/*********************************************************
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 "driver.h"
#include "cpu/z80/z80.h"
#include "sound/sn76496.h"
#include "video/tms9928a.h"
#include "machine/8255ppi.h"
#include "machine/segacrpt.h"
/*************************************
*
* CPU memory handlers
*
*************************************/
static ADDRESS_MAP_START( program_map, ADDRESS_SPACE_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, ADDRESS_SPACE_IO, 8 )
ADDRESS_MAP_GLOBAL_MASK(0xff)
AM_RANGE(0x7f, 0x7f) AM_DEVWRITE("sn", sn76496_w)
AM_RANGE(0xbe, 0xbe) AM_READWRITE(TMS9928A_vram_r, TMS9928A_vram_w)
AM_RANGE(0xbf, 0xbf) AM_READWRITE(TMS9928A_register_r, TMS9928A_register_w)
AM_RANGE(0xdc, 0xdf) AM_DEVREADWRITE("ppi8255", ppi8255_r, ppi8255_w)
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 INTERRUPT_GEN( sg1000a_interrupt )
{
TMS9928A_interrupt(device->machine);
}
static void vdp_interrupt(running_machine *machine, int state)
{
cpu_set_input_line(machine->cpu[0], INPUT_LINE_IRQ0, state);
}
static const TMS9928a_interface tms9928a_interface =
{
TMS99x8A,
0x4000,
0,0,
vdp_interrupt
};
static WRITE8_DEVICE_HANDLER( sg1000a_coin_counter_w )
{
coin_counter_w(0, data & 0x01);
}
static const ppi8255_interface ppi8255_intf =
{
DEVCB_INPUT_PORT("P1"),
DEVCB_INPUT_PORT("P2"),
DEVCB_INPUT_PORT("DSW"),
DEVCB_NULL,
DEVCB_NULL,
DEVCB_HANDLER(sg1000a_coin_counter_w)
};
/*************************************
*
* Machine drivers
*
*************************************/
static MACHINE_DRIVER_START( sg1000a )
/* basic machine hardware */
MDRV_CPU_ADD("maincpu", Z80, XTAL_3_579545MHz)
MDRV_CPU_PROGRAM_MAP(program_map, 0)
MDRV_CPU_IO_MAP(io_map, 0)
MDRV_CPU_VBLANK_INT("screen", sg1000a_interrupt)
MDRV_PPI8255_ADD( "ppi8255", ppi8255_intf )
/* video hardware */
MDRV_IMPORT_FROM(tms9928a)
MDRV_SCREEN_MODIFY("screen")
MDRV_SCREEN_REFRESH_RATE((float)XTAL_10_738635MHz/2/342/262)
MDRV_SCREEN_FORMAT(BITMAP_FORMAT_INDEXED16)
MDRV_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500) /* not accurate */)
/* sound hardware */
MDRV_SPEAKER_STANDARD_MONO("mono")
MDRV_SOUND_ADD("sn", SN76489, XTAL_3_579545MHz)
MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.0)
MACHINE_DRIVER_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 )
{
TMS9928A_configure(&tms9928a_interface);
}
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 )