Mercurial > vba-clojure

     1 ;/*---------------------------------------------------------------------*

     2 ; * The following (piece of) code, (part of) the 2xSaI engine,          *

     3 ; * copyright (c) 1999 - 2001 by Derek Liauw Kie Fa.                    *

     4 ; * Non-Commercial use of this software is allowed and is encouraged,   *

     5 ; * provided that appropriate credit be given.                          *

     6 ; * You may freely modify this code, but I request                      *

     7 ; * that any improvements to the engine be submitted to me, so          *

     8 ; * that I can implement these improvements in newer versions of        *

     9 ; * the software.                                                       *

    10 ; * If you need more information, have any comments or suggestions,     *

    11 ; * you can e-mail me. My e-mail: derek-liauw@usa.net.                  *

    12 ; *---------------------------------------------------------------------*/

    13 

    14 ;----------------------

    15 ; 2xSaI version 0.59 WIP, soon to become version 0.60

    16 ;----------------------

    17 

    18 ;%define FAR_POINTER

    19 

    20 

    21 

    22           BITS 32

    23 %ifdef __DJGPP__

    24           GLOBAL __2xSaILine

    25           GLOBAL __2xSaISuperEagleLine

    26                   GLOBAL __2xSaISuper2xSaILine

    27           GLOBAL _Init_2xSaIMMX

    28 %else

    29           GLOBAL _2xSaILine

    30           GLOBAL _2xSaISuperEagleLine

    31                   GLOBAL _2xSaISuper2xSaILine

    32           GLOBAL Init_2xSaIMMX

    33 %endif

    34           SECTION .text ALIGN = 32

    35 

    36 %ifdef FAR_POINTER

    37 ;EXTERN_C void _2xSaILine (uint8 *srcPtr, uint32 srcPitch, uint32 width,

    38 ;                        uint8 *dstPtr, uint32 dstPitch, uint16 dstSegment);

    39 %else

    40 ;EXTERN_C void _2xSaILine (uint8 *srcPtr, uint32 srcPitch, uint32 width,

    41 ;                        uint8 *dstPtr, uint32 dstPitch);

    42 %endif

    43 

    44 srcPtr        equ 8

    45 deltaPtr      equ 12

    46 srcPitch      equ 16

    47 width         equ 20

    48 dstOffset     equ 24

    49 dstPitch      equ 28

    50 dstSegment    equ 32

    51 

    52 

    53 

    54 

    55 colorB0   equ -2

    56 colorB1   equ 0

    57 colorB2   equ 2

    58 colorB3   equ 4

    59 

    60 color7   equ -2

    61 color8   equ 0

    62 color9   equ 2

    63 

    64 color4   equ -2

    65 color5   equ 0

    66 color6   equ 2

    67 colorS2   equ 4

    68 

    69 color1   equ -2

    70 color2   equ 0

    71 color3   equ 2

    72 colorS1   equ 4

    73 

    74 colorA0   equ -2

    75 colorA1   equ 0

    76 colorA2   equ 2

    77 colorA3   equ 4

    78 

    79 

    80 

    81 

    82 %ifdef __DJGPP__

    83 __2xSaISuper2xSaILine:

    84 %else

    85 _2xSaISuper2xSaILine:

    86 %endif

    87 ; Store some stuff

    88          push ebp

    89          mov ebp, esp

    90          pushad

    91 

    92 ; Prepare the destination

    93 %ifdef FAR_POINTER

    94          ; Set the selector

    95          mov eax, [ebp+dstSegment]

    96          mov fs, ax

    97 %endif

    98          mov edx, [ebp+dstOffset]         ; edx points to the screen

    99 ; Prepare the source

   100          ; eax points to colorA

   101          mov eax, [ebp+srcPtr]                          ;eax points to colorA

   102          mov ebx, [ebp+srcPitch]                        ;ebx contains the source pitch

   103          mov ecx, [ebp+width]                           ;ecx contains the number of pixels to process

   104          ; eax now points to colorB1

   105          sub eax, ebx                                           ;eax points to B1 which is the base 

   106 

   107 ; Main Loop

   108 .Loop:   push ecx

   109 

   110          ;-----Check Delta------------------

   111          mov ecx, [ebp+deltaPtr]

   112 

   113 

   114                 ;load source img

   115          movq mm0, [eax+colorB0]

   116          movq mm1, [eax+colorB3]

   117          movq mm2, [eax+ebx+color4]

   118          movq mm3, [eax+ebx+colorS2]

   119          movq mm4, [eax+ebx+ebx+color1]

   120          movq mm5, [eax+ebx+ebx+colorS1]

   121          push eax

   122          add eax, ebx

   123          movq mm6, [eax+ebx+ebx+colorA0]

   124          movq mm7, [eax+ebx+ebx+colorA3]

   125          pop eax

   126 

   127                 ;compare to delta

   128          pcmpeqw mm0, [ecx+2+colorB0]

   129          pcmpeqw mm1, [ecx+2+colorB3]

   130          pcmpeqw mm2, [ecx+ebx+2+color4]

   131          pcmpeqw mm3, [ecx+ebx+2+colorS2]

   132          pcmpeqw mm4, [ecx+ebx+ebx+2+color1]

   133          pcmpeqw mm5, [ecx+ebx+ebx+2+colorS1]

   134          add ecx, ebx

   135          pcmpeqw mm6, [ecx+ebx+ebx+2+colorA0]

   136          pcmpeqw mm7, [ecx+ebx+ebx+2+colorA3]

   137          sub ecx, ebx

   138 

   139 

   140                 ;compose results

   141          pand mm0, mm1

   142          pand mm2, mm3

   143          pand mm4, mm5

   144          pand mm6, mm7

   145          pand mm0, mm2

   146          pand mm4, mm6

   147          pxor mm7, mm7

   148          pand mm0, mm4

   149          movq mm6, [eax+colorB0]

   150          pcmpeqw mm7, mm0                       ;did any compare give us a zero ?

   151 

   152          movq [ecx+2+colorB0], mm6

   153 

   154          packsswb mm7, mm7

   155          movd ecx, mm7

   156          test ecx, ecx                          

   157          jz near .SKIP_PROCESS          ;no, so we can skip

   158 

   159          ;End Delta

   160 

   161          ;---------------------------------

   162          movq mm0, [eax+ebx+color5]

   163          movq mm1, [eax+ebx+color6]

   164          movq mm2, mm0

   165          movq mm3, mm1

   166          movq mm4, mm0

   167          movq mm5, mm1

   168 

   169          pand mm0, [colorMask]

   170          pand mm1, [colorMask]

   171 

   172          psrlw mm0, 1

   173          psrlw mm1, 1

   174 

   175          pand mm3, [lowPixelMask]

   176          paddw mm0, mm1

   177 

   178          pand mm3, mm2

   179          paddw mm0, mm3                ;mm0 contains the interpolated values

   180          movq [I56Pixel], mm0

   181          movq mm7, mm0

   182 

   183          ;-------------------

   184          movq mm0, mm7

   185          movq mm1, mm4  ;5,5,5,6

   186          movq mm2, mm0

   187          movq mm3, mm1

   188 

   189          pand mm0, [colorMask]

   190          pand mm1, [colorMask]

   191 

   192          psrlw mm0, 1

   193          psrlw mm1, 1

   194 

   195          pand mm3, [lowPixelMask]

   196          paddw mm0, mm1

   197 

   198          pand mm3, mm2

   199          paddw mm0, mm3                ;mm0 contains the interpolated values

   200          movq [I5556Pixel], mm0

   201          ;--------------------

   202 

   203          movq mm0, mm7

   204          movq mm1, mm5  ;6,6,6,5

   205          movq mm2, mm0

   206          movq mm3, mm1

   207 

   208          pand mm0, [colorMask]

   209          pand mm1, [colorMask]

   210 

   211          psrlw mm0, 1

   212          psrlw mm1, 1

   213 

   214          pand mm3, [lowPixelMask]

   215          paddw mm0, mm1

   216 

   217          pand mm3, mm2

   218          paddw mm0, mm3

   219          movq [I5666Pixel], mm0

   220 

   221          ;-------------------------

   222          ;-------------------------

   223          movq mm0, [eax+ebx+ebx+color2]

   224          movq mm1, [eax+ebx+ebx+color3]

   225          movq mm2, mm0

   226          movq mm3, mm1

   227          movq mm4, mm0

   228          movq mm5, mm1

   229 

   230          pand mm0, [colorMask]

   231          pand mm1, [colorMask]

   232 

   233          psrlw mm0, 1

   234          psrlw mm1, 1

   235 

   236          pand mm3, [lowPixelMask]

   237          paddw mm0, mm1

   238 

   239          pand mm3, mm2

   240          paddw mm0, mm3

   241          movq [I23Pixel], mm0

   242          movq mm7, mm0

   243 

   244          ;---------------------

   245          movq mm0, mm7

   246          movq mm1, mm4  ;2,2,2,3

   247          movq mm2, mm0

   248          movq mm3, mm1

   249 

   250          pand mm0, [colorMask]

   251          pand mm1, [colorMask]

   252 

   253          psrlw mm0, 1

   254          psrlw mm1, 1

   255 

   256          pand mm3, [lowPixelMask]

   257          paddw mm0, mm1

   258 

   259          pand mm3, mm2

   260          paddw mm0, mm3

   261          movq [I2223Pixel], mm0

   262 

   263          ;----------------------

   264          movq mm0, mm7

   265          movq mm1, mm5  ;3,3,3,2

   266          movq mm2, mm0

   267          movq mm3, mm1

   268 

   269          pand mm0, [colorMask]

   270          pand mm1, [colorMask]

   271 

   272          psrlw mm0, 1

   273          psrlw mm1, 1

   274 

   275          pand mm3, [lowPixelMask]

