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kolibrios/programs/develop/libraries/buf2d/trunk/fun_voxel.inc
IgorA 1c3a46e4d1 modify function 'buf2d_resize', 
split file 'buf2d.asm'

git-svn-id: svn://kolibrios.org@6175 a494cfbc-eb01-0410-851d-a64ba20cac60
2016-02-08 22:26:02 +00:00

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PHP
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;
;*** ä㭪樨 ¤«ï à ¡®âë á ¢®ªá¥«ì­®© £à ä¨ª®© ***
;
vox_offs_tree_table equ 4
vox_offs_data equ 12
;ᮧ¤ ­¨¥ ¢®ªá¥«ì­ëå ª¨á⥩
align 4
proc vox_brush_create uses eax ebx ecx edi, h_br:dword, buf_z:dword
mov edi,[h_br]
movzx ecx,byte[edi+3]
add edi,4
; *** ᮧ¤ ­¨¥ ¥¤¨­¨ç­®© ª¨á⨠***
mov eax,[buf_z]
mov buf2d_data,eax
movzx eax,byte[edi-4] ;è¨à¨­  ¥¤¨­¨ç­®© ª¨áâ¨
mov buf2d_w,eax ;è¨à¨­  ¡ãä¥à 
movzx eax,byte[edi-4+1] ;¢ëá®â  ¥¤¨­¨ç­®© ª¨áâ¨
mov buf2d_h,eax ;¢ëá®â  ¡ãä¥à 
mov buf2d_size_lt,0 ;®âáâ㯠᫥¢  ¨ á¯à ¢  ¤«ï ¡ãä¥à 
mov buf2d_color,0 ;梥â ä®­  ¡ãä¥à 
mov buf2d_bits,32 ;ª®«¨ç¥á⢮ ¡¨â ¢ 1-© â®çª¥ ¨§®¡à ¦¥­¨ï
; *** ᮧ¤ ­¨¥ á«¥¤ãîé¨å ª¨á⥩ ***
cmp ecx,1
jl .end_creat
movzx ebx,byte[edi-4+2] ;¢ëá®â  ®á­®¢ ­¨ï ¥¤¨­¨ç­®© ª¨áâ¨
shr ebx,1
cld
@@:
mov eax,edi
add edi,BUF_STRUCT_SIZE
stdcall vox_create_next_brush, eax, edi, ebx
shl ebx,1
loop @b
.end_creat:
ret
endp
;㤠«¥­¨¥ ¢®ªá¥«ì­ëå ª¨á⥩
align 4
proc vox_brush_delete uses ecx edi, h_br:dword
mov edi,[h_br]
movzx ecx,byte[edi+3]
add edi,4
; *** 㤠«¥­¨¥ ª¨á⥩ ***
cmp ecx,1
jl .end_delete
cld
@@:
add edi,BUF_STRUCT_SIZE
stdcall buf_delete, edi
loop @b
.end_delete:
ret
endp
;äã­ªæ¨ï ¤«ï ᮧ¤ ­¨ï ¢®ªá¥«ï á«¥¤ãî饣® ¯®à浪 
; buf_v1 - ¡ãä¥à á ¨á室­ë¬ ¢®ªá¥«¥¬
; buf_v2 - ¡ãä¥à á 㢥«¨ç¥­ë¬ ¢®ªá¥«¥¬
; h - ¢ëá®â  ®á­®¢ ­¨ï ¨á室­®£® ¢®ªá¥«ï : 2
align 4
proc vox_create_next_brush uses eax ebx ecx edx edi, buf_v1:dword, buf_v2:dword, h:dword
mov edi,[buf_v1]
mov ebx,buf2d_h
mov ecx,buf2d_w
mov edi,[buf_v2]
mov buf2d_h,ebx
shl buf2d_h,1
mov buf2d_w,ecx
shl buf2d_w,1
mov buf2d_color,0
mov buf2d_bits,32
stdcall buf_create, [buf_v2] ;ᮧ¤ ­¨¥ ¡ãä¥à  £«ã¡¨­ë
shr ecx,1
mov edx,[h]
shl edx,1
sub ebx,edx
;ecx - è¨à¨­  ¨á室­®£® ¢®ªá¥«ï : 2
;ebx - ¢ëá®â  ¨á室­®£® ¢®ªá¥«ï (¡¥§ ®á­®¢ ­¨ï)
;edx - ¢ëá®â  ®á­®¢ ­¨ï ¨á室­®£® ¢®ªá¥«ï
mov eax,[h]
cmp eax,0
je @f
stdcall vox_add, [buf_v2], [buf_v1], ecx,0,0
stdcall vox_add, [buf_v2], [buf_v1], ecx,ebx,0
stdcall vox_add, [buf_v2], [buf_v1], 0,eax,eax
push eax ;stdcall ...
add eax,ebx
stdcall vox_add, [buf_v2], [buf_v1], 0,eax ;,...
