MASM- Visual Studio 2015 Assembly- XCHG

Описание: .386
.model flat,stdcall
.stack 4096
ExitProcess PROTO,dwExitCode:DWORD
.data
var1 WORD 100h
var2 WORD 500h

.code
main PROC
xor eax,eax
mov ax,var1 ; ax = 100
xchg ax,var2 ; ax = var2
mov var1,ax ; var1 = 500

INVOKE ExitProcess,0
main ENDP
END main