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Diffstat (limited to 'src/mame/drivers/cultures.c')
-rw-r--r--src/mame/drivers/cultures.c161
1 files changed, 81 insertions, 80 deletions
diff --git a/src/mame/drivers/cultures.c b/src/mame/drivers/cultures.c
index deb02ac90e3..7390655a247 100644
--- a/src/mame/drivers/cultures.c
+++ b/src/mame/drivers/cultures.c
@@ -11,6 +11,7 @@
#include "emu.h"
#include "cpu/z80/z80.h"
#include "sound/okim6295.h"
+#include "machine/bankdev.h"
#define MCLK 16000000
@@ -19,19 +20,33 @@ class cultures_state : public driver_device
public:
cultures_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag),
+ m_maincpu(*this, "maincpu"),
+ m_gfxdecode(*this, "gfxdecode"),
+ m_vrambank(*this, "vrambank"),
+ m_prgbank(*this, "prgbank"),
+ m_okibank(*this, "okibank"),
+ m_bg1_rom(*this, "bg1"),
+ m_bg2_rom(*this, "bg2"),
m_bg0_videoram(*this, "bg0_videoram"),
m_bg0_regs_x(*this, "bg0_regs_x"),
m_bg0_regs_y(*this, "bg0_regs_y"),
m_bg1_regs_x(*this, "bg1_regs_x"),
m_bg1_regs_y(*this, "bg1_regs_y"),
m_bg2_regs_x(*this, "bg2_regs_x"),
- m_bg2_regs_y(*this, "bg2_regs_y"),
- m_maincpu(*this, "maincpu"),
- m_gfxdecode(*this, "gfxdecode"),
- m_palette(*this, "palette") { }
+ m_bg2_regs_y(*this, "bg2_regs_y")
+ { }
+
+ /* devices */
+ required_device<cpu_device> m_maincpu;
+ required_device<gfxdecode_device> m_gfxdecode;
+ required_device<address_map_bank_device> m_vrambank;
+ required_memory_bank m_prgbank;
+ required_memory_bank m_okibank;
- UINT8 m_paletteram[0x4000];
/* memory pointers */
+ required_region_ptr<UINT16> m_bg1_rom;
+ required_region_ptr<UINT16> m_bg2_rom;
+
required_shared_ptr<UINT8> m_bg0_videoram;
required_shared_ptr<UINT8> m_bg0_regs_x;
required_shared_ptr<UINT8> m_bg0_regs_y;
@@ -44,11 +59,9 @@ public:
tilemap_t *m_bg0_tilemap;
tilemap_t *m_bg1_tilemap;
tilemap_t *m_bg2_tilemap;
- int m_video_bank;
int m_irq_enable;
int m_bg1_bank;
int m_bg2_bank;
- int m_old_bank;
DECLARE_WRITE8_MEMBER(cpu_bankswitch_w);
DECLARE_WRITE8_MEMBER(bg0_videoram_w);
DECLARE_WRITE8_MEMBER(misc_w);
@@ -61,30 +74,25 @@ public:
virtual void video_start();
UINT32 screen_update_cultures(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
INTERRUPT_GEN_MEMBER(cultures_interrupt);
- required_device<cpu_device> m_maincpu;
- required_device<gfxdecode_device> m_gfxdecode;
- required_device<palette_device> m_palette;
};
TILE_GET_INFO_MEMBER(cultures_state::get_bg1_tile_info)
{
- UINT8 *region = memregion("gfx3")->base() + 0x200000 + 0x80000 * m_bg1_bank;
- int code = region[tile_index * 2] + (region[tile_index * 2 + 1] << 8);
- SET_TILE_INFO_MEMBER(2, code, code >> 12, 0);
+ int const code = m_bg1_rom[0x200000/2 + m_bg1_bank * 0x80000/2 + tile_index];
