// license:BSD-3-Clause // copyright-holders:Angelo Salese /*************************************************************************** GX800 (Konami Test board) driver by Angelo Salese Notes: Z80, 8KB RAM, 2 * SN76489AN for sound, TTLs for video/misc There are 5 x 005273 (Konami custom resistor array (SIL10)) on the PCB, also seen on Jail Break HW menu translation: * screen distortion adjustment normal * screen distortion adjustment wide * input/output check * color check * sound check ***************************************************************************/ #include "emu.h" #include "cpu/z80/z80.h" #include "sound/sn76496.h" #include "emupal.h" #include "screen.h" #include "speaker.h" #define MAIN_CLOCK XTAL(24'000'000) class kontest_state : public driver_device { public: kontest_state(const machine_config &mconfig, device_type type, const char *tag) : driver_device(mconfig, type, tag), m_maincpu(*this, "maincpu"), m_ram(*this, "ram"), m_palette(*this, "palette") { } void kontest(machine_config &config); private: // devices required_device m_maincpu; required_shared_ptr m_ram; required_device m_palette; // screen updates uint32_t screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect); // driver state uint8_t m_control; // member functions DECLARE_WRITE8_MEMBER(control_w); void kontest_io(address_map &map); void kontest_map(address_map &map); // driver_device overrides virtual void machine_start() override; virtual void machine_reset() override; virtual void video_start() override; void kontest_palette(palette_device &palette) const; INTERRUPT_GEN_MEMBER(kontest_interrupt); }; /*************************************************************************** Video ***************************************************************************/ void kontest_state::kontest_palette(palette_device &palette) const { const uint8_t *color_prom = memregion("proms")->base(); for (int i = 0; i < 0x20; ++i) { int bit0, bit1, bit2; bit0 = 0; bit1 = BIT(color_prom[i], 6); bit2 = BIT(color_prom[i], 7); int const b = 0x21 * bit0 + 0x47 * bit1 + 0x97 * bit2; bit0 = BIT(color_prom[i], 3); bit1 = BIT(color_prom[i], 4); bit2 = BIT(color_prom[i], 5); int const g = 0x21 * bit0 + 0x47 * bit1 + 0x97 * bit2; bit0 = BIT(color_prom[i], 0); bit1 = BIT(color_prom[i], 1); bit2 = BIT(color_prom[i], 2); int const r = 0x21 * bit0 + 0x47 * bit1 + 0x97 * bit2; palette.set_pen_color(i, rgb_t(r, g, b)); } } void kontest_state::video_start() { } uint32_t kontest_state::screen_update( screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect ) { int x,y; int xi,yi; uint16_t tile; uint8_t attr; for(y=0;y<32;y++) { for(x=0;x<64;x++) { tile = m_ram[(x+y*64)|0x800]; attr = m_ram[(x+((y >> 1)*64))|0x000] & 7; tile *= 0x10; tile += 0x1000; for(yi=0;yi<8;yi++) { for(xi=0;xi<8;xi++) { uint8_t color,pen[2]; uint8_t x_step; int res_x,res_y; x_step = xi >> 2; pen[0] = m_ram[(x_step+yi*2)|(tile)]; pen[0] >>= 3-((xi & 3)); pen[0] &= 1; pen[1] = m_ram[(x_step+yi*2)|(tile)]; pen[1] >>= 7-((xi & 3)); pen[1] &= 1; color = pen[0]; color|= pen[1]<<1; res_x = x*8+xi-256; res_y = y*8+yi; if (cliprect.contains(res_x, res_y)) bitmap.pix32(res_y, res_x) = m_palette->pen(color|attr*4); } } } } return 0; } /*************************************************************************** I/O ***************************************************************************/ WRITE8_MEMBER(kontest_state::control_w) { // d3: irq mask // d2: ? (reset during 1st grid test and color test) // other bits: ? m_control = data; m_maincpu->set_input_line(0, CLEAR_LINE); } void kontest_state::kontest_map(address_map &map) { map(0x0000, 0x7fff).rom(); map(0xe000, 0xffff).ram().share("ram"); } void kontest_state::kontest_io(address_map &map) { map.global_mask(0xff); map(0x00, 0x00).w("sn1", FUNC(sn76489a_device::write)); map(0x04, 0x04).w("sn2", FUNC(sn76489a_device::write)); map(0x08, 0x08).w(FUNC(kontest_state::control_w)); map(0x0c, 0x0c).portr("IN0"); map(0x0d, 0x0d).portr("IN1"); map(0x0e, 