// license:BSD-3-Clause
// copyright-holders:David Haywood
/* Mogura Desse */
#include "emu.h"
#include "includes/konamipt.h"
#include "cpu/z80/z80.h"
#include "sound/dac.h"
#include "sound/volt_reg.h"
#include "emupal.h"
#include "screen.h"
#include "speaker.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),
m_maincpu(*this, "maincpu"),
m_ldac(*this, "ldac"),
m_rdac(*this, "rdac"),
m_gfxram(*this, "gfxram"),
m_tileram(*this, "tileram"),
m_gfxdecode(*this, "gfxdecode")
{ }
void mogura(machine_config &config);
private:
required_device<cpu_device> m_maincpu;
required_device<dac_byte_interface> m_ldac;
required_device<dac_byte_interface> m_rdac;
required_shared_ptr<uint8_t> m_gfxram;
required_shared_ptr<uint8_t> m_tileram;
required_device<gfxdecode_device> m_gfxdecode;
tilemap_t *m_tilemap;
DECLARE_WRITE8_MEMBER(mogura_tileram_w);
DECLARE_WRITE8_MEMBER(mogura_dac_w);
DECLARE_WRITE8_MEMBER(mogura_gfxram_w);
TILE_GET_INFO_MEMBER(get_mogura_tile_info);
virtual void machine_start() override;
virtual void video_start() override;
DECLARE_PALETTE_INIT(mogura);
uint32_t screen_update_mogura(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
void mogura_io_map(address_map &map);
void mogura_map(address_map &map);
};
PALETTE_INIT_MEMBER(mogura_state, mogura)
{
const uint8_t *color_prom = memregion("proms")->base();
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_pen_color(j, rgb_t(r, g, b));
j += 4;
if (j > 31) j -= 31;
}
}
TILE_GET_INFO_MEMBER(mogura_state::get_mogura_tile_info)
{
int code = m_tileram[tile_index];
int attr = m_tileram[tile_index + 0x800];
SET_TILE_INFO_MEMBER(0,
code,
(attr >> 1) & 7,
0);
}
void mogura_state::video_start()
{
m_gfxdecode->gfx(0)->set_source(m_gfxram);
m_tilemap = &machine().tilemap().create(*m_gfxdecode, tilemap_get_info_delegate(FUNC(mogura_state::get_mogura_tile_info),this), TILEMAP_SCAN_ROWS, 8, 8, 64, 32);
}
uint32_t mogura_state::screen_update_mogura(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
{
const rectangle &visarea = screen.visible_area();
/* tilemap layout is a bit strange ... */
rectangle clip = visarea;
clip.max_x = 256 - 1;
m_tilemap->set_scrollx(0, 256);
m_tilemap->draw(screen, bitmap, clip, 0, 0);
clip.min_x = 256;
clip.max_x = 512 - 1;
m_tilemap->set_scrollx(0, -128);
m_tilemap->draw(screen, bitmap, clip, 0, 0);
return 0;
}
WRITE8_MEMBER(mogura_state::mogura_tileram_w)
{
m_tileram[offset] = data;
m_tilemap->mark_tile_dirty(offset & 0x7ff);
}
WRITE8_MEMBER(mogura_state::mogura_dac_w)
{
m_ldac->write(data >> 4);
m_rdac->write(data & 15);
}
WRITE8_MEMBER(mogura_state::mogura_gfxram_w)
{
m_gfxram[offset] = data ;
m_gfxdecode->gfx(0)->mark_dirty(offset / 16);
}
void mogura_state::mogura_map(address_map &map)
{
map(0x0000, 0x7fff).rom();
map(0xc000, 0xdfff).ram(); // main ram
map(0xe000, 0xefff).ram().w(FUNC(mogura_state::mogura_gfxram_w)).share("gfxram"); // ram based characters
map(0xf000, 0xffff).ram().w(FUNC(mogura_state::mogura_tileram_w)).share("tileram"); // tilemap
}
void mogura_state::mogura_io_map(address_map &map)
{
map.global_mask(0xff);
map(0x00, 0x00).nopw(); // ??
map(0x08, 0x08).portr("SYSTEM");
map(0x0c, 0x0c).portr("P1");
map(0x0d, 0x0d).portr("P2");
map(0x0e, 0x0e).portr("P3");
map(0x0f, 0x0f).portr("P4");
map(0x10, 0x10).portr("SERVICE");
map(0x14, 0x14).w(FUNC(mogura_state::mogura_dac_w)); /* 4 bit DAC x 2. MSB = left, LSB = right */
}
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( gfx_mogura )
GFXDECODE_ENTRY( nullptr, 0, tiles8x8_layout, 0, 8 )
GFXDECODE_END
void mogura_state::machine_start()
{
}
MACHINE_CONFIG_START(mogura_state::mogura)
/* basic machine hardware */
MCFG_DEVICE_ADD("maincpu", Z80,3000000) /* 3 MHz */
MCFG_DEVICE_PROGRAM_MAP(mogura_map)
MCFG_DEVICE_IO_MAP(mogura_io_map)
MCFG_DEVICE_VBLANK_INT_DRIVER("screen", mogura_state, irq0_line_hold)
/* video hardware */
MCFG_SCREEN_ADD("screen", RASTER)
MCFG_SCREEN_REFRESH_RATE(60) // ?
MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(0))
MCFG_SCREEN_SIZE(512, 512)
MCFG_SCREEN_VISIBLE_AREA(0, 320-1, 0, 256-1)
MCFG_SCREEN_UPDATE_DRIVER(mogura_state, screen_update_mogura)
MCFG_SCREEN_PALETTE("palette")
MCFG_DEVICE_ADD("gfxdecode", GFXDECODE, "palette", gfx_mogura)
MCFG_PALETTE_ADD("palette", 32)
MCFG_PALETTE_INIT_OWNER(mogura_state, mogura)
/* sound hardware */
SPEAKER(config, "lspeaker").front_left();
SPEAKER(config, "rspeaker").front_right();
MCFG_DEVICE_ADD("ldac", DAC_4BIT_R2R, 0) MCFG_SOUND_ROUTE(ALL_OUTPUTS, "lspeaker", 0.25) // unknown DAC
MCFG_DEVICE_ADD("rdac", DAC_4BIT_R2R, 0) MCFG_SOUND_ROUTE(ALL_OUTPUTS, "rspeaker", 0.25) // unknown DAC
MCFG_DEVICE_ADD("vref", VOLTAGE_REGULATOR, 0) MCFG_VOLTAGE_REGULATOR_OUTPUT(5.0)
MCFG_SOUND_ROUTE(0, "ldac", 1.0, DAC_VREF_POS_INPUT) MCFG_SOUND_ROUTE(0, "ldac", -1.0, DAC_VREF_NEG_INPUT)
MCFG_SOUND_ROUTE(0, "rdac", 1.0, DAC_VREF_POS_INPUT) MCFG_SOUND_ROUTE(0, "rdac", -1.0, DAC_VREF_NEG_INPUT)
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, mogura_state, empty_init, ROT0, "Konami", "Mogura Desse (Japan)", MACHINE_SUPPORTS_SAVE )