sub eax,ebx
shl ecx,1
;ecx - è¨à¨­  ¨á室­®£® ¢®ªá¥«ï
stdcall vox_add, [buf_v2], [buf_v1], ecx,eax,eax
push eax ;stdcall ...,[h]
add eax,ebx
stdcall vox_add, [buf_v2], [buf_v1], ecx,eax;,[h]
;sub eax,ebx
shr ecx,1
;ecx - è¨à¨­  ¨á室­®£® ¢®ªá¥«ï : 2
stdcall vox_add, [buf_v2], [buf_v1], ecx,edx,edx
add ebx,edx
stdcall vox_add, [buf_v2], [buf_v1], ecx,ebx,edx
jmp .end_0
@@:
;¥á«¨ h = 0, ⮣¤  ¯®«ãç ¥¬ ª¨áâì ­  2 £à ­¨
;¢ â ª®¬ á«ãç ¥ ¤«ï ¯®«ã祭¨ï £«ã¡¨­ë ¡¥à¥¬ è¨à¨­ã / 2
mov eax,ecx
;2 «¥¢ëå ¢®ªá¥«ï
stdcall vox_add, [buf_v2], [buf_v1], 0,0,eax
stdcall vox_add, [buf_v2], [buf_v1], 0,ebx,eax
shl eax,1
;2 業âà «ì­ëå ¯¥à¥¤­¨å ¢®ªá¥«ï (§ ¤­¨¥ 業âà «ì­ë¥ ­¥ ¢ë¢®¤¨¬)
stdcall vox_add, [buf_v2], [buf_v1], ecx,0,eax
stdcall vox_add, [buf_v2], [buf_v1], ecx,ebx,eax
shr eax,1
shl ecx,1
;2 ¯à ¢ëå ¢®ªá¥«ï
stdcall vox_add, [buf_v2], [buf_v1], ecx,0,eax
stdcall vox_add, [buf_v2], [buf_v1], ecx,ebx,eax
.end_0:
ret
endp
;
align 4
proc vox_add, buf_v1:dword, buf_v2:dword, coord_x:dword, coord_y:dword, coord_z:dword
pushad
mov ebx,[coord_x]
mov eax,[coord_y]
mov edi,[buf_v2]
mov ecx,buf2d_h
mov esi,buf2d_w
imul ecx,esi
add esi,ebx
mov edx,buf2d_data
cld
;ecx - count pixels in voxel
;edx - 㪠§ â¥«ì ­  ¤ ­­ë¥ ¢ ¢®ªá¥«ì­®¬ ¡ãä¥à¥
;edi - 㪠§ â¥«ì ­  ¢®ªá¥«ì­ë© ¡ãä¥à
;esi - width voxel buffer add coord x
.cycle:
cmp dword[edx],0
je @f
;¯à®¢¥à塞 ¡ãä¥à £«ã¡¨­ë
push eax ecx edi esi
mov ecx,eax
mov edi,[buf_v1]
call get_pixel_32 ;stdcall buf_get_pixel, [buf_v1],ebx,ecx
mov esi,[edx]
add esi,[coord_z]
cmp eax,esi
jge .end_draw
stdcall buf_set_pixel, [buf_v1],ebx,ecx,esi ;esi = new coord z
.end_draw:
pop esi edi ecx eax
@@:
add edx,4
inc ebx
cmp ebx,esi
jl @f
inc eax
sub ebx,buf2d_w
@@:
loop .cycle
popad
ret
endp
;description:
; ¢®§¢à è ¥â è¨à¨­ã ¢®ªá¥«ì­®£® ¨§®¡à ¦¥­¨ï á 3-¬ï £à ­ï¬¨
; ¯à¨­¨¬ ¥â 㪠§ â¥«ì ­  ª¨áâì ¨ ¬ áèâ ¡
align 4
proc buf_vox_obj_get_img_w_3g uses ecx, h_br:dword,k_scale:dword
mov ecx,[h_br]
movzx eax,byte[ecx]
cmp dword[k_scale],1
jl .end_c0
mov ecx,[k_scale]
shl eax,cl
.end_c0:
ret
endp
;description:
; ¢®§¢à è ¥â ¢ëá®âã ¢®ªá¥«ì­®£® ¨§®¡à ¦¥­¨ï á 3-¬ï £à ­ï¬¨
; ¯à¨­¨¬ ¥â 㪠§ â¥«ì ­  ª¨áâì ¨ ¬ áèâ ¡
align 4
proc buf_vox_obj_get_img_h_3g uses ecx, h_br:dword,k_scale:dword
mov ecx,[h_br]
movzx eax,byte[ecx+1]
cmp dword[k_scale],1
jl .end_c0
mov ecx,[k_scale]
shl eax,cl
.end_c0:
ret
endp
;description:
; äã­ªæ¨ï à¨áãîé ï ¢®ªá¥«ì­ë© ®¡ê¥ªâ (¢¨¤­  1 £à ­ì)
;input:
; buf_i - ¡ãä¥à ¢ ª®â®à®¬ à¨áã¥âáï (24 ¡¨â )
; buf_z - ¡ãä¥à £«ã¡¨­ë (32 ¡¨â  ¯® ç¨á«ã ¯¨ªá¥«¥© ¤®«¦¥­ ᮢ¯ ¤ âì á buf_i)
align 4
proc buf_vox_obj_draw_1g, buf_i:dword, buf_z:dword, v_obj:dword, coord_x:dword,\
coord_y:dword, k_scale:dword
cmp [k_scale],0
jl .end_f
pushad
mov edi,[buf_i]
cmp buf2d_bits,24
jne .error1
mov edi,[buf_z]
cmp buf2d_bits,32
jne .error2
mov ecx,[k_scale]
mov ebx,[coord_x]
mov edx,[coord_y]
mov edi,[v_obj]
add edi,vox_offs_data
xor esi,esi
stdcall draw_sub_vox_obj_1g, [buf_i],[buf_z],[v_obj]
jmp .end_0
.error1:
stdcall print_err,sz_buf2d_vox_obj_draw_1g,txt_err_n24b
jmp .end_0
.error2:
stdcall print_err,sz_buf2d_vox_obj_draw_1g,txt_err_n32b
.end_0:
popad
.end_f:
ret
endp
;input:
; ebx - coord_x
; edx - coord_y
; esi - coord_z
; ecx - ã஢¥­ì ⥪ã襣® 㧫 
; edi - 㪠§ â¥«ì ­  ¤ ­­ë¥ ¢®ªá¥«ì­®£® ®¡ê¥ªâ 
align 4
proc draw_sub_vox_obj_1g, buf_i:dword, buf_z:dword, v_obj:dword
cmp byte[edi+3],0 ;ᬮâਬ ¥áâì «¨ ¯®¤¤¥à¥¢ìï
je .sub_trees
;¯à®à¨á®¢ª  à ¬ª¨ ¥á«¨ à §¬¥à 㧫  = 1
cmp ecx,0
jne @f
;¯à®¢¥àª  £«ã¡¨­ë esi
stdcall buf_get_pixel, [buf_z], ebx,edx, esi
cmp eax,esi
jge @f
push ecx
mov ecx,dword[edi]
and ecx,0xffffff
stdcall buf_set_pixel, [buf_i], ebx,edx, ecx
stdcall buf_set_pixel, [buf_z], ebx,edx, esi
pop ecx
@@:
;४ãàᨢ­ë© ¯¥à¥¡®à ¯®¤¤¥à¥¢ì¥¢
push edx
;¢å®¤ ¢­ãâàì 㧫 
dec ecx
mov eax,1
cmp ecx,1
jl @f
shl eax,cl
@@:
add edx,eax ;ª®à¥ªâ¨à®¢ª  ¢ëá®âë ¯®¤ ¢®ªá¥«ì ­¨¦­¥£® ã஢­ï
mov ah,byte[edi+3]
add edi,4
mov al,8
.cycle:
bt ax,8 ;â¥áâ¨à㥬 ⮫쪮 ah
jnc .c_next
push eax ebx edx esi
stdcall vox_corect_coords_pl, [v_obj],1
stdcall draw_sub_vox_obj_1g, [buf_i],[buf_z],[v_obj]
pop esi edx ebx eax
.c_next:
shr ah,1
dec al
jnz .cycle
;¢ë室 ¨§ 㧫 
inc ecx
pop edx
jmp .end_f
.sub_trees:
cmp ecx,0
jl .end_0 ;­¥ à¨á㥬 ®ç¥­ì ¬ «¥­ìª¨¥ ¢®ªá¥«¨
;à¨á㥬 㧥«
mov eax,[edi]
and eax,0xffffff
cmp ecx,1
jl @f
;ª¢ ¤à â ¡®«ìè¥ â¥ªã饣® ¬ áèâ ¡ 
stdcall vox_draw_square_1g, [buf_i],[buf_z],eax
jmp .end_0
@@:
;ª¢ ¤à â ⥪ã饣® ¬ áèâ ¡ 
push ecx
mov ecx,eax
stdcall buf_get_pixel, [buf_z], ebx,edx
cmp eax,esi
jge .end_1
stdcall buf_set_pixel, [buf_i], ebx,edx,ecx
stdcall buf_set_pixel, [buf_z], ebx,edx,esi
.end_1:
pop ecx
.end_0:
add edi,4
.end_f:
ret
endp
;output:
; eax - à §àãè ¥âáï
align 4
proc vox_draw_square_1g uses ecx edx edi, buf_i:dword, buf_z:dword, color:dword
locals
img_size dd ?
