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- /*
- * PicoDrive
- * (C) notaz, 2006,2009
- *
- * This work is licensed under the terms of MAME license.
- * See COPYING file in the top-level directory.
- */
- // 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)
- {
- }
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