cultures.c: fix flipscreen; fix potential out-of-bounds colors; use region_ptr_finder for tilemap ROMs (nw)
This commit is contained in:
Alex W. Jackson
parent
df12287295
commit
80e225f28b
@ -20,20 +20,33 @@ class cultures_state : public driver_device
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public:
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cultures_state(const machine_config &mconfig, device_type type, const char *tag)
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: driver_device(mconfig, type, tag),
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m_maincpu(*this, "maincpu"),
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m_gfxdecode(*this, "gfxdecode"),
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m_vrambank(*this, "vrambank"),
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m_prgbank(*this, "prgbank"),
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m_okibank(*this, "okibank"),
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m_bg1_rom(*this, "bg1"),
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m_bg2_rom(*this, "bg2"),
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m_bg0_videoram(*this, "bg0_videoram"),
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m_bg0_regs_x(*this, "bg0_regs_x"),
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m_bg0_regs_y(*this, "bg0_regs_y"),
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m_bg1_regs_x(*this, "bg1_regs_x"),
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m_bg1_regs_y(*this, "bg1_regs_y"),
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m_bg2_regs_x(*this, "bg2_regs_x"),
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m_bg2_regs_y(*this, "bg2_regs_y"),
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m_maincpu(*this, "maincpu"),
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m_gfxdecode(*this, "gfxdecode"),
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m_palette(*this, "palette"),
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m_vrambank(*this, "vrambank")
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m_bg2_regs_y(*this, "bg2_regs_y")
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{ }
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/* devices */
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required_device<cpu_device> m_maincpu;
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required_device<gfxdecode_device> m_gfxdecode;
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required_device<address_map_bank_device> m_vrambank;
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required_memory_bank m_prgbank;
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required_memory_bank m_okibank;
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/* memory pointers */
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required_region_ptr<UINT16> m_bg1_rom;
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required_region_ptr<UINT16> m_bg2_rom;
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required_shared_ptr<UINT8> m_bg0_videoram;
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required_shared_ptr<UINT8> m_bg0_regs_x;
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required_shared_ptr<UINT8> m_bg0_regs_y;
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@ -61,31 +74,25 @@ public:
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virtual void video_start();
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UINT32 screen_update_cultures(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
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INTERRUPT_GEN_MEMBER(cultures_interrupt);
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required_device<cpu_device> m_maincpu;
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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_device<address_map_bank_device> m_vrambank;
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};
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TILE_GET_INFO_MEMBER(cultures_state::get_bg1_tile_info)
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{
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UINT8 *region = memregion("gfx3")->base() + 0x200000 + 0x80000 * m_bg1_bank;
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int code = region[tile_index * 2] + (region[tile_index * 2 + 1] << 8);
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SET_TILE_INFO_MEMBER(2, code, code >> 12, 0);
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int const code = m_bg1_rom[0x200000/2 + m_bg1_bank * 0x80000/2 + tile_index];
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SET_TILE_INFO_MEMBER(1, code, code >> 12, 0);
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}
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TILE_GET_INFO_MEMBER(cultures_state::get_bg2_tile_info)
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{
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UINT8 *region = memregion("gfx2")->base() + 0x200000 + 0x80000 * m_bg2_bank;
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int code = region[tile_index * 2] + (region[tile_index * 2 + 1] << 8);
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SET_TILE_INFO_MEMBER(1, code, code >> 12, 0);
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int const code = m_bg2_rom[0x200000/2 + m_bg2_bank * 0x80000/2 + tile_index];
