449
CHAPTER 24 INSTRUCTION SET
User’s Manual U15798EJ2V0UD
Mnemonic
Operands
Bytes
Operation
Clocks
Flag
Note 1
Note 2
Z AC CY
SUB
A, #byte
2
4
–
A, CY
←
A – byte
× × ×
saddr, #byte
3
6
8
(saddr), CY
←
(saddr) – byte
× × ×
A, r
Note 3
2
4
–
A, CY
←
A – r
× × ×
r, A
2
4
–
r, CY
←
r – A
× × ×
A, saddr
2
4
5
A, CY
←
A – (saddr)
× × ×
A, !addr16
3
8
9
A, CY
←
A – (addr16)
× × ×
A, [HL]
1
4
5
A, CY
←
A – (HL)
× × ×
A, [HL + byte]
2
8
9
A, CY
←
A – (HL + byte)
× × ×
A, [HL + B]
2
8
9
A, CY
←
A – (HL + B)
× × ×
A, [HL + C]
2
8
9
A, CY
←
A – (HL + C)
× × ×
SUBC
A, #byte
2
4
–
A, CY
←
A – byte – CY
× × ×
saddr, #byte
3
6
8
(saddr), CY
←
(saddr) – byte – CY
× × ×
A, r
Note 3
2
4
–
A, CY
←
A – r – CY
× × ×
r, A
2
4
–
r, CY
←
r – A – CY
× × ×
A, saddr
2
4
5
A, CY
←
A – (saddr) – CY
× × ×
A, !addr16
3
8
9
A, CY
←
A – (addr16) – CY
× × ×
A, [HL]
1
4
5
A, CY
←
A – (HL) – CY
× × ×
A, [HL + byte]
2
8
9
A, CY
←
A – (HL + byte) – CY
× × ×
A, [HL + B]
2
8
9
A, CY
←
A – (HL + B) – CY
× × ×
A, [HL + C]
2
8
9
A, CY
←
A – (HL + C) – CY
× × ×
AND
A, #byte
2
4
–
A
←
A
byte
×
saddr, #byte
3
6
8
(saddr)
←
(saddr)
byte
×
A, r
Note 3
2
4
–
A
←
A
r
×
r, A
2
4
–
r
←
r
A
×
A, saddr
2
4
5
A
←
A
(saddr)
×
A, !addr16
3
8
9
A
←
A
(addr16)
×
A, [HL]
1
4
5
A
←
A
(HL)
×
A, [HL + byte]
2
8
9
A
←
A
(HL + byte)
×
A, [HL + B]
2
8
9
A
←
A
(HL + B)
×
A, [HL + C]
2
8
9
A
←
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”
Remarks 1.
One instruction clock cycle is one cycle of the CPU clock (f
CPU
) selected by the processor clock control
register (PCC).
2.
This clock cycle applies to the internal ROM program.
Instruction
Group
8-bit
operation
Содержание mPD780344 Series
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