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New posts in x86
Custom Bootloader Fails to Load C Kernel (kernel.c), But Works with Assembly (kernel.asm)
Dec 19, 2025
assembly
x86
kernel
bootloader
osdev
Instruction reordering on intel
Dec 19, 2025
c
assembly
x86
memory-barriers
How to compile multiple files together with ml in assembly x86?
Dec 19, 2025
assembly
x86
global-variables
NASM: Two subsequent file writes not working
Dec 17, 2025
linux
assembly
x86
nasm
system-calls
C inline assembly of x86 fbstp instruction
Dec 17, 2025
gcc
assembly
x86
inline-assembly
mov instructions with byte destination for immediate to memory
Dec 16, 2025
assembly
x86
opcode
mov
addressing-mode
emu8086 giving wrong remainder for div r16 with non-zero DX upper-half dividend [duplicate]
Dec 16, 2025
assembly
x86
x86-16
emu8086
integer-division
write a processed bitmap image to a file
Dec 15, 2025
assembly
bitmap
x86
masm
masm32
INT 13, AH=42h fails with AH=1, CF=1
Dec 15, 2025
assembly
x86
qemu
bootloader
osdev
How can I call this x86 ASM CALL in C++ with typedef or inline
Dec 15, 2025
c++
assembly
x86
inline
typedef
what does "iterations" mean in "perf report -b --branch-history" (of perf record -b -g)
Dec 13, 2025
assembly
x86
perf
branch-prediction
Can an x86 CPU read the value of any register while in user mode?
Dec 14, 2025
assembly
x86
cpu-registers
elevated-privileges
instruction-set
Analyzing the assembly code generated to manipulate command line arguments
Dec 14, 2025
c
assembly
x86
_cdecl calling convention
Dec 13, 2025
assembly
x86
stack-frame
cdecl
How do you add two Quad words in assembly using NASM?
Dec 13, 2025
assembly
x86
nasm
x86: latency and throughput of transcendental functions
Dec 14, 2025
x86
latency
throughput
fpu
x87
Trying to reverse engineer a function
Dec 12, 2025
c
assembly
x86
reverse-engineering
att
MUL/DIV instructions vs. MOV & SHL/SHR (Pentium Pro)
Dec 13, 2025
assembly
x86
opcodes
assembly lea: invalid effective address
Dec 12, 2025
assembly
x86
nasm
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