   276          paddw mm0, mm1

   277 

   278          pand mm3, mm2

   279          paddw mm0, mm3

   280          movq [I2333Pixel], mm0

   281 

   282 

   283          ;--------------------

   284 ;////////////////////////////////

   285 ; Decide which "branch" to take

   286 ;--------------------------------

   287          movq mm0, [eax+ebx+color5]

   288          movq mm1, [eax+ebx+color6]

   289          movq mm6, mm0

   290          movq mm7, mm1

   291          pcmpeqw mm0, [eax+ebx+ebx+color3]

   292          pcmpeqw mm1, [eax+ebx+ebx+color2]

   293          pcmpeqw mm6, mm7

   294 

   295          movq mm2, mm0

   296          movq mm3, mm0

   297 

   298          pand mm0, mm1       ;colorA == colorD && colorB == colorC

   299          pxor mm7, mm7

   300 

   301          pcmpeqw mm2, mm7

   302          pand mm6, mm0

   303          pand mm2, mm1       ;colorA != colorD && colorB == colorC

   304 

   305          pcmpeqw mm1, mm7

   306 

   307          pand mm1, mm3       ;colorA == colorD && colorB != colorC

   308          pxor mm0, mm6

   309          por mm1, mm6

   310          movq mm7, mm0

   311          movq [Mask26], mm2

   312          packsswb mm7, mm7

   313          movq [Mask35], mm1

   314 

   315          movd ecx, mm7

   316          test ecx, ecx

   317          jz near .SKIP_GUESS

   318 

   319 ;---------------------------------------------

   320          movq mm6, mm0

   321          movq mm4, [eax+ebx+colorA]

   322          movq mm5, [eax+ebx+colorB]

   323          pxor mm7, mm7

   324          pand mm6, [ONE]

   325 

   326          movq mm0, [eax+colorE]

   327          movq mm1, [eax+ebx+colorG]

   328          movq mm2, mm0

   329          movq mm3, mm1

   330          pcmpeqw mm0, mm4

   331          pcmpeqw mm1, mm4

   332          pcmpeqw mm2, mm5

   333          pcmpeqw mm3, mm5

   334          pand mm0, mm6

   335          pand mm1, mm6

   336          pand mm2, mm6

   337          pand mm3, mm6

   338          paddw mm0, mm1

   339          paddw mm2, mm3

   340 

   341          pxor mm3, mm3

   342          pcmpgtw mm0, mm6

   343          pcmpgtw mm2, mm6

   344          pcmpeqw mm0, mm3

   345          pcmpeqw mm2, mm3

   346          pand mm0, mm6

   347          pand mm2, mm6

   348          paddw mm7, mm0

   349          psubw mm7, mm2

   350 

   351          movq mm0, [eax+colorF]

   352          movq mm1, [eax+ebx+colorK]

   353          movq mm2, mm0

   354          movq mm3, mm1

   355          pcmpeqw mm0, mm4

   356          pcmpeqw mm1, mm4

   357          pcmpeqw mm2, mm5

   358          pcmpeqw mm3, mm5

   359          pand mm0, mm6

   360          pand mm1, mm6

   361          pand mm2, mm6

   362          pand mm3, mm6

   363          paddw mm0, mm1

   364          paddw mm2, mm3

   365 

   366          pxor mm3, mm3

   367          pcmpgtw mm0, mm6

   368          pcmpgtw mm2, mm6

   369          pcmpeqw mm0, mm3

   370          pcmpeqw mm2, mm3

   371          pand mm0, mm6

   372          pand mm2, mm6

   373          paddw mm7, mm0

   374          psubw mm7, mm2

   375 

   376          push eax

   377          add eax, ebx

   378          movq mm0, [eax+ebx+colorH]

   379          movq mm1, [eax+ebx+ebx+colorN]

   380          movq mm2, mm0

   381          movq mm3, mm1

   382          pcmpeqw mm0, mm4

   383          pcmpeqw mm1, mm4

   384          pcmpeqw mm2, mm5

   385          pcmpeqw mm3, mm5

   386          pand mm0, mm6

   387          pand mm1, mm6

   388          pand mm2, mm6

   389          pand mm3, mm6

   390          paddw mm0, mm1

   391          paddw mm2, mm3

   392 

   393          pxor mm3, mm3

   394          pcmpgtw mm0, mm6

   395          pcmpgtw mm2, mm6

   396          pcmpeqw mm0, mm3

   397          pcmpeqw mm2, mm3

   398          pand mm0, mm6

   399          pand mm2, mm6

   400          paddw mm7, mm0

   401          psubw mm7, mm2

   402 

   403          movq mm0, [eax+ebx+colorL]

   404          movq mm1, [eax+ebx+ebx+colorO]

   405          movq mm2, mm0

   406          movq mm3, mm1

   407          pcmpeqw mm0, mm4

   408          pcmpeqw mm1, mm4

   409          pcmpeqw mm2, mm5

   410          pcmpeqw mm3, mm5

   411          pand mm0, mm6

   412          pand mm1, mm6

   413          pand mm2, mm6

   414          pand mm3, mm6

   415          paddw mm0, mm1

   416          paddw mm2, mm3

   417 

   418          pxor mm3, mm3

   419          pcmpgtw mm0, mm6

   420          pcmpgtw mm2, mm6

   421          pcmpeqw mm0, mm3

   422          pcmpeqw mm2, mm3

   423          pand mm0, mm6

   424          pand mm2, mm6

   425          paddw mm7, mm0

   426          psubw mm7, mm2

   427 

   428          pop eax

   429          movq mm1, mm7

   430          pxor mm0, mm0

   431          pcmpgtw mm7, mm0

   432          pcmpgtw mm0, mm1

   433 

   434          por mm7, [Mask35]

   435          por mm0, [Mask26] 

   436          movq [Mask35], mm7

   437          movq [Mask26], mm0

   438 

   439 .SKIP_GUESS:

   440 

   441          ;Start the ASSEMBLY !!!        eh... compose all the results together to form the final image...

   442 

   443                  

   444          movq mm0, [eax+ebx+color5]

   445          movq mm1, [eax+ebx+ebx+color2]

   446          movq mm2, mm0

   447          movq mm3, mm1

   448          movq mm4, mm0

   449          movq mm5, mm1

   450 

   451          pand mm0, [colorMask]

   452          pand mm1, [colorMask]

   453 

   454          psrlw mm0, 1

   455          psrlw mm1, 1

   456 

   457          pand mm3, [lowPixelMask]

   458          paddw mm0, mm1

   459 

   460          pand mm3, mm2

   461          paddw mm0, mm3                ;mm0 contains the interpolated values

   462                  ;---------------------------

   463 

   464 

   465 

   466 %ifdef dfhsdfhsdahdsfhdsfh

   467 

   468                 if (color5 == color3 && color2 != color6 && color4 == color5 && color5 != colorA2)

   469                    product2a = INTERPOLATE (color2, color5);

   470                 else

   471                 if (color5 == color1 && color6 == color5 && color4 != color2 && color5 != colorA0)

   472                    product2a = INTERPOLATE(color2, color5);

   473                 else

   474                    product2a = color2;

   475 

   476                 if (color2 == color6 && color5 != color3 && color1 == color2 && color2 != colorB2)

   477                    product1a = INTERPOLATE (color2, color5);

   478                 else

   479                 if (color4 == color2 && color3 == color2 && color1 != color5 && color2 != colorB0)

   480                    product1a = INTERPOLATE(color2, color5);

   481                 else

   482                    product1a = color5;

   483 

   484 %endif

   485 

   486 

   487                  movq mm7, [Mask26]

   488                  movq mm6, [eax+colorB2]

   489                  movq mm5, [eax+ebx+ebx+color2]

   490                  movq mm4, [eax+ebx+ebx+color1]

   491                  pcmpeqw mm4, mm5

   492                  pcmpeqw mm6, mm5

   493                  pxor mm5, mm5

   494                  pand mm7, mm4

   495                  pcmpeqw mm6, mm5

   496                  pand mm7, mm6

   497 

   498 

   499 

   500                  movq mm6, [eax+ebx+ebx+color3]

   501                  movq mm5, [eax+ebx+ebx+color2]

   502                  movq mm4, [eax+ebx+ebx+color1]

   503                  movq mm2, [eax+ebx+color5]

   504                  movq mm1, [eax+ebx+color4]

   505                  movq mm3, [eax+colorB0]

   506 

   507                  pcmpeqw mm2, mm4

   508                  pcmpeqw mm6, mm5

   509                  pcmpeqw mm1, mm5

   510                  pcmpeqw mm3, mm5

   511                  pxor mm5, mm5

   512                  pcmpeqw mm2, mm5

   513                  pcmpeqw mm3, mm5

   514                  pand mm6, mm1

   515                  pand mm2, mm3

   516                  pand mm6, mm2

   517                  por mm7, mm6

   518 

   519                  

   520                  movq mm6, mm7

   521                  pcmpeqw mm6, mm5

   522                  pand mm7, mm0

   523 

   524                  movq mm1, [eax+ebx+color5]

   525                  pand mm6, mm1

   526                  por mm7, mm6

   527                  movq [final1a], mm7                    ;finished  1a

   528 

   529 

   530          

   531              ;--------------------------------           

   532 

   533                  movq mm7, [Mask35]

   534                  push eax

   535                  add eax, ebx

   536                  movq mm6, [eax+ebx+ebx+colorA2]

   537                  pop eax

   538                  movq mm5, [eax+ebx+color5]

   539                  movq mm4, [eax+ebx+color4]

   540                  pcmpeqw mm4, mm5

   541                  pcmpeqw mm6, mm5

   542                  pxor mm5, mm5

   543                  pand mm7, mm4

   544                  pcmpeqw mm6, mm5

   545                  pand mm7, mm6

   546 

   547 

   548 

   549                  movq mm6, [eax+ebx+color6]

