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Diffstat (limited to 'src/mame/drivers/scyclone.cpp')
-rw-r--r-- | src/mame/drivers/scyclone.cpp | 697 |
1 files changed, 0 insertions, 697 deletions
diff --git a/src/mame/drivers/scyclone.cpp b/src/mame/drivers/scyclone.cpp deleted file mode 100644 index 0879515e729..00000000000 --- a/src/mame/drivers/scyclone.cpp +++ /dev/null @@ -1,697 +0,0 @@ -// license:BSD-3-Clause -// copyright-holders:David Haywood -/* - Space Cyclone - - 3 board stack? - the PCB pictures make it very difficult to figure much out - - seems a bit like 8080bw hardware but with extra sprites and a z80 cpu? - maybe an evolution of Polaris etc.? - - - there's an MB14241 near the Sprite ROM - - 1x 8DSW, 1x 4DSW - - there are 11 HM4716AP RAM chips near the main CPU (1 is unmarked, could be different?) - HM4716AP is 16384 * 1-bit (2048 [0x800] bytes) - - 1bpp of video needs 0x3800 bytes - - 1bpp video would need 4 of these (with 0x400 bytes leftover) - 2bpp video would need 7 of these - 3bpp video would need 11 of these (with 0x400 bytes leftover) - mainram is 0x400 bytes (so the leftover in above calc?) - - - Notes: - - (to check on hardware) - the stars scroll backwards when in cocktail mode, the direction changes when the screen - is flipped but is still reversed compared to upright. We would have no way of knowing - if we're in cocktail mode without checking the dipswitch, so I think this is a game bug - furthermore the game seems to set what I believe to be the 'flipscreen' bit for player 2 - even when in 'upright' mode, so it's possible this romset was only really made for a - cocktail table? - - it looks like the stars should roughly align with the constellations during the - intermissions -*/ - -#include "emu.h" - -#include "cpu/z80/z80.h" -#include "machine/gen_latch.h" -#include "machine/mb14241.h" -#include "sound/dac.h" -#include "sound/sn76477.h" -#include "sound/volt_reg.h" - -#include "emupal.h" -#include "screen.h" -#include "speaker.h" - - -class scyclone_state : public driver_device -{ -public: - scyclone_state(const machine_config &mconfig, device_type type, const char *tag) : - driver_device(mconfig, type, tag), - m_maincpu(*this, "maincpu"), - m_gfxdecode(*this, "gfxdecode"), - m_stars(*this, "stars"), - m_gfx1pal(*this, "gfx1pal"), - m_palette(*this, "palette"), - m_soundlatch(*this, "soundlatch") - { } - - void scyclone(machine_config &config); - - DECLARE_READ_LINE_MEMBER(collision_r); - -private: - DECLARE_WRITE8_MEMBER(vidctrl_w); - - DECLARE_WRITE8_MEMBER(sprite_xpos_w); - DECLARE_WRITE8_MEMBER(sprite_ypos_w); - DECLARE_WRITE8_MEMBER(sprite_colour_w); - DECLARE_WRITE8_MEMBER(sprite_tile_w); - DECLARE_WRITE8_MEMBER(starscroll_w); - DECLARE_WRITE8_MEMBER(port0e_w); - DECLARE_WRITE8_MEMBER(port06_w); - DECLARE_WRITE8_MEMBER(videomask1_w); - DECLARE_WRITE8_MEMBER(videomask2_w); - DECLARE_WRITE8_MEMBER(vram_w); - DECLARE_READ8_MEMBER(vram_r); - DECLARE_WRITE8_MEMBER(snd_3001_w); -// DECLARE_WRITE8_MEMBER(snd_3003_w); -// DECLARE_WRITE8_MEMBER(snd_3004_w); - DECLARE_WRITE8_MEMBER(snd_3005_w); - - uint32_t screen_update_scyclone(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect); - - INTERRUPT_GEN_MEMBER(irq); - - - void