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path: root/src/mame/video/ultraman.cpp
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// license:BSD-3-Clause
// copyright-holders:Manuel Abadia
#include "emu.h"
#include "includes/ultraman.h"

/***************************************************************************

  Callbacks for the K051960

***************************************************************************/

K051960_CB_MEMBER(ultraman_state::sprite_callback)
{
	enum { sprite_colorbase = 3072 / 16 };

	*priority = (*color & 0x80) ? 0 : GFX_PMASK_1;
	*color = sprite_colorbase + ((*color & 0x7e) >> 1);
	*shadow = 0;
}


/***************************************************************************

  Callbacks for the K051316

***************************************************************************/

K051316_CB_MEMBER(ultraman_state::zoom_callback_1)
{
	enum { zoom_colorbase_1 = 0 / 16 };

	*code |= ((*color & 0x07) << 8) | (m_bank[0] << 11);
	*color = zoom_colorbase_1 + ((*color & 0xf8) >> 3);
}

K051316_CB_MEMBER(ultraman_state::zoom_callback_2)
{
	enum { zoom_colorbase_2 = 1024 / 16 };

	*code |= ((*color & 0x07) << 8) | (m_bank[1] << 11);
	*color = zoom_colorbase_2 + ((*color & 0xf8) >> 3);
}

K051316_CB_MEMBER(ultraman_state::zoom_callback_3)
{
	enum { zoom_colorbase_3 = 2048 / 16 };
	*code |= ((*color & 0x07) << 8) | (m_bank[2] << 11);
	*color = zoom_colorbase_3 + ((*color & 0xf8) >> 3);
}



/***************************************************************************

  Memory handlers

***************************************************************************/

WRITE16_MEMBER(ultraman_state::ultraman_gfxctrl_w)
{
	if (ACCESSING_BITS_0_7)
	{
		/*  bit 0: enable wraparound for scr #1
		    bit 1: msb of code for scr #1
		    bit 2: enable wraparound for scr #2
		    bit 3: msb of code for scr #2
		    bit 4: enable wraparound for scr #3
		    bit 5: msb of code for scr #3
		    bit 6: coin counter 1
		    bit 7: coin counter 2 */

		m_k051316[0]->wraparound_enable(data & 0x01);

		if (m_bank[0] != ((data & 0x02) >> 1))
		{
			m_bank[0] = (data & 0x02) >> 1;
			m_k051316[0]->mark_tmap_dirty();
		}

		m_k051316[1]->wraparound_enable(data & 0x04);

		if (m_bank[1] != ((data & 0x08) >> 3))
		{
			m_bank[1] = (data & 0x08) >> 3;
			m_k051316[1]->mark_tmap_dirty();
		}

		m_k051316[2]->wraparound_enable(data & 0x10);

		if (m_bank[2] != ((data & 0x20) >> 5))
		{
			m_bank[2] = (data & 0x20) >> 5;
			m_k051316[2]->mark_tmap_dirty();
		}

		machine().bookkeeping().coin_counter_w(0, data & 0x40);
		machine().bookkeeping().coin_counter_w(1, data & 0x80);
	}
}



/***************************************************************************

    Display Refresh

***************************************************************************/

uint32_t ultraman_state::screen_update_ultraman(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
{
	screen.priority().fill(0, cliprect);

	m_k051316[2]->zoom_draw(screen, bitmap, cliprect, TILEMAP_DRAW_OPAQUE, 0);
	m_k051316[1]->zoom_draw(screen, bitmap, cliprect, 0, 0);
	m_k051316[0]->zoom_draw(screen, bitmap, cliprect, 0, 1);
	m_k051960->k051960_sprites_draw(bitmap, cliprect, screen.priority(), -1, -1);
	return 0;
}