// license:BSD-3-Clause // copyright-holders:Luca Elia /*************************************************************************** Quiz Punch II (C)1989 Space Computer Driver by Luca Elia - It uses an unknown DIP40 device for protection, that supplies the address to jump to (same as mosaic.cpp) and handles the EEPROM PCB Layout ---------- |---------------------------------------------| |U1 U26 6116 32MHz| | U120 U119 | |U2 U118 U117| | U27 6116 | | | | | | U28 6116 Z80 | | U2A 93C46 U111| | 6264 | | U29 * 8MHz| | U20 6116 | | 6116 | | U21 U30 | | 6116 | | U22 6116 DSW1(8)| |VOL YM2203 Z80 | | YM3014 MAHJONG28 | |---------------------------------------------| Notes: * - Unknown DIP40 chip. +5V on pin 17, GND on pin 22 pins 4,3,2 of 93C46 tied to unknown chip on pins 23,24,25 All clocks unknown, PCB not working Possibly Z80's @ 4MHz and YM2203 @ 2MHz PCB marked 'Ducksan Trading Co. Ltd. Made In Korea' ***************************************************************************/ /*************************************************************************** Quiz Punch (C)1988 Space Computer Ducksan 1989 88-01-14-0775 |--------------------------------------------------| |VOL MC1455 02.U2 01.U1 | |UPC1241 | |LM358 05.U22 04.U21 03.U20 | |YM3014B 6116 10.U30 09.U29 08.U28 07.U27 06.U26| |YM2203 Z80A | | | |J 6116 6116 6116 6116 6116 | |A | |M | |M |------------| | |A | | | | | EPOXY | | | | MODULE | | | | | | | 6116 6116 | | | | |------------| 14.U120 | | GM76C88 13.U119 | | 12.U118 | | 11.U117 | | DSW(8) 8MHz 15.U111 32MHz| |--------------------------------------------------| Notes: Z80A - clock 4.000MHz (8/2) YM2203 - clock 4.000MHz (8/2) VSync - 59.3148Hz HSync - 15.2526kHz Epoxy Module contains: Z80B (input clock 4.000MHz) 68705P5 MCU HY 93C46 EEPROM (upside down) 4 logic chips ***************************************************************************/ #include "emu.h" #include "cpu/m6805/m68705.h" #include "cpu/z80/z80.h" #include "machine/eepromser.h" #include "machine/gen_latch.h" #include "sound/2203intf.h" #include "screen.h" #include "speaker.h" // very preliminary quizpun2 protection simulation #define VERBOSE_PROTECTION_LOG 0 enum prot_state { STATE_IDLE = 0, STATE_ADDR_R, STATE_ROM_R, STATE_EEPROM_R, STATE_EEPROM_W }; struct prot_t { prot_state state; int wait_param; int param; int cmd; int addr; }; class quizpun2_state : public driver_device { public: quizpun2_state(const machine_config &mconfig, device_type type, const char *tag) : driver_device(mconfig, type, tag), m_maincpu(*this, "maincpu"), m_audiocpu(*this, "audiocpu"), m_gfxdecode(*this, "gfxdecode"), m_palette(*this, "palette"), m_soundlatch(*this, "soundlatch"), m_eeprom(*this, "eeprom"), m_fg_ram(*this, "fg_ram"), m_bg_ram(*this, "bg_ram") { } required_device m_maincpu; required_device m_audiocpu; required_device m_gfxdecode; required_device m_palette; required_device m_soundlatch; required_device m_eeprom; required_shared_ptr m_fg_ram; required_shared_ptr m_bg_ram; tilemap_t *m_bg_tmap; tilemap_t *m_fg_tmap; uint8_t