// license:GPL-2.0+ // copyright-holders:Jarek Burczynski, Tomasz Slanina /*************************************************************************** Driver by Jarek Burczynski, started by Tomasz Slanina dox@space.pl Lots of hardware info from Guru memory map : 0000 - 3fff rom 4000 - 43ff RAM for main CPU 4800 - 480f control area (connected to 74LS259 8-bit addressable latch; lines A0,A1,A2 - address input, line A3 - data input) 4800,4808 - control shared RAM access between main CPU/sub CPU. 4800=access for sub CPU, 4808=access for main CPU 4801,4809 - NMI disable/enable 4802,480a - 4803,480b - 4804,480c - 4807,480f -? 4800 - 4800 read: input 5000 - 5000 read: input 5800 - 5800 read: input 5800 - 5800 write: watchdog 6000 - AY port write 6800 - AY data write 7000 - 73ff RAM shared: main CPU/ALPHA MCU 7800 - 7bff RAM shared: between main CPU/sub CPU 8000 - bfff colorram c000 - ffff videoram Both games use custom MCU: ALPHA 8201 (42 pin DIP). It's connected to the RAM that is shared with the first CPU. Shougi Alpha Electronics Co. Ltd., 198x PCB No: 57F1 CPU : Z80A (x2) SOUND : AY-3-8910 XTAL : 10.000MHz RAM : 2114 (x6), one RAM: 0x400 x 4bits = 0x400 bytes (x 3) mapped at: 1: 0x4000 - 0x43ff (main CPU - stack also here, so it is work RAM) 2: 0x7000 - 0x73ff (main CPU - shared with ALPHA-8201) 3: 0x6000 - 0x63ff (sub CPU) 4116 (x16), one RAM: 16K x 1bit = 16K x 8bits *2 = 32K x 8bits mapped at: 0x8000 - 0xffff CUSTOM: ALPHA 8201 (42 pin DIP) DIPSW : 6 position (x1) Positions 1, 5 & 6 not used 4 3 2 ------------------------------ OFF OFF OFF 1 minutes (time for the opponent to make his decision) OFF OFF ON 2 OFF ON OFF 3 OFF ON ON 4 ON OFF OFF 5 ON OFF ON 10 ON ON OFF 20 ON ON ON 30 ROMs : All type 2732 PROM : Type MB7051 **************************************************************************/ #include "emu.h" #include "machine/74259.h" #include "machine/alpha8201.h" #include "machine/watchdog.h" #include "cpu/z80/z80.h" #include "sound/ay8910.h" #include "video/resnet.h" #include "screen.h" #include "speaker.h" class shougi_state : public driver_device { public: shougi_state(const machine_config &mconfig, device_type type, const char *tag) : driver_device(mconfig, type, tag), m_maincpu(*this, "maincpu"), m_subcpu(*this, "sub"), m_alpha_8201(*this, "alpha_8201"), m_videoram(*this, "videoram") { } void shougi(machine_config &config); protected: DECLARE_WRITE_LINE_MEMBER(nmi_enable_w); DECLARE_READ8_MEMBER(semaphore_r); DECLARE_PALETTE_INIT(shougi); uint32_t screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect); INTERRUPT_GEN_MEMBER(vblank_nmi); virtual void machine_start() override; void main_map(address_map &map); void readport_sub(address_map &map); void sub_map(address_map &map); private: // devices/pointers required_device m_maincpu; required_device m_subcpu; required_device m_alpha_8201; required_shared_ptr m_videoram; uint8_t m_nmi_enabled; int m_r; }; void shougi_state::machine_start() { // zerofill m_nmi_enabled = 0; m_r = 0; // register for savestates