+ SET_TILE_INFO_MEMBER(1, code, code >> 12, 0);
}
TILE_GET_INFO_MEMBER(cultures_state::get_bg2_tile_info)
{
- UINT8 *region = memregion("gfx2")->base() + 0x200000 + 0x80000 * m_bg2_bank;
- int code = region[tile_index * 2] + (region[tile_index * 2 + 1] << 8);
- SET_TILE_INFO_MEMBER(1, code, code >> 12, 0);
+ int const code = m_bg2_rom[0x200000/2 + m_bg2_bank * 0x80000/2 + tile_index];
+ SET_TILE_INFO_MEMBER(2, code, code >> 12, 0);
}
TILE_GET_INFO_MEMBER(cultures_state::get_bg0_tile_info)
{
- int code = m_bg0_videoram[tile_index * 2] + (m_bg0_videoram[tile_index * 2 + 1] << 8);
+ int const code = m_bg0_videoram[tile_index * 2] + (m_bg0_videoram[tile_index * 2 + 1] << 8);
SET_TILE_INFO_MEMBER(0, code, code >> 12, 0);
}
@@ -97,13 +105,13 @@ void cultures_state::video_start()
m_bg1_tilemap->set_transparent_pen(0);
m_bg0_tilemap->set_transparent_pen(0);
- m_bg0_tilemap->set_scrolldx(502, 10);
- m_bg1_tilemap->set_scrolldx(502, 10);
- m_bg2_tilemap->set_scrolldx(502, 10);
+ m_bg0_tilemap->set_scrolldx(502, -118);
+ m_bg1_tilemap->set_scrolldx(502, -118);
+ m_bg2_tilemap->set_scrolldx(502, -118);
- m_bg0_tilemap->set_scrolldy(255, 0);
- m_bg1_tilemap->set_scrolldy(255, 0);
- m_bg2_tilemap->set_scrolldy(255, 0);
+ m_bg0_tilemap->set_scrolldy(255, -16);
+ m_bg1_tilemap->set_scrolldy(255, -16);
+ m_bg2_tilemap->set_scrolldy(255, -16);
}
UINT32 cultures_state::screen_update_cultures(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
@@ -137,46 +145,20 @@ UINT32 cultures_state::screen_update_cultures(screen_device &screen, bitmap_ind1
WRITE8_MEMBER(cultures_state::cpu_bankswitch_w)
{
- membank("bank1")->set_entry(data & 0x0f);
- m_video_bank = ~data & 0x20;
+ m_prgbank->set_entry(data & 0x0f);
+ m_vrambank->set_bank((data & 0x20)>>5);
}
+
WRITE8_MEMBER(cultures_state::bg0_videoram_w)
{
- if (m_video_bank == 0)
- {
- int r, g, b, datax;
- m_paletteram[offset] = data;
- offset >>= 1;
- datax = m_paletteram[offset * 2] + 256 * m_paletteram[offset * 2 + 1];
-
- r = ((datax >> 7) & 0x1e) | ((datax & 0x4000) ? 0x1 : 0);
- g = ((datax >> 3) & 0x1e) | ((datax & 0x2000) ? 0x1 : 0);
- b = ((datax << 1) & 0x1e) | ((datax & 0x1000) ? 0x1 : 0);
-
- m_palette->set_pen_color(offset, pal5bit(r), pal5bit(g), pal5bit(b));
- }
- else
- {
- m_bg0_videoram[offset] = data;
- m_bg0_tilemap->mark_tile_dirty(offset >> 1);
- }
+ m_bg0_videoram[offset] = data;
+ m_bg0_tilemap->mark_tile_dirty(offset >> 1);
}
WRITE8_MEMBER(cultures_state::misc_w)
{
- int new_bank = data & 0xf;
-
- if (m_old_bank != new_bank)
- {
- // oki banking
- UINT8 *src = memregion("oki")->base() + 0x40000 + 0x20000 * new_bank;
- UINT8 *dst = memregion("oki")->base() + 0x20000;
- memcpy(dst, src, 0x20000);
-
- m_old_bank = new_bank;
