// license:BSD-3-Clause
// copyright-holders:Paul Leaman, Couriersud
/***************************************************************************
1942
***************************************************************************/
#include "machine/gen_latch.h"
#include "machine/timer.h"
#include "emupal.h"
class _1942_state : public driver_device
{
friend class _1942p_state;
public:
_1942_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag)
, m_spriteram(*this, "spriteram")
, m_fg_videoram(*this, "fg_videoram")
, m_bg_videoram(*this, "bg_videoram")
, m_audiocpu(*this, "audiocpu")
, m_maincpu(*this, "maincpu")
, m_gfxdecode(*this, "gfxdecode")
, m_palette(*this, "palette")
, m_soundlatch(*this, "soundlatch") { }
void driver_init() override;
TILE_GET_INFO_MEMBER(get_fg_tile_info);
TILE_GET_INFO_MEMBER(get_bg_tile_info);
void _1942(machine_config &config);
protected:
void machine_start() override;
void machine_reset() override;
void video_start() override;
void _1942_map(address_map &map);
void sound_map(address_map &map);
DECLARE_WRITE8_MEMBER(_1942_bankswitch_w);
DECLARE_WRITE8_MEMBER(_1942_fgvideoram_w);
DECLARE_WRITE8_MEMBER(_1942_bgvideoram_w);
DECLARE_WRITE8_MEMBER(_1942_palette_bank_w);
DECLARE_WRITE8_MEMBER(_1942_scroll_w);
DECLARE_WRITE8_MEMBER(_1942_c804_w);
DECLARE_PALETTE_INIT(1942);
TIMER_DEVICE_CALLBACK_MEMBER(_1942_scanline);
uint32_t screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
virtual void draw_sprites(bitmap_ind16 &bitmap, const rectangle &cliprect);
/* memory pointers */
required_shared_ptr<uint8_t> m_spriteram;
required_shared_ptr<uint8_t> m_fg_videoram;
required_shared_ptr<uint8_t> m_bg_videoram;
required_device<cpu_device> m_audiocpu;
required_device<cpu_device> m_maincpu;
required_device<gfxdecode_device> m_gfxdecode;
required_device<palette_device> m_palette;
required_device<generic_latch_8_device> m_soundlatch;
/* video-related */
tilemap_t *m_fg_tilemap;
tilemap_t *m_bg_tilemap;
int m_palette_bank;
uint8_t m_scroll[2];
void create_palette();
};
class _1942p_state : public _1942_state
{
public:
_1942p_state(const machine_config &mconfig, device_type type, const char *tag)
: _1942_state(mconfig, type, tag)
, m_protopal(*this, "protopal")
{ }
void _1942p(machine_config &config);
protected:
void video_start() override;
void _1942p_map(address_map &map);
void _1942p_sound_io(address_map &map);
void _1942p_sound_map(address_map &map);
DECLARE_WRITE8_MEMBER(_1942p_f600_w);
DECLARE_WRITE8_MEMBER(_1942p_palette_w);
DECLARE_PALETTE_INIT(1942p);
void draw_sprites(bitmap_ind16 &bitmap, const rectangle &cliprect) override;
required_shared_ptr<uint8_t> m_protopal;
};