UINT32 toaplan2_state::screen_update_batrider(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
{
screen_update_toaplan2(screen, bitmap, cliprect);
int line;
rectangle clip;
const rectangle &visarea = screen.visible_area();
clip = visarea;
/* used for 'for use in' and '8ing' screen on bbakraid, raizing on batrider */
for (line = 0; line < 256;line++)
{
if (m_tx_flip)
{
clip.min_y = clip.max_y = 256 - line;
m_tx_tilemap->set_scrolly(0, 256 - line + m_txvideoram16_offs[256 - line]);
}
else
{
clip.min_y = clip.max_y = line;
m_tx_tilemap->set_scrolly(0, - line + m_txvideoram16_offs[ line]);
}
m_tx_tilemap->draw(screen, bitmap, clip, 0, 0);
}
return 0;
}
uint32_t toaplan2_state::screen_update_truxton2(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
{
screen_update_toaplan2(screen, bitmap, cliprect);
rectangle clip = cliprect;
/* it seems likely that flipx can be set per line! */
/* however, none of the games does it, and emulating it in the */
/* MAME tilemap system without being ultra slow would be tricky */
m_tx_tilemap->set_flip(m_tx_lineselect[0] & 0x8000 ? 0 : TILEMAP_FLIPX);
/* line select is used for 'for use in' and '8ing' screen on bbakraid, 'Raizing' logo on batrider */
for (int y = cliprect.min_y; y <= cliprect.max_y; y++)
{
clip.min_y = clip.max_y = y;
m_tx_tilemap->set_scrolly(0, m_tx_lineselect[y] - y);
m_tx_tilemap->draw(screen, bitmap, clip, 0);
}
return 0;
}
/* fixeightbl and bgareggabl do not use the lineselect or linescroll tables */
uint32_t toaplan2_state::screen_update_bootleg(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
{
screen_update_toaplan2(screen, bitmap, cliprect);
m_tx_tilemap->draw(screen, bitmap, cliprect, 0);
return 0;
}
UINT32 toaplan2_state::screen_update_truxton2(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
{
screen_update_toaplan2(screen, bitmap, cliprect);
m_tx_tilemap->draw(screen, bitmap, cliprect, 0, 0);
return 0;
}