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SET_TILE_INFO_MEMBER(2, code, code >> 12, 0);
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}
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TILE_GET_INFO_MEMBER(cultures_state::get_bg0_tile_info)
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{
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int code = m_bg0_videoram[tile_index * 2] + (m_bg0_videoram[tile_index * 2 + 1] << 8);
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int const code = m_bg0_videoram[tile_index * 2] + (m_bg0_videoram[tile_index * 2 + 1] << 8);
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SET_TILE_INFO_MEMBER(0, code, code >> 12, 0);
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}
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@ -98,13 +105,13 @@ void cultures_state::video_start()
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m_bg1_tilemap->set_transparent_pen(0);
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m_bg0_tilemap->set_transparent_pen(0);
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m_bg0_tilemap->set_scrolldx(502, 10);
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m_bg1_tilemap->set_scrolldx(502, 10);
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m_bg2_tilemap->set_scrolldx(502, 10);
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m_bg0_tilemap->set_scrolldx(502, -118);
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m_bg1_tilemap->set_scrolldx(502, -118);
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m_bg2_tilemap->set_scrolldx(502, -118);
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m_bg0_tilemap->set_scrolldy(255, 0);
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m_bg1_tilemap->set_scrolldy(255, 0);
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m_bg2_tilemap->set_scrolldy(255, 0);
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m_bg0_tilemap->set_scrolldy(255, -16);
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m_bg1_tilemap->set_scrolldy(255, -16);
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m_bg2_tilemap->set_scrolldy(255, -16);
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}
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UINT32 cultures_state::screen_update_cultures(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
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@ -138,7 +145,7 @@ UINT32 cultures_state::screen_update_cultures(screen_device &screen, bitmap_ind1
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WRITE8_MEMBER(cultures_state::cpu_bankswitch_w)
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{
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membank("bank1")->set_entry(data & 0x0f);
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m_prgbank->set_entry(data & 0x0f);
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m_vrambank->set_bank((data & 0x20)>>5);
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}
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@ -151,7 +158,7 @@ WRITE8_MEMBER(cultures_state::bg0_videoram_w)
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WRITE8_MEMBER(cultures_state::misc_w)
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{
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membank("okibank")->set_entry(data&0x0f);
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m_okibank->set_entry(data&0x0f);
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m_irq_enable = data & 0x80;
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}
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@ -184,7 +191,7 @@ ADDRESS_MAP_END
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static ADDRESS_MAP_START( cultures_map, AS_PROGRAM, 8, cultures_state )
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AM_RANGE(0x0000, 0x3fff) AM_ROM
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AM_RANGE(0x4000, 0x7fff) AM_ROMBANK("bank1")
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AM_RANGE(0x4000, 0x7fff) AM_ROMBANK("prgbank")
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AM_RANGE(0x8000, 0xbfff) AM_DEVICE("vrambank", address_map_bank_device, amap8)
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AM_RANGE(0xc000, 0xdfff) AM_RAM
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AM_RANGE(0xf000, 0xffff) AM_RAM
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@ -350,9 +357,9 @@ static const gfx_layout gfxlayout =
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};
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static GFXDECODE_START( culture )
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GFXDECODE_ENTRY("gfx1", 0, gfxlayout, 0x0000, 0x10 )
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GFXDECODE_ENTRY("gfx2", 0, gfxlayout, 0x1000, 0x10 )
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GFXDECODE_ENTRY("gfx3", 0, gfxlayout, 0x1000, 0x10 )
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GFXDECODE_ENTRY("bg0", 0, gfxlayout, 0x0000, 16 )
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GFXDECODE_ENTRY("bg1", 0, gfxlayout, 0x1000, 8 )
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GFXDECODE_ENTRY("bg2", 0, gfxlayout, 0x1000, 8 )
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GFXDECODE_END
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INTERRUPT_GEN_MEMBER(cultures_state::cultures_interrupt)
