IBM nec pd78p081(a2) User Manual
218
CHAPTER 16 INSTRUCTION SET
16.2 Operation List
Clock
Flag
Note 1
Note 2
Z AC CY
r, #byte
2
4
–
r
←
byte
saddr, #byte
3
6
7
(saddr)
←
byte
sfr, #byte
3
–
7
sfr
←
byte
A, r
Note 3
1
2
–
A
←
r
r, A
Note 3
1
2
–
r
←
A
A, saddr
2
4
5
A
←
(saddr)
saddr, A
2
4
5
(saddr)
←
A
A, sfr
2
–
5
A
←
sfr
sfr, A
2
–
5
sfr
←
A
A, !addr16
3
8
9
A
←
(addr16)
!addr16, A
3
8
9
(addr16)
←
A
PSW, #byte
3
–
7
PSW
←
byte
× × ×
A, PSW
2
–
5
A
←
PSW
PSW, A
2
–
5
PSW
←
A
× × ×
A, [DE]
1
4
5
A
←
(DE)
[DE], A
1
4
5
(DE)
←
A
A, [HL]
1
4
5
A
←
(HL)
[HL], A
1
4
5
(HL)
←
A
A, [HL + byte]
2
8
9
A
←
(HL + byte)
[HL + byte], A
2
8
9
(HL + byte)
←
A
A, [HL + B]
1
6
7
A
←
(HL + B)
[HL + B], A
1
6
7
(HL + B)
←
A
A, [HL + C]
1
6
7
A
←
(HL + C)
[HL + C], A
1
6
7
(HL + C)
←
A
A, r
Note 3
1
2
–
A
↔
r
A, saddr
2
4
6
A
↔
(saddr)
A, sfr
2
–
6
A
↔
sfr
A, !addr16
3
8
10
A
↔
(addr16)
XCH
A, [DE]
1
4
6
A
↔
(DE)
A, [HL]
1
4
6
A
↔
(HL)
A, [HL + byte]
2
8
10
A
↔
(HL + byte)
A, [HL + B]
2
8
10
A
↔
(HL + B)
A, [HL + C]
2
8
10
A
↔
(HL + C)
Notes 1. When the internal high-speed RAM area is accessed or instruction with no data access
2. When an area except the internal high-speed RAM area is accessed.
3. Except “r = A”
Remark
One instruction clock cycle is one cycle of the CPU clock (f
CPU
) selected by the PCC register.
Mnemonic
Operands
Byte
Operation
Instruction
Group
MOV
8-bit data
transfer