mirror of
https://github.com/holub/mame
synced 2025-06-05 20:33:45 +03:00
scyclone: small cleanup (no functional changes),
konamim2: clarify gun switch
This commit is contained in:
hap
parent
fa893c6871
commit
a4b4ef9af8
@ -288,7 +288,7 @@ public:
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void init_btltryst();
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void init_hellngt();
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template<int N> ioport_value evilngt_aim_up() { return m_guny[N]->read() ? 0 : 1; }
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template<int N> ioport_value evilngt_aim_up();
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protected:
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virtual void machine_start() override ATTR_COLD;
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@ -425,6 +425,13 @@ void konamim2_state::ata_int(int state)
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*
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*************************************/
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template<int N>
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ioport_value konamim2_state::evilngt_aim_up()
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{
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// when P1/P3 gun is aimed up, it triggers a mercury switch inside the gun
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return (m_guny[N]->read() > 0) ? 0 : 1;
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}
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uint16_t konamim2_state::konami_io0_r(offs_t offset)
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{
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// printf("IO R: %08X\n", offset);
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@ -59,10 +59,13 @@ public:
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scyclone_state(const machine_config &mconfig, device_type type, const char *tag) :
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driver_device(mconfig, type, tag),
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m_maincpu(*this, "maincpu"),
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m_subcpu(*this, "subcpu"),
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m_gfxdecode(*this, "gfxdecode"),
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m_stars(*this, "stars"),
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m_gfx1pal(*this, "gfx1pal"),
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m_palette(*this, "palette"),
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m_snsnd(*this, "snsnd%u", 0),
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m_dac(*this, "dac%u", 0),
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m_soundlatch(*this, "soundlatch")
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{ }
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@ -70,47 +73,32 @@ public:
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int collision_r();
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protected:
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virtual void machine_start() override ATTR_COLD;
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virtual void machine_reset() override ATTR_COLD;
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virtual void video_start() override ATTR_COLD;
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private:
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void vidctrl_w(uint8_t data);
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void sprite_xpos_w(uint8_t data);
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void sprite_ypos_w(uint8_t data);
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void sprite_colour_w(uint8_t data);
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void sprite_tile_w(uint8_t data);
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void starscroll_w(uint8_t data);
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void port0e_w(uint8_t data);
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void port06_w(uint8_t data);
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void videomask1_w(uint8_t data);
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void videomask2_w(uint8_t data);
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void vram_w(offs_t offset, uint8_t data);
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uint8_t vram_r(offs_t offset);
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void snd_3001_w(uint8_t data);
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// void snd_3003_w(uint8_t data);
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// void snd_3004_w(uint8_t data);
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void snd_3005_w(uint8_t data);
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uint32_t screen_update_scyclone(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect);
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INTERRUPT_GEN_MEMBER(irq);
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// devices
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required_device<cpu_device> m_maincpu;
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required_device<cpu_device> m_subcpu;
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required_device<gfxdecode_device> m_gfxdecode;
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required_region_ptr<uint8_t> m_stars;
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required_region_ptr<uint8_t> m_gfx1pal;
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required_device<palette_device> m_palette;
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required_device_array<sn76477_device, 2> m_snsnd;
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required_device_array<dac_byte_interface, 2> m_dac;
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required_device<generic_latch_8_device> m_soundlatch;
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void scyclone_iomap(address_map &map) ATTR_COLD;
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void scyclone_map(address_map &map) ATTR_COLD;
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void scyclone_sub_iomap(address_map &map) ATTR_COLD;
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void scyclone_sub_map(address_map &map) ATTR_COLD;
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virtual void machine_start() override ATTR_COLD;
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virtual void machine_reset() override ATTR_COLD;
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virtual void video_start() override ATTR_COLD;
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INTERRUPT_GEN_MEMBER(main_irq);
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INTERRUPT_GEN_MEMBER(sound_irq);
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required_device<cpu_device> m_maincpu;
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required_device<gfxdecode_device> m_gfxdecode;
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required_region_ptr<uint8_t> m_stars;
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required_region_ptr<uint8_t> m_gfx1pal;
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required_device<palette_device> m_palette;
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required_device<generic_latch_8_device> m_soundlatch;
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/* memory pointers */
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// video-related
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std::unique_ptr<uint8_t[]> m_vram;
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uint8_t m_videowritemask = 0;
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@ -126,18 +114,38 @@ private:
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uint8_t m_hascollided = 0;
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/* video-related */
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const uint8_t get_sprite_pixel(int x, int y);
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const uint8_t get_bitmap_pixel(int x, int y);
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uint32_t draw_starfield(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect);
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uint32_t draw_bitmap_and_sprite(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect);
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uint32_t screen_update_scyclone(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect);
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void vidctrl_w(uint8_t data);
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void sprite_xpos_w(uint8_t data);
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void sprite_ypos_w(uint8_t data);
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void sprite_colour_w(uint8_t data);
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void sprite_tile_w(uint8_t data);
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void starscroll_w(uint8_t data);
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void port0e_w(uint8_t data);
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void port06_w(uint8_t data);
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void videomask1_w(uint8_t data);
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void videomask2_w(uint8_t data);
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void vram_w(offs_t offset, uint8_t data);
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uint8_t vram_r(offs_t offset);
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// sound related
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void snd_3001_w(uint8_t data);
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void snd_3003_w(uint8_t data);
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void snd_3004_w(uint8_t data);
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void snd_3005_w(uint8_t data);
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};
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/***************************************************************************
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Start the video hardware emulation.
