Questions tagged as 'assembly'

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Memory Array

I'm doing an implementation of a game in assembly in < a href="https://www.labcenter.com/"> Proteus . I draw two random numbers from 1 to 99 and need to generate an image on the LCD for the numbers I generated. Example: If I generate nu...
asked by 24.06.2017 / 22:29
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Security - Syscall inside shellcode does not execute

I'm studying information security and experimenting with trying to exploit a classic case of buffer overflow. I've succeeded in creating the shellcode , in its injection into the code and in its execution, the problem is that a syscall for...
asked by 24.07.2015 / 22:58
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Stack operation and memory align in MASM X64

I have an application that takes a TAC (IL) code and generates an ASM code using x64 MASM. The problem is that I'm not having any compile errors, and yes (at least that's what I think) when building the stack . The program below is an MMC, so i...
asked by 25.05.2015 / 13:01
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Problems decoding x86 assembly from binary

I have written a program whose purpose is to read a compiled binary executable file for the x86 (intel) architecture and interpret the assembly code contained therein by executing it instruction by instruction. The part of reading the executable...
asked by 15.12.2013 / 17:40
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Instruction to add value in AX

What command / syntax to use to put value 55d in the AX register?     
asked by 23.04.2015 / 05:21
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What is assembler?

I always read things related to the assembler and I get confused. At first, I thought this was a mess and that assembler was the same thing as assembly. But it does not look like this. What is assembler? And what's your relationship with asse...
asked by 20.01.2017 / 17:10
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Would it be necessary to have another programming language to create the assembler?

Would it be necessary to have another programming language to create the assembler? If so, which one? If not, what could you do to get started? I know that according to the years, just after the punched cards, came the assembly language. But,...
asked by 22.05.2017 / 06:38
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Are there other low level languages other than Assembly?

Are there other low-level languages other than Assembly? LISP is not (I think) nor Fortran .. Low-level language would be tongue closest to the binary, as well as the Assembly, language that works directly with the hardware records. High leve...
asked by 02.04.2015 / 06:58
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Switching from 16 to 64 bits during the boot of an Intel compatible PC

Some time ago I studied to create a draft operating system for Intel compatible PC computers, which really did not have to do much, besides putting the computer in 32-bit mode, handling the keyboard interrupts, and (at the time) of the serial po...
asked by 28.04.2014 / 22:45
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Mapping video card memory for access via Intel compatible x86 processor

Thinking about Intel x86 compatible computers, regardless of the facilities provided by modern operating systems, anyone who wants to draw / write something on the computer screen can access some known addresses, such as B800: 0000 (B8000h linear...
asked by 28.04.2014 / 23:18