m_scroll; TILE_GET_INFO_MEMBER(get_bg_tile_info); TILE_GET_INFO_MEMBER(get_fg_tile_info); DECLARE_WRITE8_MEMBER(bg_ram_w); DECLARE_WRITE8_MEMBER(fg_ram_w); DECLARE_WRITE8_MEMBER(scroll_w); DECLARE_WRITE8_MEMBER(rombank_w); DECLARE_WRITE8_MEMBER(irq_ack); DECLARE_WRITE8_MEMBER(soundlatch_w); virtual void machine_reset() override; virtual void machine_start() override; virtual void video_start() override; uint32_t screen_update_quizpun2(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect); // quizpun2 void log_protection( address_space &space, const char *warning ); struct prot_t m_prot; DECLARE_READ8_MEMBER(quizpun2_protection_r); DECLARE_WRITE8_MEMBER(quizpun2_protection_w); // quizpun uint8_t m_port_a, m_port_b; bool m_quizpun_pending; bool m_quizpun_written; bool m_quizpun_repeat; DECLARE_READ8_MEMBER(quizpun_68705_port_a_r); DECLARE_WRITE8_MEMBER(quizpun_68705_port_a_w); DECLARE_READ8_MEMBER(quizpun_68705_port_b_r); DECLARE_WRITE8_MEMBER(quizpun_68705_port_b_w); DECLARE_READ8_MEMBER(quizpun_68705_port_c_r); DECLARE_WRITE8_MEMBER(quizpun_68705_port_c_w); DECLARE_READ8_MEMBER(quizpun_protection_r); DECLARE_WRITE8_MEMBER(quizpun_protection_w); }; /*************************************************************************** Video Hardware ***************************************************************************/ TILE_GET_INFO_MEMBER(quizpun2_state::get_bg_tile_info) { uint16_t code = m_bg_ram[ tile_index * 2 ] + m_bg_ram[ tile_index * 2 + 1 ] * 256; SET_TILE_INFO_MEMBER(0, code, code >> 12, TILE_FLIPXY((code & 0x800) >> 11)); } TILE_GET_INFO_MEMBER(quizpun2_state::get_fg_tile_info) { uint16_t code = m_fg_ram[ tile_index * 4 ]/* + m_fg_ram[ tile_index * 4 + 1 ] * 256*/; uint8_t color = m_fg_ram[ tile_index * 4 + 2 ]; SET_TILE_INFO_MEMBER(1, code, color / 2, 0); } WRITE8_MEMBER(quizpun2_state::bg_ram_w) { m_bg_ram[offset] = data; m_bg_tmap->mark_tile_dirty(offset/2); } WRITE8_MEMBER(quizpun2_state::fg_ram_w) { m_fg_ram[offset] = data; m_fg_tmap->mark_tile_dirty(offset/4); } WRITE8_MEMBER(quizpun2_state::scroll_w) { m_scroll = data; } void quizpun2_state::video_start() { m_bg_tmap = &machine().tilemap().create(*m_gfxdecode, tilemap_get_info_delegate(FUNC(quizpun2_state::get_bg_tile_info),this), TILEMAP_SCAN_ROWS,16,16,0x20,0x40); m_fg_tmap = &machine().tilemap().create(*m_gfxdecode, tilemap_get_info_delegate(FUNC(quizpun2_state::get_fg_tile_info),this), TILEMAP_SCAN_ROWS,16,16,0x20,0x40); m_bg_tmap->set_transparent_pen(0); m_fg_tmap->set_transparent_pen(0); } uint32_t quizpun2_state::screen_update_quizpun2(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect) { int layers_ctrl = -1; #ifdef MAME_DEBUG if (machine().input().code_pressed(KEYCODE_Z)) { int msk = 0; if (machine().input().code_pressed(KEYCODE_Q)) msk |= 1; if (machine().input().code_pressed(KEYCODE_W)) msk |= 2; if (msk != 0) layers_ctrl &= msk; } #endif int bg_scroll = (m_scroll & 0x3) >> 0; int fg_scroll = (m_scroll & 0xc) >> 2; m_bg_tmap->set_scrolly(0, bg_scroll * 0x100); m_fg_tmap->set_scrolly(0, fg_scroll * 0x100); if (layers_ctrl & 1) m_bg_tmap->draw(screen, bitmap, cliprect, TILEMAP_DRAW_OPAQUE, 0); else bitmap.fill(m_palette->black_pen(), cliprect); if (layers_ctrl & 2) m_fg_tmap->draw(screen, bitmap, cliprect, 