#include "emu.h" #include "video/konicdev.h" #include "includes/gbusters.h" /*************************************************************************** Callbacks for the K052109 ***************************************************************************/ void gbusters_tile_callback( running_machine &machine, int layer, int bank, int *code, int *color, int *flags, int *priority ) { gbusters_state *state = machine.driver_data(); /* (color & 0x02) is flip y handled internally by the 052109 */ *code |= ((*color & 0x0d) << 8) | ((*color & 0x10) << 5) | (bank << 12); *color = state->m_layer_colorbase[layer] + ((*color & 0xe0) >> 5); } /*************************************************************************** Callbacks for the K051960 ***************************************************************************/ void gbusters_sprite_callback( running_machine &machine, int *code, int *color, int *priority, int *shadow ) { gbusters_state *state = machine.driver_data(); *priority = (*color & 0x30) >> 4; *color = state->m_sprite_colorbase + (*color & 0x0f); } /*************************************************************************** Start the video hardware emulation. ***************************************************************************/ VIDEO_START( gbusters ) { gbusters_state *state = machine.driver_data(); state->m_layer_colorbase[0] = 48; state->m_layer_colorbase[1] = 0; state->m_layer_colorbase[2] = 16; state->m_sprite_colorbase = 32; } SCREEN_UPDATE( gbusters ) { gbusters_state *state = screen->machine().driver_data(); k052109_tilemap_update(state->m_k052109); /* sprite priority 3 = disable */ if (state->m_priority) { // k051960_sprites_draw(state->m_k051960, bitmap, cliprect, 1, 1); /* are these used? */ k052109_tilemap_draw(state->m_k052109, bitmap, cliprect, 2, TILEMAP_DRAW_OPAQUE, 0); k051960_sprites_draw(state->m_k051960, bitmap, cliprect, 2, 2); k052109_tilemap_draw(state->m_k052109, bitmap, cliprect, 1, 0, 0); k051960_sprites_draw(state->m_k051960, bitmap, cliprect, 0, 0); k052109_tilemap_draw(state->m_k052109, bitmap, cliprect, 0, 0, 0); } else { // k051960_sprites_draw(state->m_k051960, bitmap, cliprect, 1, 1); /* are these used? */ k052109_tilemap_draw(state->m_k052109, bitmap, cliprect, 1, TILEMAP_DRAW_OPAQUE, 0); k051960_sprites_draw(state->m_k051960, bitmap, cliprect, 2, 2); k052109_tilemap_draw(state->m_k052109, bitmap, cliprect, 2, 0, 0); k051960_sprites_draw(state->m_k051960, bitmap, cliprect, 0, 0); k052109_tilemap_draw(state->m_k052109, bitmap, cliprect, 0, 0, 0); } return 0; }