forked from KolibriOS/kolibrios
[KERNEL] fixed bug in sysfn 39.3
git-svn-id: svn://kolibrios.org@9948 a494cfbc-eb01-0410-851d-a64ba20cac60
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Doczom
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@ -146,12 +146,8 @@ align 4
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nosb3:
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cmp ebx, 4 ; TILED / STRETCHED
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jnz nosb4
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cmp ecx, [BgrDrawMode]
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je nosb41
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mov [BgrDrawMode], ecx
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;--------------------------------------
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align 4
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nosb41:
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ret
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;--------------------------------------
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align 4
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@ -408,13 +404,6 @@ align 4
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.ret:
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ret
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;------------------------------------------------------------------------------
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align 4
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.x dd ?
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.y dd ?
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.w dd ?
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.h dd ?
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.subrect_startptr dd ?
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.subrect_bytes dd ?
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align 4
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.nogb2:
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dec ebx
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@ -425,77 +414,81 @@ align 4
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; esi - buffer of 0x00RRGGBB
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mov eax, [img_background]
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cmp eax, static_background_data
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jz .fail_39_3
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align 4
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@@:
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jz .exit_39_3
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sub esp, 4*3 ; local values
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; get start offset
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movzx eax, cx ; store y in eax
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mov [.y], eax
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cmp eax, [BgrDataHeight]
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jae .fail_39_3
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mov [esp], eax ; save y
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shr ecx, 16 ; ecx = x
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mov [.x], ecx
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cmp ecx, [BgrDataWidth]
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jae .fail_39_3
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imul eax, [BgrDataWidth]
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add eax, ecx
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imul eax, 3
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mov [.subrect_startptr], eax
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mov [esp + 4*2], eax ; offset first poixel for copy
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; get count pixels
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movzx eax, dx ; h
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shr edx, 16 ; w
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add ecx, edx ; get RECT.right
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cmp ecx, [BgrDataWidth]
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jae .fail_39_3
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; check area
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mov ecx, [esp]
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add ecx, eax
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cmp ecx, [BgrDataHeight]
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jae .fail_39_3
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movzx eax, dx ; store h in eax
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mov [.h], eax
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mov [esp + 4], eax ; save H
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mov [esp], edx ; save W
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; check buffer
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add eax, edx
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lea eax, [eax*3]
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stdcall is_region_userspace, esi, eax
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jnz .fail_39_3
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shr edx, 16 ; edx = w
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mov [.w], edx
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; loop copy lines
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mov edi, esi
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mov esi, [img_background]
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add esi, [esp + 4*2] ; add offset start copy
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xor ecx, ecx ; index in line
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cmp ecx, [esp + 4] ; check H == zerro
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jz .exit_39_3
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xor edx, edx ; offset in line
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cld
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.loop:
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cmp ecx, [esp] ; check ecx < W
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jae @f
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imul eax, edx
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mov [.subrect_bytes], eax
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; check bounds
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mov ebx, [mem_BACKGROUND]
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add ebx, PAGE_SIZE-1
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and ebx, -PAGE_SIZE
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sub ebx, 4
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add eax, [.subrect_startptr]
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cmp eax, ebx
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ja .fail_39_3
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; copy contents
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mov edi, [img_background]
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xor ecx, ecx ; ecx - row index
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.copy_rect:
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cmp ecx, [.h]
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jae .end_copy_rect
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xor edx, edx ; edx - column index
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.copy_row:
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cmp edx, [.w]
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jae .end_copy_row
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mov ebx, ecx
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imul ebx, [BgrDataWidth]
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add ebx, edx
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imul ebx, 3
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add ebx, [.subrect_startptr]
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mov eax, [edi + ebx]
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mov ebx, ecx
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imul ebx, [.w]
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add ebx, edx
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mov eax, [esi + edx]
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and eax, 0xFFFFFF
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mov [esi + ebx*4], eax
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inc edx
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jmp .copy_row
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.end_copy_row:
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stosd ; [edi] = eax ; edi+=4;
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inc ecx
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jmp .copy_rect
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.end_copy_rect:
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add edx, 3
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jmp .loop
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@@:
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xor edx, edx
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mov eax, [BgrDataWidth]
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lea esi, [esi + eax*2]
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add esi, eax
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mov ecx, edx
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dec dword[esp + 4] ; h--
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jnz .loop
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; free stack
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.exit_39_3:
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add esp, 4*3
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xor 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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align 4
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.fail_39_3:
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add esp, 4*3
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mov [esp + SYSCALL_STACK.eax], -1
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ret
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;--------------------------------------
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@ -3505,14 +3505,12 @@ drawbackground:
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cmp [BgrDrawMode], dword 1
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jne .bgrstr
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call vesa20_drawbackground_tiled
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; call [draw_pointer]
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call __sys_draw_pointer
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ret
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;--------------------------------------
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align 4
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.bgrstr:
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call vesa20_drawbackground_stretch
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; call [draw_pointer]
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call __sys_draw_pointer
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ret
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;-----------------------------------------------------------------------------
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@ -3542,11 +3540,11 @@ align 4
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;--------------------------------------
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align 4
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@@:
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mov edi, [current_slot_idx]
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shl edi, BSF sizeof.WDATA
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add dx, word[window_data + edi + WDATA.clientbox.top]
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mov edi, [current_slot]
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mov edi, APPDATA.window
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add dx, word[edi + WDATA.clientbox.top]
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rol edx, 16
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add dx, word[window_data + edi + WDATA.clientbox.left]
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add dx, word[edi + WDATA.clientbox.left]
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rol edx, 16
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;--------------------------------------
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align 4
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@ -4199,15 +4197,13 @@ syscall_cdaudio:
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;-----------------------------------------------------------------------------
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align 4
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syscall_getpixel_WinMap: ; GetPixel WinMap
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cmp ebx, [_display.width]
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jb @f
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cmp ecx, [_display.height]
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jb @f
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xor eax, eax
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jmp .store
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cmp ebx, [_display.width]
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jae .store
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cmp ecx, [_display.height]
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jae .store
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;--------------------------------------
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align 4
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@@:
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mov eax, [d_width_calc_area + ecx*4]
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add eax, [_display.win_map]
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movzx eax, byte[eax+ebx] ; get value for current point
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@ -220,7 +220,7 @@ set_framebuffer:
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cli
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mov [_display.current_lfb], ecx
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.patch_pde:
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lea edi, [eax + PROC.pdt_0 + PAGE_SIZE -32] ;last 8 pd entries up to 32Mb framebuffer
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lea edi, [eax + PROC.pdt_0 + (LFB_BASE shr 20)] ;last 8 pd entries up to 32Mb framebuffer
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mov ecx, 4
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rep movsd ;patch pde
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sub esi, 16
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@ -1601,7 +1601,7 @@ vesa20_drawbackground_tiled:
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pushad
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; External loop for all y from start to end
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mov ebx, [background_window + WDATA.draw_data.top] ; y start
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dp2:
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.dp2:
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mov ebp, [background_window + WDATA.draw_data.left] ; x start
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; 1) Calculate pointers in WinMapAddress (does pixel belong to OS thread?) [ebp]
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; and LFB data (output for our function) [edi]
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@ -1651,7 +1651,7 @@ vesa20_drawbackground_tiled:
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; edx = 1
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; esi -> bgr memory, edi -> output
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; ebp = offset in WinMapAddress
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dp3:
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.dp3:
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cmp [ebp], dl
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jnz .next_pix
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@ -1699,22 +1699,22 @@ vesa20_drawbackground_tiled:
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add ebp, edx
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add eax, edx
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cmp eax, [background_window + WDATA.draw_data.right]
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ja dp4
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ja .dp4
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sub ecx, edx
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jnz dp3
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jnz .dp3
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; next tile block on x-axis
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mov ecx, [BgrDataWidth]
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sub esi, ecx
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sub esi, ecx
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sub esi, ecx
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jmp dp3
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jmp .dp3
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dp4:
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.dp4:
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; next scan line
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inc ebx
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cmp ebx, [background_window + WDATA.draw_data.bottom]
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jbe dp2
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jbe .dp2
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popad
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mov [EGA_counter], 1
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cmp [SCR_MODE], 0x12
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