// license:BSD-3-Clause
// copyright-holders:Roberto Fresca
/******************************************************************************
GAME-A-TRON gambling hardware
-----------------------------
*** Video Hardware ***
Written by Roberto Fresca.
Games running on this hardware:
* Poker 4-1, 1983, Game-A-Tron.
* Pull Tabs, 1983, Game-A-Tron.
*******************************************************************************/
#include "emu.h"
#include "includes/gatron.h"
WRITE8_MEMBER(gatron_state::videoram_w)
{
m_videoram[offset] = data;
m_bg_tilemap->mark_tile_dirty(offset);
}
TILE_GET_INFO_MEMBER(gatron_state::get_bg_tile_info)
{
/* - bits -
7654 3210
xxxx xxxx tiles code.
only one color code
*/
int code = m_videoram[tile_index];
SET_TILE_INFO_MEMBER(0, code, 0, 0);
}
void gatron_state::video_start()
{
m_lamps.resolve();
m_bg_tilemap = &machine().tilemap().create(*m_gfxdecode, tilemap_get_info_delegate(*this, FUNC(gatron_state::get_bg_tile_info)), TILEMAP_SCAN_COLS, 8, 16, 48, 16);
}
uint32_t gatron_state::screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
{
m_bg_tilemap->draw(screen, bitmap, cliprect, 0, 0);
return 0;
}