save_item(NAME(m_nmi_enabled)); save_item(NAME(m_r)); } /*************************************************************************** Video ***************************************************************************/ /*************************************************************************** Convert the color PROMs into a more useable format. bit 0 -- 1000 ohm resistor--\ bit 1 -- 470 ohm resistor --+--+--> RED bit 2 -- 220 ohm resistor --/ \---------------1000 ohm resistor---\ bit 3 -- 1000 ohm resistor--\ | bit 4 -- 470 ohm resistor --+--+--> GREEN | bit 5 -- 220 ohm resistor --/ \---------------1000 ohm resistor---+--- GND bit 6 -- 470 ohm resistor --+--+--> BLUE | bit 7 -- 220 ohm resistor --/ \---------------1000 ohm resistor---/ ***************************************************************************/ PALETTE_INIT_MEMBER(shougi_state, shougi) { const uint8_t *color_prom = memregion("proms")->base(); static const int resistances_b[2] = { 470, 220 }; static const int resistances_rg[3] = { 1000, 470, 220 }; double weights_r[3], weights_g[3], weights_b[2]; compute_resistor_weights(0, 255, -1.0, 3, resistances_rg, weights_r, 1000, 0, 3, resistances_rg, weights_g, 1000, 0, 2, resistances_b, weights_b, 1000, 0); for (int i = 0; i < palette.entries(); i++) { int bit0,bit1,bit2,r,g,b; /* red component */ bit0 = (color_prom[i] >> 0) & 0x01; bit1 = (color_prom[i] >> 1) & 0x01; bit2 = (color_prom[i] >> 2) & 0x01; r = combine_3_weights(weights_r, bit0, bit1, bit2); /* green component */ bit0 = (color_prom[i] >> 3) & 0x01; bit1 = (color_prom[i] >> 4) & 0x01; bit2 = (color_prom[i] >> 5) & 0x01; g = combine_3_weights(weights_g, bit0, bit1, bit2); /* blue component */ bit0 = (color_prom[i] >> 6) & 0x01; bit1 = (color_prom[i] >> 7) & 0x01; b = combine_2_weights(weights_b, bit0, bit1); palette.set_pen_color(i,rgb_t(r,g,b)); } } uint32_t shougi_state::screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect) { for (int offs = 0; offs < 0x4000; offs++) { int sx, sy, x, data1, data2, color, data; sx = offs >> 8; /*00..0x3f (64*4=256)*/ sy = offs & 0xff; /*00..0xff*/ data1 = m_videoram[offs]; /* color */ data2 = m_videoram[0x4000 + offs]; /* pixel data */ for (x=0; x<4; x++) /*4 pixels per byte (2 bitplanes in 2 nibbles: 1st=bits 7-4, 2nd=bits 3-0)*/ { color= ((data1>>x) & 1) | (((data1>>(4+x)) & 1)<<1); data = ((data2>>x) & 1) | (((data2>>(4+x)) & 1)<<1); bitmap.pix16(255-sy, 255-(sx*4 + x)) = color*4 + data; } } return 0; } /*************************************************************************** I/O ***************************************************************************/ // maincpu side WRITE_LINE_MEMBER(shougi_state::nmi_enable_w) { m_nmi_enabled = state; // NMI lines are tied together on both CPUs and connected to the LS74 /Q output if (!m_nmi_enabled) { m_maincpu->set_input_line(INPUT_LINE_NMI, CLEAR_LINE); m_subcpu->set_input_line(INPUT_LINE_NMI, CLEAR_LINE); } } void shougi_state::main_map(address_map &map) { map(0x0000, 0x3fff).rom(); map(0x4000, 0x43ff).ram(); /* 2114 x 2 (0x400 x 4bit each) */ map(0x4800, 0x480f).w("mainlatch", FUNC(ls259_device::write_a3)); map(0x4800, 