/********************************************************* Sega hardware based on their SG-1000 console Driver by Tomasz Slanina analog [at] op.pl Supported games : - Champion Boxing - Champion Pro Wrestling - Doki Doki Penguin Land Memory map : 0x0000 - 0xBFFF ROM 0xC000 - 0xC3FF RAM CPU: Z80 A 3.57954 MHz (Champion Boxing) 315-5114 (encrypted Z80) 3.57954 MHz (Champion Pro Wrestling) 8255 for I/O port work 3 Eproms for program and graphics TMM2064 for program RAM TMS9928 for graphics ( 3.57954 MHz? ) 8 8118 dynamic RAMs for the graphics 74LS139 and 74LS32 for logic gating ULN2003 for coin counter output 76489 for music 7808 voltage regulator to a transistorized circuit for TV output secondary crystal, numbers unknown for the TMS9928 -- Doki Doki Penguin Land Sega, 1985 PCB Layout ---------- 834-5492 |---------------------------------------------| | CN3 CN2 CN4 | | DSW(4) | |3.579545MHz TD62003 | | 74HC04 8255 SN76489 | | CN5 | | VR5 | | 6116 Z80A | | LA4460 | | 74LS32 74LS139 | |EPR-7358.IC3 | | TMS9928 CN1 | | | | 10.7386MHz | | MB8118 MB8118 | |EPR-7357.IC2 | | MB8118 MB8118 | | 7808 | | MB8118 MB8118 VR4 | |EPR7356.IC1 | | 7805 MB8118 MB8118 VR3 VR2 VR1| |---------------------------------------------| Notes: All IC's shown CN1/2/3/4/5 - Connectors for power/video/sound/controls VR1/2/3 - Potentiometers for RGB adjustment VR4 - Potentiometer for Horizontal Sync adjustment VR5 - Potentiometer for volume TMS9928 clock - 2.68465 [10.7386/4] Z80 clock - 3.579545MHz VSync - 60Hz HSync - 15.58kHz Doki Doki Penguinland Dip Switches (DIP4) and Pinout Option 1 2 3 4 ------------------------------------------ 1coin 1credit off off 1c 2cr on off 1c 3cr off on 2c 1cr on on attract sound yes on no off not used off Hold Service + 1P start = test mode CN1 CN2 CN3 1 Red 1 Player 1 UP 1 Player 2 UP 2 Green 2 Player 1 DOWN 2 Player 2 DOWN 3 Blue 3 Player 1 LEFT 3 Player 2 LEFT 4 Gnd 4 Player 1 RIGHT 4 Player 2 RIGHT 5 Sync 5 Player 1 Button B 5 Player 2 Button B 6 Key 6 Player 1 Button A 6 Player 2 Button A 7 7 Key 7 Service 8 Speaker + 8 Player 1 START 8 Coin 9 Speaker - 9 Player 2 START 9 Key 10 10 Gnd 10 Gnd CN4 CN5 1 1 +5V 2 2 +5V 3 3 +5V 4 4 Gnd 5 Key 5 Gnd 6 Coin Meter 6 Gnd 7 7 +12V 8 8 Key 9 +5V 9 +12V 10 Gnd 10 Gnd ******************************************************/ #include "emu.h" #include "cpu/z80/z80.h" #include "sound/sn76496.h" #include "video/tms9928a.h" #include "machine/i8255.h" #include "machine/segacrpt.h" class sg1000a_state : public driver_device { public: sg1000a_state(const machine_config &mconfig, device_type type, const char *tag) : driver_device(mconfig, type, tag) { } }; /************************************* * * CPU memory handlers * *************************************/ static ADDRESS_MAP_START( program_map, AS_PROGRAM, 8 ) AM_RANGE(0x0000, 0x7fff) AM_ROM // separate region needed for decrypting AM_RANGE(0x8000, 0xbfff) AM_ROM AM_RANGE(0xc000, 0xc3ff) AM_RAM ADDRESS_MAP_END static ADDRESS_MAP_START( io_map, AS_IO, 8 ) ADDRESS_MAP_GLOBAL_MASK(0xff) AM_RANGE(0x7f, 0x7f) AM_DEVWRITE("snsnd", sn76496_w) AM_RANGE(0xbe, 0xbe) AM_DEVREADWRITE_MODERN("tms9928a", tms9928a_device, vram_read, vram_write) AM_RANGE(0xbf, 0xbf) AM_DEVREADWRITE_MODERN("tms9928a", tms9928a_device, register_read, register_write) AM_RANGE(0xdc, 