scyclone_iomap(address_map &map); - void scyclone_map(address_map &map); - void scyclone_sub_iomap(address_map &map); - void scyclone_sub_map(address_map &map); - - virtual void machine_start() override; - virtual void machine_reset() override; - virtual void video_start() override; - - required_device<cpu_device> m_maincpu; - required_device<gfxdecode_device> m_gfxdecode; - required_region_ptr<uint8_t> m_stars; - required_region_ptr<uint8_t> m_gfx1pal; - required_device<palette_device> m_palette; - required_device<generic_latch_8_device> m_soundlatch; - - /* memory pointers */ - std::unique_ptr<uint8_t[]> m_vram; - - uint8_t m_videowritemask; - uint8_t m_videowritemask2; - - uint8_t m_sprite_xpos; - uint8_t m_sprite_ypos; - uint8_t m_sprite_colour; - uint8_t m_sprite_tile; - uint8_t m_starscroll; - uint8_t m_p0e; - uint8_t m_vidctrl; - - uint8_t m_hascollided; - - /* video-related */ - const uint8_t get_sprite_pixel(int x, int y); - const uint8_t get_bitmap_pixel(int x, int y); - uint32_t draw_starfield(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect); - uint32_t draw_bitmap_and_sprite(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect); -}; - - - -/*************************************************************************** - - Start the video hardware emulation. - -***************************************************************************/ - -void scyclone_state::video_start() -{ - m_vram = std::make_unique<uint8_t []>(0x3800*3); - save_pointer(&m_vram[0], "m_vram", 0x3800*3); - - m_videowritemask = 0x00; - m_videowritemask2 = 0x00; - - for (int i = 0; i < 8; i++) - m_palette->set_pen_color(i, rgb_t(pal1bit(i >> 0), pal1bit(i >> 1), pal1bit(i >> 2))); - - for (int i = 0; i < 16; i++) - { - uint8_t col = m_gfx1pal[i]; - m_palette->set_pen_color(i+8, rgb_t(pal1bit(col >> 2), pal1bit(col >> 1), pal1bit(col >> 0))); - } -} - -const uint8_t scyclone_state::get_sprite_pixel(int x, int y) -{ - int minx = 0xe0-m_sprite_xpos; - int miny = 0xe0-m_sprite_ypos; - int col = m_sprite_colour & 3; - int code = m_sprite_tile & 7; - - int maxx = minx + 32; - int maxy = miny + 32; - - /* if we're not even inside the sprite, return nothing */ - if (x < minx || x >= maxx) - return 0; - - if (y < miny || y >= maxy) - return 0; - - int sprx = x-minx; - int spry = y-miny; - - const uint8_t* srcdata = m_gfxdecode->gfx(0)->get_data(code); - - uint8_t pix = srcdata[spry*32 + sprx] + col*4; - - return pix; -} - - -const uint8_t scyclone_state::get_bitmap_pixel(int x, int y) -{ - const uint8_t video_data0 = m_vram[(y*32+(x/8))]; - const uint8_t video_data1 = m_vram[(y*32+(x/8))+0x3800]; - const uint8_t video_data2 = m_vram[(y*32+(x/8))+0x3800+0x3800]; - - int const bit(x & 0x07); - - const uint8_t plane0(BIT(video_data0, bit)); - const uint8_t plane1(BIT(video_data1, bit)); - const uint8_t plane2(BIT(video_data2, bit)); - - const uint8_t pal = plane0 | (plane1<<1) | (plane2<<2); - - return pal; -} - -uint32_t scyclone_state::draw_starfield(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect) -{ - const pen_t *paldata = m_palette->pens(); - - // this is not correct, but the first 0x80 bytes of the PROM are blank suggesting that this - // part is for the non-visible 32 rows at least, so