; hello3.asm - Windows program to print "Hello, world" without Irvine files
; To asemble/run using MASM 6.15
;
;   ml /Cx /c /coff hello3.asm
;   link32 hello3.obj \masm615\lib\kernel32.lib /subsystem:console
;   hello3

.386
.model flat

; Windows system calls
extern syscall _GetStdHandle@4: proc
extern syscall _WriteConsoleA@20: proc
extern syscall _ExitProcess@4: proc

.stack 4096

.data
greeting byte "Hello, world", 13, 10, 0
greeting_size = $ - offset greeting
stdout dword ?
result dword ?

.code
public _main
_main proc

  ; Get stdout handle
  push -11               ; STD_OUTPUT_HANDLE
  call _GetStdHandle@4
  mov stdout, eax

  ; Write greeting
  push 0                 ; reserved
  push offset result     ; number of bytes written
  push greeting_size     ; number of bytes to write
  push offset greeting   ; point to string to write
  push stdout            ; handle to write to
  call _WriteConsoleA@20 ; write ASCII bytes to console

  ; Exit to Windows
  push 0                 ; exit status
  call _ExitProcess@4

_main endp
end _main