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Diffstat (limited to 'trunk/src/mame/drivers/mogura.c')
-rw-r--r--trunk/src/mame/drivers/mogura.c246
1 files changed, 246 insertions, 0 deletions
diff --git a/trunk/src/mame/drivers/mogura.c b/trunk/src/mame/drivers/mogura.c
new file mode 100644
index 00000000000..e269b3cc55c
--- /dev/null
+++ b/trunk/src/mame/drivers/mogura.c
@@ -0,0 +1,246 @@
+/* Mogura Desse */
+
+#include "emu.h"
+#include "cpu/z80/z80.h"
+#include "sound/dac.h"
+#include "includes/konamipt.h"
+
+class mogura_state : public driver_device
+{
+public:
+ mogura_state(const machine_config &mconfig, device_type type, const char *tag)
+ : driver_device(mconfig, type, tag) { }
+
+ /* memory pointers */
+ UINT8 * m_tileram;
+ UINT8 * m_gfxram;
+
+ /* video-related */
+ tilemap_t *m_tilemap;
+
+ /* devices */
+ device_t *m_maincpu;
+ device_t *m_dac1;
+ device_t *m_dac2;
+};
+
+
+static PALETTE_INIT( mogura )
+{
+ int i, j;
+
+ j = 0;
+ for (i = 0; i < 0x20; i++)
+ {
+ int bit0, bit1, bit2, r, g, b;
+
+ /* red component */
+ bit0 = BIT(color_prom[i], 0);
+ bit1 = BIT(color_prom[i], 1);
+ bit2 = BIT(color_prom[i], 2);
+ r = 0x21 * bit0 + 0x47 * bit1 + 0x97 * bit2;
+ /* green component */
+ bit0 = BIT(color_prom[i], 3);
+ bit1 = BIT(color_prom[i], 4);
+ bit2 = BIT(color_prom[i], 5);
+ g = 0x21 * bit0 + 0x47 * bit1 + 0x97 * bit2;
+ /* blue component */
+ bit0 = 0;
+ bit1 = BIT(color_prom[i], 6);
+ bit2 = BIT(color_prom[i], 7);
+ b = 0x21 * bit0 + 0x47 * bit1 + 0x97 * bit2;
+
+ palette_set_color(machine, j, MAKE_RGB(r, g, b));
+ j += 4;
+ if (j > 31) j -= 31;
+ }
+}
+
+
+static TILE_GET_INFO( get_mogura_tile_info )
+{
+ mogura_state *state = machine.driver_data<mogura_state>();
+ int code = state->m_tileram[tile_index];
+ int attr = state->m_tileram[tile_index + 0x800];
+
+ SET_TILE_INFO(
+ 0,
+ code,
+ (attr >> 1) & 7,
+ 0);
+}
+
+
+static VIDEO_START( mogura )
+{
+ mogura_state *state = machine.driver_data<mogura_state>();
+ gfx_element_set_source(machine.gfx[0], state->m_gfxram);
+ state->m_tilemap = tilemap_create(machine, get_mogura_tile_info, tilemap_scan_rows, 8, 8, 64, 32);
+}
+
+static SCREEN_UPDATE( mogura )
+{
+ mogura_state *state = screen->machine().driver_data<mogura_state>();
+ const rectangle &visarea = screen->visible_area();
+
+ /* tilemap layout is a bit strange ... */
+ rectangle clip;
+ clip.min_x = visarea.min_x;
+ clip.max_x = 256 - 1;
+ clip.min_y = visarea.min_y;
+ clip.max_y = visarea.max_y;
+ tilemap_set_scrollx(state->m_tilemap, 0, 256);
+ tilemap_draw(bitmap, &clip, state->m_tilemap, 0, 0);
+
+ clip.min_x = 256;
+ clip.max_x = 512 - 1;
+ clip.min_y = visarea.min_y;
+ clip.max_y = visarea.max_y;
+ tilemap_set_scrollx(state->m_tilemap, 0, -128);
+ tilemap_draw(bitmap, &clip, state->m_tilemap, 0, 0);
+
+ return 0;
+}
+
+static WRITE8_HANDLER( mogura_tileram_w )
+{
+ mogura_state *state = space->machine().driver_data<mogura_state>();
+ state->m_tileram[offset] = data;
+ tilemap_mark_tile_dirty(state->m_tilemap, offset & 0x7ff);
+}
+
+static WRITE8_HANDLER(mogura_dac_w)
+{
+ mogura_state *state = space->machine().driver_data<mogura_state>();
+ dac_data_w(state->m_dac1, data & 0xf0); /* left */
+ dac_data_w(state->m_dac2, (data & 0x0f) << 4); /* right */
+}
+
+
+static WRITE8_HANDLER ( mogura_gfxram_w )
+{
+ mogura_state *state = space->machine().driver_data<mogura_state>();
+ state->m_gfxram[offset] = data ;
+
+ gfx_element_mark_dirty(space->machine().gfx[0], offset / 16);
+}
+
+
+static ADDRESS_MAP_START( mogura_map, AS_PROGRAM, 8 )
+ AM_RANGE(0x0000, 0x7fff) AM_ROM
+ AM_RANGE(0xc000, 0xdfff) AM_RAM // main ram
+ AM_RANGE(0xe000, 0xefff) AM_RAM_WRITE(mogura_gfxram_w) AM_BASE_MEMBER(mogura_state, m_gfxram) // ram based characters
+ AM_RANGE(0xf000, 0xffff) AM_RAM_WRITE(mogura_tileram_w) AM_BASE_MEMBER(mogura_state, m_tileram) // tilemap
+ADDRESS_MAP_END
+
+static ADDRESS_MAP_START( mogura_io_map, AS_IO, 8 )
+ ADDRESS_MAP_GLOBAL_MASK(0xff)
+ AM_RANGE(0x00, 0x00) AM_WRITENOP // ??
