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Rev 9926 Rev 9930
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;; Copyright (C) MenuetOS 2000-2004 Ville Mikael Turjanmaa      ;;
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;; Copyright (C) MenuetOS 2000-2004 Ville Mikael Turjanmaa      ;;
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;; Distributed under terms of the GNU General Public License    ;;
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;; Distributed under terms of the GNU General Public License    ;;
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;;                                                              ;;
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;;                                                              ;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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$Revision: 9926 $
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$Revision: 9930 $
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; Background graphics implementation
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; Background graphics implementation
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nosb7:
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nosb7:
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        cmp     ebx, 8
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        cmp     ebx, 8
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        jnz     nosb8
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        jnz     nosb8
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- 
 
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        mov     ecx, [current_slot]
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        mov     ecx, [current_slot]
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        mov     ecx, [ecx + APPDATA.window]
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        xor     eax, eax
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        xor     eax, eax
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        xchg    eax, [ecx + APPDATA.draw_bgr_x]
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        xchg    eax, [ecx + WDATA.draw_bgr_x]
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        mov     [esp + SYSCALL_STACK.eax], eax ; eax = [left]*65536 + [right]
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        mov     [esp + SYSCALL_STACK.eax], eax ; eax = [left]*65536 + [right]
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        xor     eax, eax
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        xor     eax, eax
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        xchg    eax, [ecx + APPDATA.draw_bgr_y]
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        xchg    eax, [ecx + WDATA.draw_bgr_y]
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        mov     [esp + SYSCALL_STACK.ebx], eax ; ebx = [top]*65536 + [bottom]
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        mov     [esp + SYSCALL_STACK.ebx], eax ; ebx = [top]*65536 + [bottom]
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        ret
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        ret
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;---------------------------------------
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;---------------------------------------
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align 4
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align 4
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        shr     ecx, 16 ; [right]
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        shr     ecx, 16 ; [right]
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        shr     edx, 16 ; [bottom]
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        shr     edx, 16 ; [bottom]
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        mov     [background_defined], 1
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        mov     [background_defined], 1
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        mov     [draw_data + sizeof.WDATA + RECT.left], eax
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        mov     [background_window + WDATA.draw_data.left], eax
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        mov     [draw_data + sizeof.WDATA + RECT.top], ebx
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        mov     [background_window + WDATA.draw_data.top], ebx
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        mov     [draw_data + sizeof.WDATA + RECT.right], ecx
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        mov     [background_window + WDATA.draw_data.right], ecx
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        mov     [draw_data + sizeof.WDATA + RECT.bottom], edx
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        mov     [background_window + WDATA.draw_data.bottom], edx
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;------------------------------------------------------------------------------
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;------------------------------------------------------------------------------
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align 4
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align 4
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force_redraw_background:
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force_redraw_background:
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        and     [draw_data + sizeof.WDATA + RECT.left], 0
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        and     [background_window + WDATA.draw_data.left], 0
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        and     [draw_data + sizeof.WDATA + RECT.top], 0
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        and     [background_window + WDATA.draw_data.top], 0
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        push    eax ebx
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        push    eax ebx
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        mov     eax, [_display.width]
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        mov     eax, [_display.width]
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        mov     ebx, [_display.height]
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        mov     ebx, [_display.height]
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        dec     eax
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        dec     eax
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        dec     ebx
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        dec     ebx
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        mov     [draw_data + sizeof.WDATA + RECT.right], eax
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        mov     [background_window + WDATA.draw_data.right], eax
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        mov     [draw_data + sizeof.WDATA + RECT.bottom], ebx
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        mov     [background_window + WDATA.draw_data.bottom], ebx
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        pop     ebx eax
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        pop     ebx eax
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        inc     [REDRAW_BACKGROUND]
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        inc     [REDRAW_BACKGROUND]
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        call    wakeup_osloop
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        call    wakeup_osloop
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        ; ecx -
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        ; ecx -
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        ; edx -
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        ; edx -
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        ; esi - buffer of 0x00RRGGBB
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        ; esi - buffer of 0x00RRGGBB
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        mov     eax, [img_background]
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        mov     eax, [img_background]
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        cmp     eax, static_background_data
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        cmp     eax, static_background_data
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        jz      .ret_39_3
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        jz      .fail_39_3
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align 4
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align 4
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@@:
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@@:
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        movzx   eax, cx ; store y in eax
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        movzx   eax, cx ; store y in eax
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        mov     [.y], eax
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        mov     [.y], eax
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        inc     ecx
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        inc     ecx
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        jmp     .copy_rect
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        jmp     .copy_rect
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.end_copy_rect:
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.end_copy_rect:
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        xor     eax, eax
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        xor     eax, eax
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        mov     [esp + SYSCALL_STACK.eax], eax
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        mov     [esp + SYSCALL_STACK.eax], eax
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align 4
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.ret_39_3:
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        ret
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;--------------------------------------
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;--------------------------------------
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align 4
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align 4
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.fail_39_3:
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.fail_39_3:
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        mov     eax, -1
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        mov     [esp + SYSCALL_STACK.eax], -1
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align 4
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.ret_39_3:
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        ret
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        ret
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;--------------------------------------
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;--------------------------------------
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align 4
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align 4
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.nogb3:
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.nogb3:
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        dec     ebx
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        dec     ebx