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New posts in assembly
When a syscall is called by a userspace program, how does execution transfer back to kernelspace?
Oct 23, 2025
c
assembly
linux-kernel
kernel
Speeding up a bit test operation by using assembly
Oct 23, 2025
c++
performance
assembly
x86-64
compiler-optimization
Random number generation in assembly NASM
Oct 22, 2025
assembly
random
x86
nasm
Why do we need ORG 0x7c00 at the beginning of a bootloader?
Oct 22, 2025
assembly
operating-system
nasm
bootloader
bios
In this X86 emulator, why is the overflow flag getting set when adding 0xFFFF to 0xFFFF?
Oct 22, 2025
assembly
x86
flags
eflags
x86-emulation
Set an XMM register to a repeating byte pattern (broadcast a constant byte)
Oct 21, 2025
assembly
sse
micro-optimization
sse2
Does the ARM calling convention allow a function to not store LR to the stack?
Oct 22, 2025
assembly
arm
standards
calling-convention
Floppy Read (AH=0x2, int 0x13) doesn't complete
Oct 22, 2025
assembly
x86
bios
bochs
floppy
Loading and running a raw binary file with 32-bit code in QEMU
Oct 22, 2025
assembly
x86
nasm
binaryfiles
qemu
NASM should I pop function argument after calling a function?
Oct 22, 2025
assembly
x86-64
nasm
callstack
calling-convention
Using the CGA/EGA/VGA planar graphics modes
Oct 22, 2025
assembly
graphics
x86
nasm
vga
Why doesn't the GCC assembly output generate a .GLOBAL for printf
Oct 22, 2025
gcc
assembly
gnu-assembler
riscv
Assembly what is ret?
Oct 21, 2025
assembly
riscv
x86 Why does C function disassembly show different value for pointer when pushed to call stack
Oct 21, 2025
c
assembly
x86
gdb
disassembly
NASM declaring variable in .text section
Oct 22, 2025
assembly
nasm
x86-64 do address calculating mov i.e mov i(r, r, i), r execute on on port 1? Or is it still p0156?
Oct 22, 2025
assembly
x86
intel
cpu-architecture
How does one opcode byte decode to different instructions depending on the "register/opcode" field? What is that? [duplicate]
Oct 21, 2025
assembly
x86-64
disassembly
machine-code
How can a CPU save its register state in a context switch?
Oct 22, 2025
assembly
operating-system
context-switch
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