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Video hardware
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***************************************************************************/
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@ -146,9 +154,6 @@ void scyclone_state::video_start()
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m_vram = std::make_unique<uint8_t []>(0x3800*3);
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save_pointer(&m_vram[0], "m_vram", 0x3800*3);
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m_videowritemask = 0x00;
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m_videowritemask2 = 0x00;
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for (int i = 0; i < 8; i++)
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m_palette->set_pen_color(i, rgb_t(pal1bit(i >> 0), pal1bit(i >> 1), pal1bit(i >> 2)));
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@ -161,15 +166,15 @@ void scyclone_state::video_start()
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const uint8_t scyclone_state::get_sprite_pixel(int x, int y)
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{
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int minx = 0xe0-m_sprite_xpos;
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int miny = 0xe0-m_sprite_ypos;
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int minx = 0xe0 - m_sprite_xpos;
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int miny = 0xe0 - m_sprite_ypos;
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int col = m_sprite_colour & 3;
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int code = m_sprite_tile & 7;
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int maxx = minx + 32;
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int maxy = miny + 32;
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/* if we're not even inside the sprite, return nothing */
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// if we're not even inside the sprite, return nothing
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if (x < minx || x >= maxx)
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return 0;
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@ -181,7 +186,7 @@ const uint8_t scyclone_state::get_sprite_pixel(int x, int y)
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const uint8_t* srcdata = m_gfxdecode->gfx(0)->get_data(code);
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uint8_t pix = srcdata[spry*32 + sprx] + col*4;
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uint8_t pix = srcdata[spry * 32 + sprx] + col * 4;
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return pix;
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}
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@ -189,9 +194,9 @@ const uint8_t scyclone_state::get_sprite_pixel(int x, int y)
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const uint8_t scyclone_state::get_bitmap_pixel(int x, int y)
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{
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const uint8_t video_data0 = m_vram[(y*32+(x/8))];
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const uint8_t video_data1 = m_vram[(y*32+(x/8))+0x3800];
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const uint8_t video_data2 = m_vram[(y*32+(x/8))+0x3800+0x3800];
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const uint8_t video_data0 = m_vram[(y * 32 + (x / 8))];
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const uint8_t video_data1 = m_vram[(y * 32 + (x / 8)) + 0x3800];
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const uint8_t video_data2 = m_vram[(y * 32 + (x / 8)) + 0x3800 + 0x3800];
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int const bit(x & 0x07);
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@ -199,7 +204,7 @@ const uint8_t scyclone_state::get_bitmap_pixel(int x, int y)
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const uint8_t plane1(BIT(video_data1, bit));
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const uint8_t plane2(BIT(video_data2, bit));
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const uint8_t pal = plane0 | (plane1<<1) | (plane2<<2);
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const uint8_t pal = plane0 | (plane1 << 1) | (plane2 << 2);
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return pal;
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}
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@ -208,23 +213,21 @@ uint32_t scyclone_state::draw_starfield(screen_device &screen, bitmap_rgb32 &bit
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{
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const pen_t *paldata = m_palette->pens();
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// this is not correct, but the first 0x80 bytes of the PROM are blank suggesting that this
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// part is for the non-visible 32 rows at least, so it should be something like this
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// blinking and colours are not understood at all
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// This is not correct, but the first 0x80 bytes of the PROM are blank suggesting that this
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// part is for the non-visible 32 rows at least, so it should be something like this.
