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New posts in x86
Zeroing %EAX Register on the 8086
Jan 21, 2026
assembly
x86
x86-16
zero-initialization
Why is gcc -O3 auto-vectorizing factorial? That many extra instructions looks worse
Jan 21, 2026
gcc
x86
x86-64
compiler-optimization
auto-vectorization
What is the address of local labels in NASM?
Jan 21, 2026
assembly
x86
nasm
memory-address
Why are serializing instructions inherently pipeline-unfriendly?
Jan 20, 2026
c++
assembly
optimization
serialization
x86
Get linear address of FS:[0] in 32-bit protected mode / MSVC inline asm
Jan 19, 2026
assembly
visual-c++
x86
inline-assembly
what does the : operator do in assembly?
Jan 19, 2026
assembly
x86
operators
nasm
Assembly x86 | return(ret) is not working
Jan 03, 2026
assembly
x86
emu8086
Access the flags without inline assembly?
Jan 03, 2026
c
x86
inline-assembly
carryflag
How does 32bit applications run on 64bit Mac?
Jan 03, 2026
macos
architecture
x86
64-bit
Protected Mode Addressing
Jan 03, 2026
assembly
x86
nasm
bootloader
osdev
How to make simple bootloader for q35 machine
Jan 03, 2026
assembly
x86
qemu
bootloader
gnu-assembler
Effectively calculate horizontal pair avgs in a stream of int16's
Jan 02, 2026
c++
performance
assembly
x86
pcm
Assembly Language: + vs add
Jan 02, 2026
assembly
x86
Cost of a 64bits jump, always 10-22 cycles the first time?
Jan 02, 2026
x86
x86-64
cpu-architecture
micro-optimization
branch-prediction
assembly x86 qemu: fatal: Trying to execute code outside RAM or ROM
Jan 02, 2026
assembly
operating-system
x86
nasm
qemu
How does Windows switch to supervisor mode during a system call?
Jan 02, 2026
windows
winapi
x86
system-calls
supervisor-mode
MS-DOS - Is it possible to program 24 bit graphics?
Jan 01, 2026
assembly
x86
dos
vga
vesa
Storing data below the stack pointer?
Jan 01, 2026
x86
stack
ASM - Pushing/Popping
Jan 01, 2026
assembly
x86
Move char left or right in Assembly
Jan 01, 2026
assembly
x86
masm
irvine32
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