0, 0); // popmessage("BG: %x FG: %x", bg_scroll, fg_scroll); return 0; } /*************************************************************************** Quizpun2 Protection Simulation ROM checksum: write 0x80 | (0x00-0x7f), write 0, read 2 bytes Read address: write 0x80 | param1 & 0x07f (0x00), write param2 & 0x7f, read 2 bytes Read EEPROM: write 0x20 | (0x00-0x0f), write 0, read 8 bytes Write EEPROM: write 0x00 | (0x00-0x0f), write 0, write 8 bytes ***************************************************************************/ void quizpun2_state::machine_start() { uint8_t *ROM = memregion("maincpu")->base(); membank("bank1")->configure_entries(0, 0x20, &ROM[0x10000], 0x2000); } void quizpun2_state::machine_reset() { membank("bank1")->set_entry(0); // quizpun2 m_prot.state = STATE_IDLE; m_prot.wait_param = 0; m_prot.param = 0; m_prot.cmd = 0; m_prot.addr = 0; // quizpun m_port_a = m_port_b = 0; m_quizpun_pending = m_quizpun_written = m_quizpun_repeat = false; } void quizpun2_state::log_protection( address_space &space, const char *warning ) { logerror("%04x: protection - %s (state %x, wait %x, param %02x, cmd %02x, addr %02x)\n", space.device().safe_pc(), warning, m_prot.state, m_prot.wait_param, m_prot.param, m_prot.cmd, m_prot.addr ); } READ8_MEMBER(quizpun2_state::quizpun2_protection_r) { struct prot_t &prot = m_prot; uint8_t ret; switch ( prot.state ) { case STATE_ROM_R: // Checksum of MCU addresses 0-ff (0x8e9c^0xffff expected) if (prot.addr == 0xfe) ret = 0x8e ^ 0xff; else if (prot.addr == 0xff) ret = 0x9c ^ 0xff; else ret = 0x00; break; case STATE_ADDR_R: // Address to jump to (big endian!) switch ( prot.param ) { case 0x19: // Print ret = 0x0b95 >> ((prot.addr & 1) ? 0 : 8); break; case 0x44: // Clear screen? ret = 0x1bd9 >> ((prot.addr & 1) ? 0 : 8); // needed, but should also clear the screen break; case 0x45: // Backup RAM check ret = 0x2242 >> ((prot.addr & 1) ? 0 : 8); break; default: log_protection(space, "unknown address"); ret = 0x2e59 >> ((prot.addr & 1) ? 0 : 8); // return the address of: XOR A, RET } break; case STATE_EEPROM_R: // EEPROM read { uint8_t *eeprom = memregion("eeprom")->base(); ret = eeprom[prot.addr]; break; } default: log_protection(space, "unknown read"); ret = 0x00; } #if VERBOSE_PROTECTION_LOG log_protection(space, "info READ"); #endif prot.addr++; return ret; } WRITE8_MEMBER(quizpun2_state::quizpun2_protection_w) { struct prot_t &prot = m_prot; switch ( prot.state ) { case STATE_EEPROM_W: { uint8_t *eeprom = memregion("eeprom")->base(); eeprom[prot.addr] = data; prot.addr++; if ((prot.addr % 8) == 0) prot.state = STATE_IDLE; break; } default: if (prot.wait_param) { prot.param = data; prot.wait_param = 0; // change state: if (prot.cmd & 0x80) { if (prot.param == 0x00) { prot.state = STATE_ROM_R; prot.addr = (prot.cmd & 0x7f) * 2; } else if (prot.cmd == 0x80) { prot.state = STATE_ADDR_R; prot.addr = 0; } else log_protection(space, "unknown command"); } else if (prot.cmd >= 0x00 && prot.cmd <= 0x0f) { prot.state = STATE_EEPROM_W; prot.addr = (prot.cmd & 0x0f) * 8; } else if (prot.cmd >= 0x20 && prot.cmd <= 0x2f) { prot.state = STATE_EEPROM_R; prot.addr = (prot.cmd & 0x0f) * 8; } else { prot.state = STATE_IDLE; log_protection(space, "unknown command"); } } else { prot.cmd = data; prot.wait_param = 1; } break; } #if VERBOSE_PROTECTION_LOG log_protection(space, "info WRITE"); #endif } /*************************************************************************** Memory Maps - Main CPU ***************************************************************************/ WRITE8_MEMBER(quizpun2_state::rombank_w) { membank("bank1")->set_entry(data & 0x1f); } WRITE8_MEMBER(quizpun2_state::irq_ack) { m_maincpu->set_input_line(INPUT_LINE_IRQ0, CLEAR_LINE); } WRITE8_MEMBER(quizpun2_state::soundlatch_w) { m_soundlatch->write(space, 0, data ^ 0x80); m_audiocpu->set_input_line(INPUT_LINE_NMI, PULSE_LINE); } static ADDRESS_MAP_START( quizpun2_map, AS_PROGRAM, 8, quizpun2_state ) AM_RANGE( 0x0000, 0x7fff ) AM_ROM AM_RANGE( 0x8000, 0x9fff ) AM_ROMBANK("bank1") AM_RANGE( 0xa000, 0xbfff ) AM_RAM_WRITE(fg_ram_w) AM_SHARE("fg_ram") AM_RANGE( 0xc000, 0xcfff ) AM_RAM_WRITE(bg_ram_w) AM_SHARE("bg_ram") AM_RANGE( 0xd000, 0xd3ff ) AM_RAM_DEVWRITE("palette", palette_device, write) AM_SHARE("palette") AM_RANGE( 0xe000, 0xffff ) AM_RAM ADDRESS_MAP_END static ADDRESS_MAP_START( common_io_map, AS_IO, 8, quizpun2_state ) ADDRESS_MAP_GLOBAL_MASK(0xff) AM_RANGE( 0x40, 0x40 ) AM_WRITE(irq_ack) AM_RANGE( 0x50, 0x50 ) AM_WRITE(soundlatch_w) AM_RANGE( 0x60, 0x60 ) AM_WRITE(rombank_w) AM_RANGE( 0x70, 0x70 ) AM_WRITE(scroll_w) AM_RANGE( 0x80, 0x80 ) AM_READ_PORT( "DSW" ) AM_RANGE( 0x90, 0x90 ) AM_READ_PORT( "IN0" ) AM_RANGE( 0xa0, 0xa0 ) AM_READ_PORT( "IN1" ) ADDRESS_MAP_END static ADDRESS_MAP_START( quizpun2_io_map, AS_IO, 8, quizpun2_state ) AM_IMPORT_FROM( common_io_map ) AM_RANGE( 0xe0, 0xe0 ) AM_READWRITE(quizpun2_protection_r, quizpun2_protection_w) ADDRESS_MAP_END // quizpun READ8_MEMBER(quizpun2_state::quizpun_protection_r) { // logerror("%s: port A read %02x\n", machine().describe_context(), m_port_a); /* Upon reading this port the main cpu is stalled until the mcu provides the value to read and explicitly un-stalls the z80. Is this possible under the current MAME architecture? ** ghastly hack ** The first read stalls the main cpu and triggers the mcu, it returns an incorrect value. It also decrements the main cpu PC back to the start of the read instruction. When the mcu un-stalls the Z80, the read happens again, returning the correct mcu-provided value this time */ if (m_quizpun_repeat) { m_quizpun_repeat = false; } else { m_quizpun_pending = true; m_quizpun_written = false; m_maincpu->set_input_line(INPUT_LINE_HALT, ASSERT_LINE); m_maincpu->yield(); m_maincpu->set_state_int(Z80_PC, m_maincpu->state_int(Z80_PC) - 2); m_quizpun_repeat = true; } return m_port_a; } WRITE8_MEMBER(quizpun2_state::quizpun_protection_w) { // logerror("%s: port A write %02x\n", machine().describe_context(), data); m_port_a = data; m_quizpun_pending = true; m_quizpun_written = true; m_maincpu->set_input_line(INPUT_LINE_HALT, ASSERT_LINE); m_maincpu->yield(); } static ADDRESS_MAP_START( quizpun_io_map, AS_IO, 8, quizpun2_state ) AM_IMPORT_FROM( common_io_map ) AM_RANGE( 