0xdf) AM_DEVREADWRITE_MODERN("ppi8255", i8255_device, read, write) ADDRESS_MAP_END /************************************* * * Generic Port definitions * *************************************/ static INPUT_PORTS_START( sg1000 ) PORT_START("P1") PORT_BIT ( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_BIT ( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_BIT ( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_BIT ( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_BIT ( 0x10, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_BIT ( 0x20, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_BIT ( 0x40, IP_ACTIVE_LOW, IPT_START1 ) PORT_BIT ( 0x80, IP_ACTIVE_LOW, IPT_START2 ) PORT_START("P2") PORT_BIT ( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_PLAYER(2) PORT_BIT ( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_PLAYER(2) PORT_BIT ( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_PLAYER(2) PORT_BIT ( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_PLAYER(2) PORT_BIT ( 0x10, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(2) PORT_BIT ( 0x20, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_PLAYER(2) PORT_BIT ( 0x40, IP_ACTIVE_LOW, IPT_SERVICE1 ) PORT_BIT ( 0x80, IP_ACTIVE_LOW, IPT_COIN1 ) PORT_START("DSW") PORT_BIT ( 0x0f, IP_ACTIVE_LOW, IPT_UNUSED ) PORT_DIPNAME( 0x30, 0x30, DEF_STR( Coinage ) ) PORT_DIPLOCATION("DSW:1,2") PORT_DIPSETTING( 0x00, DEF_STR( 2C_1C ) ) PORT_DIPSETTING( 0x30, DEF_STR( 1C_1C ) ) PORT_DIPSETTING( 0x20, DEF_STR( 1C_2C ) ) PORT_DIPSETTING( 0x10, DEF_STR( 1C_3C ) ) PORT_DIPNAME( 0x40, 0x00, DEF_STR( Demo_Sounds ) ) PORT_DIPLOCATION("DSW:3") PORT_DIPSETTING( 0x40, DEF_STR( Off ) ) PORT_DIPSETTING( 0x00, DEF_STR( On ) ) PORT_DIPNAME( 0x80, 0x80, DEF_STR( Language ) ) PORT_DIPLOCATION("DSW:4") PORT_DIPSETTING( 0x00, DEF_STR( Japanese ) ) PORT_DIPSETTING( 0x80, DEF_STR( English ) ) INPUT_PORTS_END /************************************* * * Port definitions * *************************************/ static INPUT_PORTS_START( chwrestl ) PORT_INCLUDE( sg1000 ) PORT_MODIFY("P1") PORT_BIT ( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_PLAYER(2) PORT_BIT ( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_PLAYER(2) PORT_BIT ( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_PLAYER(2) PORT_BIT ( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_PLAYER(2) PORT_BIT ( 0x10, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(2) PORT_BIT ( 0x20, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_PLAYER(2) PORT_MODIFY("P2") PORT_BIT ( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_BIT ( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_BIT ( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_BIT ( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_BIT ( 0x10, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_BIT ( 0x20, IP_ACTIVE_LOW, IPT_BUTTON2 ) INPUT_PORTS_END static INPUT_PORTS_START( chboxing ) PORT_INCLUDE( sg1000 ) PORT_MODIFY("DSW") PORT_DIPNAME( 0x80, 0x00, DEF_STR( Language ) ) PORT_DIPLOCATION("DSW:4") PORT_DIPSETTING( 0x00, DEF_STR( English ) ) PORT_DIPSETTING( 0x80, DEF_STR( Japanese ) ) INPUT_PORTS_END static INPUT_PORTS_START( dokidoki ) PORT_INCLUDE( sg1000 ) PORT_MODIFY("DSW") PORT_DIPNAME( 0x80, 0x80, DEF_STR( Unused ) ) PORT_DIPLOCATION("DSW:4") PORT_DIPSETTING( 