   550                  movq mm5, [eax+ebx+color5]

   551                  movq mm4, [eax+ebx+color4]

   552                  movq mm2, [eax+ebx+ebx+color2]

   553                  movq mm1, [eax+ebx+ebx+color1]

   554                  push eax

   555                  add eax, ebx

   556                  movq mm3, [eax+ebx+ebx+colorA0]

   557                  pop eax

   558 

   559                  pcmpeqw mm2, mm4

   560                  pcmpeqw mm6, mm5

   561                  pcmpeqw mm1, mm5

   562                  pcmpeqw mm3, mm5

   563                  pxor mm5, mm5

   564                  pcmpeqw mm2, mm5

   565                  pcmpeqw mm3, mm5

   566                  pand mm6, mm1

   567                  pand mm2, mm3

   568                  pand mm6, mm2

   569                  por mm7, mm6

   570 

   571                  

   572                  movq mm6, mm7

   573                  pcmpeqw mm6, mm5

   574                  pand mm7, mm0

   575 

   576                  movq mm1, [eax+ebx+ebx+color2]

   577                  pand mm6, mm1

   578                  por mm7, mm6

   579                  movq [final2a], mm7                    ;finished  2a

   580 

   581 

   582                  ;--------------------------------------------

   583  

   584 

   585 %ifdef dfhsdfhsdahdsfhdsfh

   586                    if (color6 == color3 && color3 == colorA1 && color2 != colorA2 && color3 != colorA0)

   587                       product2b = Q_INTERPOLATE (color3, color3, color3, color2);

   588                    else

   589                    if (color5 == color2 && color2 == colorA2 && colorA1 != color3 && color2 != colorA3)

   590                       product2b = Q_INTERPOLATE (color2, color2, color2, color3);

   591                    else

   592                       product2b = INTERPOLATE (color2, color3);

   593 

   594                    if (color6 == color3 && color6 == colorB1 && color5 != colorB2 && color6 != colorB0)

   595                       product1b = Q_INTERPOLATE (color6, color6, color6, color5);

   596                    else

   597                    if (color5 == color2 && color5 == colorB2 && colorB1 != color6 && color5 != colorB3)

   598                       product1b = Q_INTERPOLATE (color6, color5, color5, color5);

   599                    else

   600                       product1b = INTERPOLATE (color5, color6);

   601 %endif

   602 

   603                  push eax

   604                  add eax, ebx

   605                  pxor mm7, mm7

   606                  movq mm0, [eax+ebx+ebx+colorA0]

   607                  movq mm1, [eax+ebx+ebx+colorA1]

   608                  movq mm2, [eax+ebx+ebx+colorA2]

   609                  movq mm3, [eax+ebx+ebx+colorA3]

   610                  pop eax

   611                  movq mm4, [eax+ebx+ebx+color2]

   612                  movq mm5, [eax+ebx+ebx+color3]

   613                  movq mm6, [eax+ebx+color6]

   614 

   615                  pcmpeqw mm6, mm5

   616                  pcmpeqw mm1, mm5

   617                  pcmpeqw mm4, mm2

   618                  pcmpeqw mm0, mm5

   619                  pcmpeqw mm4, mm7

   620                  pcmpeqw mm0, mm7

   621                  pand mm0, mm4

   622                  pand mm6, mm1

   623                  pand mm0, mm6

   624 

   625 

   626                  push eax

   627                  add eax, ebx

   628                  movq mm1, [eax+ebx+ebx+colorA1]

   629                  pop eax

   630                  movq mm4, [eax+ebx+ebx+color2]

   631                  movq mm5, [eax+ebx+color5]

   632                  movq mm6, [eax+ebx+ebx+color3]

   633 

   634                  pcmpeqw mm5, mm4

   635                  pcmpeqw mm2, mm4

   636                  pcmpeqw mm1, mm6

   637                  pcmpeqw mm3, mm4

   638                  pcmpeqw mm1, mm7

   639                  pcmpeqw mm3, mm7

   640                  pand mm2, mm5

   641                  pand mm1, mm3

   642                  pand mm1, mm2

   643 

   644 

   645                  movq mm7, mm0

   646                  por mm7, mm1

   647 

   648                  movq mm4, [Mask35]

   649                  movq mm3, [Mask26]

   650                  

   651                  movq mm6, mm4

   652                  pand mm6, mm7

   653                  pxor mm4, mm6

   654 

   655                  movq mm6, mm3

   656                  pand mm6, mm7

   657                  pxor mm3, mm6

   658 

   659                  movq mm2, mm0

   660                  movq mm7, [I2333Pixel]

   661                  movq mm6, [I2223Pixel]

   662                  movq mm5, [I23Pixel]

   663 

   664 

   665                  por mm2, mm4

   666                  pand mm4, [eax+ebx+ebx+color3]

   667                  por mm2, mm3

   668                  pand mm3, [eax+ebx+ebx+color2]

   669                  por mm2, mm1

   670                  pand mm0, mm7

   671                  pand mm1, mm6

   672                  pxor mm7, mm7

   673                  pcmpeqw mm2, mm7

   674                  por mm0, mm1

   675                  por mm3, mm4

   676                  pand mm2, mm5

   677                  por mm0, mm3

   678                  por mm0, mm2

   679                  movq [final2b], mm0

   680 

   681                  ;-----------------------------------

   682                  

   683 

   684                  pxor mm7, mm7

   685                  movq mm0, [eax+colorB0]

   686                  movq mm1, [eax+colorB1]

   687                  movq mm2, [eax+colorB2]

   688                  movq mm3, [eax+colorB3]

   689                  movq mm4, [eax+ebx+color5]

   690                  movq mm5, [eax+ebx+color6]

   691                  movq mm6, [eax+ebx+ebx+color3]

   692 

   693                  pcmpeqw mm6, mm5

   694                  pcmpeqw mm1, mm5

   695                  pcmpeqw mm4, mm2

   696                  pcmpeqw mm0, mm5

   697                  pcmpeqw mm4, mm7

   698                  pcmpeqw mm0, mm7

   699                  pand mm0, mm4

   700                  pand mm6, mm1

   701                  pand mm0, mm6

   702 

   703                  movq mm1, [eax+colorB1]

   704                  movq mm4, [eax+ebx+color5]

   705                  movq mm5, [eax+ebx+ebx+color2]

   706                  movq mm6, [eax+ebx+color6]

   707 

   708                  pcmpeqw mm5, mm4

   709                  pcmpeqw mm2, mm4

   710                  pcmpeqw mm1, mm6

   711                  pcmpeqw mm3, mm4

   712                  pcmpeqw mm1, mm7

   713                  pcmpeqw mm3, mm7

   714                  pand mm2, mm5

   715                  pand mm1, mm3

   716                  pand mm1, mm2

   717 

   718 

   719                  movq mm7, mm0

   720                  por mm7, mm1

   721 

   722                  movq mm4, [Mask35]

   723                  movq mm3, [Mask26]

   724                  

   725                  movq mm6, mm4

   726                  pand mm6, mm7

   727                  pxor mm4, mm6

   728 

   729                  movq mm6, mm3

   730                  pand mm6, mm7

   731                  pxor mm3, mm6

   732 

   733                  movq mm2, mm0

   734                  movq mm7, [I5666Pixel]

   735                  movq mm6, [I5556Pixel]

   736                  movq mm5, [I56Pixel]

   737 

   738 

   739                  por mm2, mm4

   740                  pand mm4, [eax+ebx+color5]

   741                  por mm2, mm3

   742                  pand mm3, [eax+ebx+color6]

   743                  por mm2, mm1

   744                  pand mm0, mm7

   745                  pand mm1, mm6

   746                  pxor mm7, mm7

   747                  pcmpeqw mm2, mm7

   748                  por mm0, mm1

   749                  por mm3, mm4

   750                  pand mm2, mm5

   751                  por mm0, mm3

   752                  por mm0, mm2

   753                  movq [final1b], mm0

   754                  

   755           ;---------

   756 

   757                  movq mm0, [final1a]

   758                  movq mm4, [final2a]

   759                  movq mm2, [final1b]

   760                  movq mm6, [final2b]

   761 

   762 

   763                  movq mm1, mm0

   764                  movq mm5, mm4

   765 

   766 

   767          punpcklwd mm0, mm2

   768          punpckhwd mm1, mm2

   769 

   770          punpcklwd mm4, mm6

   771          punpckhwd mm5, mm6

   772 

   773 

   774 %ifdef FAR_POINTER

   775          movq [fs:edx], mm0

   776          movq [fs:edx+8], mm1

   777          push edx

   778          add edx, [ebp+dstPitch]

   779          movq [fs:edx], mm4

   780          movq [fs:edx+8], mm5

   781          pop edx

   782 %else

   783          movq [edx], mm0

   784          movq [edx+8], mm1

   785          push edx

   786          add edx, [ebp+dstPitch]

   787          movq [edx], mm4

   788          movq [edx+8], mm5

   789          pop edx

   790 %endif

   791 .SKIP_PROCESS:

   792          mov ecx, [ebp+deltaPtr]

   793          add ecx, 8

   794          mov [ebp+deltaPtr], ecx

   795          add edx, 16

   796          add eax, 8

   797 

   798          pop ecx

   799          sub ecx, 4

   800          cmp ecx, 0

   801          jg  near .Loop

   802 

   803 ; Restore some stuff

   804          popad

   805          mov esp, ebp

   806          pop ebp

   807          emms

   808          ret

   809 

   810 

   811 ;-------------------------------------------------------------------------

   812 ;-------------------------------------------------------------------------

   813 ;-------------------------------------------------------------------------

   814 ;-------------------------------------------------------------------------

   815 ;-------------------------------------------------------------------------

   816 ;-------------------------------------------------------------------------

   817 ;-------------------------------------------------------------------------

   818 

   819 

   820 

   821 %ifdef __DJGPP__

   822 __2xSaISuperEagleLine:

