remove PicoDrive-specific stuff, add readme

[libpicofe.git] / linux / blit.c

diff --git a/linux/blit.c b/linux/blit.c
deleted file mode 100644 (file)
index fbaac03..0000000
--- a/linux/blit.c
+++ /dev/null
@@ -1,83 +0,0 @@
-
-// Convert 0000bbb0 ggg0rrr0 0000bbb0 ggg0rrr0
-// to      00000000 rrr00000 ggg00000 bbb00000 ...
-// TODO: rm when gp2x/emu.c is no longer used
-
-void bgr444_to_rgb32(void *to, void *from)
-{
-       unsigned short *ps = from;
-       unsigned int   *pd = to;
-       int pixels;
-
-       for (pixels = 0x40; pixels; pixels--, ps++, pd++)
-       {
-               *pd = ((*ps<<20)&0xe00000) | ((*ps<<8)&0xe000) | ((*ps>>4)&0xe0);
-               *pd |= *pd >> 3;
-       }
-}
-
-void bgr444_to_rgb32_sh(void *to, void *from)
-{
-       unsigned short *ps = from;
-       unsigned int   *pd = to;
-       int pixels;
-
-       pd += 0x40;
-       for (pixels = 0x40; pixels; pixels--, ps++, pd++)
-       {
-               *pd = ((*ps<<20)&0xe00000) | ((*ps<<8)&0xe000) | ((*ps>>4)&0xe0);
-               *pd >>= 1;
-               *pd |= *pd >> 3;
-               pd[0x40*2] = *pd;
-       }
-
-       ps -= 0x40;
-       for (pixels = 0x40; pixels; pixels--, ps++, pd++)
-       {
-               *pd = ((*ps<<20)&0xe00000) | ((*ps<<8)&0xe000) | ((*ps>>4)&0xe0);
-               continue;
-               *pd += 0x00404040;
-               if (*pd & 0x01000000) *pd |= 0x00e00000;
-               if (*pd & 0x00010000) *pd |= 0x0000e000;
-               if (*pd & 0x00000100) *pd |= 0x000000e0;
-               *pd &= 0x00e0e0e0;
-               *pd |= *pd >> 3;
-       }
-}
-
-void vidcpy_m2(void *dest, void *src, int m32col, int with_32c_border)
-{
-       unsigned char *pd = dest, *ps = src;
-       int i, u;
-
-       if (m32col) {
-               for (i = 0; i < 224; i++)
-               {
-                       ps += 8;
-                       pd += 32;
-                       for (u = 0; u < 256; u++)
-                               *pd++ = *ps++;
-                       ps += 64;
-                       pd += 32;
-               }
-       } else {
-               for (i = 0; i < 224; i++)
-               {
-                       ps += 8;
-                       for (u = 0; u < 320; u++)
-                               *pd++ = *ps++;
-               }
-       }
-}
-
-void vidcpy_m2_rot(void *dest, void *src, int m32col, int with_32c_border)
-{
-}
-
-void rotated_blit8 (void *dst, void *linesx4, int y, int is_32col)
-{
-}
-
-void rotated_blit16(void *dst, void *linesx4, int y, int is_32col)
-{
-}