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@ -363,11 +370,9 @@ INTERRUPT_GEN_MEMBER(cultures_state::cultures_interrupt)
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void cultures_state::machine_start()
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{
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UINT8 *ROM = memregion("maincpu")->base();
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membank("bank1")->configure_entries(0, 16, &ROM[0x0000], 0x4000);
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membank("okibank")->configure_entries(0, 0x200000 / 0x20000, memregion("oki")->base(), 0x20000);
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membank("okibank")->set_entry(0);
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m_prgbank->configure_entries(0, 16, memregion("maincpu")->base(), 0x4000);
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m_okibank->configure_entries(0, 0x200000 / 0x20000, memregion("oki")->base(), 0x20000);
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m_okibank->set_entry(0);
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save_item(NAME(m_irq_enable));
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save_item(NAME(m_bg1_bank));
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@ -376,7 +381,7 @@ void cultures_state::machine_start()
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void cultures_state::machine_reset()
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{
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membank("okibank")->set_entry(0);
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m_okibank->set_entry(0);
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m_vrambank->set_bank(1);
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m_irq_enable = 0;
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m_bg1_bank = 0;
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@ -413,7 +418,6 @@ static MACHINE_CONFIG_START( cultures, cultures_state )
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MCFG_GFXDECODE_ADD("gfxdecode", "palette", culture)
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MCFG_PALETTE_ADD("palette", 0x3000/2)
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MCFG_PALETTE_FORMAT(xRGBRRRRGGGGBBBB_bit0)
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MCFG_PALETTE_ENDIANNESS(ENDIANNESS_LITTLE)
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/* sound hardware */
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MCFG_SPEAKER_STANDARD_MONO("mono")
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@ -468,20 +472,21 @@ ROM_START( cultures )
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ROM_REGION( 0x40000, "maincpu", 0 )
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ROM_LOAD( "ma01.u12", 0x000000, 0x040000, CRC(f57417b3) SHA1(9a2a50222f54e5da9bc5c66863b8be16e33b171f) )
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ROM_REGION( 0x300000, "gfx1", 0 )
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ROM_REGION( 0x400000, "bg0", ROMREGION_ERASE00 )
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ROM_LOAD( "bg0c.u45", 0x000000, 0x200000, CRC(ad2e1263) SHA1(b28a3d82aaa0421a7b4df837814147b109e7d1a5) )
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ROM_LOAD( "bg0c2.u46", 0x200000, 0x100000, CRC(97c71c09) SHA1(ffbcee1d9cb39d0824f3aa652c3a24579113cf2e) )
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ROM_REGION( 0x400000, "gfx2", ROMREGION_ERASE00 )
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ROM_LOAD( "bg1c.u80", 0x000000, 0x200000, CRC(9ab99bd9) SHA1(bce41b6f5d83c8262ba8d37b2dfcd5d7a5e7ace7) )
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ROM_LOAD( "bg2t.u79", 0x200000, 0x100000, CRC(0610a79f) SHA1(9fc6b2e5c573ed682b2f7fa462c8f42ff99da5ba) )
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/* 0x300000 - 0x3fffff empty */
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ROM_REGION( 0x400000, "gfx3", ROMREGION_ERASE00 )
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ROM_REGION16_LE( 0x400000, "bg1", ROMREGION_ERASE00 )
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ROM_LOAD( "bg2c.u68", 0x000000, 0x200000, CRC(fa598644) SHA1(532249e456c34f18a787d5a028df82f2170f604d) )
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ROM_LOAD( "bg1t.u67", 0x200000, 0x100000, CRC(d2e594ee) SHA1(a84b5ab62dec1867d433ccaeb1381e7593958cf0) )
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/* 0x300000 - 0x3fffff empty */
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ROM_REGION16_LE( 0x400000, "bg2", ROMREGION_ERASE00 )
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ROM_LOAD( "bg1c.u80", 0x000000, 0x200000, CRC(9ab99bd9) SHA1(bce41b6f5d83c8262ba8d37b2dfcd5d7a5e7ace7) )
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ROM_LOAD( "bg2t.u79", 0x200000, 0x100000, CRC(0610a79f) SHA1(9fc6b2e5c573ed682b2f7fa462c8f42ff99da5ba) )
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/* 0x300000 - 0x3fffff empty */
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ROM_REGION( 0x200000, "oki", 0 )
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ROM_LOAD( "pcm.u87", 0x000000, 0x200000, CRC(84206475) SHA1(d1423bd5c7425e121fb4e7845cf57801e9afa7b3) )
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ROM_END
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