NEC PD75402A User Manual
Page 164
153
CHAPTER 9. INSTRUCTION SET
A, #n 4
1
1
A
←
n 4
Stack A
XA, #n 8
2
2
XA
←
n 8
Stack A
HL, #n 8
2
2
HL
←
n 8
Stack B
A, @HL
1
1
A
←
(HL)
*1
MOV
@HL, A
1
1
(HL)
←
A
*1
A, mem
2
2
A
←
(mem)
*2
XA, mem
2
2
XA
←
(mem)
*2
mem, A
2
2
(mem)
←
A
*2
mem, XA
2
2
(mem)
←
XA
*2
A, @HL
1
1
A
↔
(HL)
*1
A, mem
2
2
A
↔
(mem)
*2
XA, mem
2
2
XA
↔
(mem)
*2
A, reg1
1
1
A
↔
reg1
MOVT
XA, @PCXA
1
3
XA
←
(PC
10 – 8
+ XA)
ROM
A, #n 4
1
1 + S
A
←
A + n 4
carry
A, @HL
1
1 + S
A
←
A + (HL)
*1
carry
ADDC
A, @HL
1
1
A, CY
←
A + (HL) + CY
*1
AND
A. @HL
1
1
A
←
A
∧
(HL)
*1
OR
A, @HL
1
1
A
←
A
∨
(HL)
*1
XOR
A, @HL
1
1
A
←
A
∨
(HL)
*1
RORC
A
1
1
CY
←
A
0
, A
3
←
CY, A
n–1
←
A
n
NOT
A
2
2
A
←
A
reg
1
1 + S
reg
←
reg + 1
reg = 0
mem
2
2 + S
(mem)
←
(mem) + 1
*2
(mem) = 0
DECS
reg
1
1 + S
reg
←
reg – 1
reg = FH
reg, #n 4
2
2 + S
Skip if reg = n 4
reg = n4
A, @HL
1
1 + S
Skip if A = (HL)
*1
A = (HL)
SET 1
CY
1
1
CY
←
1
CLR 1
CY
1
1
CY
←
0
SKT
CY
1
1 + S
Skip if CY = 1
CY = 1
NOT 1
CY
1
1
CY
←
CY
Operation
Skip
Condition
Addressing
Area
XCH
Note
1. Instruction Group
2. Accumulator operation instructions
3. Increment/decrement instructions
4. Compare instructions
Note 1
Mnemonic
Operand
ADDS
Move instructions
Arithmetic and
logic instructions
Note 2
Note 4
Note 3
Carry flag
operation
instructions
Machine
Cycle
Bytes
INCS
SKE