it should be something like this - // blinking and colours are not understood at all - - - - for (int strip=0;strip<16;strip++) - { - for (int x=0;x<256;x++) - { - const uint8_t star = m_stars[((x+m_starscroll) & 0x3f)+(strip*0x40)]; - - for (int y=0;y<16;y++) - { - const int ypos = (y+16*strip)-32; - - if (ypos>=0 && ypos<256) - { - int noclipped = 0; - - if (m_vidctrl & 0x08) - noclipped = x < 64*3; - else - noclipped = x >= 64; - - - if (y == star && star != 0 && noclipped) - bitmap.pix32(ypos, x) = paldata[7]; - else - bitmap.pix32(ypos, x) = paldata[0]; - } - } - } - } - - return 0; -} - -uint32_t scyclone_state::draw_bitmap_and_sprite(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect) -{ - const pen_t *paldata = m_palette->pens(); - m_hascollided = 0; - - for (int y=0;y<256-32;y++) - { - for (int x=0;x<256/8;x++) - { - for (int i=0;i<8;i++) - { - int realx = 0; - int realy = 0; - - if (m_vidctrl & 0x08) - { - realx = 255 - ((x*8)+i); - realy = 255-32-y; - } - else - { - realx = (x*8)+i; - realy = y; - } - - - uint8_t pal = get_bitmap_pixel(realx, realy); - - if (pal) bitmap.pix32(y, (x*8)+i) = paldata[pal]; - - uint8_t pal2 = get_sprite_pixel(realx, realy); - - if (pal2 & 0x3) - { - bitmap.pix32(y, (x*8)+i) = paldata[8+pal2]; - if (pal == 0x7) m_hascollided = 1; - } - } - } - } - - return 0; -} - - -uint32_t scyclone_state::screen_update_scyclone(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect) -{ - draw_starfield(screen,bitmap,cliprect); - draw_bitmap_and_sprite(screen,bitmap,cliprect); - - //popmessage("%02x %02x %02x %02x %02x %02x", m_sprite_xpos, m_sprite_ypos, m_sprite_colour, m_sprite_tile, m_starscroll, m_p0e); - - return 0; -} - - - -void scyclone_state::scyclone_map(address_map &map) -{ - map(0x0000, 0x2fff).rom(); - map(0x4000, 0x43ff).ram(); - map(0x4400, 0x5fff).rw(FUNC(scyclone_state::vram_r), FUNC(scyclone_state::vram_w)); - map(0x6000, 0x60ff).noprw(); // this just seems to be overflow from the VRAM writes, probably goes nowhere -} - - -void scyclone_state::scyclone_iomap(address_map &map) -{ - map.global_mask(0xff); - map(0x00, 0x00).r("mb14241", FUNC(mb14241_device::shift_result_r)).w("mb14241", FUNC(mb14241_device::shift_count_w)); - map(0x01, 0x01).portr("IN0").w("mb14241", FUNC(mb14241_device::shift_data_w)); - map(0x02, 0x02).portr("IN1"); - map(0x03, 0x03).portr("DSW0").w(FUNC(scyclone_state::vidctrl_w)); - map(0x04, 0x04).w(FUNC(scyclone_state::sprite_xpos_w)); - map(0x05, 0x05).w(FUNC(scyclone_state::sprite_ypos_w)); - map(0x06, 0x06).w(FUNC(scyclone_state::port06_w)); // possible watchdog, unlikely to be twinkle related. - map(0x08, 0x08).w(FUNC(scyclone_state::sprite_colour_w)); - map(0x09, 0x09).w(FUNC(scyclone_state::sprite_tile_w)); - map(0x0a, 0x0a).w(FUNC(scyclone_state::starscroll_w)); - map(0x0e, 0x0e).w(FUNC(scyclone_state::port0e_w)); - map(0x0f, 0x0f).w(m_soundlatch, FUNC(generic_latch_8_device::write)); - map(0x40, 0x40).w(FUNC(scyclone_state::videomask1_w)); - map(0x80, 0x80).w(FUNC(scyclone_state::videomask2_w)); -} - - -void scyclone_state::scyclone_sub_map(address_map &map) -{ - map(0x0000, 0x1fff).rom(); - map(0x2000, 0x23ff).ram(); - - map(0x3000, 0x3000).r(m_soundlatch, FUNC(generic_latch_8_device::read)).w("dac", FUNC(dac_byte_interface::data_w)); // music - map(0x3001, 0x3001).w(FUNC(scyclone_state::snd_3001_w)); // written at the same time, with the same data as 0x3005 - map(0x3002, 0x3002).w("dac2", FUNC(dac_byte_interface::data_w)); // speech -// map(0x3003, 0x3003).w(FUNC(scyclone_state::snd_3003_w)); // writes 02 or 00 -// map(0x3004, 0x3004).w(FUNC(scyclone_state::snd_3004_w)); // always writes 00? - map(0x3005, 0x3005).w(FUNC(scyclone_state::snd_3005_w)); // written at the same time, with the same data as 0x3001 -} - -void scyclone_state::scyclone_sub_iomap(address_map &map) -{ - map.global_mask(0xff); -} - - -// appears to be when a white bitmap pixel (col 0x7) collides with a large sprite? -// if you simply set it to 1 and shoot in the left corner, the game gets stuck -// but if you have it set to 0 there are no collisions with large objects -READ_LINE_MEMBER(scyclone_state::collision_r) -{ - return m_hascollided; -} - - -static INPUT_PORTS_START( scyclone ) - PORT_START("IN0") - PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_UNKNOWN ) - PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_TILT ) - PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_START2 ) - PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_START1 ) - PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_COIN1 ) - PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_BUTTON1 ) - PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_JOYSTICK_RIGHT ) PORT_2WAY - PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_JOYSTICK_LEFT ) PORT_2WAY - - PORT_START("IN1") - PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_CUSTOM ) PORT_READ_LINE_MEMBER(scyclone_state, collision_r) // hw collision? - // maybe these 4 are the 4xdsw bank? - PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_UNKNOWN ) - PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_UNKNOWN ) - PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_UNKNOWN ) - PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_UNKNOWN ) - PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_BUTTON1 ) PORT_COCKTAIL PORT_CONDITION("DSW0",0x04,EQUALS,0x00) - PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_JOYSTICK_RIGHT ) PORT_2WAY PORT_COCKTAIL PORT_CONDITION("DSW0",0x04,EQUALS,0x00) - PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_JOYSTICK_LEFT ) PORT_2WAY PORT_COCKTAIL PORT_CONDITION("DSW0",0x04,EQUALS,0x00) - - PORT_START("DSW0") - PORT_DIPNAME( 0x03, 0x01, DEF_STR( Lives ) ) PORT_DIPLOCATION("DSW0:1,2") - PORT_DIPSETTING( 0x00, "2" ) - PORT_DIPSETTING( 0x01, "3" ) - PORT_DIPSETTING( 0x02, "4" ) - PORT_DIPSETTING( 0x03, "5" ) - PORT_DIPNAME( 0x04, 0x04, DEF_STR( Cabinet ) ) PORT_DIPLOCATION("DSW0:3") - PORT_DIPSETTING( 0x00, DEF_STR( Cocktail ) ) - PORT_DIPSETTING( 0x04, DEF_STR( Upright ) ) - PORT_DIPNAME( 0x08, 0x00, "Disable Collision (Buggy!)" ) PORT_DIPLOCATION("DSW0:4") // this causes the game to malfunction, likely leftover debug feature - PORT_DIPSETTING( 0x00, DEF_STR( Off ) ) - PORT_DIPSETTING( 0x08, DEF_STR( On ) ) - PORT_DIPNAME( 0x10, 0x00, "Show Copyright Date" ) PORT_DIPLOCATION("DSW0:5") - PORT_DIPSETTING( 0x10, DEF_STR( Off ) ) - PORT_DIPSETTING( 0x00, DEF_STR( On ) ) - PORT_DIPUNKNOWN_DIPLOC( 