// license:BSD-3-Clause // copyright-holders:David Haywood /*************************************************************************** Calcune (Japan, prototype) CPUs are HD68HC000CP8 and TMPZ84C00AU-6 QFP types. Other ICs include two Sega 315-5660-02 VDPs and a YMZ280B-F for sound. Oscillators: 53.693MHz (OSC1), 16.9444 (XL1), 14.318 (XL3). Printed on board: "VDP LICENSE FROM SEGA, MANUFACTURED BY ADO." ***************************************************************************/ #include "emu.h" #include "cpu/m68000/m68000.h" #include "cpu/z80/z80.h" #include "sound/sn76496.h" #include "sound/ymz280b.h" #include "video/315_5313.h" #include "machine/nvram.h" #include "emupal.h" #include "speaker.h" #define OSC1_CLOCK 53693175 // same as NTSC genesis / mega drive master clock class calcune_state : public driver_device { public: calcune_state(const machine_config &mconfig, device_type type, const char *tag) : driver_device(mconfig, type, tag), m_maincpu(*this, "maincpu"), m_vdp(*this, "gen_vdp%u", 1U) { } void init_calcune(); void calcune(machine_config &config); private: required_device m_maincpu; required_device_array m_vdp; int m_vdp_state; WRITE_LINE_MEMBER(vdp_sndirqline_callback_genesis_z80); WRITE_LINE_MEMBER(vdp_lv6irqline_callback_genesis_68k); WRITE_LINE_MEMBER(vdp_lv4irqline_callback_genesis_68k); DECLARE_MACHINE_START(calcune); DECLARE_MACHINE_RESET(calcune); IRQ_CALLBACK_MEMBER(genesis_int_callback); DECLARE_READ16_MEMBER(cal_700000_r); DECLARE_WRITE16_MEMBER(cal_770000_w); DECLARE_READ16_MEMBER(cal_vdp_r); DECLARE_WRITE16_MEMBER(cal_vdp_w); uint32_t screen_update_calcune(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect); void calcune_map(address_map &map); }; static INPUT_PORTS_START( calcune ) PORT_START("710000") PORT_BIT( 0x0001, IP_ACTIVE_HIGH, IPT_JOYSTICK_UP ) PORT_PLAYER(2) PORT_BIT( 0x0002, IP_ACTIVE_HIGH, IPT_JOYSTICK_DOWN ) PORT_PLAYER(2) PORT_BIT( 0x0004, IP_ACTIVE_HIGH, IPT_JOYSTICK_LEFT ) PORT_PLAYER(2) PORT_BIT( 0x0008, IP_ACTIVE_HIGH, IPT_JOYSTICK_RIGHT ) PORT_PLAYER(2) PORT_BIT( 0x0010, IP_ACTIVE_HIGH, IPT_BUTTON1 ) PORT_PLAYER(2) PORT_BIT( 0x0020, IP_ACTIVE_HIGH, IPT_BUTTON2 ) PORT_PLAYER(2) PORT_BIT( 0x0040, IP_ACTIVE_HIGH, IPT_UNUSED ) PORT_BIT( 0x0080, IP_ACTIVE_HIGH, IPT_UNUSED ) PORT_BIT( 0x0100, IP_ACTIVE_HIGH, IPT_SERVICE1 ) PORT_SERVICE_NO_TOGGLE( 0x0200, IP_ACTIVE_HIGH ) PORT_BIT( 0x0400, IP_ACTIVE_HIGH, IPT_UNUSED ) PORT_BIT( 0x0800, IP_ACTIVE_HIGH, IPT_COIN1 ) PORT_BIT( 0x1000, IP_ACTIVE_HIGH, IPT_UNUSED ) PORT_BIT( 0x2000, IP_ACTIVE_HIGH, IPT_START1 ) PORT_BIT( 0x4000, IP_ACTIVE_HIGH, IPT_START2 ) PORT_BIT( 0x8000, IP_ACTIVE_HIGH, IPT_UNUSED ) PORT_START("720000") PORT_BIT( 0x0001, IP_ACTIVE_HIGH, IPT_JOYSTICK_UP ) PORT_PLAYER(1) PORT_BIT( 0x0002, IP_ACTIVE_HIGH, IPT_JOYSTICK_DOWN ) PORT_PLAYER(1) PORT_BIT( 0x0004, IP_ACTIVE_HIGH, IPT_JOYSTICK_LEFT ) PORT_PLAYER(1) PORT_BIT( 0x0008, IP_ACTIVE_HIGH, IPT_JOYSTICK_RIGHT ) PORT_PLAYER(1) PORT_BIT( 0x0010, IP_ACTIVE_HIGH, IPT_BUTTON1 ) PORT_PLAYER(1) PORT_BIT( 0x0020, IP_ACTIVE_HIGH, IPT_BUTTON2 ) PORT_PLAYER(1) PORT_BIT( 0xffc0, IP_ACTIVE_HIGH, IPT_UNUSED ) INPUT_PORTS_END READ16_MEMBER(calcune_state::cal_700000_r) { m_vdp_state = 0; return 0; } WRITE16_MEMBER(calcune_state::cal_770000_w) { m_vdp_state = data; } READ16_MEMBER(calcune_state::cal_vdp_r) { return m_vdp[m_vdp_state ? 1 : 0]->vdp_r(offset, mem_mask); } WRITE16_MEMBER(calcune_state::cal_vdp_w) { m_vdp[m_vdp_state ? 1 : 0]->vdp_w(offset, data, mem_mask); } void calcune_state::calcune_map(address_map &map) { map(0x000000, 0x1fffff).rom(); map(0x700000, 0x700001).r(FUNC(calcune_state::cal_700000_r)); map(0x710000, 0x710001).portr("710000"); map(0x720000, 0x720001).portr("720000"); // map(0x730000, 0x730001) possible Z80 control? map(0x760000, 0x760003).rw("ymz", FUNC(ymz280b_device::read), FUNC(ymz280b_device::write)).umask16(0xff00); map(0x770000, 0x770001).w(FUNC(calcune_state::cal_770000_w)); map(0xA14100, 0xA14101).noprw(); // on startup, possible z80 control map(0xc00000, 0xc0001f).rw(FUNC(calcune_state::cal_vdp_r), FUNC(calcune_state::cal_vdp_w)); map(0xff0000, 0xffffff).ram().share("nvram"); // battery on PCB } uint32_t calcune_state::screen_update_calcune(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect) { const pen_t *paldata = m_vdp[0]->gfx_palette()->pens(); const pen_t *paldata_s = m_vdp[0]->gfx_palette_shadow()->pens(); const pen_t *paldata_h = m_vdp[0]->gfx_palette_hilight()->pens(); const pen_t *paldata2 = m_vdp[1]->gfx_palette()->pens(); const pen_t *paldata2_s = m_vdp[1]->gfx_palette_shadow()->pens(); const pen_t *paldata2_h = m_vdp[1]->gfx_palette_hilight()->pens(); for (int y = cliprect.min_y; y <= cliprect.max_y; y++) { const unsigned palette_per_scanline = 64 * y; uint32_t *dst = &bitmap.pix32(y); for (int x = cliprect.min_x; x <= cliprect.max_x; x++) { int pix; pix = m_vdp[1]->m_render_line_raw[x] & 0x3f; switch (pix & 0xc0) { case 0x00: dst[x] = paldata2[pix + palette_per_scanline]; break; case 0x40: case 0x80: dst[x] = paldata2_s[pix + palette_per_scanline]; break; case 0xc0: dst[x] = paldata2_h[pix + palette_per_scanline]; break; } if (m_vdp[0]->m_render_line_raw[x] & 0x100) { pix = m_vdp[0]->m_render_line_raw[x] & 0x3f; if (pix & 0xf) { switch (pix & 0xc0) { case 0x00: dst[x] = paldata[pix + palette_per_scanline]; break; case 