Power-Programmierung/CD2.mdf/c/library/edos/v86api/tstwinex.asm

Assembly Source File | 1992-12-07 | 3.3 KB | 208 lines

code segment public

assume cs:code, ds:code
    org 100h

start:    jmp begin

vxd_api    dd    0

; this test program demonstrates the getting of the VxD V86 Entry point
; and the calling of a service in that entry point.
; On entry
; AX = the function to call.
;    where ax = 0 = get version number
;     where ax = 1 = put up message box.
;    where ax = 2 = get edos error code
;    where ax = 3 = execute windows application

begin:
;int 3


; ShowWindow() Commands
;SW_HIDE            = 0
;SW_SHOWNORMAL      = 1
;SW_NORMAL          = 1
;SW_SHOWMINIMIZED   = 2
;SW_SHOWMAXIMIZED   = 3
;SW_MAXIMIZE        = 3
;SW_SHOWNOACTIVATE  = 4
;SW_SHOW            = 5
;SW_MINIMIZE        = 6
;SW_SHOWMINNOACTIVE = 7
;SW_SHOWNA          = 8
;SW_RESTORE         = 9


;int 3
    mov dx, offset Show_msg
    mov ah,9
    int 21h

    mov ah,1       ;    get char, echo
    int 21h
    cmp al, 031h
    jl not_en
    cmp al, 38h
    jg not_en
    mov ah,0
    sub al,30h
    mov [shownum],ax
    jmp ok_char
not_en:
    mov [shownum], 1    ; SW_NORMAL
    jmp ok_char

ok_char:

    mov dx, offset Prog_msg
    mov ah,9
    int 21h

    mov dx, offset Prog_line
    mov ah,0ah
    int 21h

    mov bx, offset Prog_line
    inc bx
    mov cx,0
    mov cl, [bx]
    add bx,cx
    mov byte ptr [bx+1],0




    mov dx, offset Arg_msg
    mov ah,9
    int 21h

    mov dx, offset Arg_line
    mov ah,0ah
    int 21h
    mov bx, offset Arg_line
    inc bx
    mov cx,0
    mov cl, [bx]
    add bx,cx
    mov byte ptr [bx+2],0




    push es
    push ds
    mov ax,0
    mov es,ax
    mov di,ax

    mov ax, 1684h        ; get entry point for vxd device
    mov bx, 2925h        ; VxD ID of EDOS, can not be changed
    int 2fh
    mov ax,es
    or ax,di
    jz novxd
    mov word ptr [vxd_api], di
    mov word ptr [vxd_api+2],es

    mov  cx,0        ; cx should be zero
    mov  ax,cs
    mov [tseg],ax
    mov  ax,cs
    mov  ds,ax        ; ds = segment of message to use
    mov  es,ax
;int 3
    mov  bx, offset parm
    mov  dx,offset Prog_line+2    ; dx = offset of msg to use
    mov  ax,3        ; exec windows app function call
    mov  cx, [Shownum]
    call vxd_api
    cmp ax, -1
    jne badexec

    cmp bx, 32
    jg exitnow
    mov dx, offset badexec_msg
    mov ah,9
    int 21h
;int 3
exitnow:
    pop ds
    pop es

    mov ax,4c00h        ; program exit
    int 21h

    ret            ; never returns to here

badexec:
    mov ax,cs
    mov ds,ax
    mov dx, offset badexec_msg
    mov ah,9
    int 21h

    jmp exitnow

novxd:
    mov ax,cs
    mov ds,ax
    mov dx, offset dumbo_msg
    mov ah,9
    int 21h

    jmp exitnow



badexec_msg    db  13,10,'TSTWINEX: failed to load windows application',13,10,'$'

;    Test of V86 Exec Windows App from DOS
msg    db    'g:\win31\WRITE.EXE',0    ; full path to windows app
Show_msg db  13,10,'Enter a number from 0-7 for SW_NORMAL, etc ',13,10, '$'
Prog_msg db  13,10,'Enter the file to execute, with extension(CLOCK.EXE) ',13,10,'$'
Arg_msg  db  13,10,'Enter the arguments ',13,10, '$'

Prog_line db  128
      db  135 dup (32)
Arg_line  db  128
      db  135 dup (32)



tail      db TAIL_LEN
    db 'G:\WIN31\EDOS\EDOS.WRI'
TAIL_LEN equ $-tail
       db 13    ; carriage return
       db 0

       db 126 dup (0)

parm   label byte
    dw    0    ; segment of environment

    dw    offset Arg_line+1
tseg    dw    0
shownum    dw 0    ; offset of fcb; used for SW_NORMAL, etc
    dw 0    ; seg of fcb
    dd 0

dumbo_msg db 'Test Executing a Windows Application failed, Windows not running',13,10,'$'

ends

END start