0xe0, 0xe0 ) AM_READWRITE(quizpun_protection_r, quizpun_protection_w ) ADDRESS_MAP_END /*************************************************************************** Memory Maps - MCU ***************************************************************************/ // Port A - I/O with main cpu (data) READ8_MEMBER(quizpun2_state::quizpun_68705_port_a_r) { // logerror("%s: port A read %02x\n", machine().describe_context(), m_port_a); return m_port_a; } WRITE8_MEMBER(quizpun2_state::quizpun_68705_port_a_w) { // logerror("%s: port A write %02x\n", machine().describe_context(), data); m_port_a = data; } // Port B - I/O with main cpu (status) READ8_MEMBER(quizpun2_state::quizpun_68705_port_b_r) { // bit 3: 0 = pending // bit 1: 0 = main cpu has written // bit 0: 0 = main cpu is reading uint8_t const ret = 0xf4 | ( m_quizpun_pending ? 0 : (1 << 3)) | ((m_quizpun_pending && m_quizpun_written) ? 0 : (1 << 1)) | ((m_quizpun_pending && !m_quizpun_written) ? 0 : (1 << 0)); // logerror("%s: port B read %02x\n", machine().describe_context(), ret); return ret; } WRITE8_MEMBER(quizpun2_state::quizpun_68705_port_b_w) { // logerror("%s: port B write %02x\n", machine().describe_context(), data); // bit 2: 0->1 run main cpu if (!BIT(m_port_b, 2) && BIT(data, 2)) { m_quizpun_pending = false; m_maincpu->set_input_line(INPUT_LINE_HALT, CLEAR_LINE); } m_port_b = data; } // Port C - EEPROM READ8_MEMBER(quizpun2_state::quizpun_68705_port_c_r) { uint8_t const ret = 0xf7 | (m_eeprom->do_read() ? 0x08 : 0x00); // logerror("%s: port C read %02x\n", machine().describe_context(), ret); return ret; } WRITE8_MEMBER(quizpun2_state::quizpun_68705_port_c_w) { // latch the bit m_eeprom->di_write(BIT(data, 2)); // reset line asserted: reset. m_eeprom->cs_write(BIT(data, 1) ? ASSERT_LINE : CLEAR_LINE); // clock line asserted: write latch or select next bit to read m_eeprom->clk_write(BIT(data, 0) ? ASSERT_LINE : CLEAR_LINE); // logerror("%s: port C write %02x\n", machine().describe_context(), data); } /*************************************************************************** Memory Maps - Sound CPU ***************************************************************************/ static ADDRESS_MAP_START( quizpun2_sound_map, AS_PROGRAM, 8, quizpun2_state ) AM_RANGE( 0x0000, 0xf7ff ) AM_ROM AM_RANGE( 0xf800, 0xffff ) AM_RAM ADDRESS_MAP_END static ADDRESS_MAP_START( quizpun2_sound_io_map, AS_IO, 8, quizpun2_state ) ADDRESS_MAP_GLOBAL_MASK(0xff) AM_RANGE( 0x00, 0x00 ) AM_WRITENOP // IRQ end AM_RANGE( 0x20, 0x20 ) AM_WRITENOP // NMI end AM_RANGE( 0x40, 0x40 ) AM_DEVREAD("soundlatch", generic_latch_8_device, read) AM_RANGE( 0x60, 0x61 ) AM_DEVREADWRITE("ymsnd", ym2203_device, read, write) ADDRESS_MAP_END /*************************************************************************** Input Ports ***************************************************************************/ static INPUT_PORTS_START( quizpun2 ) PORT_START("DSW") PORT_SERVICE( 0x01, IP_ACTIVE_LOW ) PORT_DIPUNKNOWN( 0x02, 0x02 ) PORT_DIPNAME( 0x0c, 0x0c, DEF_STR( Coinage ) ) PORT_DIPSETTING( 0x00, DEF_STR( 3C_1C ) ) PORT_DIPSETTING( 0x04, DEF_STR( 2C_1C ) ) PORT_DIPSETTING( 