NEC 78K/0 Series - Manual (Page 47)

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CHAPTER 5 EXPLANATION OF INSTRUCTIONS
User's Manual U12326EJ4V0UM
DESCRIPTION EXAMPLE
Mnemonic Full name
Move
MOV
Byte Data Transfer
Meaning of instruction
[Instruction format] MOV dst, src: Indicates the basic description format of the instruction.
[Operation] dst ← src: Indicates instruction operation using symbols.
[Operand] Indicates operands that can be specified by this instruction. Refer to 4.1 Operation for
the description of each operand symbol.
Mnemonic Operand(dst,src) Mnemonic Operand(dst,src)
MOV r, #byte MOV A, PSW
A, saddr [HL], A
saddr, A A, [HL+byte]
PSW, #byte [HL+C], A
[Flag] Indicates the flag operation that changes by instruction execution.
Each flag operation symbol is shown in the conventions.
Z AC CY
Conventions
Symbol Description
Blank Unchanged
0 Cleared to 0
1 Set to 1
X Set or cleared according to the result
R Previously saved value is restored
[Description]: Describes the instruction operation in detail.
• The contents of the source operand (src) specified by the 2nd operand are transferred to the destination
operand (dst) specified by the 1st operand.
[Description example]
MOV A, #4DH; 4DH is transferred to the A register.
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