   823 %else

   824 _2xSaISuperEagleLine:

   825 %endif

   826 ; Store some stuff

   827          push ebp

   828          mov ebp, esp

   829          pushad

   830 

   831 ; Prepare the destination

   832 %ifdef FAR_POINTER

   833          ; Set the selector

   834          mov eax, [ebp+dstSegment]

   835          mov fs, ax

   836 %endif

   837          mov edx, [ebp+dstOffset]         ; edx points to the screen

   838 ; Prepare the source

   839          ; eax points to colorA

   840          mov eax, [ebp+srcPtr]

   841          mov ebx, [ebp+srcPitch]

   842          mov ecx, [ebp+width]

   843          ; eax now points to colorB1

   844          sub eax, ebx

   845 

   846 ; Main Loop

   847 .Loop:   push ecx

   848 

   849          ;-----Check Delta------------------

   850          mov ecx, [ebp+deltaPtr]

   851 

   852          movq mm0, [eax+colorB0]

   853          movq mm1, [eax+colorB3]

   854          movq mm2, [eax+ebx+color4]

   855          movq mm3, [eax+ebx+colorS2]

   856          movq mm4, [eax+ebx+ebx+color1]

   857          movq mm5, [eax+ebx+ebx+colorS1]

   858          push eax

   859          add eax, ebx

   860          movq mm6, [eax+ebx+ebx+colorA0]

   861          movq mm7, [eax+ebx+ebx+colorA3]

   862          pop eax

   863 

   864          pcmpeqw mm0, [ecx+2+colorB0]

   865          pcmpeqw mm1, [ecx+2+colorB3]

   866          pcmpeqw mm2, [ecx+ebx+2+color4]

   867          pcmpeqw mm3, [ecx+ebx+2+colorS2]

   868          pcmpeqw mm4, [ecx+ebx+ebx+2+color1]

   869          pcmpeqw mm5, [ecx+ebx+ebx+2+colorS1]

   870          add ecx, ebx

   871          pcmpeqw mm6, [ecx+ebx+ebx+2+colorA0]

   872          pcmpeqw mm7, [ecx+ebx+ebx+2+colorA3]

   873          sub ecx, ebx

   874 

   875 

   876          pand mm0, mm1

   877          pand mm2, mm3

   878          pand mm4, mm5

   879          pand mm6, mm7

   880          pand mm0, mm2

   881          pand mm4, mm6

   882          pxor mm7, mm7

   883          pand mm0, mm4

   884          movq mm6, [eax+colorB0]

   885          pcmpeqw mm7, mm0

   886 

   887          movq [ecx+2+colorB0], mm6

   888 

   889          packsswb mm7, mm7

   890          movd ecx, mm7

   891          test ecx, ecx

   892          jz near .SKIP_PROCESS

   893 

   894          ;End Delta

   895 

   896          ;---------------------------------

   897          movq mm0, [eax+ebx+color5]

   898          movq mm1, [eax+ebx+color6]

   899          movq mm2, mm0

   900          movq mm3, mm1

   901          movq mm4, mm0

   902          movq mm5, mm1

   903 

   904          pand mm0, [colorMask]

   905          pand mm1, [colorMask]

   906 

   907          psrlw mm0, 1

   908          psrlw mm1, 1

   909 

   910          pand mm3, [lowPixelMask]

   911          paddw mm0, mm1

   912 

   913          pand mm3, mm2

   914          paddw mm0, mm3                ;mm0 contains the interpolated values

   915          movq [I56Pixel], mm0

   916          movq mm7, mm0

   917 

   918          ;-------------------

   919          movq mm0, mm7

   920          movq mm1, mm4  ;5,5,5,6

   921          movq mm2, mm0

   922          movq mm3, mm1

   923 

   924          pand mm0, [colorMask]

   925          pand mm1, [colorMask]

   926 

   927          psrlw mm0, 1

   928          psrlw mm1, 1

   929 

   930          pand mm3, [lowPixelMask]

   931          paddw mm0, mm1

   932 

   933          pand mm3, mm2

   934          paddw mm0, mm3                ;mm0 contains the interpolated values

   935          movq [product1a], mm0

   936          ;--------------------

   937 

   938          movq mm0, mm7

   939          movq mm1, mm5  ;6,6,6,5

   940          movq mm2, mm0

   941          movq mm3, mm1

   942 

   943          pand mm0, [colorMask]

   944          pand mm1, [colorMask]

   945 

   946          psrlw mm0, 1

   947          psrlw mm1, 1

   948 

   949          pand mm3, [lowPixelMask]

   950          paddw mm0, mm1

   951 

   952          pand mm3, mm2

   953          paddw mm0, mm3

   954          movq [product1b], mm0

   955 

   956          ;-------------------------

   957          ;-------------------------

   958          movq mm0, [eax+ebx+ebx+color2]

   959          movq mm1, [eax+ebx+ebx+color3]

   960          movq mm2, mm0

   961          movq mm3, mm1

   962          movq mm4, mm0

   963          movq mm5, mm1

   964 

   965          pand mm0, [colorMask]

   966          pand mm1, [colorMask]

   967 

   968          psrlw mm0, 1

   969          psrlw mm1, 1

   970 

   971          pand mm3, [lowPixelMask]

   972          paddw mm0, mm1

   973 

   974          pand mm3, mm2

   975          paddw mm0, mm3

   976          movq [I23Pixel], mm0

   977          movq mm7, mm0

   978 

   979          ;---------------------

   980          movq mm0, mm7

   981          movq mm1, mm4  ;2,2,2,3

   982          movq mm2, mm0

   983          movq mm3, mm1

   984 

   985          pand mm0, [colorMask]

   986          pand mm1, [colorMask]

   987 

   988          psrlw mm0, 1

   989          psrlw mm1, 1

   990 

   991          pand mm3, [lowPixelMask]

   992          paddw mm0, mm1

   993 

   994          pand mm3, mm2

   995          paddw mm0, mm3

   996          movq [product2a], mm0

   997 

   998          ;----------------------

   999          movq mm0, mm7

  1000          movq mm1, mm5  ;3,3,3,2

  1001          movq mm2, mm0

  1002          movq mm3, mm1

  1003 

  1004          pand mm0, [colorMask]

  1005          pand mm1, [colorMask]

  1006 

  1007          psrlw mm0, 1

  1008          psrlw mm1, 1

  1009 

  1010          pand mm3, [lowPixelMask]

  1011          paddw mm0, mm1

  1012 

  1013          pand mm3, mm2

  1014          paddw mm0, mm3

  1015          movq [product2b], mm0

  1016 

  1017 

  1018          ;////////////////////////////////

  1019          ; Decide which "branch" to take

  1020          ;--------------------------------

  1021          movq mm4, [eax+ebx+color5]

  1022          movq mm5, [eax+ebx+color6]

  1023          movq mm6, [eax+ebx+ebx+color3]

  1024          movq mm7, [eax+ebx+ebx+color2]

  1025 

  1026          pxor mm3, mm3

  1027          movq mm0, mm4

  1028          movq mm1, mm5

  1029 

  1030          pcmpeqw mm0, mm6

  1031          pcmpeqw mm1, mm7

  1032          pcmpeqw mm1, mm3

  1033          pand mm0, mm1

  1034          movq [Mask35], mm0

  1035 

  1036          movq mm0, [eax+ebx+ebx+colorS1]

  1037          movq mm1, [eax+ebx+color4]

  1038          push eax

  1039          add eax, ebx

  1040          movq mm2, [eax+ebx+ebx+colorA2]

  1041          pop eax

  1042          movq mm3, [eax+colorB1]

  1043          pcmpeqw mm0, mm4

  1044          pcmpeqw mm1, mm4

  1045          pcmpeqw mm2, mm4

  1046          pcmpeqw mm3, mm4

  1047          pand mm0, mm1

  1048          pand mm2, mm3

  1049          por mm0, mm2

  1050          pand mm0, [Mask35]

  1051          movq [Mask35b], mm0

  1052 

  1053          ;-----------

  1054          pxor mm3, mm3

  1055          movq mm0, mm4

  1056          movq mm1, mm5

  1057 

  1058          pcmpeqw mm0, mm6

  1059          pcmpeqw mm1, mm7

  1060          pcmpeqw mm0, mm3

  1061          pand mm0, mm1

  1062          movq [Mask26], mm0

  1063 

  1064          movq mm0, [eax+ebx+ebx+color1]

  1065          movq mm1, [eax+ebx+colorS2]

  1066          push eax

  1067          add eax, ebx

  1068          movq mm2, [eax+ebx+ebx+colorA1]

  1069          pop eax

  1070          movq mm3, [eax+colorB2]

  1071          pcmpeqw mm0, mm5

  1072          pcmpeqw mm1, mm5

  1073          pcmpeqw mm2, mm5

  1074          pcmpeqw mm3, mm5

  1075          pand mm0, mm1

  1076          pand mm2, mm3

  1077          por mm0, mm2

  1078          pand mm0, [Mask26]

  1079          movq [Mask26b], mm0

  1080 

  1081          ;--------------------

  1082          movq mm0, mm4

  1083          movq mm1, mm5

  1084          movq mm2, mm0

  1085 

  1086          pcmpeqw mm2, mm1

  1087          pcmpeqw mm0, mm6

  1088          pcmpeqw mm1, mm7

  1089          pand mm0, mm1

  1090          pand mm2, mm0

  1091          pxor mm0, mm2

  1092          movq mm7, mm0

  1093 

  1094          ;------------------

  1095          packsswb mm7, mm7

  1096          movd ecx, mm7

  1097          test ecx, ecx

  1098          jz near .SKIP_GUESS

  1099 

  1100 ;---------------------------------------------

  1101 ; Map of the pixels:                    I|E F|J

  1102 ;                                       G|A B|K

  1103 ;                                       H|C D|L

  1104 ;                                       M|N O|P

  1105          movq mm6, mm0

  1106          movq mm4, [eax+ebx+color5]