0x4800).portr("DSW"); map(0x5000, 0x5000).portr("P1"); map(0x5800, 0x5800).portr("P2").w("watchdog", FUNC(watchdog_timer_device::reset_w)); /* game won't boot if watchdog doesn't work */ map(0x6000, 0x6000).w("aysnd", FUNC(ay8910_device::address_w)); map(0x6800, 0x6800).w("aysnd", FUNC(ay8910_device::data_w)); map(0x7000, 0x73ff).rw(m_alpha_8201, FUNC(alpha_8201_device::ext_ram_r), FUNC(alpha_8201_device::ext_ram_w)); map(0x7800, 0x7bff).ram().share("sharedram"); /* 2114 x 2 (0x400 x 4bit each) */ map(0x8000, 0xffff).ram().share("videoram"); /* 4116 x 16 (32K) */ } // subcpu side READ8_MEMBER(shougi_state::semaphore_r) { // d0: waits for it to be set before handling NMI routine // hmm it must be a signal from maincpu, but what? m_r ^= 1; return m_r; } void shougi_state::sub_map(address_map &map) { map(0x0000, 0x5fff).rom(); map(0x6000, 0x63ff).ram().share("sharedram"); /* 2114 x 2 (0x400 x 4bit each) */ } void shougi_state::readport_sub(address_map &map) { map.global_mask(0x00ff); map(0x00, 0x00).r(this, FUNC(shougi_state::semaphore_r)); } /*************************************************************************** Inputs ***************************************************************************/ static INPUT_PORTS_START( shougi ) PORT_START("P1") PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_START2 ) PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_START1 ) PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_BUTTON2 ) PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_BUTTON1 ) PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_JOYSTICK_LEFT ) PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_JOYSTICK_RIGHT ) PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_JOYSTICK_DOWN ) PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_JOYSTICK_UP ) PORT_START("P2") PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_UNKNOWN ) PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_UNKNOWN ) PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_BUTTON2 ) PORT_PLAYER(2) PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_BUTTON1 ) PORT_PLAYER(2) PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_JOYSTICK_LEFT ) PORT_PLAYER(2) PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_JOYSTICK_RIGHT ) PORT_PLAYER(2) PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_JOYSTICK_DOWN ) PORT_PLAYER(2) PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_JOYSTICK_UP ) PORT_PLAYER(2) // dip switch order is not sequential. Only 2,3,4, and 5 identified. // 1 and 6 missing, with three possible positions (the third available // bit is not a dip switch) PORT_START("DSW") PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_COIN1 ) PORT_DIPNAME( 0x08, 0x08, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x08, DEF_STR( Off ) ) PORT_DIPSETTING( 0x00, DEF_STR( On ) ) PORT_DIPNAME( 0x32, 0x32, "Time" ) PORT_DIPLOCATION("SW:!3,!4,!2") PORT_DIPSETTING( 0x00, "1 Minute" ) PORT_DIPSETTING( 0x20, "2 Minutes" ) PORT_DIPSETTING( 0x02, "3 Minutes" ) PORT_DIPSETTING( 0x22, "4 Minutes" ) PORT_DIPSETTING( 