/***************************************************************************
Dottori Kun (Head On's mini game)
(c)1990 SEGA
Driver by Takahiro Nogi (nogi@kt.rim.or.jp) 1999/12/15 -
CPU : Z-80 (4MHz)
SOUND : (none)
14479.MPR ; PRG (FIRST VER)
14479A.MPR ; PRG (NEW VER)
* This game is only for the test of cabinet
* BackRaster = WHITE on the FIRST version.
* BackRaster = BLACK on the NEW version.
* On the NEW version, push COIN-SW as TEST MODE.
* 0000-3FFF:ROM 8000-85FF:VRAM(128x96) 8600-87FF:WORK-RAM
***************************************************************************/
#include "driver.h"
#include "cpu/z80/z80.h"
VIDEO_UPDATE( dotrikun );
WRITE8_HANDLER( dotrikun_color_w );
static ADDRESS_MAP_START( readmem, ADDRESS_SPACE_PROGRAM, 8 )
AM_RANGE(0x0000, 0x3fff) AM_READ(SMH_ROM)
AM_RANGE(0x8000, 0x87ff) AM_READ(SMH_RAM)
ADDRESS_MAP_END
static ADDRESS_MAP_START( writemem, ADDRESS_SPACE_PROGRAM, 8 )
AM_RANGE(0x0000, 0x3fff) AM_WRITE(SMH_ROM)
AM_RANGE(0x8000, 0x87ff) AM_WRITE(SMH_RAM) AM_BASE(&videoram) AM_SIZE(&videoram_size)
ADDRESS_MAP_END
static ADDRESS_MAP_START( io_map, ADDRESS_SPACE_IO, 8 )
ADDRESS_MAP_GLOBAL_MASK(0xff)
AM_RANGE(0x00, 0x00) AM_READ_PORT("INPUTS") AM_WRITE(dotrikun_color_w)
ADDRESS_MAP_END
static INPUT_PORTS_START( dotrikun )
PORT_START("INPUTS")
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_COIN1 )
INPUT_PORTS_END
static MACHINE_DRIVER_START( dotrikun )
/* basic machine hardware */
MDRV_CPU_ADD("main", Z80, 4000000) /* 4 MHz */
MDRV_CPU_PROGRAM_MAP(readmem,writemem)
MDRV_CPU_IO_MAP(io_map,0)
MDRV_CPU_VBLANK_INT("main", irq0_line_hold)
/* video hardware */
MDRV_VIDEO_UPDATE(dotrikun)
MDRV_SCREEN_ADD("main", RASTER)
MDRV_SCREEN_REFRESH_RATE(60)
MDRV_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(0))
MDRV_SCREEN_FORMAT(BITMAP_FORMAT_RGB32)
MDRV_SCREEN_SIZE(256, 256)
MDRV_SCREEN_VISIBLE_AREA(0, 256-1, 0, 192-1)
/* sound hardware */
MACHINE_DRIVER_END
/***************************************************************************
Game driver(s)
***************************************************************************/
ROM_START( dotrikun )
ROM_REGION( 0x10000, "main", 0 )
ROM_LOAD( "14479a.mpr", 0x0000, 0x4000, CRC(b77a50db) SHA1(2a5d812d39f0f58f5c3e1b46f80aca75aa225115) )
ROM_END
ROM_START( dotriku2 )
ROM_REGION( 0x10000, "main", 0 )
ROM_LOAD( "14479.mpr", 0x0000, 0x4000, CRC(a6aa7fa5) SHA1(4dbea33fb3541fdacf2195355751078a33bb30d5) )
ROM_END
GAME( 1990, dotrikun, 0, dotrikun, dotrikun, 0, ROT0, "Sega", "Dottori Kun (new version)", GAME_NO_SOUND )
GAME( 1990, dotriku2, dotrikun, dotrikun, dotrikun, 0, ROT0, "Sega", "Dottori Kun (old version)", GAME_NO_SOUND )