CHAPTER 20 INSTRUCTION SET
390
User’s Manual U11302EJ4V0UM
ROR4
[HL]
2
10
12
ROL4
[HL]
2
10
12
Instruc- Mnemonic
Operands
Bytes
Operation
tion
Group
ADDW
AX, #word
3
6
–
AX, CY
←
AX+word
×
×
×
SUBW
AX, #word
3
6
–
AX, CY
←
AX–word
×
×
×
CMPW
AX, #word
3
6
–
AX–word
×
×
×
MULU
X
2
16
–
AX
←
A
×
X
DIVUW
C
2
25
–
AX (Quotient), C (Remainder)
←
AX
÷
C
r
1
2
–
r
←
r+1
×
×
saddr
2
4
6
(saddr)
←
(saddr)+1
×
×
r
1
2
–
r
←
r–1
×
×
saddr
2
4
6
(saddr)
←
(saddr)–1
×
×
INCW
rp
1
4
–
rp
←
rp+1
DECW
rp
1
4
–
rp
←
rp–1
Rotation
ROR
A, 1
1
2
–
(CY, A
7
←
A
0
, A
m–1
←
A
m
)
×
1
×
ROL
A, 1
1
2
–
(CY, A
0
←
A
7
, A
m+1
←
A
m
)
×
1
×
RORC
A, 1
1
2
–
(CY
←
A
0
, A
7
←
CY, A
m–1
←
A
m
)
×
1
×
ROLC
A, 1
1
2
–
(CY
←
A
7
, A
0
←
CY, A
m+1
←
A
m
)
×
1
×
A
3–0
←
(HL)
3–0
, (HL)
7–4
←
A
3–0
,
(HL)
3–0
←
(HL)
7–4
A
3–0
←
(HL)
7–4
, (HL)
3–0
←
A
3–0
,
(HL)
7–4
←
(HL)
3–0
Decimal Adjust Accumulator after
Addition
Decimal Adjust Accumulator after
Subtract
CY, saddr.bit
3
6
7
CY
←
(saddr.bit)
×
CY, sfr.bit
3
–
7
CY
←
sfr.bit
×
CY, A.bit
2
4
–
CY
←
A.bit
×
CY, PSW.bit
3
–
7
CY
←
PSW.bit
×
CY, [HL].bit
2
6
7
CY
←
(HL).bit
×
saddr.bit, CY
3
6
8
(saddr.bit)
←
CY
sfr.bit, CY
3
–
8
sfr.bit
←
CY
A.bit, CY
2
4
–
A.bit
←
CY
PSW.bit, CY
3
–
8
PSW.bit
←
CY
×
×
[HL].bit, CY
2
6
8
(HL).bit
←
CY
Notes 1.
When the internal high-speed RAM area is accessed or an instruction with no data access.
2.
When an area except the internal high-speed RAM area is accessed.
Remark
One instruction clock cycle is one cycle of the CPU clock (f
CPU
) selected by the processor clock control
register (PCC).
Z
AC CY
Note 2
Note 1
Clocks
Flag
16-bit
operation
Multiply/
divide
INC
DEC
Increase/
decrease
ADJBA
2
4
–
×
×
×
ADJBS
2
4
–
×
×
×
BCD
adjust
MOV1
Bit
manipu-
lation
Содержание mPD780208 Subseries
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