// license:BSD-3-Clause // copyright-holders:Paul Hampson #include "machine/gen_latch.h" #include "machine/timer.h" #include "screen.h" class vball_state : public driver_device { public: vball_state(const machine_config &mconfig, device_type type, const char *tag) : driver_device(mconfig, type, tag), m_maincpu(*this, "maincpu"), m_audiocpu(*this, "audiocpu"), m_gfxdecode(*this, "gfxdecode"), m_screen(*this, "screen"), m_palette(*this, "palette"), m_soundlatch(*this, "soundlatch"), m_attribram(*this, "attribram"), m_videoram(*this, "videoram"), m_scrolly_lo(*this, "scrolly_lo"), m_spriteram(*this, "spriteram") { } required_device m_maincpu; required_device m_audiocpu; required_device m_gfxdecode; required_device m_screen; required_device m_palette; required_device m_soundlatch; required_shared_ptr m_attribram; required_shared_ptr m_videoram; required_shared_ptr m_scrolly_lo; required_shared_ptr m_spriteram; int m_scrollx_hi; int m_scrolly_hi; int m_scrollx_lo; int m_gfxset; int m_scrollx[256]; int m_bgprombank; int m_spprombank; tilemap_t *m_bg_tilemap; DECLARE_WRITE8_MEMBER(irq_ack_w); DECLARE_WRITE8_MEMBER(bankswitch_w); DECLARE_WRITE8_MEMBER(scrollx_hi_w); DECLARE_WRITE8_MEMBER(scrollx_lo_w); DECLARE_WRITE8_MEMBER(videoram_w); DECLARE_WRITE8_MEMBER(attrib_w); TILEMAP_MAPPER_MEMBER(background_scan); TILE_GET_INFO_MEMBER(get_bg_tile_info); virtual void machine_start() override; virtual void video_start() override; uint32_t screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect); TIMER_DEVICE_CALLBACK_MEMBER(vball_scanline); void bgprombank_w(int bank); void spprombank_w(int bank); void draw_sprites(bitmap_ind16 &bitmap, const rectangle &cliprect); inline int scanline_to_vcount(int scanline); void vball(machine_config &config); void main_map(address_map &map); void sound_map(address_map &map); };