coord_y dd ?
endl
mov edi,[buf_z]
xor eax,eax
inc eax
shl eax,cl
mov [img_size],eax
mov [coord_y],eax
.cycle_0:
push ebx
mov ecx,[img_size]
cld
.cycle_1:
push ecx
mov ecx,edx
call get_pixel_32
pop ecx
cmp eax,esi
jge @f
stdcall buf_set_pixel, [buf_i], ebx,edx, [color]
stdcall buf_set_pixel, edi, ebx,edx, esi
@@:
inc ebx
loop .cycle_1
pop ebx
inc edx
dec dword[coord_y]
jnz .cycle_0
ret
endp
;description:
; äã­ªæ¨ï à¨áãîé ï ¢®ªá¥«ì­ë© ®¡ê¥ªâ (¢¨¤­® 3 £à ­¨)
;input:
; buf_i - ¡ãä¥à ¢ ª®â®à®¬ à¨áã¥âáï (24 ¡¨â )
; buf_z - ¡ãä¥à £«ã¡¨­ë (32 ¡¨â  ¯® ç¨á«ã ¯¨ªá¥«¥© ¤®«¦¥­ ᮢ¯ ¤ âì á buf_i)
; h_br - ª¨áâì á ¨§®¡à ¦¥­¨ï¬¨ ¢®ªá¥«¥© (32 ¡¨â )
; v_obj - ¢®ªá¥«ì­ë© ®¡ê¥ªâ
; k_scale - ª®íä. ¤«ï ¬ áèâ ¡¨à®¢ ­¨ï ¨§®¡à ¦¥­¨ï
align 4
proc buf_vox_obj_draw_3g, buf_i:dword, buf_z:dword, h_br:dword, v_obj:dword,\
coord_x:dword, coord_y:dword, coord_z:dword, k_scale:dword
pushad
mov edi,[v_obj]
mov ecx,[k_scale]
mov ebx,[coord_x]
mov edx,[coord_y]
add edi,vox_offs_data
mov esi,[coord_z]
stdcall vox_go_in_node, [buf_i], [buf_z], [h_br], [v_obj]
popad
ret
endp
;description:
; äã­ªæ¨ï à¨áãîé ï ç áâì ¢®ªá¥«ì­®£® ®¡ê¥ªâ 
;input:
; buf_i - ¡ãä¥à ¢ ª®â®à®¬ à¨áã¥âáï (24 ¡¨â )
; buf_z - ¡ãä¥à £«ã¡¨­ë (32 ¡¨â  ¯® ç¨á«ã ¯¨ªá¥«¥© ¤®«¦¥­ ᮢ¯ ¤ âì á buf_i)
; h_br - ª¨áâì á ¨§®¡à ¦¥­¨ï¬¨ ¢®ªá¥«¥© (32 ¡¨â )
; v_obj - ¢®ªá¥«ì­ë© ®¡ê¥ªâ
; k_scale - ª®íä. ¤«ï ¬ áèâ ¡¨à®¢ ­¨ï ¨§®¡à ¦¥­¨ï
align 4
proc buf_vox_obj_draw_3g_scaled, buf_i:dword, buf_z:dword, h_br:dword, v_obj:dword,\
coord_x:dword, coord_y:dword, coord_z:dword, k_scale:dword,\
s_c_x:dword, s_c_y:dword, s_c_z:dword, s_k_scale:dword,b_color:dword
pushad
locals
p_node dd 0 ;த¨â¥«ì᪨© 㧥«
endl
mov edi,[v_obj]
add edi,vox_offs_data
mov ecx,[k_scale]
mov ebx,[coord_x]
;â¥á⮢ ï à ¬ª 
mov eax,[h_br]
movzx edx,byte[eax]
movzx esi,byte[eax+1]
cmp ecx,1
jl .end_c0
shl edx,cl
shl esi,cl
.end_c0:
;stdcall buf_rect_by_size, [buf_i], ebx,[coord_y],edx,esi, [b_color]
;¢¥à⨪ «ì­ ï ¯®«®á 
add ebx,edx
shr edx,cl
stdcall buf_rect_by_size, [buf_i], ebx,[coord_y],edx,esi, [b_color]
mov ecx,[s_k_scale]
shr esi,cl
xor eax,eax
inc eax
shl eax,cl
dec eax
sub eax,[s_c_z] ;§­ ç¥­¨ï ¯® ®á¨ z ¢®§à áâ îâ á ­¨§ã ¢¢¥àå
imul eax,esi
add eax,[coord_y]
stdcall buf_filled_rect_by_size, [buf_i], ebx,eax,edx,esi, [b_color]
mov ebx,[coord_y]
shl esi,cl
add ebx,esi
stdcall buf_vox_obj_get_img_w_3g, [h_br],[k_scale]
shr eax,1
mov esi,[h_br]
movzx esi,byte[esi+1]
;¯®«§ã­®ª
stdcall draw_polz_hor, [buf_i], [coord_x],ebx,eax,esi, [s_c_x], [s_k_scale], [b_color]
mov edx,[coord_x]
add edx,eax
;¯®«§ã­®ª
stdcall draw_polz_hor, [buf_i], edx,ebx,eax,esi, [s_c_y], [s_k_scale], [b_color]
;---
mov esi,[s_k_scale]
cmp esi,1
jl .end_2
; *** (1) ***
.found:
stdcall vox_obj_get_node_position, [v_obj],[s_c_x],[s_c_y],[s_c_z],esi
movzx bx,byte[edi+3]
mov [p_node],edi
add edi,4
cmp eax,0
je .end_1
mov ecx,eax
cld
@@: ;横« ¤«ï ¯à®¯ã᪠ ¯à¥¤ë¤ãé¨å ¯®¤¤¥à¥¢ì¥¢ ¢ 㧫¥
bt bx,0 ;¯à®¢¥à塞 ¥áâì «¨ ¤®ç¥à­¨¥ 㧫ë
jnc .end_0
xor eax,eax