0x20, 0x20, "DSW0:6" ) - PORT_DIPUNKNOWN_DIPLOC( 0x40, 0x40, "DSW0:7" ) - PORT_DIPUNKNOWN_DIPLOC( 0x80, 0x80, "DSW0:8" ) -INPUT_PORTS_END - -READ8_MEMBER(scyclone_state::vram_r) -{ - uint8_t ret = 0; - // not sure, collisions depend on readback - ret |= m_vram[offset]; - ret |= m_vram[offset+0x3800]; - ret |= m_vram[offset+0x3800+0x3800]; - - return ret; -} - - -WRITE8_MEMBER(scyclone_state::vram_w) -{ -#if 0 - // halves are NOT equal in between level cutscenes - // this is used when drawing the pointing stick, need closeup reference - - // 0x40 and 0x80 ports always seem equal tho - if ((m_videowritemask & 0xf) != ((m_videowritemask>>4) & 0xf)) - { - logerror("m_videowritemask halves not equal %02x\n", m_videowritemask); - } - - if ((m_videowritemask2 & 0xf) != ((m_videowritemask2>>4) & 0xf)) - { - logerror("m_videowritemask2 halves not equal %02x\n", m_videowritemask2); - } - - if ((m_videowritemask) != (m_videowritemask2)) - { - logerror("m_videowritemask != m_videowritemask2 %02x %02x\n", m_videowritemask, m_videowritemask2); - } -#endif - - - for (int i=0; i<8; i++) - { - const uint8_t databit = data & (1<<i); - const uint8_t nodatabit = (1<<i); - - uint8_t videowritemask = 0; - - if (i>=6) videowritemask = (m_videowritemask>>4) & 0x0f; - else if (i>=4) videowritemask = (m_videowritemask>>0) & 0x0f; - else if (i>=2) videowritemask = (m_videowritemask2>>4) & 0x0f; - else videowritemask = (m_videowritemask2>>0) & 0x0f; - - if (!(videowritemask & 1) && databit) m_vram[offset] |= databit; - else m_vram[offset] &= ~nodatabit; - - if (!(videowritemask & 2) && databit) m_vram[offset+0x3800] |= databit; - else m_vram[offset+0x3800] &= ~nodatabit; - - if (!(videowritemask & 4) && databit) m_vram[offset+0x3800+0x3800] |= databit; - else m_vram[offset+0x3800+0x3800] &= ~nodatabit; - } -} - - -WRITE8_MEMBER(scyclone_state::vidctrl_w) -{ - // ---- facu - // f = flipscreen (always set during player 2 turn, even in upright mode?!) - // a = alternates during attract mode, enabled during gameplay - // u = unknown but used (set to 1 during gameplay) - // c = coinlock - m_vidctrl = data; - - if (data & 0xf0) - { - logerror("vidctrl_w %02x\n", data); - } -} - -WRITE8_MEMBER(scyclone_state::sprite_xpos_w) -{ - m_sprite_xpos = data; -} - -WRITE8_MEMBER(scyclone_state::sprite_ypos_w) -{ - m_sprite_ypos = data; -} - -WRITE8_MEMBER(scyclone_state::sprite_colour_w) -{ - m_sprite_colour = data; -} - -WRITE8_MEMBER(scyclone_state::sprite_tile_w) -{ - m_sprite_tile = data; -} - -WRITE8_MEMBER(scyclone_state::starscroll_w) -{ - m_starscroll = data; -} - -WRITE8_MEMBER(scyclone_state::port0e_w) -{ - // could be related to basic sound effects? - //logerror("port0e_w %02x\n",data); - m_p0e = data; -} - -WRITE8_MEMBER(scyclone_state::port06_w) -{ - // watchdog? -} - -// these seem to select where the vram writes go -// 3 possible planes, probably one 4 bits per 2 pixels? -WRITE8_MEMBER(scyclone_state::videomask1_w) -{ - // format seems to be -xxx -xxx - m_videowritemask = data; -} - -WRITE8_MEMBER(scyclone_state::videomask2_w) -{ - // format seems to be -xxx -xxx - m_videowritemask2 = data; -} - -// Sound CPU handlers - -WRITE8_MEMBER(scyclone_state::snd_3001_w) -{ - // need to clear the latch