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New posts in x86
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
Printing a string in assembly using no predefined function
Dec 12, 2025
string
loops
assembly
x86
bootloader
Warning: indirect call without `*'
Dec 12, 2025
assembly
x86
x86-64
gnu-assembler
att
Does AMD support x2APIC?
Dec 10, 2025
x86
cpu
osdev
amd-processor
apic
Segmentation fault when calling x86 Assembly function from C program
Dec 11, 2025
c
assembly
x86
att
Are SIMD and VLIW instructions the same thing?
Dec 11, 2025
x86
cpu-architecture
simd
instruction-set
vliw
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