#include "emu.h" #include "video/konicdev.h" #include "includes/parodius.h" /*************************************************************************** Callbacks for the K052109 ***************************************************************************/ void parodius_tile_callback( running_machine &machine, int layer, int bank, int *code, int *color, int *flags, int *priority ) { parodius_state *state = machine.driver_data(); *code |= ((*color & 0x03) << 8) | ((*color & 0x10) << 6) | ((*color & 0x0c) << 9) | (bank << 13); *color = state->m_layer_colorbase[layer] + ((*color & 0xe0) >> 5); } /*************************************************************************** Callbacks for the K053245 ***************************************************************************/ void parodius_sprite_callback( running_machine &machine, int *code, int *color, int *priority_mask ) { parodius_state *state = machine.driver_data(); int pri = 0x20 | ((*color & 0x60) >> 2); 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 & 0x1f); } /*************************************************************************** Start the video hardware emulation. ***************************************************************************/ SCREEN_UPDATE( parodius ) { parodius_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_CI4); state->m_layer_colorbase[2] = k053251_get_palette_index(state->m_k053251, K053251_CI3); 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_CI4); layer[2] = 2; state->m_layerpri[2] = k053251_get_priority(state->m_k053251, K053251_CI3); 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); k053245_sprites_draw(state->m_k053245, bitmap, cliprect); return 0; }