  1107          movq mm5, [eax+ebx+color6]

  1108          pxor mm7, mm7

  1109          pand mm6, [ONE]

  1110 

  1111          movq mm0, [eax+colorB1]

  1112          movq mm1, [eax+ebx+color4]

  1113          movq mm2, mm0

  1114          movq mm3, mm1

  1115          pcmpeqw mm0, mm4

  1116          pcmpeqw mm1, mm4

  1117          pcmpeqw mm2, mm5

  1118          pcmpeqw mm3, mm5

  1119          pand mm0, mm6

  1120          pand mm1, mm6

  1121          pand mm2, mm6

  1122          pand mm3, mm6

  1123          paddw mm0, mm1

  1124          paddw mm2, mm3

  1125 

  1126          pxor mm3, mm3

  1127          pcmpgtw mm0, mm6

  1128          pcmpgtw mm2, mm6

  1129          pcmpeqw mm0, mm3

  1130          pcmpeqw mm2, mm3

  1131          pand mm0, mm6

  1132          pand mm2, mm6

  1133          paddw mm7, mm0

  1134          psubw mm7, mm2

  1135 

  1136          movq mm0, [eax+colorB2]

  1137          movq mm1, [eax+ebx+colorS2]

  1138          movq mm2, mm0

  1139          movq mm3, mm1

  1140          pcmpeqw mm0, mm4

  1141          pcmpeqw mm1, mm4

  1142          pcmpeqw mm2, mm5

  1143          pcmpeqw mm3, mm5

  1144          pand mm0, mm6

  1145          pand mm1, mm6

  1146          pand mm2, mm6

  1147          pand mm3, mm6

  1148          paddw mm0, mm1

  1149          paddw mm2, mm3

  1150 

  1151          pxor mm3, mm3

  1152          pcmpgtw mm0, mm6

  1153          pcmpgtw mm2, mm6

  1154          pcmpeqw mm0, mm3

  1155          pcmpeqw mm2, mm3

  1156          pand mm0, mm6

  1157          pand mm2, mm6

  1158          paddw mm7, mm0

  1159          psubw mm7, mm2

  1160 

  1161          push eax

  1162          add eax, ebx

  1163          movq mm0, [eax+ebx+color1]

  1164          movq mm1, [eax+ebx+ebx+colorA1]

  1165          movq mm2, mm0

  1166          movq mm3, mm1

  1167          pcmpeqw mm0, mm4

  1168          pcmpeqw mm1, mm4

  1169          pcmpeqw mm2, mm5

  1170          pcmpeqw mm3, mm5

  1171          pand mm0, mm6

  1172          pand mm1, mm6

  1173          pand mm2, mm6

  1174          pand mm3, mm6

  1175          paddw mm0, mm1

  1176          paddw mm2, mm3

  1177 

  1178          pxor mm3, mm3

  1179          pcmpgtw mm0, mm6

  1180          pcmpgtw mm2, mm6

  1181          pcmpeqw mm0, mm3

  1182          pcmpeqw mm2, mm3

  1183          pand mm0, mm6

  1184          pand mm2, mm6

  1185          paddw mm7, mm0

  1186          psubw mm7, mm2

  1187 

  1188          movq mm0, [eax+ebx+colorS1]

  1189          movq mm1, [eax+ebx+ebx+colorA2]

  1190          movq mm2, mm0

  1191          movq mm3, mm1

  1192          pcmpeqw mm0, mm4

  1193          pcmpeqw mm1, mm4

  1194          pcmpeqw mm2, mm5

  1195          pcmpeqw mm3, mm5

  1196          pand mm0, mm6

  1197          pand mm1, mm6

  1198          pand mm2, mm6

  1199          pand mm3, mm6

  1200          paddw mm0, mm1

  1201          paddw mm2, mm3

  1202 

  1203          pxor mm3, mm3

  1204          pcmpgtw mm0, mm6

  1205          pcmpgtw mm2, mm6

  1206          pcmpeqw mm0, mm3

  1207          pcmpeqw mm2, mm3

  1208          pand mm0, mm6

  1209          pand mm2, mm6

  1210          paddw mm7, mm0

  1211          psubw mm7, mm2

  1212 

  1213          pop eax

  1214          movq mm1, mm7

  1215          pxor mm0, mm0

  1216          pcmpgtw mm7, mm0

  1217          pcmpgtw mm0, mm1

  1218 

  1219          por mm7, [Mask35]

  1220          por mm0, [Mask26]

  1221          movq [Mask35], mm7

  1222          movq [Mask26], mm0

  1223 

  1224 .SKIP_GUESS:

  1225          ;Start the ASSEMBLY !!!

  1226 

  1227          movq mm4, [Mask35]

  1228          movq mm5, [Mask26]

  1229          movq mm6, [Mask35b]

  1230          movq mm7, [Mask26b]

  1231 

  1232          movq mm0, [eax+ebx+color5]

  1233          movq mm1, [eax+ebx+color6]

  1234          movq mm2, [eax+ebx+ebx+color2]

  1235          movq mm3, [eax+ebx+ebx+color3]

  1236          pcmpeqw mm0, mm2

  1237          pcmpeqw mm1, mm3

  1238          movq mm2, mm4

  1239          movq mm3, mm5

  1240          por mm0, mm1

  1241          por mm2, mm3

  1242          pand mm2, mm0

  1243          pxor mm0, mm2

  1244          movq mm3, mm0

  1245 

  1246          movq mm2, mm0

  1247          pxor mm0, mm0

  1248          por mm2, mm4

  1249          pxor mm4, mm6

  1250          por mm2, mm5

  1251          pxor mm5, mm7

  1252          pcmpeqw mm2, mm0

  1253          ;----------------

  1254 

  1255          movq mm0, [eax+ebx+color5]

  1256          movq mm1, mm3

  1257          por mm1, mm4

  1258          por mm1, mm6

  1259          pand mm0, mm1

  1260          movq mm1, mm5

  1261          pand mm1, [I56Pixel]

  1262          por mm0, mm1

  1263          movq mm1, mm7

  1264          pand mm1, [product1b]

  1265          por mm0, mm1

  1266          movq mm1, mm2

  1267          pand mm1, [product1a]

  1268          por mm0, mm1

  1269          movq [final1a], mm0

  1270 

  1271          movq mm0, [eax+ebx+color6]

  1272          movq mm1, mm3

  1273          por mm1, mm5

  1274          por mm1, mm7

  1275          pand mm0, mm1

  1276          movq mm1, mm4

  1277          pand mm1, [I56Pixel]

  1278          por mm0, mm1

  1279          movq mm1, mm6

  1280          pand mm1, [product1a]

  1281          por mm0, mm1

  1282          movq mm1, mm2

  1283          pand mm1, [product1b]

  1284          por mm0, mm1

  1285          movq [final1b], mm0

  1286 

  1287          movq mm0, [eax+ebx+ebx+color2]

  1288          movq mm1, mm3

  1289          por mm1, mm5

  1290          por mm1, mm7

  1291          pand mm0, mm1

  1292          movq mm1, mm4

  1293          pand mm1, [I23Pixel]

  1294          por mm0, mm1

  1295          movq mm1, mm6

  1296          pand mm1, [product2b]

  1297          por mm0, mm1

  1298          movq mm1, mm2

  1299          pand mm1, [product2a]

  1300          por mm0, mm1

  1301          movq [final2a], mm0

  1302 

  1303          movq mm0, [eax+ebx+ebx+color3]

  1304          movq mm1, mm3

  1305          por mm1, mm4

  1306          por mm1, mm6

  1307          pand mm0, mm1

  1308          movq mm1, mm5

  1309          pand mm1, [I23Pixel]

  1310          por mm0, mm1

  1311          movq mm1, mm7

  1312          pand mm1, [product2a]

  1313          por mm0, mm1

  1314          movq mm1, mm2

  1315          pand mm1, [product2b]

  1316          por mm0, mm1

  1317          movq [final2b], mm0

  1318 

  1319 

  1320          movq mm0, [final1a]

  1321          movq mm2, [final1b]

  1322          movq mm1, mm0

  1323          movq mm4, [final2a]

  1324          movq mm6, [final2b]

  1325          movq mm5, mm4

  1326          punpcklwd mm0, mm2

  1327          punpckhwd mm1, mm2

  1328          punpcklwd mm4, mm6

  1329          punpckhwd mm5, mm6

  1330 

  1331 

  1332 

  1333 

  1334 %ifdef FAR_POINTER

  1335          movq [fs:edx], mm0

  1336          movq [fs:edx+8], mm1

  1337          push edx

  1338          add edx, [ebp+dstPitch]

  1339          movq [fs:edx], mm4

  1340          movq [fs:edx+8], mm5

  1341          pop edx

  1342 %else

  1343          movq [edx], mm0

  1344          movq [edx+8], mm1

  1345          push edx

  1346          add edx, [ebp+dstPitch]

  1347          movq [edx], mm4

  1348          movq [edx+8], mm5

  1349          pop edx

  1350 %endif

  1351 .SKIP_PROCESS:

  1352          mov ecx, [ebp+deltaPtr]