- }
-
+ m_okibank->set_entry(data&0x0f);
m_irq_enable = data & 0x80;
}
@@ -196,10 +178,21 @@ WRITE8_MEMBER(cultures_state::bg_bank_w)
coin_counter_w(machine(), 0, data & 0x10);
}
+
+static ADDRESS_MAP_START( oki_map, AS_0, 8, cultures_state )
+ AM_RANGE(0x00000, 0x1ffff) AM_ROM
+ AM_RANGE(0x20000, 0x3ffff) AM_ROMBANK("okibank")
+ADDRESS_MAP_END
+
+static ADDRESS_MAP_START( vrambank_map, AS_PROGRAM, 8, cultures_state )
+ AM_RANGE(0x0000, 0x3fff) AM_RAM_WRITE(bg0_videoram_w) AM_SHARE("bg0_videoram")
+ AM_RANGE(0x4000, 0x6fff) AM_RAM_DEVWRITE("palette", palette_device, write) AM_SHARE("palette")
+ADDRESS_MAP_END
+
static ADDRESS_MAP_START( cultures_map, AS_PROGRAM, 8, cultures_state )
AM_RANGE(0x0000, 0x3fff) AM_ROM
- AM_RANGE(0x4000, 0x7fff) AM_ROMBANK("bank1")
- AM_RANGE(0x8000, 0xbfff) AM_RAM_WRITE(bg0_videoram_w) AM_SHARE("bg0_videoram")
+ AM_RANGE(0x4000, 0x7fff) AM_ROMBANK("prgbank")
+ AM_RANGE(0x8000, 0xbfff) AM_DEVICE("vrambank", address_map_bank_device, amap8)
AM_RANGE(0xc000, 0xdfff) AM_RAM
AM_RANGE(0xf000, 0xffff) AM_RAM
ADDRESS_MAP_END
@@ -364,9 +357,9 @@ static const gfx_layout gfxlayout =
};
static GFXDECODE_START( culture )
- GFXDECODE_ENTRY("gfx1", 0, gfxlayout, 0x0000, 0x10 )
- GFXDECODE_ENTRY("gfx2", 0, gfxlayout, 0x1000, 0x10 )
- GFXDECODE_ENTRY("gfx3", 0, gfxlayout, 0x1000, 0x10 )
+ GFXDECODE_ENTRY("bg0", 0, gfxlayout, 0x0000, 16 )
+ GFXDECODE_ENTRY("bg1", 0, gfxlayout, 0x1000, 8 )
+ GFXDECODE_ENTRY("bg2", 0, gfxlayout, 0x1000, 8 )
GFXDECODE_END
INTERRUPT_GEN_MEMBER(cultures_state::cultures_interrupt)
@@ -377,13 +370,10 @@ INTERRUPT_GEN_MEMBER(cultures_state::cultures_interrupt)
void cultures_state::machine_start()
{
- UINT8 *ROM = memregion("maincpu")->base();
+ m_prgbank->configure_entries(0, 16, memregion("maincpu")->base(), 0x4000);
+ m_okibank->configure_entries(0, 0x200000 / 0x20000, memregion("oki")->base(), 0x20000);
+ m_okibank->set_entry(0);
- membank("bank1")->configure_entries(0, 16, &ROM[0x0000], 0x4000);
-
- save_item(NAME(m_paletteram));
- save_item(NAME(m_old_bank));
- save_item(NAME(m_video_bank));
save_item(NAME(m_irq_enable));
save_item(NAME(m_bg1_bank));
save_item(NAME(m_bg2_bank));
@@ -391,13 +381,15 @@ void cultures_state::machine_start()
void cultures_state::machine_reset()
{
- m_old_bank = -1;
- m_video_bank = 0;
+ m_okibank->set_entry(0);
+ m_vrambank->set_bank(1);
m_irq_enable = 0;
m_bg1_bank = 0;
m_bg2_bank = 0;
}
+
+
static MACHINE_CONFIG_START( cultures, cultures_state )
/* basic machine hardware */
@@ -406,6 +398,13 @@ static MACHINE_CONFIG_START( cultures, cultures_state )
MCFG_CPU_IO_MAP(cultures_io_map)
MCFG_CPU_VBLANK_INT_DRIVER("screen", cultures_state, cultures_interrupt)
+ MCFG_DEVICE_ADD("vrambank", ADDRESS_MAP_BANK, 0)
