public static Bitmap GetSprite()
{
int i, x, x2, y, rows, zoom_x, zoom_y, scanline, attr_and_code_offs, code, gfx_offset;
int sprite_y, tile, zoom_x_table_offset, line_pens_offset, sprite_line, zoom_line, x_inc;
ushort y_control, zoom_control, attr, x_2, code_2;
byte sprite_y_and_tile;
bool invert;
Machine.FORM.neogeoform.tbResult.Clear();
Bitmap bm1;
bm1 = new Bitmap(384, 264);
BitmapData bmData;
bmData = bm1.LockBits(new Rectangle(0, 0, bm1.Width, bm1.Height), ImageLockMode.ReadWrite, PixelFormat.Format32bppArgb);
unsafe
{
byte *ptr = (byte *)(bmData.Scan0);
byte *ptr2 = (byte *)0;
y = 0;
x = 0;
rows = 0;
zoom_y = 0;
zoom_x = 0;
foreach (int sprite_number in lSprite)
{
y_control = Neogeo.neogeo_videoram[0x8200 | sprite_number];
zoom_control = Neogeo.neogeo_videoram[0x8000 | sprite_number];
x_2 = Neogeo.neogeo_videoram[0x8400 | sprite_number];
code_2 = Neogeo.neogeo_videoram[sprite_number << 6];
if (sprite_number == 0x03 || sprite_number == 0xfa || sprite_number == 0x113 || sprite_number == 0x117 || sprite_number == 0x12b)
{
int i1 = 1;
}
if ((y_control & 0x40) != 0)
{
x = (x + zoom_x + 1) & 0x01ff;
zoom_x = (zoom_control >> 8) & 0x0f;
}
else
{
y = 0x200 - (y_control >> 7);
x = Neogeo.neogeo_videoram[0x8400 | sprite_number] >> 7;
zoom_y = zoom_control & 0xff;
zoom_x = (zoom_control >> 8) & 0x0f;
rows = y_control & 0x3f;
}
Machine.FORM.neogeoform.tbResult.AppendText(sprite_number.ToString("X3") + " " + x_2.ToString("X4") + " " + y_control.ToString("X4") + " " + code_2.ToString("X4") + " " + zoom_control.ToString("X4") + "\r\n");
if (((x >= 0x140) && (x <= 0x1f0)) || rows == 0)
{
continue;
}
if (x == 0)
{
int i1 = 1;
}
for (scanline = 0; scanline < 264; scanline++)
{
if (Neogeo.sprite_on_scanline(scanline, y, rows))
{
sprite_line = (scanline - y) & 0x1ff;
zoom_line = sprite_line & 0xff;
invert = ((sprite_line & 0x100) != 0) ? true : false;
if (invert)
{
zoom_line ^= 0xff;
}
if (rows > 0x20)
{
zoom_line = zoom_line % ((zoom_y + 1) << 1);
if (zoom_line > zoom_y)
{
zoom_line = ((zoom_y + 1) << 1) - 1 - zoom_line;
invert = !invert;
}
}
sprite_y_and_tile = Neogeo.zoomyrom[(zoom_y << 8) | zoom_line];
sprite_y = sprite_y_and_tile & 0x0f;
tile = sprite_y_and_tile >> 4;
if (invert)
{
sprite_y ^= 0x0f;
tile ^= 0x1f;
}
attr_and_code_offs = (sprite_number << 6) | (tile << 1);
attr = Neogeo.neogeo_videoram[attr_and_code_offs + 1];
code = ((attr << 12) & 0x70000) | Neogeo.neogeo_videoram[attr_and_code_offs];
if (Neogeo.auto_animation_disabled == 0)
{
if ((attr & 0x0008) != 0)
{
code = (code & ~0x07) | (Neogeo.auto_animation_counter & 0x07);
}
else if ((attr & 0x0004) != 0)
{
code = (code & ~0x03) | (Neogeo.auto_animation_counter & 0x03);
}
}
if ((attr & 0x0002) != 0)
{
sprite_y ^= 0x0f;
}
zoom_x_table_offset = 0;
gfx_offset = (int)(((code << 8) | (sprite_y << 4)) & Neogeo.sprite_gfx_address_mask);
line_pens_offset = attr >> 8 << 4;
if ((attr & 0x0001) != 0)
{
gfx_offset = gfx_offset + 0x0f;
x_inc = -1;
}
else
{
x_inc = 1;
}
if (x <= 0x01f0)
{
x2 = x + 30;
for (i = 0; i < 0x10; i++)
{
if (Neogeo.zoom_x_tables[zoom_x, zoom_x_table_offset] != 0)
{
if (Neogeo.sprite_gfx[gfx_offset] != 0)
{
ptr2 = ptr + (scanline * 384 + x2) * 4;
*ptr2 = (byte)(Neogeo.pens[line_pens_offset + Neogeo.sprite_gfx[gfx_offset]] & 0xff);
*(ptr2 + 1) = (byte)((Neogeo.pens[line_pens_offset + Neogeo.sprite_gfx[gfx_offset]] & 0xff00) >> 8);
*(ptr2 + 2) = (byte)((Neogeo.pens[line_pens_offset + Neogeo.sprite_gfx[gfx_offset]] & 0xff0000) >> 16);
*(ptr2 + 3) = 0xff;
}
x2++;
}
zoom_x_table_offset++;
gfx_offset += x_inc;
}
}
else
{
int i1 = 1;
}
}
}
}
}
bm1.UnlockBits(bmData);
return(bm1);
}