machine-code

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Machine Code tutorial for Mac

I want to learn machine code. Not for a specific reason. Just for the heck of it. I was wondering if there were any good machine code tutorials. I have开发者_StackOverflow社区 a macbook with a 2.4 GHz[详细]

2022-12-28 08:13 分类：问答
How can ARM's MOV instruction work with a large number as the second operand?

I just begin to study ARM assembly language, and am not clear about how to use MOV to transfer an immediate number into a register.[详细]

2022-12-27 03:22 分类：问答
Why aren't EXE's in binary?

Why is it that if you open up an EXE in a hex editor, you will see al开发者_开发技巧l sorts of things. If computers only understand binary then shouldn\'t there only be 2 possible symbols seen in the[详细]

2022-12-23 18:53 分类：问答
Looking for some input on my C++ program. Simpletron, Machine language

Edit: So, seems I do have a problem somewhere in my coding. Whenever I run the program and input a variable, it always returns the same answer..\"The content at location 76 is 0.[详细]

2022-12-22 21:58 分类：问答
Combining prefixes in SSE

In SSE the prefixes 066h (operand size override) 0F2H (REPNE) and 0F3h (REPE) are part of the opcode.[详细]

2022-12-22 19:19 分类：问答
Loading MachineCode From File Into Memory and Executing in C -- mprotect Failing

Hi I\'m trying to load raw machine code into memory and run it from within a C program, right now when the program executes it breaks when trying to run mprotect on the memory to make it executable. I[详细]

2022-12-22 16:21 分类：问答
I asked this yesterday, after the input given I'm still having trouble implementing

I\'m not sure how to fix this or what I did wrong, but whenever I enter in a value it just closes out the run prompt.[详细]

2022-12-22 07:05 分类：问答
Questions Regarding the Implementation of a Simple CPU Emulator

Background Information: Ultimately, I would like to write an emulator of a real machine such as the original Nintendo or Gameboy. However, I decided that I need to start somewhere much, much simpler.[详细]

2022-12-22 03:06 分类：问答
How might I convert Intel 80386 Machine Code to Assembly Language?

I\'ve been given the following task: Consider the following sequence of hexadecimal values: 55 89 E5 83 EC 08 83 E4 F0 31 C9 BA 01 00 00 00 B8 0D 00 00 00 01 D1 01 CA 48 79 F9 31 C0 C9 C3[详细]

2022-12-19 05:21 分类：问答
Can anyone solve this 8080 assembly code 'puzzle'?

A friend of mine was given 8080 assembly code as part of a puzzle he\'s trying to solve. This is the code:[详细]

2022-12-18 00:05 分类：问答