HD6417021 Hitachi Semiconductor, HD6417021 Datasheet - Page 45

• Manufacturer Part Number: HD6417021
• Description: SuperH RISC engine
• Manufacturer: Hitachi Semiconductor

m format
Table 2.9
Instruction Formats
nm format
md format
nd4 format
Note: In MAC instructions, nnnn is the source register.
26 HITACHI
15
15
15
15
xxxx
xxxx
xxxx
xxxx
mmmm
nnnn
xxxx
xxxx
Instruction Formats (cont)
mmmm
mmmm
nnnn
xxxx
dddd
dddd
xxxx
xxxx
0
0
0
0
Source
Operand
mmmm: Direct
register
mmmm: Indirect
post-increment
register
mmmm: Direct
register
mmmm: Direct
register
mmmm: Direct
register
mmmm: Indirect
post-increment
register
(multiply/
accumulate)
nnnn: Indirect
post-increment
register
(multiply/
accumulate)*
mmmm: Indirect
post-increment
register
mmmm: Direct
register
mmmm: Direct
register
mmmmdddd:
indirect register
with
displacement
R0 (Direct
register)
Destination
Operand
Control register or
system register
Control register or
system register
—
nnnn: Direct
register
nnnn: Direct
register
MACH, MACL
nnnn: Direct
register
nnnn: Indirect pre-
decrement register
nnnn: Indirect
indexed register
R0 (Direct register) MOV.B
nnnndddd: Indirect
register with
displacement
Instruction
Example
LDC
LDC.L
JMP
ADD
MOV.L
MAC.W
@Rm+,@Rn+
MOV.L
MOV.L
MOV.L
Rm,@(R0,Rn)
@(disp,Rm),R0
MOV.B
R0,@(disp,Rn)
@Rm
Rm,SR
@Rm+,SR
Rm,Rn
Rm,@Rn
@Rm+,Rn
Rm,@-Rn