stdcall vox_obj_rec0 ;¢ eax ¢ëç¨á«ï¥âáï ç¨á«® ¤®ç¥à­¨å 㧫®¢, ¢ ¤ ­­®© ¢¥â¢¨
.end_0:
shr bx,1
loop @b
.end_1:
bt bx,0
jnc .end_2 ;¥á«¨ ¯®¤¤¥à¥¢  ­¥ áãé¥áâ¢ã¥â
dec esi
cmp esi,0
jg .found
; *** (2) ***
;à¨á®¢ ­¨¥ ç á⨠®¡ê¥ªâ 
mov ecx,[k_scale]
mov ebx,[coord_x]
mov edx,[coord_y]
mov esi,[coord_z]
stdcall vox_go_in_node, [buf_i], [buf_z], [h_br], [v_obj]
.end_2:
popad
ret
endp
;input:
; h_br - ª¨áâì á ¨§®¡à ¦¥­¨ï¬¨ ¢®ªá¥«¥© (32 ¡¨â )
; ebx - coord_x
; edx - coord_y
; esi - coord_z
; ecx - ã஢¥­ì ⥪ã襣® 㧫 
; edi - 㪠§ â¥«ì ­  ¤ ­­ë¥ ¢®ªá¥«ì­®£® ®¡ê¥ªâ 
align 4
proc vox_go_in_node, buf_i:dword, buf_z:dword, h_br:dword, v_obj:dword
cmp byte[edi+3],0 ;ᬮâਬ ¥áâì «¨ ¯®¤¤¥à¥¢ìï
je .sub_trees
;४ãàᨢ­ë© ¯¥à¥¡®à ¯®¤¤¥à¥¢ì¥¢
push eax edx
;¯à®à¨á®¢ª  à ¬ª¨ ¥á«¨ à §¬¥à 㧫  = 1
cmp ecx,0
jne .end_2
push eax
stdcall vox_get_sub_brush,[h_br],0 ;®¯à¥¤¥«ï¥¬ ª¨áâì ¤«ï à¨á®¢ ­¨ï
cmp eax,0 ;¥á«¨ ª¨áâì ­¥ ­ ©¤¥­ 
je @f
stdcall draw_vox, [buf_i], [buf_z], eax, ebx,edx,esi, [edi]
@@:
pop eax
.end_2:
;¢å®¤ ¢­ãâàì 㧫 
dec ecx
;---
push ebx
;mov eax,(h-h_osn/2)
mov ebx,[h_br]
movzx eax,byte[ebx+1]
cmp byte[ebx+2],0
je @f
;¥á«¨ ª¨áâì á 3-¬ï £à ­ï¬¨
movzx ebx,byte[ebx+2]
shr ebx,1
sub eax,ebx
jmp .end_0
@@:
;¥á«¨ ª¨áâì á 2-¬ï £à ­ï¬¨
movzx ebx,byte[ebx]
shr ebx,1
.end_0:
cmp ecx,1
jl @f
shl eax,cl
shl ebx,cl
@@:
add esi,ebx
pop ebx
add edx,eax ;ª®à¥ªâ¨à®¢ª  ¢ëá®âë ¯®¤ ¢®ªá¥«ì ­¨¦­¥£® ã஢­ï
;---
mov ah,byte[edi+3]
add edi,4
mov al,8
.cycle:
bt ax,8 ;â¥áâ¨à㥬 ⮫쪮 ah
jnc .c_next
push ebx edx esi
stdcall vox_corect_coords, [h_br], [v_obj]
stdcall vox_go_in_node, [buf_i], [buf_z], [h_br], [v_obj]
pop esi edx ebx
.c_next:
shr ah,1
dec al
jnz .cycle
;¢ë室 ¨§ 㧫 
inc ecx
pop edx eax
jmp .end_f
.sub_trees:
;à¨á㥬 㧥«
push eax
stdcall vox_get_sub_brush,[h_br],ecx ;®¯à¥¤¥«ï¥¬ ª¨áâì ¤«ï à¨á®¢ ­¨ï
cmp eax,0 ;¥á«¨ ª¨áâì ­¥ ­ ©¤¥­ 
je @f
stdcall draw_vox, [buf_i], [buf_z], eax, ebx,edx,esi, [edi]
@@:
pop eax
add edi,4
.end_f:
ret
endp
;description:
; äã­ªæ¨ï à¨áãîé ï ®¤¨­®ç­ë© ¢®ªá¥«
;input:
; buf_i - ¡ãä¥à ¢ ª®â®à®¬ à¨áã¥âáï (24 ¡¨â )
; buf_z - ¡ãä¥à £«ã¡¨­ë (32 ¡¨â  ¯® ç¨á«ã ¯¨ªá¥«¥© ¤®«¦¥­ ᮢ¯ ¤ âì á buf_i)
; buf_v - ¡ãä¥à á ¨§®¡à ¦¥­¨¥¬ ¢®ªá¥«ï (32 ¡¨â )
; v_color - 梥â
align 4
proc draw_vox, buf_i:dword, buf_z:dword, buf_v:dword,\
coord_x:dword, coord_y:dword, coord_z:dword, v_color:dword
pushad
mov eax,[coord_x]
mov ebx,[coord_y]
mov edi,[buf_v]
mov ecx,buf2d_h
mov esi,buf2d_w
imul ecx,esi
add esi,eax
mov edx,buf2d_data
cld
;ecx - count pixels in voxel
;edx - 㪠§ â¥«ì ­  ¤ ­­ë¥ ¢ ¢®ªá¥«ì­®¬ ¡ãä¥à¥
;edi - 㪠§ â¥«ì ­  ¢®ªá¥«ì­ë© ¡ãä¥à
;esi - width voxel buffer add coord x
.cycle:
cmp dword[edx],0
je @f
;¯à®¢¥à塞 ¡ãä¥à £«ã¡¨­ë
push eax
stdcall buf_get_pixel, [buf_z],eax,ebx
sub eax,[coord_z]
cmp eax,[edx]
jl .dr_pixel
pop eax
jmp @f
.dr_pixel:
;à¨á㥬 â®çªã
pop eax
stdcall buf_set_pixel, [buf_i],eax,ebx,[v_color]
push ecx
mov ecx,[coord_z]
add ecx,[edx]
stdcall buf_set_pixel, [buf_z],eax,ebx,ecx
pop ecx
@@:
add edx,4
inc eax
cmp eax,esi
jl @f
inc ebx
sub eax,buf2d_w
@@:
loop .cycle
popad
ret
endp
;description:
;äã­ªæ¨ï ¤«ï ª®à¥ªâ¨à®¢ª¨ ª®®à¤¨­ â
;­ ¯à ¢«¥­¨ï ®á¥© ª®®à¤¨­ â ¢ ¢®ªá¥«¥:
;*z
;|
;+
; * y
; /
;+
; \
; * x
;input:
; al - ­®¬¥à 㧫  ¢ ¤¥à¥¢¥ (®â 1 ¤® 8)
; ebx - ª®®à¤¨­ â  x
; edx - ª®®à¤¨­ â  y
; esi - ª®®à¤¨­ â  z
; ecx - ã஢¥­ì ⥪ã襣® 㧫 
;output:
; ebx - ­®¢ ï ª®®à¤¨­ â  x
; edx - ­®¢ ï ª®®à¤¨­ â  y
; esi - ­®¢ ï ª®®à¤¨­ â  z
align 4
proc vox_corect_coords, h_br:dword, v_obj:dword
locals
osn_w_2 dd ? ;è¨à¨­  ®á­®¢ ­¨ï ¥¤¨­¨ç­®£® ¢®ªá¥«ï : 2
vox_h dd ? ;¢ëá®â  ¥¤¨­¨ç­®£® ¢®ªá¥«ï
endl
cmp ecx,0
jl .end_f ;¤«ï ã᪮७¨ï ®âà¨á®¢ª¨
push eax edi
and eax,15 ;¢ë¤¥«ï¥¬ ­®¬¥à 㧫  ¢ ¤¥à¥¢¥
mov edi,[v_obj]
add edi,vox_offs_tree_table
add edi,8
sub edi,eax
push ebx ecx
mov ebx,[h_br]
movzx ecx,byte[ebx]
shr ecx,1
mov dword[osn_w_2],ecx
movzx ecx,byte[ebx+2]
movzx ebx,byte[ebx+1]
sub ebx,ecx
mov dword[vox_h],ebx
shr ecx,1
mov eax,ecx ;eax - ¢ëá®â  ®á­®¢ ­¨ï ¥¤¨­¨ç­®£® ¢®ªá¥«ï : 2
pop ecx ebx
cmp ecx,1
jl @f ;¢® ¨§¡¥¦ ­¨¥ § æ¨ª«¨¢ ­¨ï
shl eax,cl
shl dword[osn_w_2],cl
shl dword[vox_h],cl
@@:
; add esi,eax ;¬¥­ï¥¬ £«ã¡¨­ã ¤«ï ¡ãä¥à  z (ª®¬¯¥­á æ¨ï ¤«ï ª®®à¤¨­ âë y)
bt word[edi],0 ;test voxel coord x
jnc @f
add ebx,[osn_w_2]
cmp eax,0
jne .end_0
add esi,[osn_w_2] ;¬¥­ï¥¬ £«ã¡¨­ã ¤«ï ¡ãä¥à  z
jmp @f
.end_0:
add edx,eax
add esi,eax ;¬¥­ï¥¬ £«ã¡¨­ã ¤«ï ¡ãä¥à  z
@@:
bt word[edi],1 ;test voxel coord y
jnc @f
add ebx,[osn_w_2]
cmp eax,0
jne .end_1
sub esi,[osn_w_2] ;¬¥­ï¥¬ £«ã¡¨­ã ¤«ï ¡ãä¥à  z
jmp @f
.end_1:
sub edx,eax
sub esi,eax ;¬¥­ï¥¬ £«ã¡¨­ã ¤«ï ¡ãä¥à  z
@@:
bt word[edi],2 ;test voxel coord z
jnc @f
sub edx,[vox_h]
@@:
pop edi eax
.end_f:
ret
endp
;¨§¢«¥ª ¥¬ ¨§ h_br 㪠§ â¥«ì ­  ¡ãä¥à á ¨§®¡à ¦¥­¨¥¬ ¢®ªá¥«ï, 㪠§ ­­®£® ¯®à浪  n
align 4
proc vox_get_sub_brush uses ebx ecx, h_br:dword, n:dword
xor eax,eax
mov ebx,[n]
cmp ebx,0
jl @f
mov ecx,[h_br]
cmp bl,byte[ecx+3]
jg @f
add ecx,4
imul ebx,BUF_STRUCT_SIZE
mov eax,ebx
add eax,ecx
@@:
ret
endp
;description:
; äã­ªæ¨ï à¨áãîé ï á१ ¢®ªá¥«ì­®£® ®¡ì¥ªâ 
;input:
; v_size - à §¬¥à ª¢ ¤à â  á ¢®ªá¥«¥¬
; k_scale - á⥯¥­ì ¤¥â «¨§ æ¨¨ ¨§®¡à ¦¥­¨ï
; n_plane - ­®¬¥à ¯«®áª®á⨠á¥ç­¨ï (¢ ¯à¥¤¥« å ®â 0 ¤® 2^k_scale - 1)
; b_color - 梥⠣࠭¨æë
align 4
proc buf_vox_obj_draw_pl, buf_i:dword, v_obj:dword, coord_x:dword,\
coord_y:dword, v_size:dword, k_scale:dword, n_plane:dword, b_color:dword
cmp [k_scale],0
jl .end_f
pushad
mov eax,[v_size]
mov ecx,[k_scale]
mov ebx,eax
cmp ecx,1
jl @f
shl ebx,cl
@@:
;ebx - ¯®«­ë© à §¬¥à ¨§®¡à ¦¥­¨ï
stdcall buf_rect_by_size, [buf_i], [coord_x],[coord_y],ebx,ebx, [b_color] ;à ¬ª  ­  à¨áã­®ª
mov edx,ebx
add ebx,[coord_y]
stdcall draw_polz_hor, [buf_i], [coord_x],ebx,edx,eax, [n_plane], [k_scale], [b_color] ;¯®«§ã­®ª, ¯®ª §ë¢ î騩 ­®¬¥à á¥ç¥­¨ï
;à¨á®¢ ­¨¥ â®ç¥ª ¤«ï á¥âª¨
push ecx
mov edi,1
cmp ecx,1
jl @f
shl edi,cl
@@:
dec edi
cmp edi,1
jl .end_0
mov ecx,edi
imul ecx,edi
mov ebx,[coord_x]
mov edx,[coord_y]
add edx,eax
xor esi,esi
cld
@@:
add ebx,eax
inc esi
stdcall buf_set_pixel, [buf_i], ebx,edx, [b_color]
cmp esi,edi
jl .end_1
;¯¥à¥å®¤ â®ç¥ª ­  ­®¢ãî áâபã
xor esi,esi
mov ebx,[coord_x]