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// Blinking and colours are not understood at all.
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for (int strip=0;strip<16;strip++)
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for (int strip = 0; strip < 16; strip++)
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{
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for (int x=0;x<256;x++)
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for (int x = 0; x < 256; x++)
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{
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const uint8_t star = m_stars[((x+m_starscroll) & 0x3f)+(strip*0x40)];
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const uint8_t star = m_stars[((x + m_starscroll) & 0x3f) + (strip * 0x40)];
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for (int y=0;y<16;y++)
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for (int y = 0; y < 16; y++)
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{
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const int ypos = (y+16*strip)-32;
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const int ypos = (y + 16 * strip) - 32;
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if (ypos>=0 && ypos<256)
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if (ypos >= 0 && ypos < 256)
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{
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int noclipped = 0;
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@ -233,7 +236,6 @@ uint32_t scyclone_state::draw_starfield(screen_device &screen, bitmap_rgb32 &bit
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else
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noclipped = x >= 64;
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if (y == star && star != 0 && noclipped)
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bitmap.pix(ypos, x) = paldata[7];
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else
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@ -251,19 +253,19 @@ uint32_t scyclone_state::draw_bitmap_and_sprite(screen_device &screen, bitmap_rg
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const pen_t *paldata = m_palette->pens();
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m_hascollided = 0;
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for (int y=0;y<256-32;y++)
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for (int y = 0; y < 256-32; y++)
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{
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for (int x=0;x<256/8;x++)
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for (int x = 0; x < 256/8; x++)
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{
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for (int i=0;i<8;i++)
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for (int i = 0; i < 8; i++)
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{
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int realx = 0;
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int realy = 0;
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if (m_vidctrl & 0x08)
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{
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realx = 255 - ((x*8)+i);
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realy = 255-32-y;
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realx = 255 - ((x*8) + i);
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realy = 255 - 32 - y;
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}
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else
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{
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@ -271,16 +273,15 @@ uint32_t scyclone_state::draw_bitmap_and_sprite(screen_device &screen, bitmap_rg
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realy = y;
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}
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uint8_t pal = get_bitmap_pixel(realx, realy);
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if (pal) bitmap.pix(y, (x*8)+i) = paldata[pal];
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if (pal) bitmap.pix(y, (x*8) + i) = paldata[pal];
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uint8_t pal2 = get_sprite_pixel(realx, realy);
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if (pal2 & 0x3)
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{
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bitmap.pix(y, (x*8)+i) = paldata[8+pal2];
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bitmap.pix(y, (x*8) + i) = paldata[8 + pal2];
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if (pal == 0x7) m_hascollided = 1;
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}
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}
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@ -302,113 +303,16 @@ uint32_t scyclone_state::screen_update_scyclone(screen_device &screen, bitmap_rg
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}
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void scyclone_state::scyclone_map(address_map &map)
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{
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map(0x0000, 0x2fff).rom();
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map(0x4000, 0x43ff).ram();
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map(0x4400, 0x5fff).rw(FUNC(scyclone_state::vram_r), FUNC(scyclone_state::vram_w));
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map(0x6000, 0x60ff).noprw(); // this just seems to be overflow from the VRAM writes, probably goes nowhere
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}
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void scyclone_state::scyclone_iomap(address_map &map)
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{
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map.global_mask(0xff);
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map(0x00, 0x00).r("mb14241", FUNC(mb14241_device::shift_result_r)).w("mb14241", FUNC(mb14241_device::shift_count_w));
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map(0x01, 0x01).portr("IN0").w("mb14241", FUNC(mb14241_device::shift_data_w));
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map(0x02, 0x02).portr("IN1");
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map(0x03, 0x03).portr("DSW0").w(FUNC(scyclone_state::vidctrl_w));
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map(0x04, 0x04).w(FUNC(scyclone_state::sprite_xpos_w));
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map(0x05, 0x05).w(FUNC(scyclone_state::sprite_ypos_w));
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map(0x06, 0x06).w(FUNC(scyclone_state::port06_w)); // possible watchdog, unlikely to be twinkle related.
