(* Release 3.10 *)
(*-------------------------------------------------------------------------*
*                                                                          *
*  INITMWIN.A - Modula-2 Windows startup                                   *
*                                                                          *
*  COPYRIGHT (C) 1989..1992 Clarion Software Corporation.                  *
*  All Rights Reserved                                                     *
*                                                                          *
*--------------------------------------------------------------------------*)

include "corelib.inc"

module initmwin

section
segment ENTERCODE(CODE,28H)
public __ecode_dummy :
segment INITCODE(CODE,28H)
public __icode_dummy :
segment _TEXT(CODE,28H)
segment _INIT(INIT_CODE,28H)
public __initcode_dummy  :

segment _FAR_DATA(FAR_DATA,28H)
public __fd_dummy :
segment STACK(STACK,74H)
public __s_dummy  :
segment BEGDATA(DATA,28H)
segment _DATA(DATA,28H)
public __ud_dummy :
segment BSS_START(BSS,28H)
segment _BSS(BSS,28H)
segment BSS_END(BSS,28H)

section

segment _TEXT(CODE,28H)
segment _DATA(DATA,28H)

select _DATA

public __ireg: org 10

select _TEXT

extrn INITAPP
extrn WAITEVENT
extrn WINMAIN
extrn _exit

public ENTRYPOINT:
  xor  ax, ax
  push ax
  call far WAITEVENT
  push [__ireg][hInstance]
  call far INITAPP
  or   ax, ax
  jz   BadApp
  push [__ireg][hInstance]
  push [__ireg][hPrevInst]
  push [__ireg][PSPSeg]
  push [__ireg][cmdLine]
  push [__ireg][cmdShow]

  call far WINMAIN




public exitApp:
  push ax
(*%F NearCall *)
  call far _exit
(*%E *)
(*%T NearCall *)
  call _exit
(*%E *)

BadApp:
  mov  ax, 0FFH
  jmp  exitApp

section

segment ENTERCODE(CODE,28H)
segment CODE(none,28H);
segment INITCODE(CODE,28H)
segment _TEXT(CODE,28H)
segment _FAR_DATA(FAR_DATA,28H)
segment EMU_STATE(DATA,28H)
 EMU_STATE__: org 0;
segment STACK(STACK,74H)
 STACK__:     org 0;
segment BEGDATA(DATA,28H)
 BEGDATA__:   org 0;
segment _INIT(INIT_CODE,28H)
 _INIT__:     org 0;
segment CONST(CONST,28H)
 CONST__:     org 0;
segment _CONST(DATA,28H)
 _CONST__:    org 0;
segment _DATA(DATA,28H)
 _DATA__:     org 0;
segment BSS_START(BSS,28H)
 BSS_START__: org 0;
segment _BSS(BSS,28H)
 _BSS__:      org 0;
segment BSS_END(BSS,28H)
 BSS_END__:   org 0;

group DGROUP(BEGDATA,EMU_STATE,CONST,_CONST,_DATA,BSS_START,_BSS,BSS_END,STACK)

select BEGDATA
beg_data_dummy : dw 0, 0, 0, 0, 0, 0, 0, 0, 0

select _DATA
InitRec: dw 0, 0, 0, _INIT

select BSS_START
public __bss_start:

select BSS_END
public __bss_end:

select _TEXT

extrn _main
extrn __startup
extrn _x_main
extrn _x_initx
extrn _x_bss_end
extrn _x_bss_start
extrn __ireg
extrn INITTASK
extrn __InitLink
extrn exitApp
extrn __initm

select ENTERCODE
public __wstart:
  sub  bp, bp
  push bp                (* terminate bp chain ? *)
  call far INITTASK
  or  ax, ax
  jz  BadApp
  mov [__ireg][hInstance], di     (* cx contains stack base *)
  mov [__ireg][hPrevInst], si
  mov [__ireg][PSPSeg],    es
  mov [__ireg][cmdLine],   bx
  mov [__ireg][cmdShow],   dx
(*%T _fcall*)
  mov bx,cs:[mainaddress]
  mov word [_x_main][0], bx
  mov bx,cs:[mainaddress][2]
  mov word [_x_main][2], bx
(*%E*)
(*%F _fcall*)
  mov word [_x_main][0], _main
(*%E*)
  mov word [_x_bss_end], __bss_end
  mov word [_x_bss_start], __bss_start
  mov bx, InitRec
  mov ax, ds
  call far __InitLink
  mov ax,cs:[mainaddress][4]
  mov word [_x_initx][0], ax
  mov ax,cs:[mainaddress][6]
  mov word [_x_initx][2], ax
  jmp far __startup
BadApp:
  mov  ax, 0FFH
  jmp  far exitApp

dw beg_data_dummy
dw EMU_STATE__
dw CONST__
dw _CONST__
dw _DATA__
dw BSS_START__
dw _BSS__
dw BSS_END__ (* establishes order ! *)
dw STACK__
dw 0
mainaddress:
dd _main
dd __initm
end*