void segaorun_state::video_start()
{
if (m_shangon_video)
{
// initialize the tile/text layers
segaic16_tilemap_init(machine(), 0, SEGAIC16_TILEMAP_16B_ALT, 0x000, 0, 2);
// initialize the road
segaic16_road_init(machine(), 0, SEGAIC16_ROAD_OUTRUN, 0x7f6, 0x7c0, 0x7c0, 0);
}
else
{
// initialize the tile/text layers
segaic16_tilemap_init(machine(), 0, SEGAIC16_TILEMAP_16B, 0x000, 0, 2);
// initialize the road
segaic16_road_init(machine(), 0, SEGAIC16_ROAD_OUTRUN, 0x400, 0x420, 0x780, 0);
}
}
static void video_start_common(running_machine *machine, int type)
{
/* compute palette info */
segaic16_palette_init(0x800);
/* initialize the tile/text layers */
segaic16_tilemap_init(machine, 0, type, 0x000, 0, 2);
/* initialize the sprites */
segaic16_sprites_init(machine, 0, SEGAIC16_SPRITES_16B, 0x400, 0);
}
void segaxbd_state::video_start()
{
// compute palette info
segaic16_palette_init(0x2000);
// initialize the tile/text layers
segaic16_tilemap_init(machine(), 0, SEGAIC16_TILEMAP_16B, 0x1c00, 0, 2);
// initialize the road
segaic16_road_init(machine(), 0, SEGAIC16_ROAD_XBOARD, 0x1700, 0x1720, 0x1780, -166);
}
static int video_start_common(int type)
{
/* compute palette info */
segaic16_palette_init(0x800);
/* initialize the tile/text layers */
if (segaic16_tilemap_init(0, type, 0x000, 0, 2))
return 1;
/* initialize the sprites */
if (segaic16_sprites_init(0, SEGAIC16_SPRITES_16B, 0x400, 0))
return 1;
return 0;
}
void segas18_state::video_start()
{
m_temp_bitmap.allocate(machine().primary_screen->width(), machine().primary_screen->height());
m_grayscale_enable = false;
m_vdp_enable = false;
m_vdp_mixing = 0;
// initialize the tile/text layers
segaic16_tilemap_init(machine(), 0, SEGAIC16_TILEMAP_16B, 0x000, 0, 8);
save_item(NAME(m_grayscale_enable));
save_item(NAME(m_vdp_enable));
save_item(NAME(m_vdp_mixing));
save_item(NAME(m_temp_bitmap));
}
