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// license:BSD-3-Clause
// copyright-holders:Nicola Salmoria, Manuel Abadia
/***************************************************************************
video.c
Functions to emulate the video hardware of the machine.
***************************************************************************/
#include "emu.h"
#include "includes/chqflag.h"
#include "screen.h"
/***************************************************************************
Callbacks for the K051960
***************************************************************************/
K051960_CB_MEMBER(chqflag_state::sprite_callback)
{
enum { sprite_colorbase = 0 };
*priority = (*color & 0x10) ? 0 : GFX_PMASK_1;
*color = sprite_colorbase + (*color & 0x0f);
}
/***************************************************************************
Callbacks for the K051316
***************************************************************************/
K051316_CB_MEMBER(chqflag_state::zoom_callback_1)
{
enum { zoom_colorbase_1 = 256 / 16 };
*code |= ((*color & 0x03) << 8);
*color = zoom_colorbase_1 + ((*color & 0x3c) >> 2);
}
K051316_CB_MEMBER(chqflag_state::zoom_callback_2)
{
enum { zoom_colorbase_2 = 512 / 256 };
*flags = TILE_FLIPYX((*color & 0xc0) >> 6);
*code |= ((*color & 0x0f) << 8);
*color = zoom_colorbase_2 + ((*color & 0x10) >> 4);
}
/***************************************************************************
Display Refresh
***************************************************************************/
uint32_t chqflag_state::screen_update_chqflag(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
{
screen.priority().fill(0, cliprect);
m_k051316[1]->zoom_draw(screen, bitmap, cliprect, TILEMAP_DRAW_LAYER1, 0);
m_k051316[1]->zoom_draw(screen, bitmap, cliprect, TILEMAP_DRAW_LAYER0, 1);
m_k051960->k051960_sprites_draw(bitmap, cliprect, screen.priority(), -1, -1);
m_k051316[0]->zoom_draw(screen, bitmap, cliprect, 0, 0);
return 0;
}
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