參數(shù)資料
型號: 78058F
廠商: NEC Corp.
英文描述: common to 78K/0 Series
中文描述: 普通的78K / 0系列
文件頁數(shù): 72/129頁
文件大小: 644K
代理商: 78058F
72
CHAPTER 5 EXPLANATION OF INSTRUCTIONS
User's Manual U12326EJ4V0UM
Decrement
DEC
Byte Data Decrement
[Instruction format]
DEC dst
[Operation]
dst
dst
1
[Operand]
Mnemonic
Operand(dst)
DEC
r
saddr
[Flag]
Z
AC
CY
×
×
[Description]
The destination operand (dst) contents are decremented by only one.
If the decrement result is 0, the Z flag is set (1). In all other cases, the Z flag is cleared (0).
If the decrement generates a carry for bit 3 out of bit 4, the AC flag is set (1). In all other cases, the AC
flag is cleared (0).
Because this instruction is frequently used for decrement of a counter for repeated operations and an indexed
addressing offset register, the CY flag contents are not changed (to hold the CY flag contents in multiple-
byte operation).
If dst is the B or C register or saddr, and it is not desired to change the AC and CY flag contents, the DBNZ
instruction can be used.
[Description example]
DEC FE92H;
The contents at address FE92H are decremented.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
78058FY 制造商:NEC 制造商全稱:NEC 功能描述:Common to 78K/0 Series
78059-001 功能描述:集管和線殼 OCTOGONAL NUT RoHS:否 產(chǎn)品種類:1.0MM Rectangular Connectors 產(chǎn)品類型:Headers - Pin Strip 系列:DF50 觸點(diǎn)類型:Pin (Male) 節(jié)距:1 mm 位置/觸點(diǎn)數(shù)量:16 排數(shù):1 安裝風(fēng)格:SMD/SMT 安裝角:Right 端接類型:Solder 外殼材料:Liquid Crystal Polymer (LCP) 觸點(diǎn)材料:Brass 觸點(diǎn)電鍍:Gold 制造商:Hirose Connector
78059-001LF 功能描述:高速/模塊連接器 HPC OCTAGON #2-56 MOUNTING NUT RoHS:否 制造商:Molex 系列:iPass 產(chǎn)品類型: 排數(shù): 列數(shù): 位置/觸點(diǎn)數(shù)量:38 安裝角:Right 節(jié)距:0.8 mm 安裝風(fēng)格:Plug 端接類型:SMD/SMT 外殼材料:Thermoplastic 觸點(diǎn)材料:High Performance Alloy (HPA) 觸點(diǎn)電鍍:Gold
78059-002 功能描述:高速/模塊連接器 HPC OCTAGON #2-56-MOUNTING NUT RoHS:否 制造商:Molex 系列:iPass 產(chǎn)品類型: 排數(shù): 列數(shù): 位置/觸點(diǎn)數(shù)量:38 安裝角:Right 節(jié)距:0.8 mm 安裝風(fēng)格:Plug 端接類型:SMD/SMT 外殼材料:Thermoplastic 觸點(diǎn)材料:High Performance Alloy (HPA) 觸點(diǎn)電鍍:Gold
78059-002LF 功能描述:高速/模塊連接器 HPC OCTAGON #2-56 MOUNTING NUT RoHS:否 制造商:Molex 系列:iPass 產(chǎn)品類型: 排數(shù): 列數(shù): 位置/觸點(diǎn)數(shù)量:38 安裝角:Right 節(jié)距:0.8 mm 安裝風(fēng)格:Plug 端接類型:SMD/SMT 外殼材料:Thermoplastic 觸點(diǎn)材料:High Performance Alloy (HPA) 觸點(diǎn)電鍍:Gold