534 lines
12 KiB
PHP
534 lines
12 KiB
PHP
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; ;;
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;; Copyright (C) KolibriOS team 2011-2014. All rights reserved. ;;
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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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$Revision$
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struct BLITTER_BLOCK
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xmin dd ?
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ymin dd ?
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xmax dd ?
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ymax dd ?
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ends
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struct BLITTER
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dc RECT
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sc RECT
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dst_x dd ? ; 32
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dst_y dd ? ; 36
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src_x dd ? ; 40
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src_y dd ? ; 44
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w dd ? ; 48
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h dd ? ; 52
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bitmap dd ? ; 56
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stride dd ? ; 60
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ends
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align 4
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block_clip:
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;esi= clip RECT ptr
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;edi= RECT ptr
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;return code:
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;eax= 0 - draw, 1 - don't draw
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push ebx
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mov eax, [edi+RECT.left]
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mov ebx, [edi+RECT.right]
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mov ecx, [esi+RECT.left] ;clip.left
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mov edx, [esi+RECT.right] ;clip.right
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cmp eax, edx ;left >= clip.right
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jge .fail
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cmp ebx, ecx ;right < clip.left
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jl .fail
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cmp eax, ecx ;left >= clip.left
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jae @F
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mov eax, ecx
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@@:
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mov [edi+RECT.left], eax
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cmp ebx, edx ;right <= clip.right
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jle @f
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mov ebx, edx
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@@:
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mov [edi+RECT.right], ebx
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mov eax, [edi+RECT.top]
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mov ebx, [edi+RECT.bottom]
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mov ecx, [esi+RECT.top] ;clip.top
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mov edx, [esi+RECT.bottom] ;clip.bottom
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cmp eax, edx ;top >= clip.bottom
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jge .fail
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cmp ebx, ecx ;bottom < clip.top
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jl .fail
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cmp eax, ecx ;top >= clip.top
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jae @F
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mov eax, ecx
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@@:
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mov [edi+RECT.top], eax
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cmp ebx, edx ;bottom <= clip.bottom
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jle @f
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mov ebx, edx
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@@:
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mov [edi+RECT.bottom], ebx
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pop ebx
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xor eax, eax
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ret
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.fail:
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pop ebx
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mov eax, 1
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ret
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align 4
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blit_clip:
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.sx0 equ 8
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.sy0 equ 12
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.sx1 equ 16
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.sy1 equ 20
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.dx0 equ 24
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.dy0 equ 28
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.dx1 equ 32
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.dy1 equ 36
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push edi
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push esi
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push ebx
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sub esp, 40
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mov ebx, ecx
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mov edx, [ecx+BLITTER.src_x]
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mov [esp+.sx0], edx
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mov eax, [ecx+BLITTER.src_y]
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mov [esp+.sy0], eax
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add edx, [ecx+BLITTER.w]
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add eax, [ecx+BLITTER.h]
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mov [esp+.sx1], edx
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mov [esp+.sy1], eax
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lea edi, [esp+.sx0]
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lea esi, [ebx+BLITTER.sc]
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call block_clip
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test eax, eax
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mov esi, 1
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jnz .done
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mov edi, [esp+.sx0]
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mov edx, [ebx+BLITTER.dst_x]
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add edx, edi
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sub edx, [ebx+BLITTER.src_x]
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mov [esp+.dx0], edx
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mov ecx, [esp+.sy0]
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mov eax, [ebx+BLITTER.dst_y]
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add eax, ecx
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sub eax, [ebx+BLITTER.src_y]
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mov [esp+.dy0], eax
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sub edx, edi
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add edx, [esp+.sx1]
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mov [esp+.dx1], edx
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sub eax, ecx
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add eax, [esp+.sy1]
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mov [esp+.dy1], eax
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lea edi, [esp+.dx0]
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lea esi, [ebx+BLITTER.dc]
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call block_clip
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test eax, eax
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mov esi, 1
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jnz .done
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mov edx, [esp+.dx0]
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mov eax, [esp+.dx1]
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sub eax, edx
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mov [ebx+BLITTER.w], eax
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mov eax, [esp+.dy0]
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mov ecx, [esp+.dy1]
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sub ecx, eax
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mov [ebx+BLITTER.h], ecx
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mov ecx, [ebx+BLITTER.src_x]
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add ecx, edx
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sub ecx, [ebx+BLITTER.dst_x]
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mov [ebx+BLITTER.src_x], ecx
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mov ecx, [ebx+BLITTER.src_y]
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add ecx, eax
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sub ecx, [ebx+BLITTER.dst_y]
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mov [ebx+BLITTER.src_y], ecx
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mov [ebx+BLITTER.dst_x], edx
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mov [ebx+BLITTER.dst_y], eax
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xor esi, esi
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.done:
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mov eax, esi
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add esp, 40
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pop ebx
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pop esi
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pop edi
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purge .sx0
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purge .sy0
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purge .sx1
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purge .sy1
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purge .dx0
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purge .dy0
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purge .dx1
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purge .dy1
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ret
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align 4
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blit_32:
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push ebp
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push edi
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push esi
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push ebx
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virtual at sizeof.BLITTER
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.position dd ? ; (x shl 16) + y
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; ???
