#include "emu.h"
#include "video/konicdev.h"
#include "includes/spy.h"
/***************************************************************************
Callbacks for the K052109
***************************************************************************/
void spy_tile_callback( running_machine &machine, int layer, int bank, int *code, int *color, int *flags, int *priority )
{
spy_state *state = machine.driver_data<spy_state>();
*flags = (*color & 0x20) ? TILE_FLIPX : 0;
*code |= ((*color & 0x03) << 8) | ((*color & 0x10) << 6) | ((*color & 0x0c) << 9) | (bank << 13);
*color = state->m_layer_colorbase[layer] + ((*color & 0xc0) >> 6);
}
/***************************************************************************
Callbacks for the K051960
***************************************************************************/
void spy_sprite_callback( running_machine &machine, int *code, int *color, int *priority_mask, int *shadow )
{
spy_state *state = machine.driver_data<spy_state>();
/* bit 4 = priority over layer A (0 = have priority) */
/* bit 5 = priority over layer B (1 = have priority) */
*priority_mask = 0x00;
if ( *color & 0x10) *priority_mask |= 0xa;
if (~*color & 0x20) *priority_mask |= 0xc;
*color = state->m_sprite_colorbase + (*color & 0x0f);
}
/***************************************************************************
Start the video hardware emulation.
***************************************************************************/
VIDEO_START( spy )
{
spy_state *state = machine.driver_data<spy_state>();
state->m_layer_colorbase[0] = 48;
state->m_layer_colorbase[1] = 0;
state->m_layer_colorbase[2] = 16;
state->m_sprite_colorbase = 32;
}
/***************************************************************************
Display refresh
***************************************************************************/
SCREEN_UPDATE( spy )
{
spy_state *state = screen->machine().driver_data<spy_state>();
k052109_tilemap_update(state->m_k052109);
bitmap_fill(screen->machine().priority_bitmap, cliprect, 0);
if (!state->m_video_enable)
bitmap_fill(bitmap, cliprect, 16 * state->m_layer_colorbase[0]);
else
{
k052109_tilemap_draw(state->m_k052109, bitmap, cliprect, 1, TILEMAP_DRAW_OPAQUE, 1);
k052109_tilemap_draw(state->m_k052109, bitmap, cliprect, 2, 0, 2);
k051960_sprites_draw(state->m_k051960, bitmap, cliprect, -1, -1);
k052109_tilemap_draw(state->m_k052109, bitmap, cliprect, 0, 0, 0);
}
return 0;
}