Shamusworld >> Repos - virtualjaguar/blob - src/include/fbmpop8p.h

   1                 int count=0;
   2                 uint32 c;
   3                 paletteRam+=(idx&0x01)*256*2;
   4                 if (flags&FLAGS_READMODIFY)
   5                 {
   6                         if (flags&FLAGS_HFLIP)
   7                         {
   8                                 while (iwidth)
   9                                 {
  10                                         c=jaguar_byte_read(ptr++);
  11                                         c<<=1;
  12                                         if (flags&FLAGS_TRANSPARENT)
  13                                         {
  14                                                 if (c)
  15                                                 {
  16                                                         *current_line_buffer--=BLEND_Y(*current_line_buffer,paletteRam[c+0]);
  17                                                         *current_line_buffer--=BLEND_CC(*current_line_buffer,paletteRam[c+1]);
  18                                                 }
  19                                                 else
  20                                                         current_line_buffer-=2;
  21                                         }
  22                                         else
  23                                         {
  24                                                 *current_line_buffer--=BLEND_Y(*current_line_buffer,paletteRam[c+0]);
  25                                                 *current_line_buffer--=BLEND_CC(*current_line_buffer,paletteRam[c+1]);
  26                                         }
  27                                         count+=1;
  28                                         if (count==8) // 8 bytes = a phrase (64 bits)
  29                                         {
  30                                                 ptr-=8*(pitch-1);
  31                                                 count=0;
  32                                         }
  33                                         iwidth--;
  34                                 }
  35                         }
  36                         else
  37                         {
  38                                 while (iwidth)
  39                                 {
  40                                         c=jaguar_byte_read(ptr++);
  41                                         c<<=1;
  42                                         if (flags&FLAGS_TRANSPARENT)
  43                                         {
  44                                                 if (c)
  45                                                 {
  46                                                         *current_line_buffer++=BLEND_Y(*current_line_buffer,paletteRam[c+0]);
  47                                                         *current_line_buffer++=BLEND_CC(*current_line_buffer,paletteRam[c+1]);
  48                                                 }
  49                                                 else
  50                                                         current_line_buffer+=2;
  51                                         }
  52                                         else
  53                                         {
  54                                                 *current_line_buffer++=BLEND_Y(*current_line_buffer,paletteRam[c+0]);
  55                                                 *current_line_buffer++=BLEND_CC(*current_line_buffer,paletteRam[c+1]);
  56                                         }
  57                                         count+=1;
  58                                         if (count==8) // 8 bytes = a phrase (64 bits)
  59                                         {
  60                                                 ptr+=8*(pitch-1);
  61                                                 count=0;
  62                                         }
  63                                         iwidth--;
  64                                 }
  65                         }
  66                 }
  67                 else
  68                 {
  69                         if (flags&FLAGS_HFLIP)
  70                         {
  71                                 while (iwidth)
  72                                 {
  73                                         c=jaguar_byte_read(ptr++);
  74                                         c<<=1;
  75                                         if (flags&FLAGS_TRANSPARENT)
  76                                         {
  77                                                 if (c)
  78                                                 {
  79                                                         *current_line_buffer--=paletteRam[c+0];
  80                                                         *current_line_buffer--=paletteRam[c+1];
  81                                                 }
  82                                                 else
  83                                                         current_line_buffer-=2;
  84                                         }
  85                                         else
  86                                         {
  87                                                 *current_line_buffer--=paletteRam[c+0];
  88                                                 *current_line_buffer--=paletteRam[c+1];
  89                                         }
  90                                         count+=1;
  91                                         if (count==8) // 8 bytes = a phrase (64 bits)
  92                                         {
  93                                                 ptr-=8*(pitch-1);
  94                                                 count=0;
  95                                         }
  96                                         iwidth--;
  97                                 }
  98                         }
  99                         else
 100                         {
 101                                 while (iwidth)
 102                                 {
 103                                         c=jaguar_byte_read(ptr++);
 104                                         c<<=1;
 105                                         if (flags&FLAGS_TRANSPARENT)
 106                                         {
 107                                                 if (c)
 108                                                 {
 109                                                         *current_line_buffer++=paletteRam[c+0];
 110                                                         *current_line_buffer++=paletteRam[c+1];
 111                                                 }
 112                                                 else
 113                                                         current_line_buffer+=2;
 114                                         }
 115                                         else
 116                                         {
 117                                                 *current_line_buffer++=paletteRam[c+0];
 118                                                 *current_line_buffer++=paletteRam[c+1];
 119                                         }
 120                                         count+=1;
 121                                         if (count==8) // 8 bytes = a phrase (64 bits)
 122                                         {
 123                                                 ptr+=8*(pitch-1);
 124                                                 count=0;
 125                                         }
 126                                         iwidth--;
 127                                 }
 128                         }
 129                 }