Did old DOS C compilers implement double as 32-bit?...

16bit/ASM: Simple function using int 21h?...

PC Speaker program works odd in MS-DOS...

Why are these DOS Variables Empty? (e.g. %DATE%, %ERRORLEVEL%)...

How were graphical DOS Games written?...

What does DX + 2 mean in mov ah,9 int 21h?...

Problems in real DOS with mixed "goto" and "call" commands in a batch menu...

How to create a variable in a subroutine in DOSBox?...

Is there a way to set keyboard repetition delay to zero in assembly?...

int 21h ah 02h doesn't work for some reason...

Set console to 50 line mode with a DOS or BIOS call?...

Copying symbols from the 0ah input to another variable...

Batch : For what is percentage followed by asterisk used?...

Extra bytes at the end of a DOS .COM file, compiled with GCC...

Why are this many bytes written to the standard output device?...

Why does CX work in '[ ]' in 16 Bit Assembly when it is not a base or index register?...

TurboC - malloc() in "compact" memory model...

8086 assembly program always prints the same string...

Simple FASM "Hello world!" crashes on DOS interrupt...

Looping statement that works in Windows 7 debug instructions won't work in DOSBox 0.74...

Pass by value and pass by reference in Assembly...

DOS DEBUG trace command doesn't work as I would expect...

Division produces wrong result...

x86 ASM - Read line by line...

Memory-Mapped Graphics Output...

TASM program outputs garbage and may hang upon exit...

Copy from VRAM using movsb?...

How do I properly hook Interrupt 28h in assembly for DOS, and restore it?...

What is i.h.ah, o.h.ah and int86?...

using ax instead of dx with interrupt 21...