x86 and x64 meaning
Difference between x64 and x86. It usually refers to x86 for 32 bit OS and x64 for system with 64 bit. Technically x86 simply refers to a family of processors and the instruction set they all use. ... The 64 bit computers can run both 32bit programs and 64 bit programsx64 or x86
Difference between x64 and x86.
It usually refers to x86 for 32 bit OS and x64 for system with 64 bit.
Technically x86 simply refers to a family of processors and the instruction set
they all use.
The 64 bit computers can run both 32bit programs and 64 bit programs
Stole "Distured Dingos" answer but made it easier to read.x64 assembly windows
includelib kernel32.lib ; Windows kernel interface
GetStdHandle proto ; Function to retrieve I/O handle
WriteConsoleA proto ; Function writes to command window
Console equ -11 ; Device code for console text output
ExitProcess proto
.code
main proc
sub RSP, 40 ; Reserve "shadow space" on stack
; Obtain "handle" for console display monitor I/O Streams
mov RCX, Console ; Console standard output handle
call GetStdHandle ; Returns handle in register RAX
mov stdout, RAX ; Save handle for text display
; Display the "Hello, World!" Message
mov RCX, stdout ; Handle to standard output device
lea RDX, msg ; Pointer to message (byte array)
mov R8, lengthof msg ; Number of characters to display
lea R9, nbwr ; Number of btes actually written
call WriteConsoleA ; Write text to command window
add RSP, 40 ; Replace "shadow space" on stack
mov RCX, 0 ; Set exit status code to zero
call ExitProcess ; Return control to Windows
main endp
.data
msg byte "Hello, World!"
stdout qword ? ; Handle to standard output device
nbwr qword ? ; Number of bytes actually written
endCopyright © 2021 Codeinu
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