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https://github.com/holub/mame
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upl/xxmissio.cpp: Mark tiles dirty on writing to tilemap RAM. (#12382)
* Refactored common parts of address maps into a common function. * Simplified graphics decoding layouts.
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cam900
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a03f4d268d
commit
2de78dcc47
@ -47,27 +47,11 @@ protected:
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virtual void video_start() override;
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private:
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required_device<cpu_device> m_maincpu;
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required_device<cpu_device> m_subcpu;
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required_device<gfxdecode_device> m_gfxdecode;
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required_device<palette_device> m_palette;
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required_shared_ptr<uint8_t> m_bgram;
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required_shared_ptr<uint8_t> m_fgram;
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required_shared_ptr<uint8_t> m_spriteram;
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required_memory_bank m_subbank;
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tilemap_t *m_bg_tilemap;
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tilemap_t *m_fg_tilemap;
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uint8_t m_status = 0;
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uint8_t m_xscroll = 0;
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uint8_t m_yscroll = 0;
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uint8_t m_flipscreen = 0;
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void bank_sel_w(uint8_t data);
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void status_m_w(uint8_t data);
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void status_s_w(uint8_t data);
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void flipscreen_w(uint8_t data);
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void fgram_w(offs_t offset, uint8_t data);
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void bgram_w(offs_t offset, uint8_t data);
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uint8_t bgram_r(offs_t offset);
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void scroll_x_w(uint8_t data);
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@ -84,8 +68,26 @@ private:
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uint32_t screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
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void draw_sprites(bitmap_ind16 &bitmap, const rectangle &cliprect, gfx_element *gfx);
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void base_map(address_map &map);
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void main_map(address_map &map);
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void sub_map(address_map &map);
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required_device<cpu_device> m_maincpu;
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required_device<cpu_device> m_subcpu;
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required_device<gfxdecode_device> m_gfxdecode;
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required_device<palette_device> m_palette;
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required_shared_ptr<uint8_t> m_bgram;
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required_shared_ptr<uint8_t> m_fgram;
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required_shared_ptr<uint8_t> m_spriteram;
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required_memory_bank m_subbank;
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tilemap_t *m_bg_tilemap = nullptr;
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tilemap_t *m_fg_tilemap = nullptr;
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uint8_t m_status = 0;
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uint8_t m_xscroll = 0;
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uint8_t m_yscroll = 0;
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uint8_t m_flipscreen = 0;
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};
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@ -100,38 +102,45 @@ void xxmissio_state::scroll_y_w(uint8_t data)
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void xxmissio_state::flipscreen_w(uint8_t data)
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{
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m_flipscreen = data & 0x01;
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m_flipscreen = BIT(data, 0);
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}
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void xxmissio_state::bgram_w(offs_t offset, uint8_t data)
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{
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int x = (offset + (m_xscroll >> 3)) & 0x1f;
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int const x = (offset + (m_xscroll >> 3)) & 0x1f;
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offset = (offset & 0x7e0) | x;
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m_bgram[offset] = data;
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m_bg_tilemap->mark_tile_dirty(offset & 0x3ff);
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}
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uint8_t xxmissio_state::bgram_r(offs_t offset)
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{
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int x = (offset + (m_xscroll >> 3)) & 0x1f;
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int const x = (offset + (m_xscroll >> 3)) & 0x1f;
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offset = (offset & 0x7e0) | x;
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return m_bgram[offset];
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}
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void xxmissio_state::fgram_w(offs_t offset, uint8_t data)
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{
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m_fgram[offset] = data;
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m_fg_tilemap->mark_tile_dirty(offset & 0x3ff);
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}
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/****************************************************************************/
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TILE_GET_INFO_MEMBER(xxmissio_state::get_bg_tile_info)
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{
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int code = ((m_bgram[0x400 | tile_index] & 0xc0) << 2) | m_bgram[0x000 | tile_index];
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int color = m_bgram[0x400 | tile_index] & 0x0f;
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int const code = ((m_bgram[0x400 | tile_index] & 0xc0) << 2) | m_bgram[0x000 | tile_index];
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int const color = m_bgram[0x400 | tile_index] & 0x0f;
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tileinfo.set(2, code, color, 0);
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}
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TILE_GET_INFO_MEMBER(xxmissio_state::get_fg_tile_info)
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{
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int code = m_fgram[0x000 | tile_index];
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int color = m_fgram[0x400 | tile_index] & 0x07;
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int const code = m_fgram[0x000 | tile_index];
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int const color = m_fgram[0x400 | tile_index] & 0x07;
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tileinfo.set(0, code, color, 0);
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}
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@ -211,7 +220,6 @@ void xxmissio_state::draw_sprites(bitmap_ind16 &bitmap, const rectangle &cliprec
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uint32_t xxmissio_state::screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
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{
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machine().tilemap().mark_all_dirty();
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machine().tilemap().set_flip_all(m_flipscreen ? TILEMAP_FLIPX | TILEMAP_FLIPY : 0);
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m_bg_tilemap->set_scrollx(0, m_xscroll * 2);