add edx,eax
.end_1:
loop @b
.end_0:
pop ecx
;eax - à §¬¥à ®¤­®£® ª¢ ¤à â 
;edi - 㪠§ â¥«ì ­  à¨áã¥¬ë¥ ¤ ­­ë¥ ¨§ ®¡ê¥ªâ 
mov ebx,[coord_x]
mov edx,[coord_y]
mov edi,[v_obj]
add edi,vox_offs_data
xor esi,esi
push eax
mov eax,1
shl eax,cl
dec eax
sub eax,[n_plane]
stdcall draw_sub_vox_obj_pl, [buf_i],[v_obj],eax
popad
.end_f:
ret
endp
;description:
; äã­ªæ¨ï à¨áãîé ï á१ ç á⨠¢®ªá¥«ì­®£® ®¡ì¥ªâ 
;input:
; s_c_x, s_c_y, s_c_z, s_k_scale - ¯ à ¬¥âàë ®¯à¥¤¥«ïî騥 ç áâì ¢®ªá¥«ì­®£® ®¡ê¥ªâ , ª®â®à ï ¡ã¤¥â à¨á®¢ âìáï
align 4
proc buf_vox_obj_draw_pl_scaled, buf_i:dword, v_obj:dword, coord_x:dword,\
coord_y:dword, v_size:dword, k_scale:dword, n_plane:dword, b_color:dword,\
s_c_x:dword, s_c_y:dword, s_c_z:dword, s_k_scale:dword
cmp [k_scale],0
jl .end_f
pushad
locals
p_node dd 0 ;த¨â¥«ì᪨© 㧥«
endl
mov eax,[v_size]
mov ecx,[k_scale]
mov ebx,eax
cmp ecx,1
jl @f
shl ebx,cl
@@:
;ebx - ¯®«­ë© à §¬¥à ¨§®¡à ¦¥­¨ï
stdcall buf_rect_by_size, [buf_i], [coord_x],[coord_y],ebx,ebx, [b_color] ;à ¬ª  ­  à¨áã­®ª
mov edx,ebx
add ebx,[coord_y]
stdcall draw_polz_hor, [buf_i], [coord_x],ebx,edx,eax, [n_plane], [k_scale], [b_color] ;¯®«§ã­®ª, ¯®ª §ë¢ î騩 ­®¬¥à á¥ç¥­¨ï
;à¨á®¢ ­¨¥ â®ç¥ª ¤«ï á¥âª¨
push ecx
mov edi,1
cmp ecx,1
jl @f
shl edi,cl
@@:
dec edi
cmp edi,1
jl .end_3
mov ecx,edi
imul ecx,edi
mov ebx,[coord_x]
mov edx,[coord_y]
add edx,eax
xor esi,esi
cld
@@:
add ebx,eax
inc esi
stdcall buf_set_pixel, [buf_i], ebx,edx, [b_color]
cmp esi,edi
jl .end_4
;¯¥à¥å®¤ â®ç¥ª ­  ­®¢ãî áâபã
xor esi,esi
mov ebx,[coord_x]
add edx,eax
.end_4:
loop @b
.end_3:
pop ecx
mov esi,[s_k_scale]
cmp esi,1
jl .end_2
mov edi,[v_obj]
add edi,vox_offs_data
; *** (1) ***
.found:
stdcall vox_obj_get_node_position, [v_obj],[s_c_x],[s_c_y],[s_c_z],esi
movzx bx,byte[edi+3]
mov [p_node],edi
add edi,4
cmp eax,0
je .end_1
mov ecx,eax
cld
@@: ;横« ¤«ï ¯à®¯ã᪠ ¯à¥¤ë¤ãé¨å ¯®¤¤¥à¥¢ì¥¢ ¢ 㧫¥
bt bx,0 ;¯à®¢¥à塞 ¥áâì «¨ ¤®ç¥à­¨¥ 㧫ë
jnc .end_0
xor eax,eax
stdcall vox_obj_rec0 ;¢ eax ¢ëç¨á«ï¥âáï ç¨á«® ¤®ç¥à­¨å 㧫®¢, ¢ ¤ ­­®© ¢¥â¢¨
.end_0:
shr bx,1
loop @b
.end_1:
bt bx,0
jnc .end_2 ;¥á«¨ ¯®¤¤¥à¥¢  ­¥ áãé¥áâ¢ã¥â
dec esi
cmp esi,0
jg .found
mov eax,[v_size]
;eax - à §¬¥à ®¤­®£® ª¢ ¤à â 
;edi - 㪠§ â¥«ì ­  à¨áã¥¬ë¥ ¤ ­­ë¥ ¨§ ®¡ê¥ªâ 
mov ecx,[k_scale]
mov ebx,[coord_x]
mov edx,[coord_y]
xor esi,esi
push eax
mov eax,1
shl eax,cl
dec eax
sub eax,[n_plane]
stdcall draw_sub_vox_obj_pl, [buf_i],[v_obj], eax
.end_2:
popad
.end_f:
ret
endp
;description:
; ®¯à¥¤¥«¥­¨¥ ¯®§¨æ¨¨ 㧫  ¢ ¤¥à¥¢¥ (®â 0 ¤® 7)
align 4
proc vox_obj_get_node_position uses ebx ecx edi, v_obj:dword,\
coord_x:dword,coord_y:dword,coord_z:dword,k_scale:dword
mov ecx,[k_scale]
dec ecx
mov eax,[coord_x]
mov ebx,[coord_y]
mov edi,[coord_z]
cmp ecx,1
jl .end_0
shr eax,cl
shr ebx,cl
shr edi,cl
.end_0:
and eax,1
bt ebx,0
jnc @f
bts eax,1
@@:
bt edi,0
jnc @f
bts eax,2
@@:
mov edi,[v_obj]
add edi,vox_offs_tree_table
@@:
cmp al,byte[edi]
je @f
inc edi
jmp @b
@@:
sub edi,[v_obj]
sub edi,vox_offs_tree_table
mov eax,edi
ret
endp
;input:
; edi - 㪠§ â¥«ì ­  ¤ ­­ë¥ ¢®ªá¥«ì­®£® ®¡ê¥ªâ 
;output:
; eax - eax + ç¨á«® 㧫®¢ ¢ ¤ ­­ëå ¢®ªá. ®¡ê¥ªâ 
; edi - 㪠§ â¥«ì ­  ᬥ饭­ë¥ ¤ ­­ë¥ ¢®ªá. ®¡ê¥ªâ 
align 4
proc vox_obj_rec0
inc eax
cmp byte[edi+3],0 ;ᬮâਬ ¥áâì «¨ ¯®¤¤¥à¥¢ìï
je .sub_trees
;४ãàᨢ­ë© ¯¥à¥¡®à ¯®¤¤¥à¥¢ì¥¢
push ebx ecx
mov bh,byte[edi+3]
add edi,4
mov bl,8
.cycle:
bt bx,8 ;â¥áâ¨à㥬 ⮫쪮 bh
jnc .c_next
stdcall vox_obj_rec0
.c_next:
shr bh,1
dec bl
jnz .cycle
pop ecx ebx
jmp .end_f
.sub_trees:
add edi,4
.end_f:
ret
endp
;description:
; äã­ªæ¨ï à¨áãîé ï £®à¨§®­â «ì­ãî ¯®«®áã á ¯®«§ã­ª®¬
align 4
proc draw_polz_hor uses eax ebx ecx, buf:dword, coord_x:dword, coord_y:dword,\
size_x:dword, size_y:dword, pos:dword, k_scale:dword, color:dword
mov ebx,[size_x]
stdcall buf_rect_by_size, [buf], [coord_x],[coord_y],ebx,[size_y], [color]
mov ecx,[k_scale]
shr ebx,cl
mov eax,[pos]
imul eax,ebx
add eax,[coord_x]
stdcall buf_filled_rect_by_size, [buf], eax,[coord_y],ebx,[size_y], [color]
ret
endp
;input:
; ebx - coord_x
; edx - coord_y
; esi - coord_z
; ecx - ã஢¥­ì ⥪ã襣® 㧫 
; edi - 㪠§ â¥«ì ­  ¤ ­­ë¥ ¢®ªá¥«ì­®£® ®¡ê¥ªâ 
align 4
proc draw_sub_vox_obj_pl, buf_i:dword, v_obj:dword, clip_z:dword,\
v_size:dword
cmp byte[edi+3],0 ;ᬮâਬ ¥áâì «¨ ¯®¤¤¥à¥¢ìï
je .sub_trees
;¯à®à¨á®¢ª  à ¬ª¨ ¥á«¨ à §¬¥à 㧫  = 1
cmp ecx,0
jne @f
;¯à®¢¥àª  £«ã¡¨­ë esi
;clip_z=n_plane
stdcall vox_is_clip, [clip_z];,[v_size]
cmp eax,0
je @f
push ecx
mov ecx,dword[edi]
and ecx,0xffffff
stdcall buf_rect_by_size, [buf_i], ebx,edx, [v_size],[v_size],ecx
pop ecx
@@:
;४ãàᨢ­ë© ¯¥à¥¡®à ¯®¤¤¥à¥¢ì¥¢
push edx
;¢å®¤ ¢­ãâàì 㧫 
dec ecx
mov eax,[v_size]
cmp ecx,1
jl @f
shl eax,cl
@@:
add edx,eax ;ª®à¥ªâ¨à®¢ª  ¢ëá®âë ¯®¤ ¢®ªá¥«ì ­¨¦­¥£® ã஢­ï
mov ah,byte[edi+3]
add edi,4
mov al,8
.cycle:
bt ax,8 ;â¥áâ¨à㥬 ⮫쪮 ah
jnc .c_next
push eax ebx edx esi
stdcall vox_corect_coords_pl, [v_obj],[v_size]
stdcall draw_sub_vox_obj_pl, [buf_i],[v_obj],[clip_z],[v_size]
pop esi edx ebx eax
.c_next:
shr ah,1
dec al
jnz .cycle
;¢ë室 ¨§ 㧫 
inc ecx
pop edx
jmp .end_f
.sub_trees:
cmp ecx,0
jl .end_0 ;­¥ à¨á㥬 ®ç¥­ì ¬ «¥­ìª¨¥ ¢®ªá¥«¨
;¯à®¢¥àª  £«ã¡¨­ë esi
;clip_z=n_plane
stdcall vox_is_clip, [clip_z]
cmp eax,0
je .end_0
;à¨á㥬 㧥«
mov eax,[edi]
and eax,0xffffff
push eax ;梥â 㧫 
mov eax,[v_size]
cmp ecx,1
jl @f
;ª¢ ¤à â ¡®«ìè¥ â¥ªã饣® ¬ áèâ ¡ 
shl eax,cl ;à §¬¥à 㧫 
stdcall buf_filled_rect_by_size, [buf_i], ebx,edx, eax,eax
push ebx edx esi
mov esi,eax
inc ebx
inc edx
sub esi,2
mov eax,[buf_i]
push dword 128
push dword[eax+16] ;+16 - b_color
stdcall combine_colors_3,[edi]
stdcall buf_rect_by_size, [buf_i], ebx,edx, esi,esi,eax
pop esi edx ebx
jmp .end_0
@@:
;ª¢ ¤à â ⥪ã饣® ¬ áèâ ¡ 
stdcall buf_filled_rect_by_size, [buf_i], ebx,edx, eax,eax
.end_0:
add edi,4
.end_f:
ret
endp
;description:
; ¢á¯®¬®£ â¥«ì­ ï äã­ªæ¨ï ¤«ï ¯à®¢¥àª¨ £«ã¡¨­ë esi
;input:
; ecx - ã஢¥­ì ⥪ã襣® 㧫 
; esi - coord z
; clip_z - n_plane
;output:
; eax - 0 if no draw, 1 if draw
align 4
proc vox_is_clip uses ebx edi, clip_z:dword
xor eax,eax
mov ebx,[clip_z]
mov edi,1
cmp ecx,1
jl @f
shl edi,cl
@@:
;edi = 2^ecx
