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Line 1... Line 1...
1 
$Revision: 527 $
 1 
$Revision: 536 $
2 
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 2 
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
3 
;;                                                              ;;
 3 
;;                                                              ;;
4 
;; Copyright (C) KolibriOS team 2004-2007. All rights reserved. ;;
 4 
;; Copyright (C) KolibriOS team 2004-2007. All rights reserved. ;;
5 
;; Distributed under terms of the GNU General Public License    ;;
 5 
;; Distributed under terms of the GNU General Public License    ;;
6 
;;                                                              ;;
 6 
;;                                                              ;;
Line 909... Line 909...
909 
        pop     eax
 909 
        pop     eax
910 
        push    edx             ; dword [esp] = (y * BgrDataHeight) mod ScreenHeight
 910 
        push    edx             ; dword [esp] = (y * BgrDataHeight) mod ScreenHeight
911 
                                ; dword [esp+4] = y * BgrDataHeight / ScreenHeight
 911 
                                ; dword [esp+4] = y * BgrDataHeight / ScreenHeight
912 
        push    eax
 912 
        push    eax
913 
        mov     ecx, [BgrDataWidth]
 913 
        mov     ecx, [BgrDataWidth]
- 
 
 914 
        lea     edx, [ecx*3]
- 
 
 915 
        imul    edx, [BgrDataHeight]
- 
 
 916 
        add     edx, [img_background]
- 
 
 917 
        push    edx
914 
        mul     ecx
 918 
        mul     ecx
915 
        imul    esi, ecx
 919 
        imul    esi, ecx
916 
        dec     ecx
 920 
        dec     ecx
917 
        push    ecx
 921 
        push    ecx
918 
        mov     ecx, [ScreenWidth]
 922 
        mov     ecx, [ScreenWidth]
Line 930... Line 934...
930 
; esi -> bgr memory, edi -> output
 934 
; esi -> bgr memory, edi -> output
931 
; ebp = offset in WinMapAddress
 935 
; ebp = offset in WinMapAddress
932 
; dword [esp] = saved esi
 936 
; dword [esp] = saved esi
933 
; dword [esp+4] = saved edx
 937 
; dword [esp+4] = saved edx
934 
; dword [esp+8] = saved ecx
 938 
; dword [esp+8] = saved ecx
935 
; dword [esp+12] = limit for overlapping of points
 939 
; dword [esp+12] = BgrDataWidth-1, x-limit for overlapping of points
- 
 
 940 
; dword [esp+16] = end of bgr memory (defines y-limit for overlapping of points)
936 
; dword [esp+16] = x
 941 
; dword [esp+20] = x
937 
; dword [esp+20] = (y * BgrDataHeight) mod ScreenHeight (used to fast recalculating of esi)
 942 
; dword [esp+24] = (y * BgrDataHeight) mod ScreenHeight (used to fast recalculating of esi)
938 
; dword [esp+24] = y
 943 
; dword [esp+28] = y
939 
; precalculated constants:
 944 
; precalculated constants:
940 
; dword [esp+28] = BgrDataHeight mod ScreenHeight
 945 
; dword [esp+32] = BgrDataHeight mod ScreenHeight
941 
; dword [esp+32] = BgrDataHeight div ScreenHeight
 946 
; dword [esp+36] = BgrDataHeight div ScreenHeight
942 
; dword [esp+36] = BgrDataWidth mod ScreenWidth
 947 
; dword [esp+40] = BgrDataWidth mod ScreenWidth
943 
; dword [esp+40] = BgrDataWidth div ScreenWidth
 948 
; dword [esp+44] = BgrDataWidth div ScreenWidth
944 
sdp3:
 949 
sdp3:
- 
 
 950 
        add     edx, [esp+40]
945 
        cmp     [ebp+WinMapAddress], byte 1
 951 
        cmp     [ebp+WinMapAddress], byte 1
946 
        jnz     snbgp
 952 
        jnz     snbgp
947 
        mov     al, [esi+2]
 953 
        mov     al, [esi+2]
948 
        shl     eax, 16
 954 
        shl     eax, 16
949 
        mov     ax, [esi]
 955 
        mov     ax, [esi]
950 
        cmp     ecx, [esp+12]
 956 
        cmp     ecx, [esp+12]
951 
        jae     @f
 957 
        jae     @f
- 
 
 958 
        cmp     edx, [ScreenWidth]
- 
 
 959 
        jb      @f
952 
        mov     ebx, [esi+2]
 960 
        mov     ebx, [esi+2]
953 
        shr     ebx, 8
 961 
        shr     ebx, 8
954 
        call    overlapping_of_points
 962 
        call    overlapping_of_points
955 
@@:
 963 
@@:
- 
 
