#include "emu.h" #include "video/konicdev.h" #include "includes/overdriv.h" /*************************************************************************** Callbacks for the K053247 ***************************************************************************/ void overdriv_sprite_callback( running_machine &machine, int *code, int *color, int *priority_mask ) { overdriv_state *state = machine.driver_data(); int pri = (*color & 0xffe0) >> 5; /* ??????? */ if (pri) *priority_mask = 0x02; else *priority_mask = 0x00; *color = state->m_sprite_colorbase + (*color & 0x001f); } /*************************************************************************** Callbacks for the K051316 ***************************************************************************/ void overdriv_zoom_callback_0( running_machine &machine, int *code, int *color, int *flags ) { overdriv_state *state = machine.driver_data(); *flags = (*color & 0x40) ? TILE_FLIPX : 0; *code |= ((*color & 0x03) << 8); *color = state->m_zoom_colorbase[0] + ((*color & 0x3c) >> 2); } void overdriv_zoom_callback_1( running_machine &machine, int *code, int *color, int *flags ) { overdriv_state *state = machine.driver_data(); *flags = (*color & 0x40) ? TILE_FLIPX : 0; *code |= ((*color & 0x03) << 8); *color = state->m_zoom_colorbase[1] + ((*color & 0x3c) >> 2); } /*************************************************************************** Display refresh ***************************************************************************/ SCREEN_UPDATE( overdriv ) { overdriv_state *state = screen->machine().driver_data(); state->m_sprite_colorbase = k053251_get_palette_index(state->m_k053251, K053251_CI0); state->m_road_colorbase[1] = k053251_get_palette_index(state->m_k053251, K053251_CI1); state->m_road_colorbase[0] = k053251_get_palette_index(state->m_k053251, K053251_CI2); state->m_zoom_colorbase[1] = k053251_get_palette_index(state->m_k053251, K053251_CI3); state->m_zoom_colorbase[0] = k053251_get_palette_index(state->m_k053251, K053251_CI4); bitmap_fill(screen->machine().priority_bitmap, cliprect, 0); k051316_zoom_draw(state->m_k051316_1, bitmap, cliprect, 0, 0); k051316_zoom_draw(state->m_k051316_2, bitmap, cliprect, 0, 1); k053247_sprites_draw(state->m_k053246, bitmap,cliprect); return 0; }