// license:BSD-3-Clause // copyright-holders:Miodrag Milanovic, Robbbert /*************************************************************************** PK-8000 2009-05-12 Skeleton driver. 2009-07-18 Mostly working driver ****************************************************************************/ #include "emu.h" #include "includes/pk8000.h" #include "cpu/i8085/i8085.h" #include "machine/i8255.h" #include "imagedev/cassette.h" #include "sound/spkrdev.h" #include "machine/ram.h" #include "screen.h" #include "speaker.h" #include "formats/fmsx_cas.h" class pk8000_state : public pk8000_base_state { public: pk8000_state(const machine_config &mconfig, device_type type, const char *tag) : pk8000_base_state(mconfig, type, tag) , m_cassette(*this, "cassette") , m_ram(*this, RAM_TAG) , m_speaker(*this, "speaker") , m_region_maincpu(*this, "maincpu") , m_banks(*this, "bank%u", 0U) , m_io_joy1(*this, "JOY1") , m_io_joy2(*this, "JOY2") , m_keyboard(*this, "LINE%u", 0U) { } void pk8000(machine_config &config); private: u8 m_keyboard_line = 0U; u8 joy_1_r(); u8 joy_2_r(); void _80_porta_w(u8 data); u8 _80_portb_r(); void _80_portc_w(u8 data); virtual void machine_start() override; virtual void machine_reset() override; u32 screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect); INTERRUPT_GEN_MEMBER(interrupt); IRQ_CALLBACK_MEMBER(irq_callback); void pk8000_io(address_map &map); void pk8000_mem(address_map &map); required_device m_cassette; required_device m_ram; required_device m_speaker; required_memory_region m_region_maincpu; required_memory_bank_array<8> m_banks; required_ioport m_io_joy1; required_ioport m_io_joy2; required_ioport_array<10> m_keyboard; void set_bank(u8 data); }; void pk8000_state::set_bank(u8 data) { u8 *rom = m_region_maincpu->base(); u8 *ram = m_ram->pointer(); u8 block1 = data & 3; u8 block2 = (data >> 2) & 3; u8 block3 = (data >> 4) & 3; u8 block4 = (data >> 6) & 3; switch(block1) { case 0: m_banks[0]->set_base(rom); m_banks[4]->set_base(ram); break; case 1: break; case 2: break; case 3: m_banks[0]->set_base(ram); m_banks[4]->set_base(ram); break; } switch(block2) { case 0: m_banks[1]->set_base(rom + 0x4000); m_banks[5]->set_base(ram + 0x4000); break; case 1: break; case 2: break; case 3: m_banks[1]->set_base(ram + 0x4000); m_banks[5]->set_base(ram + 0x4000); break; } switch(block3) { case 0: m_banks[2]->set_base(rom + 0x8000); m_banks[6]->set_base(ram + 0x8000); break; case 1: break; case 2: break; case 3: m_banks[2]->set_base(ram + 0x8000); m_banks[6]->set_base(ram + 0x8000); break; } switch(block4) { case 0: m_banks[3]->set_base(rom + 0xc000); m_banks[7]->set_base(ram + 0xc000); break; case 1: break; case 2: break; case 3: m_banks[3]->set_base(ram + 0xc000); m_banks[7]->set_base(ram + 0xc000); break; } } void pk8000_state::_80_porta_w(u8 data) { set_bank(data); } u8 pk8000_state::_80_portb_r() { if(m_keyboard_line>9) { return 0xff; } return m_keyboard[m_keyboard_line]->read(); } void pk8000_state::_80_portc_w(u8 data) { m_keyboard_line = data & 0x0f; m_speaker->level_w(BIT(data, 7)); m_cassette->change_state((BIT(data, 4)) ? CASSETTE_MOTOR_ENABLED : CASSETTE_MOTOR_DISABLED, CASSETTE_MASK_MOTOR); m_cassette->output((BIT(data, 6)) ? +1.0 : 0.0); } u8 pk8000_state::joy_1_r() { u8 retVal = (m_cassette->input() > 0.0038 ? 0x80 : 0); retVal |= m_io_joy1->read() & 0x7f; return retVal; } u8 pk8000_state::joy_2_r() { u8 retVal = (m_cassette->input() > 0.0038 ? 0x80 : 0); retVal |= m_io_joy2->read() & 0x7f; return retVal; } void pk8000_state::pk8000_mem(address_map &map) { map.unmap_value_high(); map(0x0000, 0x3fff).bankr("bank0").bankw("bank4"); map(0x4000, 0x7fff).bankr("bank1").bankw("bank5"); map(0x8000, 0xbfff).bankr("bank2").bankw("bank6"); map(0xc000, 0xffff).bankr("bank3").bankw("bank7"); } void pk8000_state::pk8000_io(address_map &map) { map.unmap_value_high(); map(0x80, 0x83).rw("ppi8255_1", FUNC(i8255_device::read), FUNC(i8255_device::write)); map(0x84, 0x87).rw("ppi8255_2", FUNC(i8255_device::read), FUNC(i8255_device::write)); map(0x88, 0x88).rw(FUNC(pk8000_state::video_color_r), FUNC(pk8000_state::video_color_w)); map(0x8c, 0x8c).r(FUNC(pk8000_state::joy_1_r)); map(0x8d, 