0x80, DEF_STR( Off ) ) PORT_DIPSETTING( 0x00, DEF_STR( On ) ) INPUT_PORTS_END static WRITE_LINE_DEVICE_HANDLER(vdp_interrupt) { cputag_set_input_line(device->machine(), "maincpu", INPUT_LINE_IRQ0, state); } static TMS9928A_INTERFACE(sg1000a_tms9928a_interface) { "screen", 0x4000, DEVCB_LINE(vdp_interrupt) }; static WRITE8_DEVICE_HANDLER( sg1000a_coin_counter_w ) { coin_counter_w(device->machine(), 0, data & 0x01); } static I8255_INTERFACE( ppi8255_intf ) { DEVCB_INPUT_PORT("P1"), DEVCB_NULL, DEVCB_INPUT_PORT("P2"), DEVCB_NULL, DEVCB_INPUT_PORT("DSW"), DEVCB_HANDLER(sg1000a_coin_counter_w) }; static SCREEN_UPDATE( sg1000a ) { tms9928a_device *tms9928a = screen->machine().device( "tms9928a" ); tms9928a->update( bitmap, cliprect ); return 0; } /************************************* * * Machine drivers * *************************************/ static MACHINE_CONFIG_START( sg1000a, sg1000a_state ) /* basic machine hardware */ MCFG_CPU_ADD("maincpu", Z80, XTAL_3_579545MHz) MCFG_CPU_PROGRAM_MAP(program_map) MCFG_CPU_IO_MAP(io_map) MCFG_I8255_ADD( "ppi8255", ppi8255_intf ) /* video hardware */ MCFG_TMS9928A_ADD( "tms9928a", TMS9928A, sg1000a_tms9928a_interface ) MCFG_TMS9928A_SCREEN_ADD_NTSC( "screen" ) MCFG_SCREEN_UPDATE( sg1000a ) /* sound hardware */ MCFG_SPEAKER_STANDARD_MONO("mono") MCFG_SOUND_ADD("snsnd", SN76489, XTAL_3_579545MHz) MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.0) MACHINE_CONFIG_END /************************************* * * ROM definitions * *************************************/ ROM_START( chwrestl ) ROM_REGION( 2*0x10000, "maincpu", 0 ) ROM_LOAD( "5732", 0x0000, 0x4000, CRC(a4e44370) SHA1(a9dbf60e77327dd2bec6816f3142b42ad9ca4d09) ) /* encrypted */ ROM_LOAD( "5733", 0x4000, 0x4000, CRC(4f493538) SHA1(467862fe9337497e3cdebb29bf28f6cfe3066ccd) ) /* encrypted */ ROM_LOAD( "5734", 0x8000, 0x4000, CRC(d99b6301) SHA1(5e762ed45cde08d5223828c6b1d3569b2240462c) ) ROM_END ROM_START( chboxing ) ROM_REGION( 0x10000, "maincpu", 0 ) ROM_LOAD( "cb6105.bin", 0x0000, 0x4000, CRC(43516f2e) SHA1(e3a9bbe914b5bfdcd1f85ca5fae922c4cae3c106) ) ROM_LOAD( "cb6106.bin", 0x4000, 0x4000, CRC(65e2c750) SHA1(843466b8d6baebb4d5e434fbdafe3ae8fed03475) ) ROM_LOAD( "cb6107.bin", 0x8000, 0x2000, CRC(c2f8e522) SHA1(932276e7ad33aa9efbb4cd10bc3071d88cb082cb) ) ROM_END ROM_START( dokidoki ) ROM_REGION( 0x10000, "maincpu", 0 ) ROM_LOAD( "epr-7356.ic1", 0x0000, 0x4000, CRC(95658c31) SHA1(f7b5638ab1b8b244b189317d954eb37b51923791) ) ROM_LOAD( "epr-7357.ic2", 0x4000, 0x4000, CRC(e8dbad85) SHA1(9f13dafacee370d6e4720d8e27cf889053e79eb3) ) ROM_LOAD( "epr-7358.ic3", 0x8000, 0x4000, CRC(c6f26b0b) SHA1(3753e05b6e77159832dbe88562ba7a818120d1a3) ) ROM_END /************************************* * * Driver initialization * *************************************/ static DRIVER_INIT( sg1000a ) { } static DRIVER_INIT(chwrestl) { DRIVER_INIT_CALL(sg1000a); regulus_decode(machine, "maincpu"); } /************************************* * * Game drivers * *************************************/ GAME( 1984, chboxing, 0, sg1000a, chboxing, sg1000a, ROT0, "Sega", "Champion Boxing", 0 ) GAME( 1985, chwrestl, 0, sg1000a, chwrestl, chwrestl, ROT0, "Sega", "Champion Pro Wrestling", 0 ) GAME( 1985, dokidoki, 0, sg1000a, dokidoki, sg1000a, ROT0, "Sega", "Doki Doki Penguin Land", 0 )