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New posts in x86-16
Explain how the AF flag works in an x86 instructions?
May 17, 2019
intel
c
assembly
x86
x86-16
Insert a new line assembly 8086
Sep 14, 2022
assembly
x86-16
Access to PIT (?) IO ports 44h and 46h - what do those ports do?
Apr 28, 2022
intel
assembly
x86
dos
x86-16
ioports
Why does 20 address space with on a 16 bit machine give access to 1 Megabyte and not 2 Megabytes?
Apr 11, 2019
memory
cpu-architecture
x86-16
memory-address
processor
Adding signed numbers in assembly
Oct 16, 2022
assembly
x86
signed
addition
x86-16
Whats the fundamental difference between addressing of array[di] and [array + di] in assembly?
Aug 25, 2020
assembly
masm
x86-16
emu8086
Upper bits of EBX are zeroed out when single-stepping in CodeView
May 25, 2022
assembly
x86
masm
x86-16
code-view
What do the constraints "Rah" and "Ral" mean in extended inline assembly?
Jul 18, 2022
gcc
x86
x86-16
inline-assembly
ia16-gcc
Disassembling an old .COM file. Stuck within 48 bytes. Endian problem?
Feb 12, 2022
assembly
dos
x86-16
disassembly
effect of undefined opcodes on the (original) Intel 8086/88
Sep 24, 2017
x86-16
INT 10h/ah=13h doesn't print strings when part of second stage bootloader
Sep 05, 2022
assembly
x86
nasm
x86-16
bootloader
What is the correct calling convention to use within a bootloader?
Apr 17, 2022
assembly
operating-system
x86-16
bootloader
calling-convention
Whats wrong with my assembly code
Feb 02, 2021
c++
assembly
x86
dos
x86-16
Assembly instruction for setting, clearing OF & TF flags
Oct 17, 2022
x86
intel
flags
masm
x86-16
How does assembler compute segment and offset for symbol addresses?
Nov 19, 2022
assembly
compiler-construction
masm
x86-16
memory-segmentation
Cannot move 8 bit address to 16 bit register
Sep 09, 2021
assembly
x86
x86-16
emu8086
Where to place the stack and load the kernel
Aug 30, 2022
assembly
stack
x86-16
osdev
real-mode
Why does CX work in '[ ]' in 16 Bit Assembly when it is not a base or index register?
Sep 03, 2022
assembly
x86
dos
masm
x86-16
Calculating hexadecimal values for 7-segment LED on MDA-8086
Sep 07, 2022
c
x86-16
seven-segment-display
MUL function in assembly
Nov 04, 2022
intel
assembly
x86
x86-16
multiplication
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