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@ -299,24 +307,31 @@ void xxmissio_state::machine_start()
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/****************************************************************************/
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void xxmissio_state::main_map(address_map &map)
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void xxmissio_state::base_map(address_map &map)
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{
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map(0x0000, 0x7fff).rom();
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map(0x8000, 0x8001).rw("ym1", FUNC(ym2203_device::read), FUNC(ym2203_device::write));
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map(0x8002, 0x8003).rw("ym2", FUNC(ym2203_device::read), FUNC(ym2203_device::write));
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map(0xa000, 0xa000).portr("P1");
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map(0xa001, 0xa001).portr("P2");
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map(0xa002, 0xa002).portr("STATUS");
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map(0xa002, 0xa002).w(FUNC(xxmissio_state::status_m_w));
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map(0xa003, 0xa003).w(FUNC(xxmissio_state::flipscreen_w));
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map(0xc000, 0xc7ff).ram().share(m_fgram);
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map(0xc000, 0xc7ff).ram().w(FUNC(xxmissio_state::fgram_w)).share(m_fgram);
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map(0xc800, 0xcfff).rw(FUNC(xxmissio_state::bgram_r), FUNC(xxmissio_state::bgram_w)).share(m_bgram);
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map(0xd000, 0xd7ff).ram().share(m_spriteram);
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map(0xd800, 0xdaff).ram().w(m_palette, FUNC(palette_device::write8)).share("palette");
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}
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void xxmissio_state::main_map(address_map &map)
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{
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base_map(map);
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map(0x0000, 0x7fff).rom();
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map(0xa002, 0xa002).w(FUNC(xxmissio_state::status_m_w));
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map(0xe000, 0xefff).share("workram1").ram();
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map(0xf000, 0xffff).share("workram2").ram();
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@ -325,24 +340,14 @@ void xxmissio_state::main_map(address_map &map)
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void xxmissio_state::sub_map(address_map &map)
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{
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base_map(map);
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map(0x0000, 0x3fff).rom();
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map(0x4000, 0x7fff).bankr(m_subbank);
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map(0x8000, 0x8001).rw("ym1", FUNC(ym2203_device::read), FUNC(ym2203_device::write));
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map(0x8002, 0x8003).rw("ym2", FUNC(ym2203_device::read), FUNC(ym2203_device::write));
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map(0x8006, 0x8006).w(FUNC(xxmissio_state::bank_sel_w));
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map(0xa000, 0xa000).portr("P1");
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map(0xa001, 0xa001).portr("P2");
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map(0xa002, 0xa002).portr("STATUS");
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map(0xa002, 0xa002).w(FUNC(xxmissio_state::status_s_w));
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map(0xa003, 0xa003).w(FUNC(xxmissio_state::flipscreen_w));
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map(0xc000, 0xc7ff).share(m_fgram).ram();
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map(0xc800, 0xcfff).share(m_bgram).rw(FUNC(xxmissio_state::bgram_r), FUNC(xxmissio_state::bgram_w));
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map(0xd000, 0xd7ff).share(m_spriteram).ram();
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map(0xd800, 0xdaff).ram().w(m_palette, FUNC(palette_device::write8)).share("palette");
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map(0xe000, 0xefff).share("workram2").ram();
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map(0xf000, 0xffff).share("workram1").ram();
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@ -429,44 +434,29 @@ INPUT_PORTS_END
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static const gfx_layout charlayout =
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{
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16,8, // 16*8 characters
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2048, // 2048 characters
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RGN_FRAC(1,1), // 2048 characters
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4, // 4 bits per pixel
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{0,1,2,3},
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{0,4,8,12,16,20,24,28,32,36,40,44,48,52,56,60},
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{64*0, 64*1, 64*2, 64*3, 64*4, 64*5, 64*6, 64*7},
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64*8
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{ STEP4(0,1) },
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{ STEP16(0,4) },
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{ STEP8(0,4*16) },
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4*16*8
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};
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static const gfx_layout spritelayout =
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{
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32,16, // 32*16 characters
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512, // 512 sprites
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RGN_FRAC(1,1), // 512 sprites
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4, // 4 bits per pixel
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{0,1,2,3},
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{0,4,8,12,16,20,24,28,
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32,36,40,44,48,52,56,60,
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8*64+0,8*64+4,8*64+8,8*64+12,8*64+16,8*64+20,8*64+24,8*64+28,
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8*64+32,8*64+36,8*64+40,8*64+44,8*64+48,8*64+52,8*64+56,8*64+60},
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{64*0, 64*1, 64*2, 64*3, 64*4, 64*5, 64*6, 64*7,
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64*16, 64*17, 64*18, 64*19, 64*20, 64*21, 64*22, 64*23},
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{ STEP4(0,1) },
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{ STEP16(0,4), STEP16(4*16*8,4) },
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{ STEP8(0,4*16), STEP8(4*16*8*2,4*16) },
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64*8*4
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};
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static const gfx_layout bglayout =
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{
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16,8, // 16*8 characters
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1024, // 1024 characters
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4, // 4 bits per pixel
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{0,1,2,3},
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{0,4,8,12,16,20,24,28,32,36,40,44,48,52,56,60},
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{64*0, 64*1, 64*2, 64*3, 64*4, 64*5, 64*6, 64*7},
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64*8
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};
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static GFXDECODE_START( gfx_xxmissio )
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GFXDECODE_ENTRY( "chars_sprites", 0x0000, charlayout, 256, 8 ) // FG
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GFXDECODE_ENTRY( "chars_sprites", 0x0000, spritelayout, 0, 8 ) // sprite
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GFXDECODE_ENTRY( "tiles", 0x0000, bglayout, 512, 16 ) // BG
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GFXDECODE_ENTRY( "tiles", 0x0000, charlayout, 512, 16 ) // BG
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GFXDECODE_END
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/****************************************************************************/
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