  1353          add ecx, 8

  1354          mov [ebp+deltaPtr], ecx

  1355          add edx, 16

  1356          add eax, 8

  1357 

  1358          pop ecx

  1359          sub ecx, 4

  1360          cmp ecx, 0

  1361          jg  near .Loop

  1362 

  1363 ; Restore some stuff

  1364          popad

  1365          mov esp, ebp

  1366          pop ebp

  1367          emms

  1368          ret

  1369 

  1370 

  1371 ;-------------------------------------------------------------------------

  1372 ;-------------------------------------------------------------------------

  1373 ;-------------------------------------------------------------------------

  1374 ;-------------------------------------------------------------------------

  1375 ;-------------------------------------------------------------------------

  1376 ;-------------------------------------------------------------------------

  1377 ;-------------------------------------------------------------------------

  1378 

  1379 

  1380 ;This is version 0.50

  1381 colorI   equ -2

  1382 colorE   equ 0

  1383 colorF   equ 2

  1384 colorJ   equ 4

  1385 

  1386 colorG   equ -2

  1387 colorA   equ 0

  1388 colorB   equ 2

  1389 colorK   equ 4

  1390 

  1391 colorH   equ -2

  1392 colorC   equ 0

  1393 colorD   equ 2

  1394 colorL   equ 4

  1395 

  1396 colorM   equ -2

  1397 colorN   equ 0

  1398 colorO   equ 2

  1399 colorP   equ 4

  1400 

  1401 %ifdef __DJGPP__

  1402 __2xSaILine:

  1403 %else

  1404 _2xSaILine:

  1405 %endif

  1406 ; Store some stuff

  1407          push ebp

  1408          mov ebp, esp

  1409          pushad

  1410 

  1411 ; Prepare the destination

  1412 %ifdef FAR_POINTER

  1413          ; Set the selector

  1414          mov eax, [ebp+dstSegment]

  1415          mov fs, ax

  1416 %endif

  1417          mov edx, [ebp+dstOffset]         ; edx points to the screen

  1418 ; Prepare the source

  1419          ; eax points to colorA

  1420          mov eax, [ebp+srcPtr]

  1421          mov ebx, [ebp+srcPitch]

  1422          mov ecx, [ebp+width]

  1423          ; eax now points to colorE

  1424          sub eax, ebx

  1425 

  1426 

  1427 ; Main Loop

  1428 .Loop:   push ecx

  1429 

  1430          ;-----Check Delta------------------

  1431          mov ecx, [ebp+deltaPtr]

  1432 

  1433          movq mm0, [eax+colorI]

  1434          movq mm1, [eax+colorJ]

  1435          movq mm2, [eax+ebx+colorG]

  1436          movq mm3, [eax+ebx+colorK]

  1437          movq mm4, [eax+ebx+ebx+colorH]

  1438          movq mm5, [eax+ebx+ebx+colorL]

  1439          push eax

  1440          add eax, ebx

  1441          movq mm6, [eax+ebx+ebx+colorM]

  1442          movq mm7, [eax+ebx+ebx+colorP]

  1443          pop eax

  1444 

  1445          pcmpeqw mm0, [ecx+2+colorI]

  1446          pcmpeqw mm1, [ecx+2+colorK]

  1447          pcmpeqw mm2, [ecx+ebx+2+colorG]

  1448          pcmpeqw mm3, [ecx+ebx+2+colorK]

  1449          pcmpeqw mm4, [ecx+ebx+ebx+2+colorH]

  1450          pcmpeqw mm5, [ecx+ebx+ebx+2+colorL]

  1451          add ecx, ebx

  1452          pcmpeqw mm6, [ecx+ebx+ebx+2+colorM]

  1453          pcmpeqw mm7, [ecx+ebx+ebx+2+colorP]

  1454          sub ecx, ebx

  1455 

  1456 

  1457          pand mm0, mm1

  1458          pand mm2, mm3

  1459          pand mm4, mm5

  1460          pand mm6, mm7

  1461          pand mm0, mm2

  1462          pand mm4, mm6

  1463          pxor mm7, mm7

  1464          pand mm0, mm4

  1465          movq mm6, [eax+colorI]

  1466          pcmpeqw mm7, mm0

  1467 

  1468          movq [ecx+2+colorI], mm6

  1469 

  1470          packsswb mm7, mm7

  1471          movd ecx, mm7

  1472          test ecx, ecx

  1473          jz near .SKIP_PROCESS

  1474 

  1475          ;End Delta

  1476 

  1477          ;---------------------------------

  1478 

  1479 

  1480 ;1

  1481          ;if ((colorA == colorD) && (colorB != colorC) && (colorA == colorE) && (colorB == colorL)

  1482          movq mm0, [eax+ebx+colorA]        ;mm0 and mm1 contain colorA

  1483          movq mm2, [eax+ebx+colorB]        ;mm2 and mm3 contain colorB

  1484 

  1485          movq mm1, mm0

  1486          movq mm3, mm2

  1487 

  1488          pcmpeqw mm0, [eax+ebx+ebx+colorD]

  1489          pcmpeqw mm1, [eax+colorE]

  1490          pcmpeqw mm2, [eax+ebx+ebx+colorL]

  1491          pcmpeqw mm3, [eax+ebx+ebx+colorC]

  1492 

  1493          pand mm0, mm1

  1494          pxor mm1, mm1

  1495          pand mm0, mm2

  1496          pcmpeqw mm3, mm1

  1497          pand mm0, mm3                 ;result in mm0

  1498 

  1499          ;if ((colorA == colorC) && (colorB != colorE) && (colorA == colorF) && (colorB == colorJ)

  1500          movq mm4, [eax+ebx+colorA]        ;mm4 and mm5 contain colorA

  1501          movq mm6, [eax+ebx+colorB]        ;mm6 and mm7 contain colorB

  1502          movq mm5, mm4

  1503          movq mm7, mm6

  1504 

  1505          pcmpeqw mm4, [eax+ebx+ebx+colorC]

  1506          pcmpeqw mm5, [eax+colorF]

  1507          pcmpeqw mm6, [eax+colorJ]

  1508          pcmpeqw mm7, [eax+colorE]

  1509 

  1510          pand mm4, mm5

  1511          pxor mm5, mm5

  1512          pand mm4, mm6

  1513          pcmpeqw mm7, mm5

  1514          pand mm4, mm7                 ;result in mm4

  1515 

  1516          por mm0, mm4                  ;combine the masks

  1517          movq [Mask1], mm0

  1518 

  1519          ;--------------------------------------------

  1520 

  1521 ;2

  1522          ;if ((colorB == colorC) && (colorA != colorD) && (colorB == colorF) && (colorA == colorH)

  1523          movq mm0, [eax+ebx+colorB]        ;mm0 and mm1 contain colorB

  1524          movq mm2, [eax+ebx+colorA]        ;mm2 and mm3 contain colorA

  1525          movq mm1, mm0

  1526          movq mm3, mm2

  1527 

  1528          pcmpeqw mm0, [eax+ebx+ebx+colorC]

  1529          pcmpeqw mm1, [eax+colorF]

  1530          pcmpeqw mm2, [eax+ebx+ebx+colorH]

  1531          pcmpeqw mm3, [eax+ebx+ebx+colorD]

  1532 

  1533          pand mm0, mm1

  1534          pxor mm1, mm1

  1535          pand mm0, mm2

  1536          pcmpeqw mm3, mm1

  1537          pand mm0, mm3                 ;result in mm0

  1538 

  1539          ;if ((colorB == colorE) && (colorB == colorD) && (colorA != colorF) && (colorA == colorI)

  1540          movq mm4, [eax+ebx+colorB]        ;mm4 and mm5 contain colorB

  1541          movq mm6, [eax+ebx+colorA]        ;mm6 and mm7 contain colorA

  1542          movq mm5, mm4

  1543          movq mm7, mm6

  1544 

  1545          pcmpeqw mm4, [eax+ebx+ebx+colorD]

  1546          pcmpeqw mm5, [eax+colorE]

  1547          pcmpeqw mm6, [eax+colorI]

  1548          pcmpeqw mm7, [eax+colorF]

  1549 

  1550          pand mm4, mm5

  1551          pxor mm5, mm5

  1552          pand mm4, mm6

  1553          pcmpeqw mm7, mm5

  1554          pand mm4, mm7                 ;result in mm4

  1555 

  1556          por mm0, mm4                  ;combine the masks

  1557          movq [Mask2], mm0

  1558 

  1559 

  1560 ;interpolate colorA and colorB

  1561          movq mm0, [eax+ebx+colorA]

  1562          movq mm1, [eax+ebx+colorB]

  1563 

  1564          movq mm2, mm0

  1565          movq mm3, mm1

  1566 

  1567          pand mm0, [colorMask]

  1568          pand mm1, [colorMask]

  1569 

  1570          psrlw mm0, 1

  1571          psrlw mm1, 1

  1572 

  1573          pand mm3, [lowPixelMask]

  1574          paddw mm0, mm1

  1575 

  1576          pand mm3, mm2

  1577          paddw mm0, mm3                ;mm0 contains the interpolated values

  1578 

  1579          ;assemble the pixels

  1580          movq mm1, [eax+ebx+colorA]

  1581          movq mm2, [eax+ebx+colorB]

  1582 

  1583          movq mm3, [Mask1]

  1584          movq mm5, mm1

  1585          movq mm4, [Mask2]

  1586          movq mm6, mm1

  1587 

  1588          pand mm1, mm3

  1589          por mm3, mm4

  1590          pxor mm7, mm7

  1591          pand mm2, mm4

  1592 

  1593          pcmpeqw mm3, mm7

  1594          por mm1, mm2

  1595          pand mm0, mm3

  1596 

  1597          por mm0, mm1

  1598 

  1599          punpcklwd mm5, mm0

  1600          punpckhwd mm6, mm0

  1601 

  1602 %ifdef FAR_POINTER

  1603          movq [fs:edx], mm5

  1604          movq [fs:edx+8], mm6

  1605 %else

  1606          movq [edx], mm5

  1607          movq [edx+8], mm6

  1608 %endif

  1609 

  1610 ;------------------------------------------------

  1611 ;        Create the Nextline

  1612 ;------------------------------------------------

  1613 ;3       ;if ((colorA == colorD) && (colorB != colorC) && (colorA == colorG) && (colorC == colorO)

