apps/plugins/zxbox/zxvid_16bpp.c

   1 #include "zxvid_com.h"
   2
   3 #if LCD_DEPTH > 4
   4 /* screen routines for color targets */
   5
   6 /*
   7 use for slightly different colors
   8 #define N0 0x04
   9 #define N1 0x34
  10
  11 #define B0 0x08
  12 #define B1 0x3F
  13 */
  14
  15 #define N0 0x00
  16 #define N1 0xC0
  17
  18 #define B0 0x00
  19 #define B1 0xFF
  20
  21 struct rgb norm_colors[COLORNUM]={
  22   {0,0,0},{N0,N0,N1},{N1,N0,N0},{N1,N0,N1},
  23   {N0,N1,N0},{N0,N1,N1},{N1,N1,N0},{N1,N1,N1},
  24
  25   {0,0,0},{B0,B0,B1},{B1,B0,B0},{B1,B0,B1},
  26   {B0,B1,B0},{B0,B1,B1},{B1,B1,B0},{B1,B1,B1}
  27 };
  28
  29
  30 /* since emulator uses array of bytes for screen representation
  31  * short 16b colors won't fit there */
  32 short _16bpp_colors[16] IBSS_ATTR;
  33
  34 void init_spect_scr(void)
  35 {
  36     int i;
  37
  38     for(i = 0; i < 16; i++)
  39         sp_colors[i] = i;
  40     for(i = 0; i < 16; i++)
  41         _16bpp_colors[i] = LCD_RGBPACK(norm_colors[i].r,norm_colors[i].g,norm_colors[i].b);
  42     if ( settings.invert_colors ){
  43         for ( i = 0 ; i < 16 ; i++ )
  44             _16bpp_colors[i] = 0xFFFFFF - _16bpp_colors[i];
  45     }
  46     sp_image = (char *) &image_array;
  47     spscr_init_mask_color();
  48     spscr_init_line_pointers(HEIGHT);
  49
  50 }
  51
  52 void update_screen(void)
  53 {
  54     char str[80];
  55     fb_data *frameb;
  56
  57     int y=0;
  58
  59 #if LCD_HEIGHT >= ZX_HEIGHT && LCD_WIDTH >= ZX_WIDTH
  60     byte *scrptr;
  61     scrptr = (byte *) SPNM(image);
  62     frameb = rb->lcd_framebuffer;
  63     for ( y = 0 ; y < HEIGHT*WIDTH; y++ ){
  64         frameb[y] = _16bpp_colors[(unsigned)sp_image[y]];
  65     }
  66
  67 #else
  68     int x=0;
  69     int srcx, srcy=0;     /* x / y coordinates in source image */
  70     unsigned char* image;
  71     image = sp_image + ( (Y_OFF)*(WIDTH) ) + X_OFF;
  72     frameb = rb->lcd_framebuffer;
  73     for(y = 0; y < LCD_HEIGHT; y++)
  74     {
  75         srcx = 0;           /* reset our x counter before each row... */
  76         for(x = 0; x < LCD_WIDTH; x++)
  77         {
  78             *frameb = _16bpp_colors[image[srcx>>16]];
  79             srcx += X_STEP;    /* move through source image */
  80             frameb++;
  81         }
  82         srcy += Y_STEP;      /* move through the source image... */
  83         image += (srcy>>16)*WIDTH;   /* and possibly to the next row. */
  84         srcy &= 0xffff;     /* set up the y-coordinate between 0 and 1 */
  85     }
  86
  87 #endif
  88     if ( settings.showfps ) {
  89         int percent=0;
  90         int TPF = HZ/50;/* ticks per frame */
  91         if ((*rb->current_tick-start_time) > TPF )
  92             percent = 100*video_frames/((*rb->current_tick-start_time)/TPF);
  93         rb->snprintf(str,sizeof(str),"%d %%",percent);
  94         rb->lcd_putsxy(0,0,str);
  95     }
  96     rb -> lcd_update();
  97 }
  98
  99
 100 #endif /* HAVE_LCD_COLOR */