Effective Address Field
Table B.2-1 shows the address formats specified by the effective address field.
Table B.2-1 Effective Address Field
Code
Representation
00
R0
01
R1
02
R2
03
R3
04
R4
05
R5
06
R6
07
R7
08
@RW0
09
@RW1
0A
@RW2
0B
@RW3
0C
@RW0+
0D
@RW1+
0E
@RW2+
0F
@RW3+
10
@RW0+disp8
11
@RW1+disp8
12
@RW2+disp8
13
@RW3+disp8
14
@RW4+disp8
15
@RW5+disp8
16
@RW6+disp8
17
@RW7+disp8
18
@RW0+disp16
19
@RW1+disp16
1A
@RW2+disp16
1B
@RW3+disp16
1C
@RW0+RW7
1D
@RW1+RW7
1E
@PC+disp16
1F
addr16
RW0
RL0
RW1
(RL0)
Register direct
RW2
RL1
"ea" corresponds to the following models
RW3
(RL1)
from left, sequentially.
• Byte
RW4
RL2
• word
RW5
(RL2)
• long word
RW6
RL3
RW7
(RL3)
Register indirect
With post increment
Register indirect
With 8-bit displacement
Register indirect
With16-bit displacement
Register indirect
Register indirect with index
Register indirect with index
PC indirect with16-bit displacement
Direct address
Address format
Appendix B Instruction
Default bank
None
DTB
DTB
ADB
SPB
DTB
DTB
ADB
SPB
DTB
DTB
ADB
SPB
DTB
DTB
ADB
SPB
DTB
DTB
ADB
SPB
DTB
DTB
PCB
DTB
617