  1614          movq mm0, [eax+ebx+colorA]        ;mm0 and mm1 contain colorA

  1615          movq mm2, [eax+ebx+ebx+colorC]        ;mm2 and mm3 contain colorC

  1616          movq mm1, mm0

  1617          movq mm3, mm2

  1618 

  1619          push eax

  1620          add eax, ebx

  1621          pcmpeqw mm0, [eax+ebx+colorD]

  1622          pcmpeqw mm1, [eax+colorG]

  1623          pcmpeqw mm2, [eax+ebx+ebx+colorO]

  1624          pcmpeqw mm3, [eax+colorB]

  1625          pop eax

  1626 

  1627          pand mm0, mm1

  1628          pxor mm1, mm1

  1629          pand mm0, mm2

  1630          pcmpeqw mm3, mm1

  1631          pand mm0, mm3                 ;result in mm0

  1632 

  1633          ;if ((colorA == colorB) && (colorG != colorC) && (colorA == colorH) && (colorC == colorM)

  1634          movq mm4, [eax+ebx+colorA]        ;mm4 and mm5 contain colorA

  1635          movq mm6, [eax+ebx+ebx+colorC]        ;mm6 and mm7 contain colorC

  1636          movq mm5, mm4

  1637          movq mm7, mm6

  1638 

  1639          push eax

  1640          add eax, ebx

  1641          pcmpeqw mm4, [eax+ebx+colorH]

  1642          pcmpeqw mm5, [eax+colorB]

  1643          pcmpeqw mm6, [eax+ebx+ebx+colorM]

  1644          pcmpeqw mm7, [eax+colorG]

  1645          pop eax

  1646 

  1647          pand mm4, mm5

  1648          pxor mm5, mm5

  1649          pand mm4, mm6

  1650          pcmpeqw mm7, mm5

  1651          pand mm4, mm7                 ;result in mm4

  1652 

  1653          por mm0, mm4                  ;combine the masks

  1654          movq [Mask1], mm0

  1655          ;--------------------------------------------

  1656 

  1657 ;4

  1658          ;if ((colorB == colorC) && (colorA != colorD) && (colorC == colorH) && (colorA == colorF)

  1659          movq mm0, [eax+ebx+ebx+colorC]        ;mm0 and mm1 contain colorC

  1660          movq mm2, [eax+ebx+colorA]        ;mm2 and mm3 contain colorA

  1661          movq mm1, mm0

  1662          movq mm3, mm2

  1663 

  1664          pcmpeqw mm0, [eax+ebx+colorB]

  1665          pcmpeqw mm1, [eax+ebx+ebx+colorH]

  1666          pcmpeqw mm2, [eax+colorF]

  1667          pcmpeqw mm3, [eax+ebx+ebx+colorD]

  1668 

  1669          pand mm0, mm1

  1670          pxor mm1, mm1

  1671          pand mm0, mm2

  1672          pcmpeqw mm3, mm1

  1673          pand mm0, mm3                 ;result in mm0

  1674 

  1675          ;if ((colorC == colorG) && (colorC == colorD) && (colorA != colorH) && (colorA == colorI)

  1676          movq mm4, [eax+ebx+ebx+colorC]        ;mm4 and mm5 contain colorC

  1677          movq mm6, [eax+ebx+colorA]        ;mm6 and mm7 contain colorA

  1678          movq mm5, mm4

  1679          movq mm7, mm6

  1680 

  1681          pcmpeqw mm4, [eax+ebx+ebx+colorD]

  1682          pcmpeqw mm5, [eax+ebx+colorG]

  1683          pcmpeqw mm6, [eax+colorI]

  1684          pcmpeqw mm7, [eax+ebx+ebx+colorH]

  1685 

  1686          pand mm4, mm5

  1687          pxor mm5, mm5

  1688          pand mm4, mm6

  1689          pcmpeqw mm7, mm5

  1690          pand mm4, mm7                 ;result in mm4

  1691 

  1692          por mm0, mm4                  ;combine the masks

  1693          movq [Mask2], mm0

  1694          ;----------------------------------------------

  1695 

  1696 ;interpolate colorA and colorC

  1697          movq mm0, [eax+ebx+colorA]

  1698          movq mm1, [eax+ebx+ebx+colorC]

  1699 

  1700          movq mm2, mm0

  1701          movq mm3, mm1

  1702 

  1703          pand mm0, [colorMask]

  1704          pand mm1, [colorMask]

  1705 

  1706          psrlw mm0, 1

  1707          psrlw mm1, 1

  1708 

  1709          pand mm3, [lowPixelMask]

  1710          paddw mm0, mm1

  1711 

  1712          pand mm3, mm2

  1713          paddw mm0, mm3                ;mm0 contains the interpolated values

  1714          ;-------------

  1715 

  1716          ;assemble the pixels

  1717          movq mm1, [eax+ebx+colorA]

  1718          movq mm2, [eax+ebx+ebx+colorC]

  1719 

  1720          movq mm3, [Mask1]

  1721          movq mm4, [Mask2]

  1722 

  1723          pand mm1, mm3

  1724          pand mm2, mm4

  1725 

  1726          por mm3, mm4

  1727          pxor mm7, mm7

  1728          por mm1, mm2

  1729 

  1730          pcmpeqw mm3, mm7

  1731          pand mm0, mm3

  1732          por mm0, mm1

  1733          movq [ACPixel], mm0

  1734 

  1735 ;////////////////////////////////

  1736 ; Decide which "branch" to take

  1737 ;--------------------------------

  1738          movq mm0, [eax+ebx+colorA]

  1739          movq mm1, [eax+ebx+colorB]

  1740          movq mm6, mm0

  1741          movq mm7, mm1

  1742          pcmpeqw mm0, [eax+ebx+ebx+colorD]

  1743          pcmpeqw mm1, [eax+ebx+ebx+colorC]

  1744          pcmpeqw mm6, mm7

  1745 

  1746          movq mm2, mm0

  1747          movq mm3, mm0

  1748 

  1749          pand mm0, mm1       ;colorA == colorD && colorB == colorC

  1750          pxor mm7, mm7

  1751 

  1752          pcmpeqw mm2, mm7

  1753          pand mm6, mm0

  1754          pand mm2, mm1       ;colorA != colorD && colorB == colorC

  1755 

  1756          pcmpeqw mm1, mm7

  1757 

  1758          pand mm1, mm3       ;colorA == colorD && colorB != colorC

  1759          pxor mm0, mm6

  1760          por mm1, mm6

  1761          movq mm7, mm0

  1762          movq [Mask2], mm2

  1763          packsswb mm7, mm7

  1764          movq [Mask1], mm1

  1765 

  1766          movd ecx, mm7

  1767          test ecx, ecx

  1768          jz near .SKIP_GUESS

  1769 

  1770 ;---------------------------------------------

  1771 ; Map of the pixels:                    I|E F|J

  1772 ;                                       G|A B|K

  1773 ;                                       H|C D|L

  1774 ;                                       M|N O|P

  1775          movq mm6, mm0

  1776          movq mm4, [eax+ebx+colorA]

  1777          movq mm5, [eax+ebx+colorB]

  1778          pxor mm7, mm7

  1779          pand mm6, [ONE]

  1780 

  1781          movq mm0, [eax+colorE]

  1782          movq mm1, [eax+ebx+colorG]

  1783          movq mm2, mm0

  1784          movq mm3, mm1

  1785          pcmpeqw mm0, mm4

  1786          pcmpeqw mm1, mm4

  1787          pcmpeqw mm2, mm5

  1788          pcmpeqw mm3, mm5

  1789          pand mm0, mm6

  1790          pand mm1, mm6

  1791          pand mm2, mm6

  1792          pand mm3, mm6

  1793          paddw mm0, mm1

  1794          paddw mm2, mm3

  1795 

  1796          pxor mm3, mm3

  1797          pcmpgtw mm0, mm6

  1798          pcmpgtw mm2, mm6

  1799          pcmpeqw mm0, mm3

  1800          pcmpeqw mm2, mm3

  1801          pand mm0, mm6

  1802          pand mm2, mm6

  1803          paddw mm7, mm0

  1804          psubw mm7, mm2

  1805 

  1806          movq mm0, [eax+colorF]

  1807          movq mm1, [eax+ebx+colorK]

  1808          movq mm2, mm0

  1809          movq mm3, mm1

  1810          pcmpeqw mm0, mm4

  1811          pcmpeqw mm1, mm4

  1812          pcmpeqw mm2, mm5

  1813          pcmpeqw mm3, mm5

  1814          pand mm0, mm6

  1815          pand mm1, mm6

  1816          pand mm2, mm6

  1817          pand mm3, mm6

  1818          paddw mm0, mm1

  1819          paddw mm2, mm3

  1820 

  1821          pxor mm3, mm3

  1822          pcmpgtw mm0, mm6

  1823          pcmpgtw mm2, mm6

  1824          pcmpeqw mm0, mm3

  1825          pcmpeqw mm2, mm3

  1826          pand mm0, mm6

  1827          pand mm2, mm6

  1828          paddw mm7, mm0

  1829          psubw mm7, mm2

  1830 

  1831          push eax

  1832          add eax, ebx

  1833          movq mm0, [eax+ebx+colorH]

  1834          movq mm1, [eax+ebx+ebx+colorN]