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.extra_var1 dd ?
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.local_vars_size = $
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end virtual
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sub esp, .local_vars_size
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mov eax, [TASK_BASE]
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mov ebx, [eax-twdw + WDATA.box.width]
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mov edx, [eax-twdw + WDATA.box.height]
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inc ebx
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inc edx
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xor eax, eax
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mov [esp+BLITTER.dc.left], eax
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mov [esp+BLITTER.dc.top], eax
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mov [esp+BLITTER.dc.right], ebx
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mov [esp+BLITTER.dc.bottom], edx
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mov [esp+BLITTER.sc.left], eax
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mov [esp+BLITTER.sc.top], eax
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mov eax, [ecx+24]
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mov [esp+BLITTER.sc.right], eax
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mov eax, [ecx+28]
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mov [esp+BLITTER.sc.bottom], eax
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mov eax, [ecx]
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mov [esp+BLITTER.dst_x], eax
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mov eax, [ecx+4]
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mov [esp+BLITTER.dst_y], eax
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mov eax, [ecx+16]
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mov [esp+BLITTER.src_x], eax
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mov eax, [ecx+20]
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mov [esp+BLITTER.src_y], eax
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mov eax, [ecx+8]
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mov [esp+BLITTER.w], eax
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mov eax, [ecx+12]
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mov [esp+BLITTER.h], eax
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mov eax, [ecx+32]
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mov [esp+BLITTER.bitmap], eax
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mov eax, [ecx+36]
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mov [esp+BLITTER.stride], eax
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mov ecx, esp
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call blit_clip
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test eax, eax
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jne .L57
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mov eax, [TASK_BASE]
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mov ebx, [esp+BLITTER.dst_x]
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mov ebp, [esp+BLITTER.dst_y]
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add ebx, [eax-twdw + WDATA.box.left]
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add ebp, [eax-twdw + WDATA.box.top]
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mov ecx, ebx
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add ecx, [esp+BLITTER.w]
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shl ecx, 16
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mov cx, bp
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add ecx, [esp+BLITTER.h]
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mov eax, ebx
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shl eax, 16
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mov ax, bp
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mov [esp+.position], eax
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mov edi, ebp
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; imul edi, [_display.pitch]
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mov edi, [BPSLine_calc_area+edi*4]
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; imul ebp, [_display.width]
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mov ebp, [d_width_calc_area+ebp*4]
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add ebp, ebx
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add ebp, [_WinMapAddress]
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mov eax, [esp+BLITTER.src_y]
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imul eax, [esp+BLITTER.stride]
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mov esi, [esp+BLITTER.src_x]
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lea esi, [eax+esi*4]
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add esi, [esp+BLITTER.bitmap]
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mov eax, ecx
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mov ecx, [esp+BLITTER.h]
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mov edx, [esp+BLITTER.w]
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test ecx, ecx ;FIXME check clipping
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jz .L57
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test edx, edx
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jz .L57
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cmp [_display.bits_per_pixel], 32
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jne .core_24
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lea edi, [edi+ebx*4]
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mov ebx, [CURRENT_TASK]
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; check for hardware cursor
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cmp [_display.select_cursor], select_cursor
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je .core_32.software_cursor
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cmp [_display.select_cursor], 0
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jne .core_32.hardware_cursor
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;--------------------------------------
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.core_32.software_cursor:
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align 4
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.outer32:
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align 4
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.inner32:
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cmp [ebp], bl
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jne .skip
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;--------------------------------------
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mov eax, [esi]
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mov ecx, [esp+.position]
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; check mouse area for putpixel
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call [_display.check_mouse]
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;--------------------------------------
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; store to real LFB
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mov [LFB_BASE+edi], eax
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;--------------------------------------
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align 4
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.skip:
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add esi, 4
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add edi, 4
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inc ebp
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add [esp+.position], 1 shl 16
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dec edx
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jnz .inner32
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add esi, [esp+BLITTER.stride]
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add edi, [_display.pitch]
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add ebp, [_display.width]
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mov edx, [esp+BLITTER.w]
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mov eax, edx
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inc [esp+.position]
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sub ebp, edx
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shl eax, 2
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sub esi, eax
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sub edi, eax
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shl eax, 16-2
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sub [esp+.position], eax
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dec [esp+BLITTER.h]
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jnz .outer32
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jmp .done
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.core_32.hardware_cursor:
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align 4
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.hw.outer32:
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xor ecx, ecx
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align 4
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.hw.inner32:
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cmp [ebp+ecx], bl