somewhere, the command value is written back here and at 3005 - // after acknowledging a command - // might actually reset the DACs as there are (at least) 2 of them? - m_soundlatch->clear_w(); -} - -/* -WRITE8_MEMBER(scyclone_state::snd_3003_w) -{ -// m_soundlatch->clear_w(); -} - -WRITE8_MEMBER(scyclone_state::snd_3004_w) -{ -// m_soundlatch->clear_w(); -} -*/ - -WRITE8_MEMBER(scyclone_state::snd_3005_w) -{ -// m_soundlatch->clear_w(); -} - - -static const gfx_layout tiles32x32_layout = -{ - 32,32, - RGN_FRAC(1,1), - 2, - { 0, 4 }, - { 0, 1, 2, 3, 256+0, 256+1, 256+2, 256+3, 512+0, 512+1, 512+2, 512+3, 768+0, 768+1, 768+2, 768+3, 1024+0, 1024+1, 1024+2, 1024+3, 1280+0, 1280+1, 1280+2, 1280+3, 1536+0, 1536+1, 1536+2, 1536+3, 1792+0, 1792+1, 1792+2, 1792+3 }, - { 0*8, 1*8, 2*8, 3*8, 4*8, 5*8, 6*8, 7*8, 8*8, 9*8, 10*8, 11*8, 12*8, 13*8, 14*8, 15*8, 16*8, 17*8, 18*8, 19*8, 20*8, 21*8, 22*8, 23*8, 24*8, 25*8, 26*8, 27*8, 28*8, 29*8, 30*8, 31*8 }, - 8*32*8 -}; - -static GFXDECODE_START( gfx_scyclone ) - GFXDECODE_ENTRY( "gfx1", 0, tiles32x32_layout, 8, 4 ) -GFXDECODE_END - - - -void scyclone_state::machine_start() -{ - save_item(NAME(m_videowritemask)); - save_item(NAME(m_videowritemask2)); - save_item(NAME(m_sprite_xpos)); - save_item(NAME(m_sprite_ypos)); - save_item(NAME(m_sprite_colour)); - save_item(NAME(m_sprite_tile)); - save_item(NAME(m_starscroll)); - save_item(NAME(m_p0e)); - save_item(NAME(m_vidctrl)); - save_item(NAME(m_hascollided)); -} - -void scyclone_state::machine_reset() -{ - m_sprite_xpos = 0; - m_sprite_ypos = 0; - m_sprite_colour = 0; - m_sprite_tile = 0; - m_starscroll = 0; - m_p0e = 0; - - m_hascollided = 0; -} - - - -INTERRUPT_GEN_MEMBER(scyclone_state::irq) -{ - // CPU runs in IM0 - m_maincpu->set_input_line_and_vector(0, HOLD_LINE, 0xd7); /* Z80 - RST 10h */ -} - - -void scyclone_state::scyclone(machine_config &config) -{ - /* basic machine hardware */ - Z80(config, m_maincpu, 5000000/2); // MOSTEK Z80-CPU ? MHz (there's also a 9.987MHz XTAL) intermissions seem driven directly by CPU speed for reference - m_maincpu->set_addrmap(AS_PROGRAM, &scyclone_state::scyclone_map); - m_maincpu->set_addrmap(AS_IO, &scyclone_state::scyclone_iomap); - m_maincpu->set_vblank_int("screen", FUNC(scyclone_state::irq)); - - // sound ? - z80_device &subcpu(Z80(config, "subcpu", 5000000/2)); // LH0080 Z80-CPU SHARP ? MHz (5Mhz XTAL on this sub-pcb) - subcpu.set_addrmap(AS_PROGRAM, &scyclone_state::scyclone_sub_map); - subcpu.set_addrmap(AS_IO, &scyclone_state::scyclone_sub_iomap); - // no idea, but it does wait on an irq in places, irq0 increases a register checked in the wait loop so without it sound dies after a while - subcpu.set_periodic_int(FUNC(scyclone_state::irq0_line_hold), attotime::from_hz(400*60)); - - GENERIC_LATCH_8(config, m_soundlatch); - - /* add shifter */ - MB14241(config, "mb14241"); - - /* video hardware */ - screen_device &screen(SCREEN(config, "screen", SCREEN_TYPE_RASTER)); - screen.set_refresh_hz(60); - screen.set_vblank_time(ATTOSECONDS_IN_USEC(0)); - screen.set_size(256, 256); - screen.set_visarea(0, 256-1, 0, 256-32-1); - screen.set_screen_update(FUNC(scyclone_state::screen_update_scyclone)); - screen.set_video_attributes(VIDEO_ALWAYS_UPDATE); // due