Shamusworld >> Repos - virtualjaguar/blob - src/include/zbmpop1p.h

   1                 uint8   *paletteRam=&tom_ram_8[0x400];
   2                 paletteRam+=(idx<<2);
   3
   4                 if (flags&FLAGS_HFLIP)
   5                 {
   6                         while (scaled_width)
   7                         {
   8                                 uint32 c=jaguar_byte_read(ptr+(((cnt>>16) & (~0x3f))*pitch)+((cnt>>16)&0x3f));
   9                                 c=(c>>(8-((cnt>>16)&0x07)))&0x01;
  10                                 if (flags&FLAGS_TRANSPARENT)
  11                                 {
  12                                         if (c)
  13                                         {
  14                                                 *current_line_buffer--=paletteRam[(c<<1)+0];
  15                                                 *current_line_buffer--=paletteRam[(c<<1)+1];
  16                                         }
  17                                         else
  18                                                 current_line_buffer-=2;
  19                                 }
  20                                 else
  21                                 {
  22                                         *current_line_buffer--=paletteRam[(c<<1)+0];
  23                                         *current_line_buffer--=paletteRam[(c<<1)+1];
  24                                 }
  25                                 cnt+=hscale_fixed;
  26                                 scaled_width--;
  27                         }
  28                 }
  29                 else
  30                 {
  31                         while (scaled_width)
  32                         {
  33                                 uint32 c=jaguar_byte_read(ptr+(((cnt>>16) & (~0x3f))*pitch)+((cnt>>16)&0x3f));
  34                                 c=(c>>(8-((cnt>>16)&0x07)))&0x01;
  35                                 if (flags&FLAGS_TRANSPARENT)
  36                                 {
  37                                         if (c)
  38                                         {
  39                                                 *current_line_buffer++=paletteRam[(c<<1)+0];
  40                                                 *current_line_buffer++=paletteRam[(c<<1)+1];
  41                                         }
  42                                         else
  43                                                 current_line_buffer+=2;
  44                                 }
  45                                 else
  46                                 {
  47                                         *current_line_buffer++=paletteRam[(c<<1)+0];
  48                                         *current_line_buffer++=paletteRam[(c<<1)+1];
  49                                 }
  50                                 cnt+=hscale_fixed;
  51                                 scaled_width--;
  52                         }
  53                 }