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jne .hw.skip
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mov eax, [esi+ecx*4]
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mov [LFB_BASE+edi+ecx*4], eax
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align 4
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.hw.skip:
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inc ecx
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dec edx
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jnz .hw.inner32
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add esi, [esp+BLITTER.stride]
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add edi, [_display.pitch]
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add ebp, [_display.width]
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mov edx, [esp+BLITTER.w]
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dec [esp+BLITTER.h]
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jnz .hw.outer32
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.done:
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; call [draw_pointer]
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; call __sys_draw_pointer
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.L57:
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add esp, .local_vars_size
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pop ebx
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pop esi
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pop edi
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pop ebp
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ret
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.core_24:
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cmp [_display.bits_per_pixel], 24
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jne .core_16
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lea ebx, [ebx+ebx*2]
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lea edi, [LFB_BASE+edi+ebx]
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mov ebx, [CURRENT_TASK]
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align 4
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.outer24:
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mov [esp+.extra_var1], edi
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xor ecx, ecx
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align 4
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.inner24:
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cmp [ebp+ecx], bl ; Does the process own this pixel?
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jne .skip_1
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;--------------------------------------
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push eax
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mov eax, [esi+ecx*4]
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lea edi, [edi+ecx*2]
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; check for hardware cursor
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cmp [_display.select_cursor], select_cursor
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je @f
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cmp [_display.select_cursor], 0
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jne .no_mouseunder_1
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;--------------------------------------
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align 4
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@@:
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push ecx
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mov ecx, [esp+4]
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ror ecx, 16
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sub ecx, edx
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rol ecx, 16
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sub ecx, [esp+BLITTER.h + 8]
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; check mouse area for putpixel
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call [_display.check_mouse]
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pop ecx
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;--------------------------------------
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align 4
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.no_mouseunder_1:
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mov [edi+ecx], ax
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shr eax, 16
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mov [edi+ecx+2], al
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pop eax
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;--------------------------------------
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align 4
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.skip_1:
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inc ecx
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dec edx
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jnz .inner24
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add esi, [esp+BLITTER.stride]
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mov edi, [esp+.extra_var1]
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add edi, [_display.pitch]
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add ebp, [_display.width]
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mov edx, [esp+BLITTER.w]
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dec [esp+BLITTER.h]
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jnz .outer24
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jmp .done
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.core_16:
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lea edi, [LFB_BASE+edi+ebx*2]
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mov ebx, [CURRENT_TASK]
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.outer16:
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mov [esp+.extra_var1], edi
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xor ecx, ecx
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.inner16:
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cmp [ebp+ecx], bl ; Does the process own this pixel?
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jne .skip_2
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;--------------------------------------
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push eax
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mov eax, [esi+ecx*4]
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; check for hardware cursor
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cmp [_display.select_cursor], select_cursor
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je @f
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cmp [_display.select_cursor], 0
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jne .no_mouseunder_2
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;--------------------------------------
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@@:
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push ecx
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mov ecx, [esp+4]
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ror ecx, 16
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sub ecx, edx
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rol ecx, 16
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sub ecx, [esp+BLITTER.h + 8]
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; check mouse area for putpixel
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call [_display.check_mouse]
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pop ecx
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;--------------------------------------
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.no_mouseunder_2:
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; convert to 16 bpp and store to LFB
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and eax, 00000000111110001111110011111000b
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shr ah, 2
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shr ax, 3
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ror eax, 8
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add al, ah
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rol eax, 8
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mov [edi+ecx*2], ax
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pop eax
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;--------------------------------------
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.skip_2:
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inc ecx
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dec edx
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jnz .inner16
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add esi, [esp+BLITTER.stride]
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mov edi, [esp+.extra_var1]
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add edi, [_display.pitch]
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add ebp, [_display.width]
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mov edx, [esp+BLITTER.w]
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dec [esp+BLITTER.h]
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jnz .outer16
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jmp .done
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