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map(0x08, 0x08).w(FUNC(scyclone_state::sprite_colour_w));
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map(0x09, 0x09).w(FUNC(scyclone_state::sprite_tile_w));
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map(0x0a, 0x0a).w(FUNC(scyclone_state::starscroll_w));
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map(0x0e, 0x0e).w(FUNC(scyclone_state::port0e_w));
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map(0x0f, 0x0f).w(m_soundlatch, FUNC(generic_latch_8_device::write));
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map(0x40, 0x40).w(FUNC(scyclone_state::videomask1_w));
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map(0x80, 0x80).w(FUNC(scyclone_state::videomask2_w));
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}
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void scyclone_state::scyclone_sub_map(address_map &map)
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{
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map(0x0000, 0x1fff).rom();
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map(0x2000, 0x23ff).ram();
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map(0x3000, 0x3000).r(m_soundlatch, FUNC(generic_latch_8_device::read)).w("dac", FUNC(dac_byte_interface::data_w)); // music
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map(0x3001, 0x3001).w(FUNC(scyclone_state::snd_3001_w)); // written at the same time, with the same data as 0x3005
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map(0x3002, 0x3002).w("dac2", FUNC(dac_byte_interface::data_w)); // speech
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// map(0x3003, 0x3003).w(FUNC(scyclone_state::snd_3003_w)); // writes 02 or 00
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// map(0x3004, 0x3004).w(FUNC(scyclone_state::snd_3004_w)); // always writes 00?
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map(0x3005, 0x3005).w(FUNC(scyclone_state::snd_3005_w)); // written at the same time, with the same data as 0x3001
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}
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void scyclone_state::scyclone_sub_iomap(address_map &map)
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{
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map.global_mask(0xff);
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}
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// appears to be when a white bitmap pixel (col 0x7) collides with a large sprite?
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// if you simply set it to 1 and shoot in the left corner, the game gets stuck
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// but if you have it set to 0 there are no collisions with large objects
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int scyclone_state::collision_r()
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{
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return m_hascollided;
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}
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static INPUT_PORTS_START( scyclone )
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PORT_START("IN0")
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PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_UNKNOWN )
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PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_TILT )
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PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_START2 )
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PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_START1 )
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PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_COIN1 )
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PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_BUTTON1 )
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PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_JOYSTICK_RIGHT ) PORT_2WAY
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PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_JOYSTICK_LEFT ) PORT_2WAY
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PORT_START("IN1")
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PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_CUSTOM ) PORT_READ_LINE_MEMBER(FUNC(scyclone_state::collision_r)) // hw collision?
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// maybe these 4 are the 4xdsw bank?
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PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_UNKNOWN )
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PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_UNKNOWN )
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PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_UNKNOWN )
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PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_UNKNOWN )
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PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_BUTTON1 ) PORT_COCKTAIL PORT_CONDITION("DSW0",0x04,EQUALS,0x00)
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PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_JOYSTICK_RIGHT ) PORT_2WAY PORT_COCKTAIL PORT_CONDITION("DSW0",0x04,EQUALS,0x00)
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PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_JOYSTICK_LEFT ) PORT_2WAY PORT_COCKTAIL PORT_CONDITION("DSW0",0x04,EQUALS,0x00)
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PORT_START("DSW0")
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PORT_DIPNAME( 0x03, 0x01, DEF_STR( Lives ) ) PORT_DIPLOCATION("DSW0:1,2")
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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
|
||||
// Memory handlers
|
||||
|
||||
uint8_t scyclone_state::vram_r(offs_t offset)
|
||||
{
|
||||
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];
|
||||
ret |= m_vram[offset + 0x3800];
|
||||
ret |= m_vram[offset + 0x3800 + 0x3800];
|
||||
|
||||
return ret;
|
||||
}
|
||||
@ -421,12 +325,12 @@ void scyclone_state::vram_w(offs_t offset, uint8_t data)
|
||||
// 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))
|
||||
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))
|
||||
if ((m_videowritemask2 & 0xf) != ((m_videowritemask2 >> 4) & 0xf))
|
||||
{
|
||||
logerror("m_videowritemask2 halves not equal %02x\n", m_videowritemask2);
|
||||
}
|
||||
@ -437,27 +341,26 @@ void scyclone_state::vram_w(offs_t offset, uint8_t data)
|
||||
}
|
||||
#endif
|
||||
|
||||
|
||||
for (int i=0; i<8; i++)
|
||||
for (int i = 0; i < 8; i++)
|
||||
{
|
||||
const uint8_t databit = data & (1<<i);
|
||||
const uint8_t nodatabit = (1<<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 (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 & 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;
|
||||
if (!(videowritemask & 4) && databit) m_vram[offset + 0x3800 + 0x3800] |= databit;
|
||||
else m_vram[offset + 0x3800 + 0x3800] &= ~nodatabit;
|
||||
}
|
||||
}
|
||||
|
||||
@ -528,7 +431,22 @@ void scyclone_state::videomask2_w(uint8_t data)
|
||||
m_videowritemask2 = data;
|
||||
}
|
||||
|
||||
// Sound CPU handlers
|
||||
|
||||
int scyclone_state::collision_r()
|
||||
{
|
||||
// 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.
