Forum»Forum › MCU › Does ARM have an instruction to directly obtain the ...

1734 views|0 replies

2865 Posts	4 Resources

The OP

Published on 2021-6-12 13:44 Only look at the author

Does ARM have an instruction to directly obtain the overflow bit? [Copy link]

The traditional way to judge whether a bit is 1/0 is if(var>>x == 0x01), which is slow, so I would like to ask if there is an assembly instruction to directly get the overflowed bit.

ARM

This post is from MCU

Return list

Guess Your Favourite

【Posts】Does ARM have an instruction to directly obtain the overflow bit?
【Posts】It is said that the instructions executed by the ARM core are provided by SRAM. Are the instructions not read directly from FLASH?
【Posts】Is there any DL/T 645-2007 implemented using 51 MCU assembly instructions? Please provide it. Thank you very much.
【Posts】Is there any IDE for 51 MCU assembly instructions that is better than Weifu 6000? Please recommend it. Thank you.
【Posts】It is said that the instructions executed by the ARM core are provided by SRAM. Are the instructions not read directly from FLASH?
【Posts】The information returned by the AT command is too complicated and messy. Is there any mature source code for sending and receiving AT commands? Please provide it.
【Posts】Is there any IDE for 51 MCU assembly instructions that is better than Weifu 6000? Please recommend it. Thank you.
【Posts】In the development of NB-IOT LWM2M protocol device, is there a good library to facilitate the processing of AT command sending and receiving information?
【Download】Chm file ARM instruction set decompress and open it directly for browsing
【Download】upd 6464a Get program 51 assembly instructions
【Download】Use AT commands to directly control GSM control.
【Download】AmbA that can be used directly on arm
【Download】Detailed explanation of ARM instruction set (including machine code)
【Download】ARM Instruction Quick Reference Manual
【Download】ARM and Thumb-2 Instruction Set Quick Reference Card.pdf
【Download】Chapter 8 Jump Instructions \"ARM Series Processor Application Technology Complete Manual\"
【Design】The ARM-based embedded application-biometric system comes with SCH schematic diagram and source code, which can be directly used in the project.
【Articles】Instructions with direct address as destination operand (5) - MCS51 MCU assembly
【Articles】What are the instruction formats and functions of direct addressing and indirect addressing?
【Articles】arm: The difference between jlink debugging and direct programming and running [mdk s3c2440]
【Articles】Exclusive access instructions LDREX and STREX on ARM platform
【Articles】12.ARM pseudo-instruction operation
【Articles】ARM study notes 4 (arm pseudo-instructions)

Just looking around

It is said that the instructions executed by the ARM core are provided by SRAM. Are the instructions not read directly from FLASH?
ItissaidthattheinstructionsexecutedbytheARMcoreareprovidedbySRAMHowcometheyareprovidedbySRAM?
Is there any way to directly give the calculation equation and related solutions based on the electrical parameters of a given circuit and related components?
Isthereanysoftwarethatcandirectlycalculateequationsandrelatedsolutionsbasedonagivencircuitandtheelectricalparametersofrelatedcomponents?
Laser communication technology needs detailed explanation
IamnewtotheopticalcommunicationindustryIcanonlystartfromthegeneraldirectionThankyouverymuch.
Analysis of the pre-charging control principle of new energy vehicles
I was deducted money for the wrong picture
PCB drawing board suggestions for B628 lithium battery boost circuit chip
RT Thread IPC Summary
Offline voice control solution
What is the working principle of pneumatic solenoid valve? What are the classifications of pneumatic solenoid valves?
[SC8905 EVM Evaluation] + I2C communication between MCU and SC8905

Find a datasheet?

EEWorld Datasheet Technical Support

Hot tag

Related articles more>>

Qualcomm launches its first RISC-V architecture programmable connectivity module QCC74xM, supporting Wi-Fi 6 and other protocols
On November 14, Qualcomm announced the launch of two connectivity modules, QCC74xM and QCC730M, f
It is reported that memory manufacturers are considering using flux-free bonding for HBM4 to further reduce the gap between layers
On November 14, according to Korean media ETNews, Samsung Electronics, SK Hynix, and Micron are a
ON Semiconductor CEO Appears at Munich Electronica Show and Launches Treo Platform
During Electronica, ON Semiconductor CEO Hassane El-Khoury was interviewed by Power Electronics N
AMD launches second-generation Versal Premium series: FPGA industry's first to support CXL 3.1 and PCIe Gen 6
SEMI: Global silicon wafer shipment area increased by 6.8% year-on-year and 5.9% month-on-month in 2024Q3
TSMC's 5nm and 3nm supply reaches "100% utilization" showing its dominance in the market
LG Display successfully develops world's first stretchable display that can be expanded by 50%
Seizing the Opportunities in the Chinese Application Market: NI's Challenges and Answers
New diaphragm-free solid-state lithium battery technology is launched: the distance between the positive and negative electrodes is less than 0.000001 meters
Photoresist giant JSR Korea EUV MOR photoresist production base started construction, expected to be put into production in 2026

New Posts

Featured

EEWorld
subscription
account

EEWorld
service
account

Automotive
development
circle

About Us Customer Service Contact Information Datasheet Sitemap LatestNews

User Search：

Room 1530, Zhongguancun MOOC Times Building, Block B, 18 Zhongguancun Street, Haidian District, Beijing 100190, China Tel:(010)82350740 Postcode：100190

京公网安备 11010802033920号

快速回复返回顶部 Return list