0x0c, DEF_STR( 1C_1C ) ) PORT_DIPSETTING( 0x08, DEF_STR( 1C_2C ) ) PORT_DIPNAME( 0x30, 0x30, "Play Time" ) PORT_DIPSETTING( 0x30, "6" ) PORT_DIPSETTING( 0x20, "7" ) PORT_DIPSETTING( 0x10, "8" ) PORT_DIPSETTING( 0x00, "9" ) PORT_DIPNAME( 0xc0, 0xc0, DEF_STR( Lives ) ) PORT_DIPSETTING( 0xc0, "2" ) PORT_DIPSETTING( 0x80, "3" ) PORT_DIPSETTING( 0x40, "4" ) PORT_DIPSETTING( 0x00, "5" ) PORT_START("IN0") // port $90 PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(2) PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_PLAYER(2) PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_BUTTON3 ) PORT_PLAYER(2) PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_BUTTON4 ) PORT_PLAYER(2) PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(1) PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_PLAYER(1) PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_BUTTON3 ) PORT_PLAYER(1) PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_BUTTON4 ) PORT_PLAYER(1) PORT_START("IN1") // port $a0 PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_UNKNOWN ) PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_COIN1 ) PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_START2 ) PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_START1 ) PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_UNKNOWN ) PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_UNKNOWN ) PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNKNOWN ) PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNKNOWN ) INPUT_PORTS_END /*************************************************************************** Graphics Layout ***************************************************************************/ static const gfx_layout layout_16x16x4 = { 16, 16, RGN_FRAC(1, 1), 4, { STEP4(0,1) }, { 4*1,4*0, 4*3,4*2, 4*5,4*4, 4*7,4*6, 4*9,4*8, 4*11,4*10, 4*13,4*12, 4*15,4*14 }, { STEP16(0,16*4) }, 16*16*4 }; static const gfx_layout layout_16x16x1 = { 16, 16, RGN_FRAC(1, 1), 1, { 0 }, { STEP8(7*1,-1),STEP8(15*1,-1) }, { STEP16(0,16*1) }, 16*16*1 }; static GFXDECODE_START( quizpun2 ) GFXDECODE_ENTRY( "bg", 0, layout_16x16x4, 0, 256/16 ) GFXDECODE_ENTRY( "fg", 0, layout_16x16x1, 0x100, 256/2 ) GFXDECODE_ENTRY( "fg2", 0, layout_16x16x1, 0x100, 256/2 ) GFXDECODE_END /*************************************************************************** Machine Drivers ***************************************************************************/ static MACHINE_CONFIG_START( quizpun2 ) /* basic machine hardware */ MCFG_CPU_ADD("maincpu", Z80, XTAL_8MHz / 2) // 4 MHz MCFG_CPU_PROGRAM_MAP(quizpun2_map) MCFG_CPU_IO_MAP(quizpun2_io_map) MCFG_CPU_VBLANK_INT_DRIVER("screen", quizpun2_state, irq0_line_hold) MCFG_CPU_ADD("audiocpu", Z80, XTAL_8MHz / 2) // 4 MHz MCFG_CPU_PROGRAM_MAP(quizpun2_sound_map) MCFG_CPU_IO_MAP(quizpun2_sound_io_map) MCFG_CPU_VBLANK_INT_DRIVER("screen", quizpun2_state, irq0_line_hold) // NMI generated by main CPU MCFG_EEPROM_SERIAL_93C46_ADD("eeprom") /* video hardware */ MCFG_SCREEN_ADD("screen", RASTER) MCFG_SCREEN_REFRESH_RATE(60) MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(0)) MCFG_SCREEN_SIZE(384, 