// license:BSD-3-Clause // copyright-holders:Takahiro Nogi /*************************************************************************** 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 "emu.h" #include "cpu/z80/z80.h" class dotrikun_state : public driver_device { public: dotrikun_state(const machine_config &mconfig, device_type type, const char *tag) : driver_device(mconfig, type, tag), m_dotrikun_bitmap(*this, "dotrikun_bitmap"), m_maincpu(*this, "maincpu"), m_screen(*this, "screen") { } /* memory pointers */ required_shared_ptr m_dotrikun_bitmap; /* video-related */ UINT8 m_color; DECLARE_WRITE8_MEMBER(dotrikun_color_w); virtual void machine_start() override; virtual void machine_reset() override; UINT32 screen_update_dotrikun(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect); required_device m_maincpu; required_device m_screen; }; /************************************* * * Video emulation * *************************************/ WRITE8_MEMBER(dotrikun_state::dotrikun_color_w) { /* x--- ---- screen color swap? ---- -x-- B ---- --x- G ---- ---x R */ m_color = data; m_screen->update_partial(m_screen->vpos()); } UINT32 dotrikun_state::screen_update_dotrikun(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect) { int x,y,i; pen_t back_pen = rgb_t(pal1bit(m_color >> 3), pal1bit(m_color >> 4), pal1bit(m_color >> 5)); pen_t fore_pen = rgb_t(pal1bit(m_color >> 0), pal1bit(m_color >> 1), pal1bit(m_color >> 2)); for(y = (cliprect.min_y & ~1); y < cliprect.max_y; y+=2) { for (x = 0; x < 256; x+=16) { UINT8 data = m_dotrikun_bitmap[((x/16)+((y/2)*16))]; for (i = 0; i < 8; i++) { pen_t pen = ((data >> (7 - i)) & 1) ? fore_pen : back_pen; /* I think the video hardware doubles pixels, screen would be too small otherwise */ bitmap.pix32(y + 0, (x + 0) + i*2) = pen; bitmap.pix32(y + 0, (x + 1) + i*2) = pen; bitmap.pix32(y + 1, (x + 0) + i*2) = pen; bitmap.pix32(y + 1, (x + 1) + i*2) = pen; } } } return 0; } /************************************* * * Address maps * *************************************/ static ADDRESS_MAP_START( dotrikun_map, AS_PROGRAM, 8, dotrikun_state ) AM_RANGE(0x0000, 0x3fff) AM_ROM AM_RANGE(0x8000, 0x85ff) AM_RAM AM_SHARE("dotrikun_bitmap") AM_RANGE(0x8600, 0x87ff) AM_RAM ADDRESS_MAP_END static ADDRESS_MAP_START( io_map, AS_IO, 8, dotrikun_state ) ADDRESS_MAP_GLOBAL_MASK(0xff) AM_RANGE(0x00, 0x00) AM_READ_PORT("INPUTS") AM_WRITE(dotrikun_color_w) ADDRESS_MAP_END /************************************* * * Input ports * *************************************/ 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 /************************************* * * Machine driver * *************************************/ void dotrikun_state::machine_start() { save_item(NAME(m_color)); } void dotrikun_state::machine_reset() { m_color = 0; } #define MASTER_CLOCK XTAL_4MHz static MACHINE_CONFIG_START( dotrikun, dotrikun_state ) /* basic machine hardware */ MCFG_CPU_ADD("maincpu", Z80, MASTER_CLOCK) /* 4 MHz */ MCFG_CPU_PROGRAM_MAP(dotrikun_map) MCFG_CPU_IO_MAP(io_map) MCFG_CPU_VBLANK_INT_DRIVER("screen", dotrikun_state, irq0_line_hold) /* video hardware */ MCFG_SCREEN_ADD("screen", RASTER) MCFG_SCREEN_RAW_PARAMS(MASTER_CLOCK, 256+32, 0, 256, 192+32, 0, 192) // FIXME: h/v params of this are completely inaccurate, shows it especially under the "CRT test" MCFG_SCREEN_UPDATE_DRIVER(dotrikun_state, screen_update_dotrikun) /* sound hardware */ MACHINE_CONFIG_END /*************************************************************************** Game driver(s) ***************************************************************************/ ROM_START( dotrikun ) ROM_REGION( 0x10000, "maincpu", 0 ) ROM_LOAD( "14479a.mpr", 0x0000, 0x4000, CRC(b77a50db) SHA1(2a5d812d39f0f58f5c3e1b46f80aca75aa225115) ) ROM_END ROM_START( dotrikun2 ) ROM_REGION( 0x10000, "maincpu", 0 ) ROM_LOAD( "14479.mpr", 0x0000, 0x4000, CRC(a6aa7fa5) SHA1(4dbea33fb3541fdacf2195355751078a33bb30d5) ) ROM_END GAME( 1990, dotrikun, 0, dotrikun, dotrikun, driver_device, 0, ROT0, "Sega", "Dottori Kun (new version)", MACHINE_SUPPORTS_SAVE | MACHINE_NO_SOUND_HW | MACHINE_IMPERFECT_GRAPHICS ) GAME( 1990, dotrikun2,dotrikun, dotrikun, dotrikun, driver_device, 0, ROT0, "Sega", "Dottori Kun (old version)", MACHINE_SUPPORTS_SAVE | MACHINE_NO_SOUND_HW | MACHINE_IMPERFECT_GRAPHICS )