  1835          movq mm2, mm0

  1836          movq mm3, mm1

  1837          pcmpeqw mm0, mm4

  1838          pcmpeqw mm1, mm4

  1839          pcmpeqw mm2, mm5

  1840          pcmpeqw mm3, mm5

  1841          pand mm0, mm6

  1842          pand mm1, mm6

  1843          pand mm2, mm6

  1844          pand mm3, mm6

  1845          paddw mm0, mm1

  1846          paddw mm2, mm3

  1847 

  1848          pxor mm3, mm3

  1849          pcmpgtw mm0, mm6

  1850          pcmpgtw mm2, mm6

  1851          pcmpeqw mm0, mm3

  1852          pcmpeqw mm2, mm3

  1853          pand mm0, mm6

  1854          pand mm2, mm6

  1855          paddw mm7, mm0

  1856          psubw mm7, mm2

  1857 

  1858          movq mm0, [eax+ebx+colorL]

  1859          movq mm1, [eax+ebx+ebx+colorO]

  1860          movq mm2, mm0

  1861          movq mm3, mm1

  1862          pcmpeqw mm0, mm4

  1863          pcmpeqw mm1, mm4

  1864          pcmpeqw mm2, mm5

  1865          pcmpeqw mm3, mm5

  1866          pand mm0, mm6

  1867          pand mm1, mm6

  1868          pand mm2, mm6

  1869          pand mm3, mm6

  1870          paddw mm0, mm1

  1871          paddw mm2, mm3

  1872 

  1873          pxor mm3, mm3

  1874          pcmpgtw mm0, mm6

  1875          pcmpgtw mm2, mm6

  1876          pcmpeqw mm0, mm3

  1877          pcmpeqw mm2, mm3

  1878          pand mm0, mm6

  1879          pand mm2, mm6

  1880          paddw mm7, mm0

  1881          psubw mm7, mm2

  1882 

  1883          pop eax

  1884          movq mm1, mm7

  1885          pxor mm0, mm0

  1886          pcmpgtw mm7, mm0

  1887          pcmpgtw mm0, mm1

  1888 

  1889          por mm7, [Mask1]

  1890          por mm0, [Mask2]

  1891          movq [Mask1], mm7

  1892          movq [Mask2], mm0

  1893 

  1894 .SKIP_GUESS:

  1895          ;----------------------------

  1896          ;interpolate A, B, C and D

  1897          movq mm0, [eax+ebx+colorA]

  1898          movq mm1, [eax+ebx+colorB]

  1899          movq mm4, mm0

  1900          movq mm2, [eax+ebx+ebx+colorC]

  1901          movq mm5, mm1

  1902          movq mm3, [qcolorMask]

  1903          movq mm6, mm2

  1904          movq mm7, [qlowpixelMask]

  1905 

  1906          pand mm0, mm3

  1907          pand mm1, mm3

  1908          pand mm2, mm3

  1909          pand mm3, [eax+ebx+ebx+colorD]

  1910 

  1911          psrlw mm0, 2

  1912          pand mm4, mm7

  1913          psrlw mm1, 2

  1914          pand mm5, mm7

  1915          psrlw mm2, 2

  1916          pand mm6, mm7

  1917          psrlw mm3, 2

  1918          pand mm7, [eax+ebx+ebx+colorD]

  1919 

  1920          paddw mm0, mm1

  1921          paddw mm2, mm3

  1922 

  1923          paddw mm4, mm5

  1924          paddw mm6, mm7

  1925 

  1926          paddw mm4, mm6

  1927          paddw mm0, mm2

  1928          psrlw mm4, 2

  1929          pand mm4, [qlowpixelMask]

  1930          paddw mm0, mm4      ;mm0 contains the interpolated value of A, B, C and D

  1931 

  1932 ;\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\

  1933          ;assemble the pixels

  1934          movq mm1, [Mask1]

  1935          movq mm2, [Mask2]

  1936          movq mm4, [eax+ebx+colorA]

  1937          movq mm5, [eax+ebx+colorB]

  1938          pand mm4, mm1

  1939          pand mm5, mm2

  1940 

  1941          pxor mm7, mm7

  1942          por mm1, mm2

  1943          por mm4, mm5

  1944          pcmpeqw mm1, mm7

  1945          pand mm0, mm1

  1946          por mm4, mm0        ;mm4 contains the diagonal pixels

  1947 

  1948          movq mm0, [ACPixel]

  1949          movq mm1, mm0

  1950          punpcklwd mm0, mm4

  1951          punpckhwd mm1, mm4

  1952 

  1953          push edx

  1954          add edx, [ebp+dstPitch]

  1955 

  1956 %ifdef FAR_POINTER

  1957          movq [fs:edx], mm0

  1958          movq [fs:edx+8], mm1

  1959 %else

  1960          movq [edx], mm0

  1961          movq [edx+8], mm1

  1962 %endif

  1963          pop edx

  1964 

  1965 .SKIP_PROCESS:

  1966          mov ecx, [ebp+deltaPtr]

  1967          add ecx, 8

  1968          mov [ebp+deltaPtr], ecx

  1969          add edx, 16

  1970          add eax, 8

  1971 

  1972          pop ecx

  1973          sub ecx, 4

  1974          cmp ecx, 0

  1975          jg  near .Loop

  1976 

  1977 ; Restore some stuff

  1978          popad

  1979          mov esp, ebp

  1980          pop ebp

  1981          emms

  1982          ret

  1983 

  1984 ;-------------------------------------------------------------------------

  1985 ;-------------------------------------------------------------------------

  1986 ;-------------------------------------------------------------------------

  1987 ;-------------------------------------------------------------------------

  1988 ;-------------------------------------------------------------------------

  1989 ;-------------------------------------------------------------------------

  1990 ;-------------------------------------------------------------------------

  1991 

  1992 %ifdef __DJGPP__

  1993 _Init_2xSaIMMX:

  1994 %else

  1995 Init_2xSaIMMX:

  1996 %endif

  1997 ; Store some stuff

  1998          push ebp

  1999          mov ebp, esp

  2000          push edx

  2001 

  2002 

  2003 ;Damn thing doesn't work

  2004 ;        mov eax,1

  2005 ;        cpuid

  2006 ;        test edx, 0x00800000     ;test bit 23

  2007 ;        jz end2 ;bit not set => no MMX detected

  2008 

  2009          mov eax, [ebp+8]         ;PixelFormat

  2010          cmp eax, 555

  2011          jz Bits555

  2012          cmp eax, 565

  2013          jz Bits565

  2014 end2:

  2015          mov eax, 1

  2016          jmp end3

  2017 Bits555:

  2018          mov edx, 0x7BDE7BDE

  2019          mov eax, colorMask

  2020          mov [eax], edx

  2021          mov [eax+4], edx

  2022          mov edx, 0x04210421

  2023          mov eax, lowPixelMask

  2024          mov [eax], edx

  2025          mov [eax+4], edx

  2026          mov edx, 0x739C739C

  2027          mov eax, qcolorMask

  2028          mov [eax], edx

  2029          mov [eax+4], edx

  2030          mov edx, 0x0C630C63

  2031          mov eax, qlowpixelMask

  2032          mov [eax], edx

  2033          mov [eax+4], edx

  2034          mov eax, 0

  2035          jmp end3

  2036 Bits565:

  2037          mov edx, 0xF7DEF7DE

  2038          mov eax, colorMask

  2039          mov [eax], edx

  2040          mov [eax+4], edx

  2041          mov edx, 0x08210821

  2042          mov eax, lowPixelMask

  2043          mov [eax], edx

  2044          mov [eax+4], edx

  2045          mov edx, 0xE79CE79C

  2046          mov eax, qcolorMask

  2047          mov [eax], edx

  2048          mov [eax+4], edx

  2049          mov edx, 0x18631863

  2050          mov eax, qlowpixelMask

  2051          mov [eax], edx

  2052          mov [eax+4], edx

  2053          mov eax, 0

  2054          jmp end3

  2055 end3:   

  2056          pop edx

  2057          mov esp, ebp

  2058          pop ebp

  2059          ret

  2060 

  2061 

  2062 ;-------------------------------------------------------------------------

  2063 ;-------------------------------------------------------------------------

  2064 ;-------------------------------------------------------------------------

  2065 ;-------------------------------------------------------------------------

  2066 ;-------------------------------------------------------------------------

  2067 ;-------------------------------------------------------------------------

  2068 ;-------------------------------------------------------------------------

  2069 

  2070         SECTION .data ALIGN = 32

  2071 ;Some constants

  2072 colorMask     dd 0xF7DEF7DE,0xF7DEF7DE

  2073 lowPixelMask  dd 0x08210821,0x08210821

  2074 

  2075 qcolorMask    dd 0xE79CE79C,0xE79CE79C

  2076 qlowpixelMask dd 0x18631863,0x18631863

  2077 

  2078 darkenMask    dd 0xC718C718,0xC718C718

  2079 GreenMask     dd 0x07E007E0,0x07E007E0

  2080 RedBlueMask   dd 0xF81FF81F,0xF81FF81F

  2081 

  2082 FALSE         dd 0x00000000,0x00000000

  2083 TRUE          dd 0xffffffff,0xffffffff

  2084 ONE           dd 0x00010001,0x00010001

  2085 

  2086 

  2087         SECTION .bss ALIGN = 32

  2088 ACPixel       resb 8

  2089 Mask1         resb 8

  2090 Mask2         resb 8

  2091 

  2092 I56Pixel      resb 8

  2093 I23Pixel      resb 8

  2094 I5556Pixel    resb 8

  2095 I2223Pixel    resb 8

  2096 I5666Pixel    resb 8

  2097 I2333Pixel    resb 8

  2098 Mask26        resb 8

  2099 Mask35        resb 8

  2100 Mask26b       resb 8

  2101 Mask35b       resb 8

  2102 product1a     resb 8

  2103 product1b     resb 8

  2104 product2a     resb 8

  2105 product2b     resb 8

  2106 final1a       resb 8

  2107 final1b       resb 8

  2108 final2a       resb 8

  2109 final2b       resb 8
author	Robert McIntyre <rlm@mit.edu>
date	Fri, 31 Aug 2012 09:37:18 -0500
parents	f9f4f1b99eed
children