0x0e).portr("IN2"); map(0x0f, 0x0f).portr("IN3"); } /*************************************************************************** Inputs ***************************************************************************/ static INPUT_PORTS_START( kontest ) PORT_START("IN0") PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_8WAY PORT_PLAYER(1) PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_8WAY PORT_PLAYER(1) PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_8WAY PORT_PLAYER(1) PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_8WAY PORT_PLAYER(1) PORT_BIT( 0xf0, IP_ACTIVE_LOW, IPT_UNUSED ) PORT_START("IN1") PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_8WAY PORT_PLAYER(2) PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_8WAY PORT_PLAYER(2) PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_8WAY PORT_PLAYER(2) PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_8WAY PORT_PLAYER(2) PORT_BIT( 0xf0, IP_ACTIVE_LOW, IPT_UNUSED ) PORT_START("IN2") PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(1) PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_PLAYER(1) PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_BUTTON3 ) PORT_PLAYER(1) PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_START1 ) PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_COIN1 ) PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_SERVICE ) PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_SERVICE1 ) PORT_DIPNAME( 0x80, 0x80, "Orientation" ) PORT_DIPSETTING( 0x80, "Horizontal" ) PORT_DIPSETTING( 0x00, "Vertical" ) PORT_START("IN3") PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(2) PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_PLAYER(2) PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_BUTTON3 ) PORT_PLAYER(2) PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_START2 ) PORT_BIT( 0xf0, IP_ACTIVE_LOW, IPT_UNUSED ) INPUT_PORTS_END /*************************************************************************** Machine Config ***************************************************************************/ INTERRUPT_GEN_MEMBER(kontest_state::kontest_interrupt) { if (m_control & 8) device.execute().set_input_line(0, ASSERT_LINE); } void kontest_state::machine_start() { // save state save_item(NAME(m_control)); } void kontest_state::machine_reset() { m_control = 0; } void kontest_state::kontest(machine_config &config) { /* basic machine hardware */ Z80(config, m_maincpu, MAIN_CLOCK/8); m_maincpu->set_addrmap(AS_PROGRAM, &kontest_state::kontest_map); m_maincpu->set_addrmap(AS_IO, &kontest_state::kontest_io); m_maincpu->set_vblank_int("screen", FUNC(kontest_state::kontest_interrupt)); /* video hardware */ screen_device &screen(SCREEN(config, "screen", SCREEN_TYPE_RASTER)); screen.set_refresh_hz(60); screen.set_vblank_time(ATTOSECONDS_IN_USEC(0)); screen.set_screen_update(FUNC(kontest_state::screen_update)); screen.set_size(32*8, 32*8); screen.set_visarea(0*8, 32*8-1, 2*8, 30*8-1); PALETTE(config, m_palette, FUNC(kontest_state::kontest_palette), 32); /* sound hardware */ SPEAKER(config, "lspeaker").front_left(); SPEAKER(config, "rspeaker").front_right(); SN76489A(config, "sn1", MAIN_CLOCK/16).add_route(ALL_OUTPUTS, "rspeaker", 0.50); SN76489A(config, "sn2", MAIN_CLOCK/16).add_route(ALL_OUTPUTS, "lspeaker", 0.50); } /*************************************************************************** Game driver(s) ***************************************************************************/ ROM_START( kontest ) ROM_REGION( 0x10000, "maincpu", 0 ) ROM_LOAD( "800b01.10d", 0x000000, 0x008000, CRC(520f83dc) SHA1(abc23c586864c2ecbc5b16614e27faafc93287de) ) ROM_REGION( 0x20, "proms", 0 ) ROM_LOAD( "800a02.4f", 0x000000, 0x000020, CRC(6d604171) SHA1(6b1366fb53cecbde6fb651142a77917dd16daf69) ) ROM_END GAME( 1987?, kontest, 0, kontest, kontest, kontest_state, empty_init, ROT0, "Konami", "Konami Test Board (GX800, Japan)", MACHINE_SUPPORTS_SAVE ) // late 1987 or early 1988