.386
.model flat,stdcall
option casemap:none

WinMain proto :DWORD,:DWORD,:DWORD,:DWORD

include \masm32\include\windows.inc
include \masm32\include\user32.inc
include \masm32\include\kernel32.inc
include \masm32\include\gdi32.inc
include \masm32\include\winmm.inc

includelib \masm32\lib\user32.lib
includelib \masm32\lib\kernel32.lib
includelib \masm32\lib\gdi32.lib
includelib \masm32\lib\winmm.lib



.data
ClassName db "SimpleWinClass",0
AppName  db "SimpleVirtualPiano",0
szText   db 'This is a Simple VirtualPiano----------->made bu liuwei  2003.11.19',0h

.data?
hInstance HINSTANCE ?
hdc HDC ?
midiFlag BYTE ?
midiPu DWORD ?
midiYu DWORD ?
midiPlayFlag BYTE ?


.code
start:
    invoke GetModuleHandle, NULL
    mov    hInstance,eax
    invoke WinMain, hInstance,NULL,NULL,SW_SHOWDEFAULT
    invoke ExitProcess,eax      

WinMain proc hInst:HINSTANCE,hPrevInst:HINSTANCE,CmdLine:LPSTR,CmdShow:DWORD
    LOCAL wc:WNDCLASSEX
    LOCAL msg:MSG
    LOCAL hwnd:HWND
    mov   wc.cbSize,SIZEOF WNDCLASSEX
    mov   wc.style, CS_HREDRAW or CS_VREDRAW
    mov   wc.lpfnWndProc, OFFSET WndProc
    mov   wc.cbClsExtra,NULL
    mov   wc.cbWndExtra,NULL
    push  hInst
    pop   wc.hInstance
    mov   wc.hbrBackground,COLOR_WINDOW+1
    mov   wc.lpszMenuName,NULL
    mov   wc.lpszClassName,OFFSET ClassName
    invoke LoadIcon,NULL,IDI_APPLICATION
    mov   wc.hIcon,eax
    mov   wc.hIconSm,eax
    invoke LoadCursor,NULL,IDC_ARROW
    mov   wc.hCursor,eax
    invoke RegisterClassEx, addr wc
    INVOKE CreateWindowEx,NULL,ADDR ClassName,ADDR AppName,\
           WS_OVERLAPPEDWINDOW,CW_USEDEFAULT,\
           CW_USEDEFAULT,CW_USEDEFAULT,CW_USEDEFAULT,NULL,NULL,\
           hInst,NULL
    mov   hwnd,eax
    INVOKE ShowWindow, hwnd,SW_SHOWNORMAL
    INVOKE UpdateWindow, hwnd
      invoke midiOutOpen,ADDR hdc,-1,NULL,NULL,NULL
      mov   midiYu,0h
      mov   midiPlayFlag,1h
    .WHILE TRUE
                INVOKE GetMessage, ADDR msg,NULL,0,0
                .BREAK .IF (!eax)
                INVOKE TranslateMessage, ADDR msg
                INVOKE DispatchMessage, ADDR msg
    .ENDW
    mov     eax,msg.wParam
    ret
WinMain endp
WndProc proc hWnd:HWND, uMsg:UINT, wParam:WPARAM, lParam:LPARAM
        local    @stPs:PAINTSTRUCT
        local    @stRect:RECT
        local    @hDc  
            local   @playf:WORD

    .IF uMsg==WM_DESTROY
                  invoke midiOutClose,hdc
            invoke PostQuitMessage,NULL

      .ELSEIF uMsg ==WM_PAINT
            invoke  BeginPaint,hWnd,addr @stPs
            mov       @hDc,eax
            invoke  GetClientRect,hWnd,addr @stRect
            invoke  DrawText,@hDc,addr szText,-1,\
                addr @stRect,\
                DT_SINGLELINE or DT_CENTER or DT_VCENTER
            invoke  EndPaint,hWnd,addr @stPs
      .ELSEIF uMsg==WM_CHAR
      mov @playf,0h
      push wParam
      pop midiPu
;===============ESC¼üµؤ¹¦ؤـ================
          .if midiPu==WM_DEVMODECHANGE                   ;1bh
           invoke midiOutClose,hdc
        invoke  PostQuitMessage,NULL
          .ENDIF
;----------------------------------------


        .if midiPu==61h
        mov midiYu,-24
        .elseif midiPu==62h
        mov midiYu,-12
        .elseif midiPu==63h
        mov midiYu,0
        .elseif midiPu==64h
        mov midiYu,12
        .elseif midiPu==65h
        mov midiYu,24

        ;===============ب«زô============================
        .elseif midiPu==31h
        mov midiPu,3ch
        mov @playf,1
        .elseif midiPu==32h
        mov midiPu,3eh
        mov @playf,1
        .elseif midiPu==33h
        mov midiPu,40h
        mov @playf,1
        .elseif midiPu==34h
        mov midiPu,41h
        mov @playf,1
        .elseif midiPu==35h
        mov midiPu,43h
        mov @playf,1
        .elseif midiPu==36h
        mov midiPu,45h
        mov @playf,1
        .elseif midiPu==37h
        mov midiPu,47h
        mov @playf,1
        ;================°ëزô===========================
         .elseif  midiPu==71h
         mov midiPu,3dh
         mov @playf,1
         .elseif  midiPu==77h
         mov midiPu,3fh
         mov @playf,1
         .elseif  midiPu==72h
         mov midiPu,42h
         mov @playf,1
         .elseif  midiPu==74h
         mov midiPu,44h
         mov @playf,1
         .elseif  midiPu==79h
         mov midiPu,46h
         mov @playf,1
         .endif
        ;-------------------------------------------
          .if @playf==1
            mov eax,midiYu
            add midiPu,eax
            mov cl,8
            shl midiPu,cl
            and midiPu,0ff00h
            add midiPu,680090h
           .if midiPlayFlag==1h
            ;================µ÷سأةù؟¨µؤ´ْآë======================      

            invoke midiOutShortMsg,hdc,midiPu
            mov  midiPlayFlag,0h
            ;-------------------ةù؟¨´ْآë½لتّ------------------------
            .endif
            .endif
    .ELSEIF uMsg==WM_KEYUP
            mov midiPlayFlag,1h
    .ELSE
        invoke DefWindowProc,hWnd,uMsg,wParam,lParam
        ret
    .ENDIF
    xor    eax,eax
    ret
WndProc endp
end start


;please help me i used emu8086 to test it

What does "I can't run my program" mean? What errors are you getting? Why are you using an emulator? Do you not have an INTEL PC?

Sorry, this is not a answer, and I'm a newbie: What kind of assembly is this, that has IF and ELSEIF?

This article has been dead for over six months. Start a new discussion instead.