参数资料
型号: 78P0914
厂商: NEC Corp.
英文描述: Common to 78K/0 Series
中文描述: 共同的78K / 0系列
文件页数: 74/129页
文件大小: 644K
代理商: 78P0914
74
CHAPTER 5 EXPLANATION OF INSTRUCTIONS
User's Manual U12326EJ4V0UM
Decrement Word
DECW
Word Data Decrement
[Instruction format]
DECW dst
[Operation]
dst
dst
1
[Operand]
Mnemonic
Operand (dst)
DECW
rp
[Flag]
Z
AC
CY
[Description]
The destination operand (dst) contents are decremented by only one.
Because this instruction is frequently used for decrement of a register (pointer) used for addressing, the Z,
AC and CY flag contents are not changed.
[Description example]
DECW DE;
The DE register is decremented.
相关PDF资料
PDF描述
780208 Common to 78K/0 Series
780228 Common to 78K/0 Series
780308 Common to 78K/0 Series
780308Y Common to 78K/0 Series
78058FY Common to 78K/0 Series
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