carryflag

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Binary addition/subtraction

I am having a bit of trouble understanding Carry Flag (CF) and Overflow Flag (OF). Here are some sample problems I am working on:[详细]

2023-04-07 03:21 分类：问答
Efficient 128-bit addition using carry flag

I\'m using a 128 bit开发者_Python百科 integer counter in the very inner loops of my C++ code. (Irrelevant background: The actual application is evaluating finite difference equations on a regular grid[详细]

2023-03-19 19:34 分类：问答
How I make an addition of two numbers of 32 bits in Assembly using ADC? [closed]

Closed. This question needs to be more focused. It is not currently accepting answers. 开发者_如何学运维[详细]

2023-02-05 15:32 分类：问答
What actually happens when a Byte overflows?

What actually happens when a Byte overflows? Say we have byte byte1 = 150; // 10010110 byte byte2 = 199; // 11000111[详细]

2023-01-24 09:11 分类：问答
Assembly ADC (Add with carry) to C++

There is an x86 assembly instruction ADC. I\'ve found this means "Add with carry". What does this mean/do? How would one implement the behavior of this instruction in C++?[详细]

2023-01-24 07:37 分类：问答
check if carry flag is set

Using inline assembler [gcc, intel, c], how to check if the carry flag is set after an o开发者_开发百科peration?sbb %eax,%eax will store -1 in eax if the carry flag is set, 0 if it is clear. There\'s[详细]

2023-01-04 22:11 分类：问答
十二星座哪些最聪明？

Ricardo_830 开发者_运维技巧 2022-05-22 09:34 简要回答十二星座中最聪明的星座要数双子座，因为双子座天生聪明，反应较快，而且文武双全，对于新鲜的事物上手也特别的快。其实他们还足智多谋，善于沟通，让别人[详细]

2022-12-19 20:16 分类：问答