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New posts in assembly
Missing optimization: mov al, [mem] to bitfield-insert a new low byte into an integer
Jun 27, 2026
c
assembly
x86-64
micro-optimization
How do you set bytes directly with DASM?
Jun 28, 2026
assembly
6502
How to print EIP address in C? [duplicate]
Jun 28, 2026
c
linux
assembly
memory
x86
Why does `lea esi, dword [edx + ecx * 4]` produce an error when assembled using NASM?
Jun 28, 2026
assembly
x86
nasm
Why is there "syscall" instruction in the x86-64 ISA, if syscalls are OS related?
Jun 27, 2026
assembly
operating-system
system-calls
machine-code
instruction-set
Intel 8086 Assembly -- Squaring a Register
Jun 28, 2026
assembly
micro-optimization
x86-16
Test if any byte in an xmm register is 0
Jun 27, 2026
string
assembly
x86
simd
sse2
How do you call C functions from Assembly and how do you link it Statically?
Jun 27, 2026
c
linux
assembly
gcc
x86-64
Set and reset keyboard Interrupt Service Routines in x86 real mode within DOS with Assembly
Jun 26, 2026
assembly
keyboard
interrupt-handling
tasm
x86-16
Indexing array elements in Assembly
Jun 26, 2026
arrays
assembly
nasm
How to load an immediate number to a register in RV32I Base Instruction Set?
Jun 27, 2026
assembly
riscv
immediate-operand
RISCV - How are jump instructions PC-relative?
Jun 26, 2026
assembly
cpu-architecture
riscv
instruction-set
position-independent-code
Understanding a DT_TEXTREL warning
Jun 25, 2026
assembly
x86-64
nasm
ld
position-independent-code
Why modern calling conventions pass variadic arguments in registers?
Jun 26, 2026
c
assembly
x86-64
arm64
calling-convention
Why do GCC and Clang stop using RIP-relative loads for arrays bigger than 16MB?
Jun 26, 2026
assembly
gcc
clang
x86-64
addressing-mode
Division produces wrong result
Jun 25, 2026
assembly
dos
x86-16
division
tasm
Why can't the VS 2015 compiler optimise a branch in an abs() implementation on float numbers?
Jun 25, 2026
c++
assembly
optimization
gcc optimisation with LEA [duplicate]
Jun 26, 2026
gcc
assembly
optimization
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