machine-code_开发者

What does the AMD64 machine code "48 ff 25" mean? [closed]

This question is unlikely to help any future visitors; it is only relevant to a small geographic area, a specific moment in time,or an extraordinarily narrow situation that is not generally applic[详细]

2023-04-13 08:52 分类：问答

Assembly how to translate JNE to C Code without ZF flag access

ASM to C Code emulating nearly done.. just trying to solve these second pass problems. Lets say I got this ASM function[详细]

2023-04-13 02:32 分类：问答

Simulating basic machine language in C.

So for my assignment I have to simulate basic machine language with C. The machine has 1开发者_高级运维6 registers (reg[]), a program counter(pc) and memory (mem[]) all of which are unsigned chars. Th[详细]

2023-04-05 19:41 分类：问答

what do I need to start writing in machine language? [closed]

It's difficult to tell what is being asked here. This question is ambiguous, v开发者_运维问答ague, incomplete, overly broad, or rhetorical andcannot be reasonably answered in its current form.[详细]

2023-03-31 11:42 分类：问答

How many lines of machine code are generated by one statement in programming language X?

Reading an article about Lost Programming Skills, the author brings up this chat: Me: How much horsepower do you need?[详细]

2023-03-28 18:05 分类：问答

What does "rep; nop;" mean in x86 assembly? Is it the same as the "pause" instruction?

What does rep; nop mean? Is it the same as pause instruction? Is it the same as rep nop (without the semi-colon)?[详细]

2023-03-28 08:40 分类：问答

How to Calculate Jump Target Address and Branch Target Address?

I am new to Assembly language. I开发者_JS百科 was reading about MIPS architecture and I am stuck with Jump Target Address and Branch Target Address and how to calculate each of them.(In the diagrams a[详细]

2023-03-26 05:14 分类：问答

What does func means in R-Format instruction set?

I am very new to Assembly language. I was reading about MIPS architecture and I am stuck with th开发者_如何学编程e last field of the Register Format (R-Format). Here is its visual representation,[详细]

2023-03-26 03:37 分类：问答

Direction/Sign Extend bit in the encoding of an x86 opcode

In the x86 instruction set the the bit at index 1 of an opcode can either be the direction bit which specifies what the destination and source operands are or it can be a sign extend bit.[详细]

2023-03-25 01:49 分类：问答

Are compiled programs actually in true binary?

For example, when I compile a C application is the outputted file read as binary or does the OS then interpret the compilation?Is the \"machine language\" pure binary?[详细]

2023-03-22 22:40 分类：问答