/r/asm - where every byte counts

Code: https://katb.in/qasuhamafir execve("./fun", , 0x7ffc6c9d8840 /* 40 vars */) = 0 write(1, "INFO: Starting the Web Server..."..., 33INFO: Starting the Web Server... ) ...

https://www.reddit.com/r/asm/comments/1clgo5k/why_its_not_listening/

here's the code : https://katb.in/imubabezewo submitted by /u/Ujjawal-Gupta

https://www.reddit.com/r/asm/comments/1clc1sd/why_its_not_compiling/

It has been a while since I've posted about the Gentle Introduction to ARM 64 Bit Assembly Language". The free book is written for the person knowing C and C++ to bridge your existing knowledge b...

https://www.reddit.com/r/asm/comments/1ckub44/improvements_to_arm_64_bit_assembly_language_book/

I downloaded IDA recently and have begun attempting to reverse engineer some functions. This one in particular is simple enough. It is filling a buffer with cryptographically secure random number...

https://www.reddit.com/r/asm/comments/1ckjdan/lifetime_of_dlls_windows_api/

In trying to print a decimal variable with a subroutine.But when I print it it prints me 48z The var is contador1: .byte 0 Code: … ldx #p1 jsr imprime_cadena lda contador1 jsr imprimir_nu...

https://www.reddit.com/r/asm/comments/1ckewbm/print_decimal_in_as6809/

THE HCF INSTRUCTION The HCF (Halt and Catch Fire) instruction is a semi-mythical instruction which causes the CPU to cease meaningful operation, typically requiring a restart of the computer. ...

https://www.reddit.com/r/asm/comments/1ck4fwd/tell_me_a_fun_fact_or_obscure_oddity_about_your/

I’m doing a project and i have an error in the call of a function and I don’t understand why. If anyone can help me please send me a message 🙏 submitted by /u/Yaggohl

https://www.reddit.com/r/asm/comments/1cjxbi0/can_someone_help_me_with_a_programme_in_assembly/

can anyone point out what the error is? DEFINE _CRT_NONSTDC_NO_WARNINGS DEFINE _CRT_SECURE_NO_WARNINGS INCLUDE __declspec(naked) void func5(int temp) { // y=a/b+c*d-e __asm { p...

https://www.reddit.com/r/asm/comments/1cjehcu/this_is_homework_and_i_was_told_to_format_it_as_c/

Hello Reddit, I am trying to compile my test.asm file into test.obj using NASM. I run nasm -f win32 test.asm -o test.obj and get a test.obj file back. The test.asm file is as follows: section...

https://www.reddit.com/r/asm/comments/1cjd3s8/gcc_cannot_find_kernel32_or_user32_dlls/

Has any one come across any sample code bases for HLASM? submitted by /u/nyc_consultant_

https://www.reddit.com/r/asm/comments/1cjc677/hlasm_public_code_bases/

As I always liked programming in DOS (mostly VGA mode 13), I have started to learn it again and write the more demanding stuff in assembly. Its just a hobby and while some consider it crazy, it c...

https://www.reddit.com/r/asm/comments/1cil19o/msdos_casm_programming_mode_12_planar/

submitted by /u/mttd

https://www.reddit.com/r/asm/comments/1ci4sot/riscv_scalar_bit_manipulation_extensions/

submitted by /u/mttd

https://www.reddit.com/r/asm/comments/1chur4g/gem5avx_extension_of_the_gem5_simulator_to/

the current version of my division routine uses memory to store the operands because the 8088 of my SBC does not have enough registers (i wish i chose the 68k instead should've listened to the pe...

https://www.reddit.com/r/asm/comments/1ch5cbo/4832_8088_division_routine_without_using_memory/

Hello! I'm a frontend engineer and thought a website with playable games I make with 6502 Assembly would be really cool! I'm wondering if it's possible, and if so would tooling would I need to im...

https://www.reddit.com/r/asm/comments/1ceq8i1/is_shoehorning_a_6502_asm_atari_game_into_website/

submitted by /u/mttd

https://www.reddit.com/r/asm/comments/1ce5ils/clangs_o0_output_branch_displacement_and_size/

Hi, I am currently making a simple hello world programm in assembly (windows). I have this code: .L0: "Hello World!" main: endbr64 push rbp // stack safty mov rbp, rsp // stac...

https://www.reddit.com/r/asm/comments/1cdstp7/hello_world_with_libc/

submitted by /u/FlatAssembler

https://www.reddit.com/r/asm/comments/1cdhhbg/can_you_switch_the_most_significant_bit_and_the/

Hi, I am trying to follow various examples on YouTube and Raspberry PI ARM64 examples - but I am coding on Apple Silicon-based machines. I am writing my second Hello World learning project, but...

https://www.reddit.com/r/asm/comments/1cd39d1/apple_silicon_arm64_looping_through/

Hey guys, i have the goal to write a compiler in C++ in the context of a self-guided university project. Certainly, the target language has to be some kind of subset of Java as proposed by the t...

https://www.reddit.com/r/asm/comments/1cd0tlg/write_a_minicompiler_in_c_for_java/

Hello! I am currently enrolled in a course that is related to creating programs in assembly language using MASM on DOSBOX or its extensions on other platforms. Now, while I do understand the basi...

https://www.reddit.com/r/asm/comments/1ccqvir/resources_for_masm615/

Assignment context: (Assembly Arithmetics) If wv is a word and dwv is a double word. Translate the following from Pseudomathojava into assembly. The registers in Pseudomathojava are the same as i...

https://www.reddit.com/r/asm/comments/1ccf59a/need_advicehelp_on_assignment/

submitted by /u/r_retrohacking_mod2

https://www.reddit.com/r/asm/comments/1cbc1uw/porting_8bit_sonic_2_to_the_ti84_ce_source_code/

Hello all, looking for some review on my code. Do I have this correct?: global main extern GetStdHandle, WriteConsoleA, ExitProcess section .text STD_OUTPUT_HANDLE: EQU -11 main: su...

https://www.reddit.com/r/asm/comments/1ca45si/do_i_have_this_code_right_windows_x86/

I’ve been looking at some assembly listings in x86-64 (AT&T syntax) and come across stuff like this, as an example: “foo”: mov $60, %rdi …  The as assembler accepts it, but what�...

https://www.reddit.com/r/asm/comments/1c8zd8o/quoted_labels_in_x8664/