;; refs: https://board.flatassembler.net/topic.php?p=217706
;;       https://board.flatassembler.net/topic.php?t=938
;; Unicode in FASM
;; FASM 1.73.32
;; win10 64 bit, CHT version
;; uses other editor, save this source code as UTF-8, FASM IDE is be able to process CHT input
;; open FSAM IDE, load/compile this code, it is displaying UTF-8 CHT char properly, data type must be DU
;; by xiaolaba

format PE GUI
entry start

include '\fasm\include\win32w.inc'
include '\fasm\include\encoding\utf8.inc'

section '.data' data readable writeable
IS64 du '64位元 Windows',0
IS32 du '32位元 Windows',0

argv    dd ?
argc    dd ?

dummyW dw 'AB'  ;2 bytes, 0x41 0x42, compile ok
;dummyW dw 'ABCD'       ;2 words, error, could not compile, value out of range
dummyU du 'AB'  ;4 bytes, 41 00 42 00 ;compile ok

;;;; https://www.compart.com/en/unicode/U+4E2D
;;;; '中'      
;;;; UTF-8 encoding 0xE4 0xB8 0xAD
;;;; UTF-16 4E2D
;dummyWZ dw '中'       ;compile error, value out of range
dummyWZ du '中'                ;2D 4E, compile ok
dummyUZ du '中文'     ;2D 4E 87 65, compile ok

; Define the wide (2-byte) strings for MessageBox
;messageBoxTitle dw 'U','T','F','-','8',' ',' ','中','文','測', '試',0  ; dw, Wide string for MessageBox title, did not work
;debugMessage    dw 'F','A','S','M',' ','S','t','a','r','t','e','d','中','文','測','試',0  ; Wide string for debug message

; Define the U (4-byte) strings for MessageBox
;messageBoxTitle du 'U','T','F','-','8',' ',' ','中','文','測', '試',0  ; du, Wide string for MessageBox title, working
;debugMessage   du 'F','A','S','M',' ','S','t','a','r','t','e','d','-','中','文','測','試',0  ; Wide string for debug message
messageBoxTitle du 'UTF8-中文測試',0  ; du, Wide string for MessageBox title, working
debugMessage    du 'FASM Started-中文測試',0  ; Wide string for debug message

晚安 du '晚安',0

section '.code' code readable executable

start:


  ; Display debug message to verify execution
  invoke MessageBoxW, NULL, debugMessage, messageBoxTitle, MB_OK

  invoke MessageBoxW, NULL, IS64, messageBoxTitle, MB_OK

  invoke GetCommandLineW
  invoke CommandLineToArgvW, eax, argc
  mov    [argv], eax

  ; Check if we have at least one argument
  cmp    dword [argc], 1
  jbe    exit

  ; Init loop
  mov    ecx, 1
  mov    eax, [argv]

@@:
  ; Get argument pointer
  mov    edx, [eax + 4 * ecx]
  invoke MessageBoxW, NULL, edx, messageBoxTitle, MB_OK

  ; Repeat until ecx = argc
  inc    ecx
  cmp    ecx, dword [argc]
  jb     @B

exit:
  invoke MessageBoxW, NULL, 晚安, messageBoxTitle, MB_OK
  invoke ExitProcess, 0





section '.idata' import data readable writeable

  library kernel32, 'kernel32.dll', \
          user32, 'user32.dll', \
          shell32, 'shell32.dll'

  import kernel32, \
         GetCommandLineW, 'GetCommandLineW', \
         ExitProcess, 'ExitProcess'

  import user32, \
         MessageBoxW, 'MessageBoxW'

  import shell32, \
         CommandLineToArgvW, 'CommandLineToArgvW'


    

I changed the title to FASMW because FASM is the CLI tool,

@echo off
 
REM Readme first
REM 2017-MAR-25, xioalaba
REM Uses FASMW or FASM, goto C:\fasmw17160\TOOLS\WIN32
REM to build 3-EXE one time first, listing.exe, prepsrc.exe, symbols.exe
 

SET FASM=E:\FASM


SET TOOLS=%FASM%\TOOLS\WIN32
SET INCLUDE=%FASM%\INCLUDE
 
set path=%FASM%;%INCLUDE%;%TOOLS%;%path%
path

 
if exist %TOOLS%\listing.exe goto skip
@echo ---- Uses FASMW or FASM, goto %TOOLS%
@echo ---- To build 3 EXE first at one time deal, listing.exe, prepsrc.exe, symbols.exe
cd %TOOLS%
fasm.exe listing.asm listing.exe
fasm.exe prepsrc.asm prepsrc.exe
fasm.exe symbols.asm symbols.exe
:skip


REM change to current dir
cd /D "%~dp0"
@echo.
@echo working folder = %1

 
@echo FASM build.bat, by xiaolaba, MAR/26/2017
@echo.
@echo ---- Drag .asm file to this build.bat, produce .exe and .fas
fasm.exe %1 %1.exe -s %1.fas

::goto end
 
@echo.
@echo ---- Uses .fas, produce .lst
listing -a %1.fas %1.lst
 
@echo.
@echo ---- Uses .fas, produce .src
prepsrc %1.fas %1.src
 
@echo.
@echo ---- Uses .fas, produce .fas
symbols %1.fas %1.sym

:end

del *.fas
 
@echo DONE !!
pause