411 REFERENCE · Wikibooks
C++ Programming/Programming Languages/C++/Code/Keywords/asm
Reference material by Wikibooks contributors. This retains its source identity and is not 411 news reporting.
The asm keyword is used to declare an inline assembly code.
When using the windows compiler, the __asm keyword is used instead. Here the asm keyword does not do anything.
asm {
mov al, 4
mov dx, 0xD007
out dx, al
}