// license:BSD-3-Clause // copyright-holders:Philip Bennett, Angelo Salese /*************************************************************************** Dynamo Skeet Shot Notes: Pop Shot is a prototype sequel (or upgrade) to Skeet Shot Supposedly Skeet Shot used a laserdisc to supply video for eight different background "scenes". Pop Shot probably did too, in that case. ***************************************************************************/ #include "emu.h" #include "cpu/mc68hc11/mc68hc11.h" #include "cpu/tms34010/tms34010.h" #include "sound/ay8910.h" #include "video/tlc34076.h" #include "screen.h" #include "speaker.h" /************************************* * * Structs * *************************************/ class skeetsht_state : public driver_device { public: skeetsht_state(const machine_config &mconfig, device_type type, const char *tag) : driver_device(mconfig, type, tag), m_tlc34076(*this, "tlc34076"), m_tms_vram(*this, "tms_vram"), m_68hc11(*this, "68hc11"), m_ay(*this, "aysnd"), m_tms(*this, "tms") { } void skeetsht(machine_config &config); private: required_device m_tlc34076; required_shared_ptr m_tms_vram; uint8_t m_porta_latch; uint8_t m_ay_sel; uint8_t m_lastdataw; uint16_t m_lastdatar; DECLARE_READ16_MEMBER(ramdac_r); DECLARE_WRITE16_MEMBER(ramdac_w); DECLARE_WRITE8_MEMBER(tms_w); DECLARE_READ8_MEMBER(tms_r); DECLARE_WRITE8_MEMBER(hc11_porta_w); DECLARE_WRITE8_MEMBER(ay8910_w); DECLARE_WRITE_LINE_MEMBER(tms_irq); TMS340X0_SCANLINE_RGB32_CB_MEMBER(scanline_update); virtual void machine_reset() override; virtual void video_start() override; required_device m_68hc11; required_device m_ay; required_device m_tms; void hc11_pgm_map(address_map &map); void tms_program_map(address_map &map); }; /************************************* * * Initialisation * *************************************/ void skeetsht_state::machine_reset() { } /************************************* * * Video Functions * *************************************/ void skeetsht_state::video_start() { } TMS340X0_SCANLINE_RGB32_CB_MEMBER(skeetsht_state::scanline_update) { const pen_t *const pens = m_tlc34076->pens(); uint16_t *vram = &m_tms_vram[(params->rowaddr << 8) & 0x3ff00]; uint32_t *dest = &bitmap.pix32(scanline); int coladdr = params->coladdr; int x; for (x = params->heblnk; x < params->hsblnk; x += 2) { uint16_t pixels = vram[coladdr++ & 0xff]; dest[x + 0] = pens[pixels & 0xff]; dest[x + 1] = pens[pixels >> 8]; } } READ16_MEMBER(skeetsht_state::ramdac_r) { offset = (offset >> 12) & ~4; if (offset & 8) offset = (offset & ~8) | 4; return m_tlc34076->read(offset); } WRITE16_MEMBER(skeetsht_state::ramdac_w) { offset = (offset >> 12) & ~4; if (offset & 8) offset = (offset & ~8) | 4; m_tlc34076->write(offset, data); } /************************************* * * CPU Communications * *************************************/ WRITE_LINE_MEMBER(skeetsht_state::tms_irq) { m_68hc11->set_input_line(MC68HC11_IRQ_LINE, state ? ASSERT_LINE : CLEAR_LINE); } WRITE8_MEMBER(skeetsht_state::tms_w) { if ((offset & 1) == 0) m_lastdataw = data; else m_tms->host_w(offset >> 1, (m_lastdataw << 8) | data); } READ8_MEMBER(skeetsht_state::tms_r) { if ((offset & 1) == 0) m_lastdatar = m_tms->host_r(offset >> 1); return m_lastdatar >> ((offset & 1) ? 0 : 8); } /************************************* * * I/O * *************************************/ WRITE8_MEMBER(skeetsht_state::hc11_porta_w) { if (!