add edi,esi
cmp edi,ebx ;if (esi+2^ecx <= n_plane) no draw
jle @f
inc ebx
cmp esi,ebx ;if (esi >= (n_plane+1)) no draw
jge @f
inc eax
@@:
ret
endp
;äã­ªæ¨ï ¤«ï ª®à¥ªâ¨à®¢ª¨ ª®®à¤¨­ â
;­ ¯à ¢«¥­¨ï ®á¥© ª®®à¤¨­ â ¢ ¢®ªá¥«¥:
;*z
;|
;+-* x
;input:
; al - ­®¬¥à 㧫  ¢ ¤¥à¥¢¥ (®â 1 ¤® 8)
; ebx - ª®®à¤¨­ â  x
; edx - ª®®à¤¨­ â  y
; esi - ª®®à¤¨­ â  z
; ecx - ã஢¥­ì ⥪ã襣® 㧫 
;output:
; ebx - ­®¢ ï ª®®à¤¨­ â  x
; edx - ­®¢ ï ª®®à¤¨­ â  y
; esi - ­®¢ ï ª®®à¤¨­ â  z
align 4
proc vox_corect_coords_pl, v_obj:dword, v_size:dword
cmp ecx,0
jl .end_f ;¤«ï ã᪮७¨ï ®âà¨á®¢ª¨
push eax edi
and eax,15 ;¢ë¤¥«ï¥¬ ­®¬¥à 㧫  ¢ ¤¥à¥¢¥
mov edi,[v_obj]
add edi,vox_offs_tree_table
add edi,8
sub edi,eax
mov eax,[v_size]
cmp ecx,1
jl @f
shl eax,cl
@@:
bt word[edi],0 ;test voxel coord x
jnc @f
add ebx,eax
@@:
bt word[edi],2 ;test voxel coord z
jnc @f
sub edx,eax
@@:
bt word[edi],1 ;test voxel coord y
jc @f
mov eax,1
cmp ecx,1
jl .end_0
shl eax,cl
.end_0:
add esi,eax ;¬¥­ï¥¬ £«ã¡¨­ã ¤«ï ¡ãä¥à  z
@@:
pop edi eax
.end_f:
ret
endp
;description:
; äã­ªæ¨ï à¨áãîé ï ⥭¨
;input:
; buf_i - ¡ãä¥à ¢ ª®â®à®¬ à¨áã¥âáï (24 ¡¨â )
; buf_z - ¡ãä¥à £«ã¡¨­ë (32 ¡¨â  ¯® ç¨á«ã ¯¨ªá¥«¥© ¤®«¦¥­ ᮢ¯ ¤ âì á buf_i)
; h_br - ª¨áâì á ¨§®¡à ¦¥­¨ï¬¨ ¢®ªá¥«¥© (32 ¡¨â )
; k_scale - ª®íä. ¤«ï ¬ áèâ ¡¨à®¢ ­¨ï ¨§®¡à ¦¥­¨ï
align 4
proc buf_vox_obj_draw_3g_shadows, buf_i:dword, buf_z:dword, h_br:dword, \
coord_x:dword, coord_y:dword, color:dword, k_scale:dword, prop:dword
locals
correct_z dd 0 ;ª®à¥ªâ¨à®¢ª  ¤«ï ¡ãä¥à  £«ã¡¨­ë
endl
pushad
mov eax,[k_scale]
add eax,[prop]
mov dword[correct_z],8
sub [correct_z],eax
mov ebx,[coord_x]
;correct_z = 8-k_scale-prop
stdcall buf_vox_obj_get_img_w_3g, [h_br],[k_scale]
mov edx,eax ;edx - è¨à¨­  ¨§®¡à ¦¥­¨ï
stdcall buf_vox_obj_get_img_h_3g, [h_br],[k_scale]
mov esi,eax
mov edi,[coord_y]
mov ecx,edx
add edx,ebx ;è¨à¨­  + ®âáâ㯠᫥¢ 
imul ecx,esi
cld
.cycle_0:
stdcall buf_get_pixel, [buf_z],ebx,edi
cmp eax,0
je @f
stdcall vox_correct_z, [correct_z]
push eax
stdcall buf_get_pixel, [buf_i],ebx,edi
stdcall combine_colors_3,eax,[color] ;,eax
stdcall buf_set_pixel, [buf_i],ebx,edi,eax
@@:
inc ebx
cmp ebx,edx
jl @f
mov ebx,[coord_x]
inc edi
@@:
loop .cycle_0
popad
ret
endp
;output:
; eax - scaled coord z
align 4
proc vox_correct_z uses ecx, correct_z:dword
mov ecx,[correct_z]
cmp ecx,0
je .end_f
jl .end_0
shl eax,cl
jmp .end_f
.end_0:
neg ecx
inc ecx
shr eax,cl
.end_f:
ret
endp
;output:
; eax - color
align 4
proc combine_colors_3 uses ebx ecx edx edi esi, col_0:dword, col_1:dword, alpha:dword
mov ebx,[col_0]
mov ecx,[col_1]
movzx di,byte[alpha] ;pro
mov si,0x00ff ;---get transparent---
sub si,di ;256-pro
;---blye---
movzx ax,bl
imul ax,si
movzx dx,cl
imul dx,di
add ax,dx
mov cl,ah
;---green---
movzx ax,bh
imul ax,si
movzx dx,ch
imul dx,di
add ax,dx
mov ch,ah
shr ebx,16
ror ecx,16
;---red---
movzx ax,bl
imul ax,si
movzx dx,cl
imul dx,di
add ax,dx
shl eax,8
ror ecx,16
mov ax,cx
and eax,0xffffff
ret
endp
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