0x8d).r(FUNC(pk8000_state::joy_2_r)); map(0x90, 0x90).rw(FUNC(pk8000_state::text_start_r), FUNC(pk8000_state::text_start_w)); map(0x91, 0x91).rw(FUNC(pk8000_state::chargen_start_r), FUNC(pk8000_state::chargen_start_w)); map(0x92, 0x92).rw(FUNC(pk8000_state::video_start_r), FUNC(pk8000_state::video_start_w)); map(0x93, 0x93).rw(FUNC(pk8000_state::color_start_r), FUNC(pk8000_state::color_start_w)); map(0xa0, 0xbf).rw(FUNC(pk8000_state::color_r), FUNC(pk8000_state::color_w)); // extras for pk8002 //map(0x8c, 0x8f). // cassette in 2x KR1533KP11 //map(0x94, 0x97). // video colour //map(0x98, 0x9b).w // audio KR1533TM9, KR572PA1A, 2x KR555IR8 //map(0x9c, 0x9f).rw("ctc", FUNC(z80ctc_device::read), FUNC(z80ctc_device::write)); // part of the audio } /* Input ports */ static INPUT_PORTS_START( pk8000 ) PORT_START("LINE0") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("0") PORT_CODE(KEYCODE_0) PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("1") PORT_CODE(KEYCODE_1) PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("2") PORT_CODE(KEYCODE_2) PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("3") PORT_CODE(KEYCODE_3) PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("4") PORT_CODE(KEYCODE_4) PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("5") PORT_CODE(KEYCODE_5) PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("6") PORT_CODE(KEYCODE_6) PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("7") PORT_CODE(KEYCODE_7) PORT_START("LINE1") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("8") PORT_CODE(KEYCODE_8) PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("9") PORT_CODE(KEYCODE_9) PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME(",") PORT_CODE(KEYCODE_COMMA) PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("-") PORT_CODE(KEYCODE_MINUS) PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME(".") PORT_CODE(KEYCODE_STOP) PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME(":") PORT_CODE(KEYCODE_QUOTE) PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME(";") PORT_CODE(KEYCODE_COLON) PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("?") PORT_CODE(KEYCODE_SLASH) PORT_START("LINE2") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("[") PORT_CODE(KEYCODE_OPENBRACE) PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("|") PORT_CODE(KEYCODE_BACKSLASH) PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("]") PORT_CODE(KEYCODE_CLOSEBRACE) PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("~") PORT_CODE(KEYCODE_TILDE) PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("^") PORT_CODE(KEYCODE_EQUALS) PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("@") PORT_CODE(KEYCODE_MINUS_PAD) PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("A") PORT_CODE(KEYCODE_A) PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("B") PORT_CODE(KEYCODE_B) PORT_START("LINE3") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("C") PORT_CODE(KEYCODE_C) PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("D") PORT_CODE(KEYCODE_D) PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("E") PORT_CODE(KEYCODE_E) PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("F") PORT_CODE(KEYCODE_F) PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("G") PORT_CODE(KEYCODE_G) PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("H") PORT_CODE(KEYCODE_H) PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("I") PORT_CODE(KEYCODE_I) PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("J") PORT_CODE(KEYCODE_J) PORT_START("LINE4") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("K") PORT_CODE(KEYCODE_K) PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("L") PORT_CODE(KEYCODE_L) PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("M") PORT_CODE(KEYCODE_M) PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("N") PORT_CODE(KEYCODE_N) PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("O") PORT_CODE(KEYCODE_O) PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("P") PORT_CODE(KEYCODE_P) PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Q") PORT_CODE(KEYCODE_Q) PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