to hw collisions - - GFXDECODE(config, m_gfxdecode, m_palette, gfx_scyclone); - PALETTE(config, m_palette).set_entries(8 + 4*4); - - /* sound hardware */ - SPEAKER(config, "speaker").front_center(); - - sn76477_device &snsnd0(SN76477(config, "snsnd0")); - snsnd0.set_enable(1); - snsnd0.add_route(ALL_OUTPUTS, "speaker", 0.2); - - sn76477_device &snsnd1(SN76477(config, "snsnd1")); - snsnd1.set_enable(1); - snsnd1.add_route(ALL_OUTPUTS, "speaker", 0.2); - - // this is just taken from route16.cpp - - DAC_8BIT_R2R(config, "dac", 0).add_route(ALL_OUTPUTS, "speaker", 0.25); // unknown DAC - - voltage_regulator_device &vref(VOLTAGE_REGULATOR(config, "vref", 0)); - vref.add_route(0, "dac", 1.0, DAC_VREF_POS_INPUT); - vref.add_route(0, "dac", -1.0, DAC_VREF_NEG_INPUT); - - DAC_8BIT_R2R(config, "dac2", 0).add_route(ALL_OUTPUTS, "speaker", 0.25); // unknown DAC - - voltage_regulator_device &vref2(VOLTAGE_REGULATOR(config, "vref2", 0)); - vref2.add_route(0, "dac2", 1.0, DAC_VREF_POS_INPUT); - vref2.add_route(0, "dac2", -1.0, DAC_VREF_NEG_INPUT); -} - -ROM_START( scyclone ) - ROM_REGION( 0x3000, "maincpu", 0 ) - ROM_LOAD( "de07.1h.2716", 0x0000, 0x0800, CRC(fa9c93a3) SHA1(701a3196ee67533d69f1264e14085d04dfb1b915) ) - ROM_LOAD( "de08.3h.2716", 0x0800, 0x0800, CRC(bdff3e77) SHA1(e3fc6840348fa6df834cb1fb8b3832db05b5c585) ) - ROM_LOAD( "de09.4h.2716", 0x1000, 0x0800, CRC(eed05875) SHA1(e00a1b2d2d723c2deedf5f5e3159936a5d27891d) ) - ROM_LOAD( "de10.5h.2716", 0x1800, 0x0800, CRC(71301be6) SHA1(70c1983d256a6a9e18c7a15b93f5e3781d884fdb) ) - ROM_LOAD( "de11.6h.2716", 0x2000, 0x0800, CRC(d241db51) SHA1(53c6489d715baf5f03032a7ac367a6af64bce040) ) - ROM_LOAD( "de12.7h.2716", 0x2800, 0x0800, CRC(208e3e9a) SHA1(07f0e6c5417584eef171d8dcad83d741f88c9348) ) - - ROM_REGION( 0x2000, "subcpu", 0 ) - ROM_LOAD( "de18.ic1.2716", 0x0000, 0x0800, CRC(182a5c24) SHA1(0ba29b6b3e7ec97c0b0748a6e60bb1a737dc55fa) ) - ROM_LOAD( "de04.ic9.2716", 0x0800, 0x0800, CRC(098269ac) SHA1(138af858bbbd73380086f971bcdd52ae47e2b667) ) - ROM_LOAD( "de05.ic14.2716", 0x1000, 0x0800, CRC(878f68b2) SHA1(2c2fa1b9053664ec26452ab0b35e2ae550601cc9) ) - ROM_LOAD( "de06.ic19.2716", 0x1800, 0x0800, CRC(0b1ead90) SHA1(38322b39f4420408c223cdbed3b75692a3d70746) ) - - ROM_REGION( 0x0800, "gfx1", 0 ) // 32x32x2 sprites - ROM_LOAD( "de01.11c.2716", 0x0000, 0x0800, CRC(bf770730) SHA1(1d0f9235b0618e3f4dd6db47efbdf92e2b00f5f6) ) - - ROM_REGION( 0x0400, "gfx1pal", 0 ) // only 16 bytes of this are actually used - ROM_LOAD( "de02.5b.82s137", 0x0000, 0x0400, CRC(fe4b278c) SHA1(c03080ab4d3fb84b8eec7087b925d1a1d8565fcc) ) - - ROM_REGION( 0x0840, "stars", 0 ) // probably the starfield bitmap - ROM_LOAD( "de15.3a.82s137", 0x0000, 0x0400, CRC(c2816161) SHA1(2d0e7b4dbdb2af1481a4b7e45b1f9e3640f69aec) ) - - ROM_REGION( 0x0040, "proms", 0 ) - ROM_LOAD( "de16.4a.82s123", 0x0000, 0x0020, CRC(5178e9c5) SHA1(dd2f81894069282f37feae21c5cfacf50f77dcd5) ) - ROM_LOAD( "de17.2e.82s123", 0x0020, 0x0020, CRC(3c8572e4) SHA1(c908c4ed99828fff576c3d0963cd8b99edeb993b) ) -ROM_END - -GAME( 1980, scyclone, 0, scyclone, scyclone, scyclone_state, empty_init, ROT270, "Taito Corporation", "Space Cyclone", MACHINE_IMPERFECT_COLORS | MACHINE_IMPERFECT_SOUND | MACHINE_SUPPORTS_SAVE ) |