public static int K051316_vh_start_0(int gfx_memory_region, int bpp, _K051316_callback callback)
{
return K051316_vh_start(0, gfx_memory_region, bpp, callback);
}
public static int K051316_vh_start(int chip, int gfx_memory_region, int bpp, _K051316_callback callback)
{
int gfx_index;
/* find first empty slot to decode gfx */
for (gfx_index = 0; gfx_index < Mame.MAX_GFX_ELEMENTS; gfx_index++)
if (Mame.Machine.gfx[gfx_index] == null)
break;
if (gfx_index == Mame.MAX_GFX_ELEMENTS)
return 1;
if (bpp == 4)
{
Mame.GfxLayout charlayout =
new Mame.GfxLayout(
16, 16,
0, /* filled in later */
4,
new uint[] { 0, 1, 2, 3 },
new uint[] { 0 * 4, 1 * 4, 2 * 4, 3 * 4, 4 * 4, 5 * 4, 6 * 4, 7 * 4, 8 * 4, 9 * 4, 10 * 4, 11 * 4, 12 * 4, 13 * 4, 14 * 4, 15 * 4 },
new uint[] { 0 * 64, 1 * 64, 2 * 64, 3 * 64, 4 * 64, 5 * 64, 6 * 64, 7 * 64, 8 * 64, 9 * 64, 10 * 64, 11 * 64, 12 * 64, 13 * 64, 14 * 64, 15 * 64 },
128 * 8
);
/* tweak the structure for the number of tiles we have */
charlayout.total = (uint)Mame.memory_region_length(gfx_memory_region) / 128;
/* decode the graphics */
Mame.Machine.gfx[gfx_index] = Mame.decodegfx(Mame.memory_region(gfx_memory_region), charlayout);
}
else if (bpp == 7)
{
Mame.GfxLayout charlayout =
new Mame.GfxLayout(
16, 16,
0, /* filled in later */
7,
new uint[] { 1, 2, 3, 4, 5, 6, 7 },
new uint[] { 0 * 8, 1 * 8, 2 * 8, 3 * 8, 4 * 8, 5 * 8, 6 * 8, 7 * 8, 8 * 8, 9 * 8, 10 * 8, 11 * 8, 12 * 8, 13 * 8, 14 * 8, 15 * 8 },
new uint[] { 0 * 128, 1 * 128, 2 * 128, 3 * 128, 4 * 128, 5 * 128, 6 * 128, 7 * 128, 8 * 128, 9 * 128, 10 * 128, 11 * 128, 12 * 128, 13 * 128, 14 * 128, 15 * 128 },
256 * 8
);
/* tweak the structure for the number of tiles we have */
charlayout.total = (uint)Mame.memory_region_length(gfx_memory_region) / 256;
/* decode the graphics */
Mame.Machine.gfx[gfx_index] = Mame.decodegfx(Mame.memory_region(gfx_memory_region), charlayout);
}
else
{
//Mame.printf("K051316_vh_start supports only 4 or 7 bpp\n");
return 1;
}
if (Mame.Machine.gfx[gfx_index] == null)
return 1;
/* set the color information */
Mame.Machine.gfx[gfx_index].colortable = new UShortSubArray(Mame.Machine.remapped_colortable);
Mame.Machine.gfx[gfx_index].total_colors = (int)(Mame.Machine.drv.color_table_len / (1 << bpp));
K051316_memory_region[chip] = gfx_memory_region;
K051316_gfxnum[chip] = gfx_index;
K051316_bpp[chip] = bpp;
K051316_callback[chip] = callback;
K051316_tilemap[chip] = Mame.tilemap_create(K051316_get_tile_info, Mame.TILEMAP_OPAQUE, 16, 16, 32, 32);
K051316_ram[chip] = new _BytePtr(0x800);
if (K051316_ram[chip] == null || K051316_tilemap[chip] == null)
{
K051316_vh_stop(chip);
return 1;
}
Mame.tilemap_set_clip(K051316_tilemap[chip], null);
K051316_wraparound[chip] = 0; /* default = no wraparound */
K051316_offset[chip][0] = K051316_offset[chip][1] = 0;
return 0;
}