Basic Instruction Formats - Hitachi H8/300L Series Programming Manual

1.3.3

Basic Instruction Formats

(1) Format of Data Transfer Instructions
Figure 1-5 shows the format used for data transfer instructions.
15
op
15
op
15
op
15
op
15
op
15
15
op
15
15
Notation
op : Operation field
r , r : Register field
m n
disp. : Displacement
abs. : Absolute address
IMM : Immediate data
Figure 1-5.Instruction Format of Data Transfer Instructions
20
8 7
r
m
8 7
r
m
8 7
r
m
disp.
8 7
r
m
8 7
n r
8 7
op
abs.
8 7
n r
8 7
op
IMM
8 7
op
0 MOV
r
Rm Rn
n
0
Rn @Rm, or @Rm
r
n
0
@(d:16,Rm)
r
n
Rn @(d:16,Rm)
0
@ Rm+
r
n
0
@ aa :8
abs.
0
@ aa :16
n r
Rn @ aa :16
0
IMM # xx:8
0
n r
# xx:16
0
n r
POP, PUSH
Rn
Rn, or
Rn, or Rn @-Rm
Rn, or Rn @ aa :8
Rn, or
Rn
Rn