I am currently writing an os in c++ and assembler following the wyoos (Write your own os). I am trying to rewrite the vga driver and I need help. My native resolution in 1920×1080 but the os is 320×200. Also the old driver doesn’t support double buffering and is causing screen tearing and awful bugs. ..
Category : assembly
I have this code that is supposed to insert the address of my function into memory by using LEA and then Calling it but when I do this it insert the correct function address using LEA but something completely different. How would I change the code down below to lea rax to the correct function? ..
Today I have found sample code which slowed down by 50%, after adding some unrelated code. After debugging I have figured out the problem was in the loop alignment. Depending of the loop code placement there is different execution time e.g.: Address Time[us] 00007FF780A01270 980us 00007FF7750B1280 1500us 00007FF7750B1290 986us 00007FF7750B12A0 1500us I didn’t expect previously ..
My task is to make assembly realization and c++ realization and compare their results: "Find the sum of cubes of all positive elements of the array A={a[i]}, satisfying the condition: a[i] >= b." When number of elements is greater than 0, the problem occurs: EXC_BAD_ACCESS in __asm part. LLDB stops in this place: -> 0x7fff20355621 ..
i’m Created a Os with C++ but not have any gui for this(I see a console), How Can i Add a Graphic UI ?and How to Use and How to work? Source: Windows Que..
The page https://software.intel.com/content/www/us/en/develop/blogs/haswell-new-instruction-descriptions-now-available.html mentions BLSR instruction that can efficiently clear the least significant bit set. Is there an efficient equivalent of such instruction for clearing the most significant bit? For example 001001010101000 should be turned to 000001010101000. Is it possible (and how) to implement it in C++ more efficiently than just with a bit shifts? ..
I’m currently trying to make a basic compiler on Windows using C++. And I was thinking about how to turn assembly into machine code or an exe file. If this were to be downloaded by another computer I think it wouldn’t work without having to attach an assembler and linker with it, like nasm and ..
basically the title, task is that we need to turn a string number into an int number through assembly, I think I found a code that might be working, but there is one error I can’t seem to be able to solve, it’s an error "operand size conflict" in a line that’s: add eax, temp_char ..
I am using ml64 (MASM for 64) to compile a .S file on Windows 10 with bazel 4.0. I keep getting an invalid character in file error. This project originally compiled just fine with CMAKE but when I converted it to bazel it started failing like this. I am not sure what other detail would ..
Помогите найти книгу Пирогов Ассемблер на примерах / Пирогов, Владислав. – М.: СПб: БХВ, вот ссылка как выглядет и детали книги: https://www.books.ru/books/assembler-na-primerakh-336840/ Source: Windows..
Web Development Company
Cazare Cristian Brasov
Recent Comments