+ AM_RANGE(0x08, 0x08) AM_READ_PORT("SYSTEM")
+ AM_RANGE(0x0c, 0x0c) AM_READ_PORT("P1")
+ AM_RANGE(0x0d, 0x0d) AM_READ_PORT("P2")
+ AM_RANGE(0x0e, 0x0e) AM_READ_PORT("P3")
+ AM_RANGE(0x0f, 0x0f) AM_READ_PORT("P4")
+ AM_RANGE(0x10, 0x10) AM_READ_PORT("SERVICE")
+ AM_RANGE(0x14, 0x14) AM_WRITE(mogura_dac_w) /* 4 bit DAC x 2. MSB = left, LSB = right */
+ADDRESS_MAP_END
+
+static INPUT_PORTS_START( mogura )
+ PORT_START("SYSTEM")
+ PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_COIN1 )
+ PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_COIN2 )
+ PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_COIN3 )
+ PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_COIN4 )
+ PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_SERVICE1 )
+ PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_SERVICE2 )
+ PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_SERVICE3 )
+ PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_SERVICE4 )
+
+ PORT_START("P1")
+ KONAMI8_B123_START(1)
+
+ PORT_START("P2")
+ KONAMI8_B123_START(2)
+
+ PORT_START("P3")
+ KONAMI8_B123_START(3)
+
+ PORT_START("P4")
+ KONAMI8_B123_START(4)
+
+ PORT_START("SERVICE")
+ PORT_SERVICE_NO_TOGGLE( 0x01, IP_ACTIVE_LOW)
+ PORT_BIT( 0xfe, IP_ACTIVE_LOW, IPT_UNUSED )
+INPUT_PORTS_END
+
+
+
+static const gfx_layout tiles8x8_layout =
+{
+ 8,8,
+ 0x1000*8/(16*8),
+ 2,
+ { 0, 1 },
+ { 0, 2, 4, 6, 8, 10, 12, 14 },
+ { 0*16, 1*16, 2*16, 3*16, 4*16, 5*16, 6*16, 7*16 },
+ 16*8
+};
+
+static GFXDECODE_START( mogura )
+ GFXDECODE_ENTRY( NULL, 0, tiles8x8_layout, 0, 8 )
+GFXDECODE_END
+
+static MACHINE_START( mogura )
+{
+ mogura_state *state = machine.driver_data<mogura_state>();
+
+ state->m_maincpu = machine.device("maincpu");
+ state->m_dac1 = machine.device("dac1");
+ state->m_dac2 = machine.device("dac2");
+}
+
+static MACHINE_CONFIG_START( mogura, mogura_state )
+
+ /* basic machine hardware */
+ MCFG_CPU_ADD("maincpu", Z80,3000000) /* 3 MHz */
+ MCFG_CPU_PROGRAM_MAP(mogura_map)
+ MCFG_CPU_IO_MAP(mogura_io_map)
+ MCFG_CPU_VBLANK_INT("screen", irq0_line_hold)
+
+ MCFG_MACHINE_START(mogura)
+
+ MCFG_GFXDECODE(mogura)
+
+ /* video hardware */
+ MCFG_SCREEN_ADD("screen", RASTER)
+ MCFG_SCREEN_REFRESH_RATE(60) // ?
+ MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(0))
+ MCFG_SCREEN_FORMAT(BITMAP_FORMAT_INDEXED16)
+ MCFG_SCREEN_SIZE(512, 512)
+ MCFG_SCREEN_VISIBLE_AREA(0, 320-1, 0, 256-1)
+ MCFG_SCREEN_UPDATE(mogura)
+
+ MCFG_PALETTE_LENGTH(32)
+
+ MCFG_PALETTE_INIT(mogura)
+ MCFG_VIDEO_START(mogura)
+
+ /* sound hardware */
+ MCFG_SPEAKER_STANDARD_STEREO("lspeaker", "rspeaker")
+
+ MCFG_SOUND_ADD("dac1", DAC, 0)
+ MCFG_SOUND_ROUTE(ALL_OUTPUTS, "lspeaker", 0.50)
+
+ MCFG_SOUND_ADD("dac2", DAC, 0)
+ MCFG_SOUND_ROUTE(ALL_OUTPUTS, "rspeaker", 0.50)
+MACHINE_CONFIG_END
+
+ROM_START( mogura )
+ ROM_REGION( 0x10000, "maincpu", 0 )
+ ROM_LOAD( "gx141.5n", 0x00000, 0x08000, CRC(98e6120d) SHA1(45cdb2d78224a7c44fff8cd3487f33c57669a06c) )
+
+ ROM_REGION( 0x20, "proms", 0 )
+ ROM_LOAD( "gx141.7j", 0x00, 0x20, CRC(b21c5d5f) SHA1(6913c840dd69a7d4687f4c4cbe3ff12300f62bc2) )
+ROM_END
+
+GAME( 1991, mogura, 0, mogura, mogura, 0, ROT0, "Konami", "Mogura Desse (Japan)", GAME_SUPPORTS_SAVE )