256) MCFG_SCREEN_VISIBLE_AREA(0, 384-1, 0, 256-1) MCFG_SCREEN_UPDATE_DRIVER(quizpun2_state, screen_update_quizpun2) MCFG_SCREEN_PALETTE("palette") MCFG_GFXDECODE_ADD("gfxdecode", "palette", quizpun2) MCFG_PALETTE_ADD("palette", 0x200) MCFG_PALETTE_FORMAT(xRRRRRGGGGGBBBBB) /* sound hardware */ MCFG_SPEAKER_STANDARD_MONO("mono") MCFG_GENERIC_LATCH_8_ADD("soundlatch") MCFG_SOUND_ADD("ymsnd", YM2203, XTAL_8MHz / 2) // 4 MHz MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.0) MACHINE_CONFIG_END static MACHINE_CONFIG_DERIVED( quizpun, quizpun2 ) MCFG_CPU_MODIFY("maincpu") MCFG_CPU_IO_MAP(quizpun_io_map) MCFG_CPU_ADD("mcu", M68705P5, XTAL_4MHz) // xtal is 4MHz, divided by 4 internally MCFG_M68705_PORTA_R_CB(READ8(quizpun2_state, quizpun_68705_port_a_r)) MCFG_M68705_PORTB_R_CB(READ8(quizpun2_state, quizpun_68705_port_b_r)) MCFG_M68705_PORTC_R_CB(READ8(quizpun2_state, quizpun_68705_port_c_r)) MCFG_M68705_PORTA_W_CB(WRITE8(quizpun2_state, quizpun_68705_port_a_w)) MCFG_M68705_PORTB_W_CB(WRITE8(quizpun2_state, quizpun_68705_port_b_w)) MCFG_M68705_PORTC_W_CB(WRITE8(quizpun2_state, quizpun_68705_port_c_w)) MACHINE_CONFIG_END /*************************************************************************** ROMs Loading ***************************************************************************/ ROM_START( quizpun2 ) ROM_REGION( 0x50000, "maincpu", 0 ) ROM_LOAD( "u111", 0x00000, 0x08000, CRC(14bdaffc) SHA1(7fb5988ea565d7cbe3c8e2cdb9402d3cf81507d7) ) ROM_LOAD( "u117", 0x10000, 0x10000, CRC(e9d1d05e) SHA1(c24104e023d12db8c9199d3e18750414aa511e40) ) ROM_LOAD( "u118", 0x20000, 0x10000, CRC(1f232707) SHA1(3f5f44611f25c556521333f15daf3e2128cc1538) BAD_DUMP ) // fails rom check ROM_LOAD( "u119", 0x30000, 0x10000, CRC(c73b82f7) SHA1(d5c683440e9db46dd5859b519b3f32da80352626) ) ROM_LOAD( "u120", 0x40000, 0x10000, CRC(700648b8) SHA1(dfa824166dfe7361d7c2ab0d8aa1ada882916cb9) ) ROM_REGION( 0x10000, "audiocpu", 0 ) ROM_LOAD( "u22", 0x00000, 0x10000, CRC(f40768b5) SHA1(4410f71850357ec1d10a3a114bb540966e72781b) ) ROM_REGION( 0x1000, "mcu", 0 ) ROM_LOAD( "mcu.bin", 0x0000, 0x1000, NO_DUMP ) ROM_REGION( 0x40000, "bg", 0 ) // 16x16x8 ROM_LOAD( "u21", 0x00000, 0x10000, CRC(8ac86759) SHA1(2eac9ceee4462ce905aa08ff4f5a6215e0b6672f) ) ROM_LOAD( "u20", 0x10000, 0x10000, CRC(67640a46) SHA1(5b33850afbb89db9ce9044a578423bfe3a55420d) ) ROM_LOAD( "u29", 0x20000, 0x10000, CRC(cd8ff05b) SHA1(25e5be914fe49ff96a3c04de0c0e266a79068930) ) ROM_LOAD( "u30", 0x30000, 0x10000, CRC(8612b443) SHA1(1033a378b21023eca471f43309d49461494b5ea1) ) ROM_REGION( 0x6000, "fg", 0 ) // 16x16x1 ROM_LOAD( "u26", 0x1000, 0x1000, CRC(151de8af) SHA1(2159ab030043e69d63cc9fbbc772f5bae8ab3f9d) ) ROM_CONTINUE( 0x0000, 0x1000 ) ROM_LOAD( "u27", 0x3000, 0x1000, CRC(2afdafea) SHA1(4c116a1e8a91f2e309646063139763b837e24bc7) ) ROM_CONTINUE( 0x2000, 0x1000 ) ROM_LOAD( "u28", 0x5000, 0x1000, CRC(c8bd85ad) SHA1(e7f0882f669edea1bb4634c263872f63da6a3290) ) // 1ST HALF = xx00 ROM_CONTINUE( 0x4000, 0x1000 ) ROM_REGION( 0x20000, "fg2", 0 ) // 16x16x1 ROM_LOAD( "u1", 0x00000, 0x10000, CRC(58506040) SHA1(9d8bed2585e8f188a20270fccd9cfbdb91e48599) ) ROM_LOAD( "u2", 