// license:BSD-3-Clause // copyright-holders:Ernesto Corvi #include "emu.h" #include "includes/simpsons.h" /*************************************************************************** Callbacks for the K052109 ***************************************************************************/ K052109_CB_MEMBER(simpsons_state::tile_callback) { *code |= ((*color & 0x3f) << 8) | (bank << 14); *color = m_layer_colorbase[layer] + ((*color & 0xc0) >> 6); } /*************************************************************************** Callbacks for the K053247 ***************************************************************************/ K053246_CB_MEMBER(simpsons_state::sprite_callback) { int pri = (*color & 0x0f80) >> 6; /* ??????? */ if (pri <= m_layerpri[2]) *priority_mask = 0; else if (pri > m_layerpri[2] && pri <= m_layerpri[1]) *priority_mask = 0xf0; else if (pri > m_layerpri[1] && pri <= m_layerpri[0]) *priority_mask = 0xf0 | 0xcc; else *priority_mask = 0xf0 | 0xcc | 0xaa; *color = m_sprite_colorbase + (*color & 0x001f); } /*************************************************************************** Extra video banking ***************************************************************************/ READ8_MEMBER(simpsons_state::simpsons_k052109_r) { return m_k052109->read(space, offset + 0x2000); } WRITE8_MEMBER(simpsons_state::simpsons_k052109_w) { m_k052109->write(space, offset + 0x2000, data); } READ8_MEMBER(simpsons_state::simpsons_k053247_r) { int offs = offset >> 1; if (offset & 1) return(m_spriteram[offs] & 0xff); else return(m_spriteram[offs] >> 8); } WRITE8_MEMBER(simpsons_state::simpsons_k053247_w) { int offs = offset >> 1; if (offset & 1) m_spriteram[offs] = (m_spriteram[offs] & 0xff00) | data; else m_spriteram[offs] = (m_spriteram[offs] & 0x00ff) | (data << 8); } void simpsons_state::simpsons_video_banking( int bank ) { m_bank0000->set_bank(bank & 1); m_bank2000->set_bank((bank >> 1) & 1); } /*************************************************************************** Display refresh ***************************************************************************/ uint32_t simpsons_state::screen_update_simpsons(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect) { int layer[3], bg_colorbase; bg_colorbase = m_k053251->get_palette_index(k053251_device::CI0); m_sprite_colorbase = m_k053251->get_palette_index(k053251_device::CI1); m_layer_colorbase[0] = m_k053251->get_palette_index(k053251_device::CI2); m_layer_colorbase[1] = m_k053251->get_palette_index(k053251_device::CI3); m_layer_colorbase[2] = m_k053251->get_palette_index(k053251_device::CI4); m_k052109->tilemap_update(); layer[0] = 0; m_layerpri[0] = m_k053251->get_priority(k053251_device::CI2); layer[1] = 1; m_layerpri[1] = m_k053251->get_priority(k053251_device::CI3); layer[2] = 2; m_layerpri[2] = m_k053251->get_priority(k053251_device::CI4); konami_sortlayers3(layer, m_layerpri); screen.priority().fill(0, cliprect); bitmap.fill(16 * bg_colorbase, cliprect); m_k052109->tilemap_draw(screen, bitmap, cliprect, layer[0], 0, 1); m_k052109->tilemap_draw(screen, bitmap, cliprect, layer[1], 0, 2); m_k052109->tilemap_draw(screen, bitmap, cliprect, layer[2], 0, 4); m_k053246->k053247_sprites_draw(bitmap, cliprect); return 0; }