(data & 0x8) && (m_porta_latch & 8)) m_ay_sel = m_porta_latch & 0x10; m_porta_latch = data; } WRITE8_MEMBER(skeetsht_state::ay8910_w) { if (m_ay_sel) m_ay->data_w(data); else m_ay->address_w(data); } /************************************* * * Main CPU memory handlers * *************************************/ void skeetsht_state::hc11_pgm_map(address_map &map) { map(0x0000, 0xffff).rom().region("68hc11", 0); map(0x1800, 0x1800).w(FUNC(skeetsht_state::ay8910_w)); map(0x2800, 0x2807).rw(FUNC(skeetsht_state::tms_r), FUNC(skeetsht_state::tms_w)); map(0xb600, 0xbdff).ram(); //internal EEPROM } /************************************* * * Video CPU memory handlers * *************************************/ void skeetsht_state::tms_program_map(address_map &map) { map(0x00000000, 0x003fffff).ram().share("tms_vram"); map(0x00440000, 0x004fffff).rw(FUNC(skeetsht_state::ramdac_r), FUNC(skeetsht_state::ramdac_w)); map(0xff800000, 0xffbfffff).rom().mirror(0x00400000).region("tms", 0); } /************************************* * * Input definitions * *************************************/ static INPUT_PORTS_START( skeetsht ) INPUT_PORTS_END /************************************* * * Machine driver * *************************************/ void skeetsht_state::skeetsht(machine_config &config) { MC68HC11A1(config, m_68hc11, 8000000); // ? m_68hc11->set_addrmap(AS_PROGRAM, &skeetsht_state::hc11_pgm_map); m_68hc11->out_pa_callback().set(FUNC(skeetsht_state::hc11_porta_w)); TMS34010(config, m_tms, 48000000); m_tms->set_addrmap(AS_PROGRAM, &skeetsht_state::tms_program_map); m_tms->set_halt_on_reset(true); m_tms->set_pixel_clock(48000000 / 8); m_tms->set_pixels_per_clock(1); m_tms->set_scanline_rgb32_callback(FUNC(skeetsht_state::scanline_update)); m_tms->output_int().set(FUNC(skeetsht_state::tms_irq)); TLC34076(config, m_tlc34076, 0); m_tlc34076->set_bits(tlc34076_device::TLC34076_6_BIT); screen_device &screen(SCREEN(config, "screen", SCREEN_TYPE_RASTER)); screen.set_raw(48000000 / 8, 156*4, 0, 100*4, 328, 0, 300); // FIXME screen.set_screen_update("tms", FUNC(tms34010_device::tms340x0_rgb32)); SPEAKER(config, "mono").front_center(); AY8910(config, m_ay, 2000000).add_route(ALL_OUTPUTS, "mono", 0.50); // ? } /************************************* * * ROM definition(s) * *************************************/ ROM_START( skeetsht ) ROM_REGION( 0x40000, "68hc11", 0 ) ROM_LOAD( "hc_11_v1.2.u34", 0x00000, 0x20000, CRC(b9801dea) SHA1(bc5bcd29b5880081c87b4014eb2c9c5077024db1) ) ROM_LOAD( "sound.u35", 0x20000, 0x20000, CRC(0d9be853) SHA1(51eda4e0a99d50e09476704eb75310b5ee2690f4) ) ROM_REGION16_LE( 0x200000, "tms", 0 ) ROM_LOAD16_BYTE( "even_v1.2.u14", 0x000000, 0x40000, CRC(c7c9515e) SHA1(ce3e813c15085790d5335d9fc751b3cc5b617b20) ) ROM_LOAD16_BYTE( "odd_v1.2.u13", 0x000001, 0x40000, CRC(ea4402fb) SHA1(b0b6b191a8b48bead660a385c638363943a6ffe2) ) DISK_REGION( "laserdisc" ) DISK_IMAGE_READONLY( "skeetsht", 0, NO_DUMP ) // unknown disc label? ROM_END ROM_START( popshot ) ROM_REGION( 0x40000, "68hc11", 0 ) ROM_LOAD( "popshot_hc68.u34", 0x00000, 0x20000, CRC(90de8bd3) SHA1(1809f209ead8e304464c697f42e9f6ac2d0ca594) ) ROM_LOAD( "sound.u35", 0x20000, 0x20000, CRC(0d9be853) SHA1(51eda4e0a99d50e09476704eb75310b5ee2690f4) ) ROM_REGION16_LE( 0x200000, "tms", 0 ) ROM_LOAD16_BYTE( "popshot_tms34_even.u14", 0x000000, 0x80000, CRC(bf2f7309) SHA1(6ca252f857e5dc2e5267c176403c44e7a15f539e) ) ROM_LOAD16_BYTE( "popshot_tms34_odd.u13", 0x000001, 0x80000, CRC(82d616d8) SHA1(83ab33727ebab882b79c9ebd3557e2c319b3387a) ) DISK_REGION( "laserdisc" ) DISK_IMAGE_READONLY( "popshot", 0, NO_DUMP ) // unknown disc label? ROM_END /************************************* * * Game driver(s) * *************************************/ GAME( 1991, skeetsht, 0, skeetsht, skeetsht, skeetsht_state, empty_init, ROT0, "Dynamo", "Skeet Shot", MACHINE_NOT_WORKING ) GAME( 1991, popshot, 0, skeetsht, skeetsht, skeetsht_state, empty_init, ROT0, "Dynamo", "Pop Shot (prototype)", MACHINE_NOT_WORKING )