0x10, "5 Minutes" ) PORT_DIPSETTING( 0x30, "10 Minutes" ) PORT_DIPSETTING( 0x12, "20 Minutes" ) PORT_DIPSETTING( 0x32, "30 Minutes" ) PORT_DIPNAME( 0x04, 0x04, DEF_STR( Unknown ) ) PORT_DIPLOCATION("SW:!5") PORT_DIPSETTING( 0x04, DEF_STR( Off ) ) PORT_DIPSETTING( 0x00, DEF_STR( On ) ) PORT_DIPNAME( 0x40, 0x40, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x40, DEF_STR( Off ) ) PORT_DIPSETTING( 0x00, DEF_STR( On ) ) PORT_DIPNAME( 0x80, 0x80, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x80, DEF_STR( Off ) ) PORT_DIPSETTING( 0x00, DEF_STR( On ) ) INPUT_PORTS_END static INPUT_PORTS_START( shougi2 ) PORT_INCLUDE(shougi) PORT_MODIFY("DSW") PORT_DIPNAME( 0x04, 0x04, DEF_STR( Coinage ) ) PORT_DIPLOCATION("SW:!5") PORT_DIPSETTING( 0x00, DEF_STR( 2C_1C ) ) PORT_DIPSETTING( 0x04, DEF_STR( 1C_1C ) ) INPUT_PORTS_END /*************************************************************************** Machine Config ***************************************************************************/ INTERRUPT_GEN_MEMBER(shougi_state::vblank_nmi) { if (m_nmi_enabled) { m_maincpu->set_input_line(INPUT_LINE_NMI, ASSERT_LINE); m_subcpu->set_input_line(INPUT_LINE_NMI, ASSERT_LINE); } } MACHINE_CONFIG_START(shougi_state::shougi) /* basic machine hardware */ MCFG_DEVICE_ADD("maincpu", Z80, XTAL(10'000'000)/4) MCFG_DEVICE_PROGRAM_MAP(main_map) MCFG_DEVICE_VBLANK_INT_DRIVER("screen", shougi_state, vblank_nmi) MCFG_DEVICE_ADD("sub", Z80, XTAL(10'000'000)/4) MCFG_DEVICE_PROGRAM_MAP(sub_map) MCFG_DEVICE_IO_MAP(readport_sub) MCFG_DEVICE_ADD("alpha_8201", ALPHA_8201, XTAL(10'000'000)/4/8) MCFG_DEVICE_ADD("mainlatch", LS259, 0) MCFG_ADDRESSABLE_LATCH_Q0_OUT_CB(NOOP) // 0: sharedram = sub, 1: sharedram = main (TODO!) MCFG_ADDRESSABLE_LATCH_Q1_OUT_CB(WRITELINE(*this, shougi_state, nmi_enable_w)) MCFG_ADDRESSABLE_LATCH_Q2_OUT_CB(NOOP) // ? MCFG_ADDRESSABLE_LATCH_Q3_OUT_CB(WRITELINE("alpha_8201", alpha_8201_device, mcu_start_w)) // start/halt ALPHA-8201 MCFG_ADDRESSABLE_LATCH_Q4_OUT_CB(WRITELINE("alpha_8201", alpha_8201_device, bus_dir_w)) MCFG_DEVCB_INVERT // ALPHA-8201 shared RAM bus direction: 0: mcu, 1: maincpu MCFG_ADDRESSABLE_LATCH_Q7_OUT_CB(NOOP) // nothing? connected to +5v via resistor MCFG_QUANTUM_PERFECT_CPU("maincpu") MCFG_WATCHDOG_ADD("watchdog") MCFG_WATCHDOG_VBLANK_INIT("screen", 0x10) // assuming it's the same as champbas /* video hardware */ MCFG_SCREEN_ADD("screen", RASTER) MCFG_SCREEN_REFRESH_RATE(60) MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(0)) MCFG_SCREEN_SIZE(256, 256) MCFG_SCREEN_VISIBLE_AREA(0, 255, 0, 255) MCFG_SCREEN_UPDATE_DRIVER(shougi_state, screen_update) MCFG_SCREEN_PALETTE("palette") MCFG_PALETTE_ADD("palette", 32) MCFG_PALETTE_INIT_OWNER(shougi_state, shougi) /* sound hardware */ SPEAKER(config, "mono").front_center(); MCFG_DEVICE_ADD("aysnd", AY8910, XTAL(10'000'000)/8) MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.30) MACHINE_CONFIG_END /*************************************************************************** Game driver(s) ***************************************************************************/ ROM_START( shougi ) ROM_REGION( 0x10000, "maincpu", 0 ) ROM_LOAD( "1.3a", 0x0000, 0x1000, CRC(b601303f) SHA1(ed07fb09053e15be49f4cb66e8916d1bdff48336) ) ROM_LOAD( "3.3c", 0x1000, 0x1000, CRC(2b8c7314) SHA1(5d21e425889f8dc118fcd2ba8cfc6fb8f94ddc5f) ) ROM_LOAD( "2.3b", 0x2000, 0x1000, CRC(09cb831f) SHA1(5a83a22d9245f980fe6a495433e51437d1f95644) ) ROM_LOAD( "4.3d", 0x3000, 0x1000, CRC(ad1a642a) SHA1(d12b10f94a568d1126384e14af4b53c5e5b1a0d0) ) ROM_REGION( 0x10000, "sub", ROMREGION_ERASE00 ) ROM_LOAD( "5.3e", 0x0000, 0x1000, CRC(ff1f07d0) SHA1(ae5bab09916b6d4ad8d3568ea39501850bdc6991) ) ROM_LOAD( "8.3j", 0x1000, 0x1000, CRC(6230c4c1) SHA1(0b2c81bb02c270ed3bb5b42c4bd4eb25023090cb) ) ROM_LOAD( "6.3f", 0x2000, 0x1000, CRC(d5a91b16) SHA1(1d21295667c3eb186f9e7f867763f2f2697fd350) ) ROM_LOAD( "9.3k", 0x3000, 0x1000, CRC(dbbfa66e) SHA1(fcf23fcc65e8253325937acaf7aad4253be5e6df) ) ROM_LOAD( "7.3h", 0x4000, 0x1000, CRC(7ea8ec4a) SHA1(d3b999a683f49c911871d0ae6bb2022e73e3cfb8) ) /* shougi has one socket empty */ ROM_REGION( 0x2000, "alpha_8201:mcu", 0 ) ROM_LOAD( "alpha-8201_44801a75_2f25.bin", 0x0000, 0x2000, CRC(b77931ac) SHA1(405b02585e80d95a2821455538c5c2c31ce262d1) ) ROM_REGION( 0x0020, "proms", 0 ) ROM_LOAD( "pr.2l", 0x0000, 0x0020, CRC(cd3559ff) SHA1(a1291b06a8a337943660b2ef62c94c49d58a6fb5) ) ROM_END ROM_START( shougi2 ) ROM_REGION( 0x10000, "maincpu", 0 ) ROM_LOAD( "1-2.3a", 0x0000, 0x1000, CRC(16d75306) SHA1(2d090396abd1fe2b31cb8450cc5d2fbde75e0230) ) ROM_LOAD( "3-2.3c", 0x1000, 0x1000, CRC(35b6d98b) SHA1(fc125acd4d504d9c883e685b9c6e5a509dc75c69) ) ROM_LOAD( "2-2.3b", 0x2000, 0x1000, CRC(b38affed) SHA1(44529233358923f114285533270b2a3c078b70f4) ) ROM_LOAD( "4-2.3d", 0x3000, 0x1000, CRC(1abdb6bf) SHA1(9c7630c0e4bcaa4296a442b0e9828b96d91da77f) ) ROM_REGION( 0x10000, "sub", 0 ) ROM_LOAD( "5-2.3e", 0x0000, 0x1000, CRC(0ba89dd4) SHA1(d4d3b7bccccf3b7e07e2d9d776426a22b4ff422e) ) ROM_LOAD( "8-2.3j", 0x1000, 0x1000, CRC(0ae0c8c1) SHA1(91f6f88d38c96c793137e7aaa763cab1b769e098) ) ROM_LOAD( "6-2.3f", 0x2000, 0x1000, CRC(d98abcae) SHA1(f280b627f81f2c727268b9694d833e487ff6b08d) ) ROM_LOAD( "9-2.3k", 0x3000, 0x1000, CRC(4e0e6c90) SHA1(b8462eec0a13d8bdf7d314eb285b5bd27d40631c) ) ROM_LOAD( "7-2.3h", 0x4000, 0x1000, CRC(5f37ebc6) SHA1(2e5c4c2f455979e2ad2c66c5aa9f4d92194796af) ) ROM_LOAD( "10-2.3l", 0x5000, 0x1000, CRC(a26385fd) SHA1(2adb21bb4f67a378014bc1edda48daca349d17e1) ) ROM_REGION( 0x2000, "alpha_8201:mcu", 0 ) ROM_LOAD( "alpha-8201_44801a75_2f25.bin", 0x0000, 0x2000, CRC(b77931ac) SHA1(405b02585e80d95a2821455538c5c2c31ce262d1) ) ROM_REGION( 0x0020, "proms", 0 ) ROM_LOAD( "pr.2l", 0x0000, 0x0020, CRC(cd3559ff) SHA1(a1291b06a8a337943660b2ef62c94c49d58a6fb5) ) ROM_END /* YEAR NAME PARENT MACHINE INPUT STATE INIT MONITOR COMPANY FULLNAME FLAGS */ GAME( 1982, shougi, 0, shougi, shougi, shougi_state, empty_init, ROT0, "Alpha Denshi Co. (Tehkan license)", "Shougi", MACHINE_SUPPORTS_SAVE ) GAME( 1982, shougi2, 0, shougi, shougi2, shougi_state, empty_init, ROT0, "Alpha Denshi Co. (Tehkan license)", "Shougi Part II", MACHINE_SUPPORTS_SAVE )