+ MCFG_DEVICE_PROGRAM_MAP(vrambank_map)
+ MCFG_ADDRESS_MAP_BANK_ENDIANNESS(ENDIANNESS_LITTLE)
+ MCFG_ADDRESS_MAP_BANK_DATABUS_WIDTH(8)
+ MCFG_ADDRESS_MAP_BANK_ADDRBUS_WIDTH(15)
+ MCFG_ADDRESS_MAP_BANK_STRIDE(0x4000)
+
/* video hardware */
MCFG_SCREEN_ADD("screen", RASTER)
@@ -417,14 +416,16 @@ static MACHINE_CONFIG_START( cultures, cultures_state )
MCFG_SCREEN_PALETTE("palette")
MCFG_GFXDECODE_ADD("gfxdecode", "palette", culture)
- MCFG_PALETTE_ADD("palette", 0x2000)
-
+ MCFG_PALETTE_ADD("palette", 0x3000/2)
+ MCFG_PALETTE_FORMAT(xRGBRRRRGGGGBBBB_bit0)
/* sound hardware */
MCFG_SPEAKER_STANDARD_MONO("mono")
- MCFG_OKIM6295_ADD("oki", (MCLK/1024)*132, OKIM6295_PIN7_HIGH) // clock frequency & pin 7 not verified
+ MCFG_OKIM6295_ADD("oki", MCLK/8, OKIM6295_PIN7_HIGH) // clock frequency & pin 7 not verified
MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.30)
+ MCFG_DEVICE_ADDRESS_MAP(AS_0, oki_map)
+
MACHINE_CONFIG_END
/*
@@ -471,23 +472,23 @@ ROM_START( cultures )
ROM_REGION( 0x40000, "maincpu", 0 )
ROM_LOAD( "ma01.u12", 0x000000, 0x040000, CRC(f57417b3) SHA1(9a2a50222f54e5da9bc5c66863b8be16e33b171f) )
- ROM_REGION( 0x300000, "gfx1", 0 )
+ ROM_REGION( 0x400000, "bg0", ROMREGION_ERASE00 )
ROM_LOAD( "bg0c.u45", 0x000000, 0x200000, CRC(ad2e1263) SHA1(b28a3d82aaa0421a7b4df837814147b109e7d1a5) )
ROM_LOAD( "bg0c2.u46", 0x200000, 0x100000, CRC(97c71c09) SHA1(ffbcee1d9cb39d0824f3aa652c3a24579113cf2e) )
-
- ROM_REGION( 0x400000, "gfx2", ROMREGION_ERASE00 )
- ROM_LOAD( "bg1c.u80", 0x000000, 0x200000, CRC(9ab99bd9) SHA1(bce41b6f5d83c8262ba8d37b2dfcd5d7a5e7ace7) )
- ROM_LOAD( "bg2t.u79", 0x200000, 0x100000, CRC(0610a79f) SHA1(9fc6b2e5c573ed682b2f7fa462c8f42ff99da5ba) )
/* 0x300000 - 0x3fffff empty */
- ROM_REGION( 0x400000, "gfx3", ROMREGION_ERASE00 )
+ ROM_REGION16_LE( 0x400000, "bg1", ROMREGION_ERASE00 )
ROM_LOAD( "bg2c.u68", 0x000000, 0x200000, CRC(fa598644) SHA1(532249e456c34f18a787d5a028df82f2170f604d) )
ROM_LOAD( "bg1t.u67", 0x200000, 0x100000, CRC(d2e594ee) SHA1(a84b5ab62dec1867d433ccaeb1381e7593958cf0) )
/* 0x300000 - 0x3fffff empty */
- ROM_REGION( 0x240000, "oki", 0 )
- ROM_LOAD( "pcm.u87", 0x040000, 0x200000, CRC(84206475) SHA1(d1423bd5c7425e121fb4e7845cf57801e9afa7b3) )
- ROM_RELOAD( 0x000000, 0x020000 )
+ ROM_REGION16_LE( 0x400000, "bg2", ROMREGION_ERASE00 )
+ ROM_LOAD( "bg1c.u80", 0x000000, 0x200000, CRC(9ab99bd9) SHA1(bce41b6f5d83c8262ba8d37b2dfcd5d7a5e7ace7) )
+ ROM_LOAD( "bg2t.u79", 0x200000, 0x100000, CRC(0610a79f) SHA1(9fc6b2e5c573ed682b2f7fa462c8f42ff99da5ba) )
+ /* 0x300000 - 0x3fffff empty */
+
+ ROM_REGION( 0x200000, "oki", 0 )
+ ROM_LOAD( "pcm.u87", 0x000000, 0x200000, CRC(84206475) SHA1(d1423bd5c7425e121fb4e7845cf57801e9afa7b3) )
ROM_END