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// license:BSD-3-Clause
// copyright-holders:Nicola Salmoria
/*************************************************************************
Gun Dealer
*************************************************************************/
#include "machine/timer.h"
#include "emupal.h"
#include "tilemap.h"
class gundealr_state : public driver_device
{
public:
gundealr_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag)
, m_paletteram(*this, "paletteram")
, m_bg_videoram(*this, "bg_videoram")
, m_fg_videoram(*this, "fg_videoram")
, m_rambase(*this, "rambase")
, m_mainbank(*this, "mainbank")
, m_port_in(*this, "IN%u", 0)
, m_maincpu(*this, "maincpu")
, m_gfxdecode(*this, "gfxdecode")
, m_palette(*this, "palette")
{ }
void gundealr(machine_config &config);
void gundealrbl(machine_config &config);
void yamyam(machine_config &config);
private:
/* memory pointers */
required_shared_ptr<uint8_t> m_paletteram;
required_shared_ptr<uint8_t> m_bg_videoram;
required_shared_ptr<uint8_t> m_fg_videoram;
required_shared_ptr<uint8_t> m_rambase;
required_memory_bank m_mainbank;
optional_ioport_array<3> m_port_in;
/* video-related */
tilemap_t *m_bg_tilemap = nullptr;
tilemap_t *m_fg_tilemap = nullptr;
uint8_t m_scroll[4]{};
/* misc */
int m_input_ports_hack;
void bankswitch_w(uint8_t data);
void bg_videoram_w(offs_t offset, uint8_t data);
void fg_videoram_w(offs_t offset, uint8_t data);
void paletteram_w(offs_t offset, uint8_t data);
template<int Xor> void fg_scroll_w(offs_t offset, uint8_t data);
template<int Bit> void flipscreen_w(uint8_t data);
TILE_GET_INFO_MEMBER(get_bg_tile_info);
TILEMAP_MAPPER_MEMBER(pagescan);
TILE_GET_INFO_MEMBER(get_fg_tile_info);
virtual void machine_start() override;
virtual void machine_reset() override;
virtual void video_start() override;
uint32_t screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
TIMER_DEVICE_CALLBACK_MEMBER(scanline);
TIMER_DEVICE_CALLBACK_MEMBER(yamyam_mcu_sim);
required_device<cpu_device> m_maincpu;
required_device<gfxdecode_device> m_gfxdecode;
required_device<palette_device> m_palette;
void base_map(address_map &map);
void gundealr_main_map(address_map &map);
void main_portmap(address_map &map);
void yamyam_main_map(address_map &map);
};
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