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New posts in x86
Error reading disk when disk is not a hard drive. Int 0x13 ah 0x02
Sep 09, 2025
assembly
x86
x86-16
bootloader
osdev
Who enables the A20 line when booting in pure UEFI?
Sep 07, 2025
x86
x86-64
bootloader
uefi
grub
How to optimize this Delphi function with SSE2?
Sep 07, 2025
delphi
assembly
x86
sse2
basm
How to see the memory occupied by initialised array vs uninitialised array
Sep 08, 2025
arrays
assembly
x86
masm
irvine32
Device drivers and Interrupt service routines
Sep 08, 2025
assembly
x86
device
drivers
NASM x86 print integer using extern printf
Sep 08, 2025
c
x86
nasm
Difference between JS and JL x86 instructions
Sep 08, 2025
assembly
x86
What's up with gcc's handling of alloca?
Sep 08, 2025
c
gcc
x86
alloca
Dumping the values of the registers in GCC
Sep 08, 2025
gcc
assembly
x86
MMX Instructions and the x87 FPU Tag Word
Sep 08, 2025
assembly
x86
fpu
x87
mmx
Intel JCC Erratum - should JCC really be treated separately?
Sep 06, 2025
assembly
x86
intel
cpu-architecture
micro-architecture
Fastest way to take the average of two signed integers in x86 assembly?
Sep 07, 2025
assembly
optimization
x86
average
micro-optimization
Macros in x86 assembly coding
Sep 08, 2025
assembly
macros
x86
`movaps` vs. `movups` in GCC: how does it decide?
Sep 07, 2025
c++
gcc
optimization
x86
memory-alignment
Role of linker scripts when writing x86 assembly
Sep 06, 2025
assembly
x86
linker
bootloader
linker-scripts
Cost of instruction jumps in assembly
Sep 08, 2025
performance
assembly
x86
No intrinsics for x86 BMI instructions BLSI & BLSR in Clang?
Sep 08, 2025
assembly
x86
clang
bit-manipulation
bmi
Is the fall-through side of a conditional branch more efficient? Is it a good idea to make that the error-handling side?
Sep 07, 2025
assembly
optimization
x86
micro-optimization
PHP x86 Memory Limit
Sep 06, 2025
php
memory
x86
64-bit
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