0x10000, 0x10000, CRC(9294a19c) SHA1(cd7109262e5f68b946c84aa390108bcc47ee1300) ) ROM_REGION16_BE( 0x80, "eeprom", 0 ) // EEPROM (tied to the unknown DIP40) ROM_LOAD( "93c46", 0x00, 0x80, CRC(4d244cc8) SHA1(6593d5b7ac1ebb77fee4648ad1d3d9b59a25fdc8) BAD_DUMP ) // backup ram error ROM_REGION( 0x2000, "unknown", 0 ) ROM_LOAD( "u2a", 0x0000, 0x2000, CRC(13afc2bd) SHA1(0d9c8813525dfc7a844e72d2cf84261db3d10a23) ) // 111xxxxxxxxxx = 0xFF ROM_END ROM_START( quizpun ) ROM_REGION( 0x50000, "maincpu", 0 ) ROM_LOAD( "15.u111", 0x00000, 0x08000, CRC(0ffe42d9) SHA1(f91e499800923d185a5d3514fc4c50e5c86378bf) ) ROM_LOAD( "11.u117", 0x10000, 0x10000, CRC(13541476) SHA1(5e81e4143fbc8fa68c2c7d54792a432e97964d7f) ) ROM_LOAD( "12.u118", 0x20000, 0x10000, CRC(678b57c1) SHA1(83869e5b6fe528c0b072f7d97338febc31db9f8b) ) ROM_LOAD( "13.u119", 0x30000, 0x10000, CRC(9c0ee0de) SHA1(14b148f3ca951a5a9010b4d253e3ba7d35708403) ) ROM_LOAD( "14.u120", 0x40000, 0x10000, CRC(21c11262) SHA1(e50678fafdf775a49ef96f8837b124824a2d1ca2) ) ROM_REGION( 0x10000, "audiocpu", 0 ) ROM_LOAD( "05.u22", 0x00000, 0x10000, CRC(515f337e) SHA1(21b2cca95b5da934fd8139892c2ee2c623d51a4e) ) ROM_REGION( 0x800, "mcu", 0 ) ROM_LOAD( "68705p5.bin", 0x000, 0x800, CRC(2e52bc67) SHA1(13ad4aee88c53c75c7cc1f31a149ba0234447f42) ) // in epoxy block ROM_REGION( 0x40000, "bg", 0 ) // 16x16x8 ROM_LOAD( "04.u21", 0x00000, 0x10000, CRC(fa8d64f4) SHA1(71badabf8f34f246dec83323a1cddbe74deb91bd) ) ROM_LOAD( "03.u20", 0x10000, 0x10000, CRC(8dda8167) SHA1(42838cf6866fb1d59c5bb3b477053aac448e7760) ) ROM_LOAD( "09.u29", 0x20000, 0x10000, CRC(b9f28569) SHA1(1395cd226d314ee57385eed25f28b68607bfda53) ) ROM_LOAD( "10.u30", 0x30000, 0x10000, CRC(db5762c0) SHA1(606dc4a3e6b8034f063f11dcf0a2b1db59838f4c) ) ROM_REGION( 0xc000, "fg", 0 ) // 16x16x1 ROM_LOAD( "06.u26", 0x1000, 0x1000, CRC(6d071b6d) SHA1(19565c8d768eeecd4119677915cc06f3ea18a47a) ) ROM_CONTINUE( 0x0000, 0x1000 ) ROM_LOAD( "07.u27", 0x3000, 0x1000, CRC(0f8b516e) SHA1(8bfabfd0bd28a1c7ddd01586fe9757b241feb59b) ) // FIXED BITS (xxxxxxx00xxxxxxx), BADADDR --xxxxxxxxxxxxx ROM_CONTINUE( 0x2000, 0x1000 ) ROM_CONTINUE( 0x6000, 0x6000 ) // ?? ROM_LOAD( "08.u28", 0x5000, 0x1000, CRC(51c0c5cb) SHA1(0c7bfc9b6b3ce0cdd5c0e36df2b4d90f9cff7fae) ) // FIXED BITS (0xxxxxx000000000), 111xxxxxxxxx1 = 0x00 ROM_CONTINUE( 0x4000, 0x1000 ) ROM_REGION( 0x20000, "fg2", 0 ) // 16x16x1 ROM_LOAD( "01.u1", 0x00000, 0x10000, CRC(58506040) SHA1(9d8bed2585e8f188a20270fccd9cfbdb91e48599) ) ROM_LOAD( "02.u2", 0x10000, 0x10000, CRC(9294a19c) SHA1(cd7109262e5f68b946c84aa390108bcc47ee1300) ) ROM_REGION16_BE( 0x80, "eeprom", 0 ) ROM_LOAD( "93c46eeprom.bin", 0, 0x80, CRC(4d244cc8) SHA1(6593d5b7ac1ebb77fee4648ad1d3d9b59a25fdc8) BAD_DUMP ) // backup ram error ROM_END GAME( 1988, quizpun, 0, quizpun, quizpun2, quizpun2_state, 0, ROT270, "Space Computer", "Quiz Punch", MACHINE_NOT_WORKING | MACHINE_IMPERFECT_GRAPHICS | MACHINE_IMPERFECT_SOUND ) GAME( 1989, quizpun2, 0, quizpun2, quizpun2, quizpun2_state, 0, ROT270, "Space Computer", "Quiz Punch II", MACHINE_NOT_WORKING | MACHINE_IMPERFECT_GRAPHICS | MACHINE_IMPERFECT_SOUND | MACHINE_UNEMULATED_PROTECTION )