 964 
        mov     ebx, [esp+24]
- 
 
 965 
        add     ebx, [esp+32]
- 
 
 966 
        cmp     ebx, [ScreenHeight]
- 
 
 967 
        jbe     @f
- 
 
 968 
        mov     ebx, [BgrDataWidth]
- 
 
 969 
        lea     ebx, [ebx*3]
- 
 
 970 
        add     ebx, esi
- 
 
 971 
        cmp     ebx, [esp+16]
- 
 
 972 
        jae     @f
- 
 
 973 
        mov     ebx, [ebx-1]
- 
 
 974 
        shr     ebx, 8
- 
 
 975 
        call    overlapping_of_points
- 
 
 976 
@@:
956 
        mov     [edi], ax
 977 
        mov     [edi], ax
957 
        shr     eax, 16
 978 
        shr     eax, 16
958 
        mov     [edi+2], al
 979 
        mov     [edi+2], al
959 
snbgp:
 980 
snbgp:
960 
        cmp     [ScreenBPP], byte 25
 981 
        cmp     [ScreenBPP], byte 25
961 
        sbb     edi, -4
 982 
        sbb     edi, -4
962 
        add     ebp, 1
 983 
        add     ebp, 1
963 
        mov     eax, [esp+16]
 984 
        mov     eax, [esp+20]
964 
        add     eax, 1
 985 
        add     eax, 1
965 
        mov     [esp+16], eax
 986 
        mov     [esp+20], eax
966 
        cmp     eax, [draw_data+32+RECT.right]
 987 
        cmp     eax, [draw_data+32+RECT.right]
967 
        ja      sdp4
 988 
        ja      sdp4
968 
        mov     eax, [esp+40]
 989 
        mov     eax, [esp+44]
969 
        add     ecx, eax
 990 
        add     ecx, eax
970 
        lea     eax, [eax*3]
 991 
        lea     eax, [eax*3]
971 
        add     esi, eax
 992 
        add     esi, eax
972 
        add     edx, [esp+36]
 993 
;        add     edx, [esp+40]
973 
        cmp     edx, [ScreenWidth]
 994 
        cmp     edx, [ScreenWidth]
974 
        jbe     sdp3
 995 
        jbe     sdp3
975 
        sub     edx, [ScreenWidth]
 996 
        sub     edx, [ScreenWidth]
976 
        add     ecx, 1
 997 
        add     ecx, 1
977 
        add     esi, 3
 998 
        add     esi, 3
978 
        sub     edx, 1
 999 
        sub     edx, 1
979 
        jmp     sdp3
 1000 
        jmp     sdp3
980 
sdp4:
 1001 
sdp4:
981 
; next y
 1002 
; next y
982 
        mov     ebx, [esp+24]
 1003 
        mov     ebx, [esp+28]
983 
        add     ebx, 1
 1004 
        add     ebx, 1
984 
        mov     [esp+24], ebx
 1005 
        mov     [esp+28], ebx
985 
        cmp     ebx, [draw_data+32+RECT.bottom]
 1006 
        cmp     ebx, [draw_data+32+RECT.bottom]
986 
        ja      sdpdone
 1007 
        ja      sdpdone
987 
; advance edi, ebp to next scan line
 1008 
; advance edi, ebp to next scan line
988 
        sub     eax, [draw_data+32+RECT.left]
 1009 
        sub     eax, [draw_data+32+RECT.left]
989 
        sub     ebp, eax
 1010 
        sub     ebp, eax
Line 999... Line 1020...
999 
        add     edi, [BytesPerScanLine]
 1020 
        add     edi, [BytesPerScanLine]
1000 
; restore ecx,edx; advance esi to next background line
 1021 
; restore ecx,edx; advance esi to next background line
1001 
        pop     esi edx ecx
 1022 
        pop     esi edx ecx
1002 
        push    ecx edx
 1023 
        push    ecx edx
1003 
        xor     ebx, ebx
 1024 
        xor     ebx, ebx
1004 
        mov     eax, [esp+20-4]
 1025 
        mov     eax, [esp+24-4]
1005 
        add     eax, [esp+28-4]
 1026 
        add     eax, [esp+32-4]
1006 
        cmp     eax, [ScreenHeight]
 1027 
        cmp     eax, [ScreenHeight]
1007 
        jbe     @f
 1028 
        jbe     @f
1008 
        sub     eax, [ScreenHeight]
 1029 
        sub     eax, [ScreenHeight]
1009 
        mov     ebx, 1
 1030 
        mov     ebx, 1
1010 
        sub     eax, ebx
 1031 
        sub     eax, ebx
1011 
@@:
 1032 
@@:
1012 
        mov     [esp+20-4], eax
 1033 
        mov     [esp+24-4], eax
1013 
        add     ebx, [esp+32-4]
 1034 
        add     ebx, [esp+36-4]
1014 
        lea     ebx, [ebx*3]
 1035 
        lea     ebx, [ebx*3]
1015 
        imul    ebx, [BgrDataWidth]
 1036 
        imul    ebx, [BgrDataWidth]
1016 
        add     esi, ebx
 1037 
        add     esi, ebx
1017 
        push    esi
 1038 
        push    esi
1018 
        mov     eax, [draw_data+32+RECT.left]
 1039 
        mov     eax, [draw_data+32+RECT.left]
1019 
        mov     [esp+16], eax
 1040 
        mov     [esp+20], eax
1020 
        jmp     sdp3
 1041 
        jmp     sdp3
1021 
sdpdone:
 1042 
sdpdone:
1022 
        add     esp, 44
 1043 
        add     esp, 48
1023 
        popad
 1044 
        popad
1024 
        mov     [EGA_counter],1
 1045 
        mov     [EGA_counter],1
1025 
        call    VGA_drawbackground
 1046 
        call    VGA_drawbackground
1026 
        ret
 1047 
        ret