("R") PORT_CODE(KEYCODE_R) PORT_START("LINE5") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("S") PORT_CODE(KEYCODE_S) PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("T") PORT_CODE(KEYCODE_T) PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("U") PORT_CODE(KEYCODE_U) PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("V") PORT_CODE(KEYCODE_V) PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("W") PORT_CODE(KEYCODE_W) PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("X") PORT_CODE(KEYCODE_X) PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Y") PORT_CODE(KEYCODE_Y) PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Z") PORT_CODE(KEYCODE_Z) PORT_START("LINE6") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Rg") PORT_CODE(KEYCODE_LSHIFT) PORT_CODE(KEYCODE_RSHIFT) PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Upr") PORT_CODE(KEYCODE_LCONTROL) PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Graf") PORT_CODE(KEYCODE_F10) PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Alf") PORT_CODE(KEYCODE_F9) PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("???") PORT_CODE(KEYCODE_LALT) PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("F1") PORT_CODE(KEYCODE_F1) PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("F2") PORT_CODE(KEYCODE_F2) PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("F3") PORT_CODE(KEYCODE_F3) PORT_START("LINE7") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("F4") PORT_CODE(KEYCODE_F4) PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("F5") PORT_CODE(KEYCODE_F5) PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Esc") PORT_CODE(KEYCODE_ESC) PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Tab") PORT_CODE(KEYCODE_TAB) PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Stop") PORT_CODE(KEYCODE_F12) PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("VSh") PORT_CODE(KEYCODE_BACKSPACE) PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Sel") PORT_CODE(KEYCODE_RCONTROL) PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Enter") PORT_CODE(KEYCODE_ENTER) PORT_START("LINE8") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Probel") PORT_CODE(KEYCODE_SPACE) PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Cls") PORT_CODE(KEYCODE_HOME) PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Ins") PORT_CODE(KEYCODE_INSERT) PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Del") PORT_CODE(KEYCODE_DEL) PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Left") PORT_CODE(KEYCODE_LEFT) PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Up") PORT_CODE(KEYCODE_UP) PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Down") PORT_CODE(KEYCODE_DOWN) PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Right") PORT_CODE(KEYCODE_RIGHT) PORT_START("LINE9") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Up-Left") PORT_CODE(KEYCODE_7_PAD) PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Down-Right") PORT_CODE(KEYCODE_3_PAD) PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Menu") PORT_CODE(KEYCODE_5_PAD) PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Begin") PORT_CODE(KEYCODE_4_PAD) PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("End") PORT_CODE(KEYCODE_6_PAD) PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("End page") PORT_CODE(KEYCODE_PGDN) PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Begin page") PORT_CODE(KEYCODE_PGUP) PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_UNUSED) PORT_START("JOY1") PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_JOYSTICK_UP) PORT_PLAYER(1) PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_JOYSTICK_DOWN) PORT_PLAYER(1) PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_JOYSTICK_LEFT) PORT_PLAYER(1) PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_JOYSTICK_RIGHT) PORT_PLAYER(1) PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_BUTTON1) PORT_PLAYER(1) PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_BUTTON2) PORT_PLAYER(1) PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_UNUSED) PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