0x40: case 0x80: dst[x] = paldata_s[pix + palette_per_scanline]; break; case 0xc0: dst[x] = paldata_h[pix + palette_per_scanline]; break; } } } } } return 0; } MACHINE_RESET_MEMBER(calcune_state,calcune) { m_vdp[0]->device_reset_old(); m_vdp[1]->device_reset_old(); } IRQ_CALLBACK_MEMBER(calcune_state::genesis_int_callback) { if (irqline==4) { m_vdp[0]->vdp_clear_irq4_pending(); } if (irqline==6) { m_vdp[0]->vdp_clear_irq6_pending(); } return (0x60+irqline*4)/4; // vector address } WRITE_LINE_MEMBER(calcune_state::vdp_sndirqline_callback_genesis_z80) { } WRITE_LINE_MEMBER(calcune_state::vdp_lv6irqline_callback_genesis_68k) { // this looks odd but is the logic the Genesis code requires if (state == ASSERT_LINE) m_maincpu->set_input_line(6, HOLD_LINE); else m_maincpu->set_input_line(6, CLEAR_LINE); } WRITE_LINE_MEMBER(calcune_state::vdp_lv4irqline_callback_genesis_68k) { // this looks odd but is the logic the Genesis code requires if (state == ASSERT_LINE) m_maincpu->set_input_line(4, HOLD_LINE); else m_maincpu->set_input_line(4, CLEAR_LINE); } MACHINE_START_MEMBER(calcune_state,calcune) { m_vdp[0]->stop_timers(); m_vdp[1]->stop_timers(); m_vdp_state = 0; save_item(NAME(m_vdp_state)); } void calcune_state::calcune(machine_config &config) { M68000(config, m_maincpu, OSC1_CLOCK / 7); /* 7.67 MHz */ m_maincpu->set_addrmap(AS_PROGRAM, &calcune_state::calcune_map); m_maincpu->set_irq_acknowledge_callback(FUNC(calcune_state::genesis_int_callback)); Z80(config, "z80", OSC1_CLOCK / 15).set_disable(); /* 3.58 MHz, no code is ever uploaded for the Z80, so it's unused here even if it is present on the PCB */ MCFG_MACHINE_START_OVERRIDE(calcune_state,calcune) MCFG_MACHINE_RESET_OVERRIDE(calcune_state,calcune) screen_device &screen(SCREEN(config, "megadriv", SCREEN_TYPE_RASTER)); screen.set_refresh_hz(double(OSC1_CLOCK) / 10.0 / 262.0 / 342.0); // same as SMS? // screen.set_refresh_hz(double(OSC1_CLOCK) / 8.0 / 262.0 / 427.0); // or 427 Htotal? screen.set_vblank_time(ATTOSECONDS_IN_USEC(0)); // Vblank handled manually. screen.set_size(64*8, 620); screen.set_visarea(0, 40*8-1, 0, 28*8-1); screen.set_screen_update(FUNC(calcune_state::screen_update_calcune)); SEGA315_5313(config, m_vdp[0], OSC1_CLOCK, m_maincpu); m_vdp[0]->set_is_pal(false); m_vdp[0]->snd_irq().set(FUNC(calcune_state::vdp_sndirqline_callback_genesis_z80)); m_vdp[0]->lv6_irq().set(FUNC(calcune_state::vdp_lv6irqline_callback_genesis_68k)); m_vdp[0]->lv4_irq().set(FUNC(calcune_state::vdp_lv4irqline_callback_genesis_68k)); m_vdp[0]->set_alt_timing(1); m_vdp[0]->add_route(ALL_OUTPUTS, "lspeaker", 0.25); m_vdp[0]->add_route(ALL_OUTPUTS, "rspeaker", 