void ksayakyu_state::palette_init()
{
const UINT8 *prom = machine().root_device().memregion("proms")->base();
int r, g, b, i;
for (i = 0; i < 0x100; i++)
{
r = (prom[i] & 0x07) >> 0;
g = (prom[i] & 0x38) >> 3;
b = (prom[i] & 0xc0) >> 6;
palette_set_color_rgb(machine(), i, pal3bit(r), pal3bit(g), pal2bit(b));
}
}
void ppu2c0x_rgb_device::init_palette()
{
/* Loop through the emphasis modes (8 total) */
int entry = 0;
for (int color_emphasis = 0; color_emphasis < 8; color_emphasis++)
{
for (int color_num = 0; color_num < 64; color_num++)
{
int R = ((color_emphasis & 1) ? 7 : m_palette_data[color_num * 3]);
int G = ((color_emphasis & 2) ? 7 : m_palette_data[color_num * 3 + 1]);
int B = ((color_emphasis & 4) ? 7 : m_palette_data[color_num * 3 + 2]);
set_pen_color(entry++, pal3bit(R), pal3bit(G), pal3bit(B));
}
}
/* color tables are modified at run-time, and are initialized on 'ppu2c0x_reset' */
}
PALETTE_INIT_MEMBER(huc6260_device, huc6260)
{
int i;
for ( i = 0; i < 512; i++ )
{
int r = pal3bit( ( i >> 3 ) & 7 );
int g = pal3bit( ( i >> 6 ) & 7 );
int b = pal3bit( ( i ) & 7 );
int y = ( ( 66 * r + 129 * g + 25 * b + 128 ) >> 8 ) + 16;
palette.set_pen_color( i, r, g, b );
palette.set_pen_color( 512 + i, y, y, y );
}
}