_UNUSED) PORT_START("JOY2") PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_JOYSTICK_UP) PORT_PLAYER(2) PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_JOYSTICK_DOWN) PORT_PLAYER(2) PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_JOYSTICK_LEFT) PORT_PLAYER(2) PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_JOYSTICK_RIGHT) PORT_PLAYER(2) PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_BUTTON1) PORT_PLAYER(2) PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_BUTTON2) PORT_PLAYER(2) PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_UNUSED) PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_UNUSED) INPUT_PORTS_END INTERRUPT_GEN_MEMBER(pk8000_state::interrupt) { device.execute().set_input_line(0, HOLD_LINE); } IRQ_CALLBACK_MEMBER(pk8000_state::irq_callback) { return 0xff; } void pk8000_state::machine_start() { save_item(NAME(m_keyboard_line)); save_item(NAME(m_text_start)); save_item(NAME(m_chargen_start)); save_item(NAME(m_video_start)); save_item(NAME(m_color_start)); save_item(NAME(m_video_mode)); save_item(NAME(m_video_color)); save_item(NAME(m_color)); save_item(NAME(m_video_enable)); } void pk8000_state::machine_reset() { set_bank(0); } u32 pk8000_state::screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect) { return video_update(screen, bitmap, cliprect, m_ram->pointer()); } void pk8000_state::pk8000(machine_config &config) { /* basic machine hardware */ I8080(config, m_maincpu, 1780000); // pk8002 = 10'220'000 / 8 m_maincpu->set_addrmap(AS_PROGRAM, &pk8000_state::pk8000_mem); m_maincpu->set_addrmap(AS_IO, &pk8000_state::pk8000_io); m_maincpu->set_vblank_int("screen", FUNC(pk8000_state::interrupt)); m_maincpu->set_irq_acknowledge_callback(FUNC(pk8000_state::irq_callback)); /* video hardware */ screen_device &screen(SCREEN(config, "screen", SCREEN_TYPE_RASTER)); screen.set_refresh_hz(50); screen.set_vblank_time(ATTOSECONDS_IN_USEC(2500)); /* not accurate */ screen.set_size(256+32, 192+32); screen.set_visarea(0, 256+32-1, 0, 192+32-1); screen.set_screen_update(FUNC(pk8000_state::screen_update)); screen.set_palette("palette"); PALETTE(config, "palette", FUNC(pk8000_state::pk8000_palette), 16); i8255_device &ppi1(I8255(config, "ppi8255_1")); ppi1.out_pa_callback().set(FUNC(pk8000_state::_80_porta_w)); ppi1.in_pb_callback().set(FUNC(pk8000_state::_80_portb_r)); ppi1.out_pc_callback().set(FUNC(pk8000_state::_80_portc_w)); i8255_device &ppi2(I8255(config, "ppi8255_2")); ppi2.in_pa_callback().set(FUNC(pk8000_state::_84_porta_r)); ppi2.out_pa_callback().set(FUNC(pk8000_state::_84_porta_w)); ppi2.out_pc_callback().set(FUNC(pk8000_state::_84_portc_w)); /* audio hardware */ SPEAKER(config, "mono").front_center(); SPEAKER_SOUND(config, "speaker").add_route(ALL_OUTPUTS, "mono", 0.50); CASSETTE(config, m_cassette); m_cassette->set_formats(fmsx_cassette_formats); m_cassette->set_default_state(CASSETTE_PLAY); m_cassette->add_route(ALL_OUTPUTS, "mono", 0.05); /* internal ram */ RAM(config, RAM_TAG).set_default_size("64K"); } /* ROM definition */ ROM_START( vesta ) ROM_REGION( 0x10000, "maincpu", ROMREGION_ERASEFF ) ROM_LOAD( "vesta.rom", 0x0000, 0x4000, CRC(fbf7e2cc) SHA1(4bc5873066124bd926c3c6aa2fd1a062c87af339)) ROM_END ROM_START( hobby ) ROM_REGION( 0x10000, "maincpu", ROMREGION_ERASEFF ) ROM_LOAD( "hobby.rom", 0x0000, 0x4000, CRC(a25b4b2c) SHA1(0d86e6e4be8d1aa389bfa9dd79e3604a356729f7)) ROM_END ROM_START( pk8002 ) ROM_REGION( 0x10000, "maincpu", ROMREGION_ERASEFF ) // there is actually 1 rom 0000-07ff (U3) mirrored to 0800,1000,1800, then another rom 2000-27ff (U4) mirrored to 2800,3000,3800 ROM_LOAD( "pk8002.rom", 0x0000, 0x4000, CRC(07b9ae71) SHA1(2137a41cc095c7aba58b7b109fce63f30a4568b2)) ROM_END /* Driver */ /* YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS */ COMP( 1987, vesta, 0, 0, pk8000, pk8000, pk8000_state, empty_init, "BP EVM", "PK8000 Vesta", MACHINE_SUPPORTS_SAVE ) COMP( 1987, hobby, vesta, 0, pk8000, pk8000, pk8000_state, empty_init, "BP EVM", "PK8000 Sura/Hobby", MACHINE_SUPPORTS_SAVE ) COMP( 1987, pk8002, vesta, 0, pk8000, pk8000, pk8000_state, empty_init, "", "PK8002 Elf", MACHINE_NOT_WORKING | MACHINE_SUPPORTS_SAVE )