#include "emu.h" #include "video/konicdev.h" #include "includes/simpsons.h" /*************************************************************************** Callbacks for the K052109 ***************************************************************************/ void simpsons_tile_callback( running_machine &machine, int layer, int bank, int *code, int *color, int *flags, int *priority ) { simpsons_state *state = machine.driver_data(); *code |= ((*color & 0x3f) << 8) | (bank << 14); *color = state->m_layer_colorbase[layer] + ((*color & 0xc0) >> 6); } /*************************************************************************** Callbacks for the K053247 ***************************************************************************/ void simpsons_sprite_callback( running_machine &machine, int *code, int *color, int *priority_mask ) { simpsons_state *state = machine.driver_data(); int pri = (*color & 0x0f80) >> 6; /* ??????? */ if (pri <= state->m_layerpri[2]) *priority_mask = 0; else if (pri > state->m_layerpri[2] && pri <= state->m_layerpri[1]) *priority_mask = 0xf0; else if (pri > state->m_layerpri[1] && pri <= state->m_layerpri[0]) *priority_mask = 0xf0 | 0xcc; else *priority_mask = 0xf0 | 0xcc | 0xaa; *color = state->m_sprite_colorbase + (*color & 0x001f); } /*************************************************************************** Extra video banking ***************************************************************************/ static READ8_HANDLER( simpsons_k052109_r ) { simpsons_state *state = space->machine().driver_data(); return k052109_r(state->m_k052109, offset + 0x2000); } static WRITE8_HANDLER( simpsons_k052109_w ) { simpsons_state *state = space->machine().driver_data(); k052109_w(state->m_k052109, offset + 0x2000, data); } static READ8_HANDLER( simpsons_k053247_r ) { simpsons_state *state = space->machine().driver_data(); int offs; if (offset < 0x1000) { offs = offset >> 1; if (offset & 1) return(state->m_spriteram[offs] & 0xff); else return(state->m_spriteram[offs] >> 8); } else return state->m_xtraram[offset - 0x1000]; } static WRITE8_HANDLER( simpsons_k053247_w ) { simpsons_state *state = space->machine().driver_data(); int offs; if (offset < 0x1000) { UINT16 *spriteram = state->m_spriteram; offs = offset >> 1; if (offset & 1) spriteram[offs] = (spriteram[offs] & 0xff00) | data; else spriteram[offs] = (spriteram[offs] & 0x00ff) | (data << 8); } else state->m_xtraram[offset - 0x1000] = data; } void simpsons_video_banking( running_machine &machine, int bank ) { simpsons_state *state = machine.driver_data(); address_space *space = machine.device("maincpu")->memory().space(AS_PROGRAM); if (bank & 1) { space->install_read_bank(0x0000, 0x0fff, "bank5"); space->install_legacy_write_handler(0x0000, 0x0fff, FUNC(paletteram_xBBBBBGGGGGRRRRR_be_w)); memory_set_bankptr(machine, "bank5", machine.generic.paletteram.v); } else space->install_legacy_readwrite_handler(*state->m_k052109, 0x0000, 0x0fff, FUNC(k052109_r), FUNC(k052109_w)); if (bank & 2) space->install_legacy_readwrite_handler(0x2000, 0x3fff, FUNC(simpsons_k053247_r), FUNC(simpsons_k053247_w)); else space->install_legacy_readwrite_handler(0x2000, 0x3fff, FUNC(simpsons_k052109_r), FUNC(simpsons_k052109_w)); } /*************************************************************************** Display refresh ***************************************************************************/ SCREEN_UPDATE( simpsons ) { simpsons_state *state = screen->machine().driver_data(); int layer[3], bg_colorbase; bg_colorbase = k053251_get_palette_index(state->m_k053251, K053251_CI0); state->m_sprite_colorbase = k053251_get_palette_index(state->m_k053251, K053251_CI1); state->m_layer_colorbase[0] = k053251_get_palette_index(state->m_k053251, K053251_CI2); state->m_layer_colorbase[1] = k053251_get_palette_index(state->m_k053251, K053251_CI3); state->m_layer_colorbase[2] = k053251_get_palette_index(state->m_k053251, K053251_CI4); k052109_tilemap_update(state->m_k052109); layer[0] = 0; state->m_layerpri[0] = k053251_get_priority(state->m_k053251, K053251_CI2); layer[1] = 1; state->m_layerpri[1] = k053251_get_priority(state->m_k053251, K053251_CI3); layer[2] = 2; state->m_layerpri[2] = k053251_get_priority(state->m_k053251, K053251_CI4); konami_sortlayers3(layer, state->m_layerpri); bitmap_fill(screen->machine().priority_bitmap, cliprect, 0); bitmap_fill(bitmap, cliprect, 16 * bg_colorbase); k052109_tilemap_draw(state->m_k052109, bitmap, cliprect, layer[0], 0, 1); k052109_tilemap_draw(state->m_k052109, bitmap, cliprect, layer[1], 0, 2); k052109_tilemap_draw(state->m_k052109, bitmap, cliprect, layer[2], 0, 4); k053247_sprites_draw(state->m_k053246, bitmap, cliprect); return 0; }