/*************************************************************************** Tumblepop Video emulation - Bryan McPhail, mish@tendril.co.uk ********************************************************************* Uses Data East custom chip 55 for backgrounds, custom chip 52 for sprites. See Dark Seal & Caveman Ninja drivers for info on these chips. Tumblepop is one of few games to take advantage of the playfields ability to switch between 8*8 tiles and 16*16 tiles. ***************************************************************************/ #include "emu.h" #include "video/deco16ic.h" #include "includes/tumblep.h" #include "video/decospr.h" SCREEN_UPDATE( tumblep ) { tumblep_state *state = screen->machine().driver_data(); UINT16 flip = deco16ic_pf_control_r(state->m_deco_tilegen1, 0, 0xffff); flip_screen_set(screen->machine(), BIT(flip, 7)); deco16ic_pf_update(state->m_deco_tilegen1, state->m_pf1_rowscroll, state->m_pf2_rowscroll); bitmap_fill(bitmap, cliprect, 256); /* not verified */ deco16ic_tilemap_2_draw(state->m_deco_tilegen1, bitmap, cliprect, TILEMAP_DRAW_OPAQUE, 0); deco16ic_tilemap_1_draw(state->m_deco_tilegen1, bitmap, cliprect, 0, 0); screen->machine().device("spritegen")->draw_sprites(screen->machine(), bitmap, cliprect, state->m_spriteram, 0x400); return 0; }