|
||||
return m_hascollided;
|
||||
}
|
||||
|
||||
|
||||
|
||||
/***************************************************************************
|
||||
|
||||
Sound hardware
|
||||
|
||||
***************************************************************************/
|
||||
|
||||
void scyclone_state::snd_3001_w(uint8_t data)
|
||||
{
|
||||
@ -538,23 +456,137 @@ void scyclone_state::snd_3001_w(uint8_t data)
|
||||
m_soundlatch->clear_w();
|
||||
}
|
||||
|
||||
/*
|
||||
void scyclone_state::snd_3003_w(uint8_t data)
|
||||
{
|
||||
// m_soundlatch->clear_w();
|
||||
}
|
||||
|
||||
void scyclone_state::snd_3004_w(uint8_t data)
|
||||
{
|
||||
// m_soundlatch->clear_w();
|
||||
// always writes 00?
|
||||
}
|
||||
*/
|
||||
|
||||
void scyclone_state::snd_3005_w(uint8_t data)
|
||||
{
|
||||
// m_soundlatch->clear_w();
|
||||
// written at the same time, with the same data as 0x3001
|
||||
}
|
||||
|
||||
INTERRUPT_GEN_MEMBER(scyclone_state::sound_irq)
|
||||
{
|
||||
m_subcpu->set_input_line(0, HOLD_LINE);
|
||||
}
|
||||
|
||||
|
||||
|
||||
/***************************************************************************
|
||||
|
||||
Address maps
|
||||
|
||||
***************************************************************************/
|
||||
|
||||
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(m_dac[0], FUNC(dac_byte_interface::data_w)); // music
|
||||
map(0x3001, 0x3001).w(FUNC(scyclone_state::snd_3001_w));
|
||||
map(0x3002, 0x3002).w(m_dac[1], FUNC(dac_byte_interface::data_w)); // speech
|
||||
map(0x3003, 0x3003).w(FUNC(scyclone_state::snd_3003_w));
|
||||
map(0x3004, 0x3004).w(FUNC(scyclone_state::snd_3004_w));
|
||||
map(0x3005, 0x3005).w(FUNC(scyclone_state::snd_3005_w));
|
||||
}
|
||||
|
||||
void scyclone_state::scyclone_sub_iomap(address_map &map)
|
||||
{
|
||||
map.global_mask(0xff);
|
||||
}
|
||||
|
||||
|
||||
|
||||
/***************************************************************************
|
||||
|
||||
Input ports
|
||||
|
||||
***************************************************************************/
|
||||
|
||||
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(FUNC(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
|
||||
|
||||
|
||||
|
||||
/***************************************************************************
|
||||
|
||||
GFX Layouts
|
||||
|
||||
***************************************************************************/
|
||||
|
||||
static const gfx_layout tiles32x32_layout =
|
||||
{
|
||||
@ -562,8 +594,18 @@ static const gfx_layout tiles32x32_layout =
|
||||
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 },
|
||||
{
|
||||
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
|
||||
};
|
||||
|
||||
@ -573,6 +615,12 @@ GFXDECODE_END
|
||||
|
||||
|
||||
|
||||
/***************************************************************************
|
||||
|
||||
Machine initialization
|
||||
|
||||
***************************************************************************/
|
||||
|
||||
void scyclone_state::machine_start()
|
||||
{
|
||||
save_item(NAME(m_videowritemask));
|
||||
@ -601,34 +649,37 @@ void scyclone_state::machine_reset()
|
||||
|
||||
|
||||
|
||||
INTERRUPT_GEN_MEMBER(scyclone_state::irq)
|
||||