0.25); SEGA315_5313(config, m_vdp[1], OSC1_CLOCK, m_maincpu); m_vdp[1]->set_is_pal(false); // are these not hooked up or should they OR with the other lines? // m_vdp[1]->snd_irq().set(FUNC(calcune_state::vdp_sndirqline_callback_genesis_z80)); // m_vdp[1]->lv6_irq().set(FUNC(calcune_state::vdp_lv6irqline_callback_genesis_68k)); // m_vdp[1]->lv4_irq().set(FUNC(calcune_state::vdp_lv4irqline_callback_genesis_68k)); m_vdp[1]->set_alt_timing(1); m_vdp[1]->add_route(ALL_OUTPUTS, "lspeaker", 0.25); m_vdp[1]->add_route(ALL_OUTPUTS, "rspeaker", 0.25); TIMER(config, "scantimer").configure_scanline(m_vdp[0], FUNC(sega315_5313_device::megadriv_scanline_timer_callback_alt_timing), "megadriv", 0, 1); TIMER(config, "scantimer2").configure_scanline(m_vdp[1], FUNC(sega315_5313_device::megadriv_scanline_timer_callback_alt_timing), "megadriv", 0, 1); NVRAM(config, "nvram", nvram_device::DEFAULT_ALL_0); /* sound hardware */ SPEAKER(config, "lspeaker").front_left(); SPEAKER(config, "rspeaker").front_right(); ymz280b_device &ymz(YMZ280B(config, "ymz", XTAL(16'934'400))); ymz.add_route(0, "lspeaker", 1.0); ymz.add_route(1, "rspeaker", 1.0); } void calcune_state::init_calcune() { m_vdp[0]->set_use_cram(1); m_vdp[0]->set_vdp_pal(false); m_vdp[0]->set_framerate(60); m_vdp[0]->set_total_scanlines(262); m_vdp[1]->set_use_cram(1); m_vdp[1]->set_vdp_pal(false); m_vdp[1]->set_framerate(60); m_vdp[1]->set_total_scanlines(262); } ROM_START( calcune ) ROM_REGION( 0x400000, "maincpu", 0 ) /* 68000 Code - ROM check fails, but probably due to prototype status, not bad ROM */ ROM_LOAD16_BYTE( "1.ic101.27c4001", 0x000001, 0x080000, CRC(2d25544c) SHA1(ef778cbf2aa4fcec43ce2dce9bcefb964f458c0a) ) ROM_LOAD16_BYTE( "2.ic102.27c4001", 0x000000, 0x080000, CRC(09330dc9) SHA1(fd888a7469a6290cd372a4b1eed577c2444f0c80) ) ROM_LOAD16_BYTE( "3.ic103.27c4001", 0x100001, 0x080000, CRC(736a356d) SHA1(372fa5989a67746efc439d76df1733cf70df57e7) ) ROM_LOAD16_BYTE( "4.ic104.27c4001", 0x100000, 0x080000, CRC(0bec031a) SHA1(69b255743f20408b2f14bddf0b85c85a13f29615) ) ROM_REGION( 0x200000, "ymz", 0 ) ROM_LOAD( "sound1.1c.27c4001", 0x000000, 0x080000, CRC(5fb63e84) SHA1(6fad8e76162c81b2cfa4778effb81b78ed4fa299) ) ROM_LOAD( "sound2.2d.27c4001", 0x080000, 0x080000, CRC(8924c6cc) SHA1(c76e6cfcf92a2c2834de62d7136c69e6edda46cc) ) ROM_LOAD( "sound3.3a.27c4001", 0x100000, 0x080000, CRC(18cfa7f4) SHA1(201ea186eb3af9138db6699c9dcf527795f7c0db) ) ROM_LOAD( "sound4.4b.27c4001", 0x180000, 0x080000, CRC(61a8510b) SHA1(177e56c374aa5697545ede28140cb42b5a4b737b) ) ROM_END GAME( 1996, calcune, 0, calcune, calcune, calcune_state, init_calcune, ROT0, "Yuvo", "Calcune (Japan, prototype)", 0 )