instruction format
6
Absolute address
@aa:8
15
8 7
OP
Absolute address
@aa:16
15
OP
abs
7
PC-relative @(d:8, PC)
15
8 7
OP
8
Memory indirect @@aa:8
15
8 7
OP
reg, regm, regn: General register
op:
Operation field
disp:
Displacement
abs:
Absolute address
IMM:
Immediate data
Effective address
calculation
None
0
abs
0
15
15
PC contents
Sign extension
0
disp
0
abs
15
15
16-bit memory contents
16-bit memory contents
0
0
PC contents
disp
8 7
H'00
31
Effective
address
15
H'FF
Operand address is in range
from H'FF00 to H'FFFF
15
Arbitrary address
15
+
Destination address
0
15
0
Destination address
8 7
0
0
0
0
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