/***************************************************************************
|
||||
|
||||
Machine configs
|
||||
|
||||
***************************************************************************/
|
||||
|
||||
INTERRUPT_GEN_MEMBER(scyclone_state::main_irq)
|
||||
{
|
||||
// CPU runs in IM0
|
||||
m_maincpu->set_input_line_and_vector(0, HOLD_LINE, 0xd7); /* Z80 - RST 10h */
|
||||
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
|
||||
// basic machine hardware
|
||||
Z80(config, m_maincpu, 5_MHz_XTAL/2); // MOSTEK Z80-CPU 2.5MHz? (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));
|
||||
m_maincpu->set_vblank_int("screen", FUNC(scyclone_state::main_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);
|
||||
Z80(config, m_subcpu, 5_MHz_XTAL/2); // LH0080 Z80-CPU SHARP 2.5MHz (5Mhz XTAL on this sub-pcb)
|
||||
m_subcpu->set_addrmap(AS_PROGRAM, &scyclone_state::scyclone_sub_map);
|
||||
m_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));
|
||||
m_subcpu->set_periodic_int(FUNC(scyclone_state::sound_irq), attotime::from_hz(400*60));
|
||||
|
||||
GENERIC_LATCH_8(config, m_soundlatch);
|
||||
|
||||
/* add shifter */
|
||||
MB14241(config, "mb14241");
|
||||
|
||||
/* video hardware */
|
||||
// video hardware
|
||||
screen_device &screen(SCREEN(config, "screen", SCREEN_TYPE_RASTER));
|
||||
screen.set_refresh_hz(60);
|
||||
screen.set_vblank_time(ATTOSECONDS_IN_USEC(0));
|
||||
@ -640,24 +691,29 @@ void scyclone_state::scyclone(machine_config &config)
|
||||
GFXDECODE(config, m_gfxdecode, m_palette, gfx_scyclone);
|
||||
PALETTE(config, m_palette).set_entries(8 + 4*4);
|
||||
|
||||
/* sound hardware */
|
||||
// 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(config, m_snsnd[0]);
|
||||
m_snsnd[0]->set_enable(1);
|
||||
m_snsnd[0]->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);
|
||||
SN76477(config, m_snsnd[1]);
|
||||
m_snsnd[1]->set_enable(1);
|
||||
m_snsnd[1]->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
|
||||
|
||||
DAC_8BIT_R2R(config, "dac2", 0).add_route(ALL_OUTPUTS, "speaker", 0.25); // unknown DAC
|
||||
DAC_8BIT_R2R(config, m_dac[0]).add_route(ALL_OUTPUTS, "speaker", 0.25); // unknown DAC
|
||||
DAC_8BIT_R2R(config, m_dac[1]).add_route(ALL_OUTPUTS, "speaker", 0.25); // unknown DAC
|
||||
}
|
||||
|
||||
|
||||
|
||||
/***************************************************************************
|
||||
|
||||
ROM definitions
|
||||
|
||||
***************************************************************************/
|
||||
|
||||
ROM_START( scyclone )
|
||||
ROM_REGION( 0x3000, "maincpu", 0 )
|
||||
ROM_LOAD( "de07.1h.2716", 0x0000, 0x0800, CRC(fa9c93a3) SHA1(701a3196ee67533d69f1264e14085d04dfb1b915) )
|
||||
@ -690,4 +746,4 @@ ROM_END
|
||||
} // anonymous namespace
|
||||
|
||||
|
||||
GAME( 1980, scyclone, 0, scyclone, scyclone, scyclone_state, empty_init, ROT270, "Taito Corporation", "Space Cyclone", MACHINE_IMPERFECT_COLORS | MACHINE_IMPERFECT_SOUND | MACHINE_SUPPORTS_SAVE )
|
||||
GAME( 1980, scyclone, 0, scyclone, scyclone, scyclone_state, empty_init, ROT270, "Taito Corporation", "Space Cyclone", MACHINE_IMPERFECT_COLORS | MACHINE_IMPERFECT_SOUND | MACHINE_SUPPORTS_SAVE )
|
||||
|
||||
Loading…
Reference in New Issue
Block a user