// license:BSD-3-Clause // copyright-holders:Wilbert Pol, Robbbert /*************************************************************************** Driver file to handle emulation of the Tiger Game.com by Wilbert Pol. Various improvements by Robbbert. Todo: - Fix cpu and system problems that prevent the games from working fully. - RS232 port - Sound ports 1,2 do not sound anything like the real thing - Sound port 3 (noise channel) - Sound dac port (mostly works but is the wrong speed in some places) Game Status: - Inbuilt ROM and PDA functions all work - On the screen where the cart goes into the slot, there are vertical bands of randomness - Due to an irritating message, the NVRAM is commented out in the machine config - All carts appear to work except: - - Henry: crash just after "HENRY" button clicked - - Lost World: freeze just after entering Stage 2 (the nest) - Weblink and Internet are of no use as there is nothing to connect to. ***************************************************************************/ #include "emu.h" #include "includes/gamecom.h" #include "sound/volt_reg.h" #include "screen.h" #include "softlist.h" #include "speaker.h" #include "gamecom.lh" void gamecom_state::gamecom_mem_map(address_map &map) { map(0x0000, 0x0013).ram().region("maincpu", 0x00); map(0x0014, 0x0017).rw(this, FUNC(gamecom_state::gamecom_pio_r), FUNC(gamecom_state::gamecom_pio_w)); // buttons map(0x0018, 0x001F).ram().region("maincpu", 0x18); map(0x0020, 0x007F).rw(this, FUNC(gamecom_state::gamecom_internal_r), FUNC(gamecom_state::gamecom_internal_w));/* CPU internal register file */ map(0x0080, 0x03FF).ram().region("maincpu", 0x80); /* RAM */ map(0x0400, 0x0FFF).noprw(); /* Nothing */ map(0x1000, 0x1FFF).rom(); /* Internal ROM (initially), or External ROM/Flash. Controlled by MMU0 (never swapped out in game.com) */ map(0x2000, 0x3FFF).bankr("bank1"); /* External ROM/Flash. Controlled by MMU1 */ map(0x4000, 0x5FFF).bankr("bank2"); /* External ROM/Flash. Controlled by MMU2 */ map(0x6000, 0x7FFF).bankr("bank3"); /* External ROM/Flash. Controlled by MMU3 */ map(0x8000, 0x9FFF).bankr("bank4"); /* External ROM/Flash. Controlled by MMU4 */ map(0xA000, 0xDFFF).ram().share("videoram"); /* VRAM */ map(0xE000, 0xFFFF).ram().share("nvram"); /* Extended I/O, Extended RAM */ } static INPUT_PORTS_START( gamecom ) PORT_START("IN0") PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_NAME( "Up" ) PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_NAME( "Down" ) PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_NAME( "Left" ) PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_NAME( "Right" ) PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_OTHER ) PORT_NAME( "Menu" ) PORT_CODE( KEYCODE_M ) PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_OTHER ) PORT_NAME( DEF_STR(Pause) ) PORT_CODE( KEYCODE_V ) PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_OTHER ) PORT_NAME( "Sound" ) PORT_CODE( KEYCODE_S ) PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_NAME( "Button A" ) PORT_CODE( KEYCODE_A ) PORT_CODE( KEYCODE_LCONTROL ) PORT_START("IN1") PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_NAME( "Button B" ) PORT_CODE( KEYCODE_B ) PORT_CODE( KEYCODE_LALT ) PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_BUTTON3 ) PORT_NAME( "Button C" ) PORT_CODE( KEYCODE_C ) PORT_CODE( KEYCODE_SPACE ) PORT_START("IN2") PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_OTHER ) PORT_NAME( "Reset" ) PORT_CODE( KEYCODE_N ) PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_BUTTON4 ) PORT_NAME( "Button D" ) PORT_CODE( KEYCODE_D ) PORT_CODE( KEYCODE_LSHIFT ) PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_OTHER ) PORT_NAME( "Stylus press" ) PORT_CODE( KEYCODE_Z ) PORT_CODE( MOUSECODE_BUTTON1 ) PORT_START("GRID.0") PORT_BIT( 0x001, IP_ACTIVE_HIGH, IPT_OTHER) PORT_BIT( 0x002, IP_ACTIVE_HIGH, IPT_OTHER) PORT_BIT( 0x004, IP_ACTIVE_HIGH, IPT_OTHER) PORT_BIT( 0x008, IP_ACTIVE_HIGH, IPT_OTHER) PORT_BIT( 0x010, IP_ACTIVE_HIGH, IPT_OTHER) PORT_BIT( 0x020, IP_ACTIVE_HIGH, IPT_OTHER) PORT_BIT( 0x040, IP_ACTIVE_HIGH, IPT_OTHER) PORT_BIT( 0x080, IP_ACTIVE_HIGH, IPT_OTHER) PORT_BIT( 0x100, IP_ACTIVE_HIGH, IPT_OTHER) PORT_BIT( 0x200, IP_ACTIVE_HIGH, IPT_OTHER) PORT_START("GRID.1") PORT_BIT( 0x001, IP_ACTIVE_HIGH, IPT_OTHER) PORT_BIT( 0x002, IP_ACTIVE_HIGH, IPT_OTHER) PORT_BIT( 0x004, IP_ACTIVE_HIGH, IPT_OTHER) PORT_BIT( 0x008, IP_ACTIVE_HIGH, IPT_OTHER) PORT_BIT( 0x010, IP_ACTIVE_HIGH, IPT_OTHER) PORT_BIT( 0x020, IP_ACTIVE_HIGH, IPT_OTHER) PORT_BIT( 0x040, IP_ACTIVE_HIGH, IPT_OTHER) PORT_BIT( 0x080, IP_ACTIVE_HIGH, IPT_OTHER) PORT_BIT( 0x100, IP_ACTIVE_HIGH, IPT_OTHER) PORT_BIT( 0x200, IP_ACTIVE_HIGH, IPT_OTHER) PORT_START("GRID.2") PORT_BIT( 0x001, IP_ACTIVE_HIGH, IPT_OTHER) PORT_BIT( 0x002, IP_ACTIVE_HIGH, IPT_OTHER) PORT_BIT( 0x004, IP_ACTIVE_HIGH, IPT_OTHER) PORT_BIT( 0x008, IP_ACTIVE_HIGH, IPT_OTHER) PORT_BIT( 0x010, IP_ACTIVE_HIGH, IPT_OTHER) PORT_BIT( 0x020, IP_ACTIVE_HIGH, IPT_OTHER) PORT_BIT( 0x040, IP_ACTIVE_HIGH, IPT_OTHER) PORT_BIT( 0x080, IP_ACTIVE_HIGH, IPT_OTHER) PORT_BIT( 0x100, IP_ACTIVE_HIGH, IPT_OTHER) PORT_BIT( 0x200, IP_ACTIVE_HIGH, IPT_OTHER) PORT_START("GRID.3") PORT_BIT( 0x001, IP_ACTIVE_HIGH, IPT_OTHER) PORT_BIT( 0x002, IP_ACTIVE_HIGH, IPT_OTHER) PORT_BIT( 0x004, IP_ACTIVE_HIGH, IPT_OTHER) PORT_BIT( 0x008, IP_ACTIVE_HIGH, IPT_OTHER) PORT_BIT( 0x010, IP_ACTIVE_HIGH, IPT_OTHER) PORT_BIT( 0x020, IP_ACTIVE_HIGH, IPT_OTHER) PORT_BIT( 0x040, IP_ACTIVE_HIGH, IPT_OTHER) PORT_BIT( 0x080, IP_ACTIVE_HIGH, IPT_OTHER) PORT_BIT( 0x100, IP_ACTIVE_HIGH, IPT_OTHER) PORT_BIT( 0x200, IP_ACTIVE_HIGH, IPT_OTHER) PORT_START("GRID.4") PORT_BIT( 0x001, IP_ACTIVE_HIGH, IPT_OTHER) PORT_BIT( 0x002, IP_ACTIVE_HIGH, IPT_OTHER) PORT_BIT( 0x004, IP_ACTIVE_HIGH, IPT_OTHER) PORT_BIT( 0x008, IP_ACTIVE_HIGH, IPT_OTHER) PORT_BIT( 0x010, IP_ACTIVE_HIGH, IPT_OTHER) PORT_BIT( 0x020, IP_ACTIVE_HIGH, IPT_OTHER) PORT_BIT( 0x040, IP_ACTIVE_HIGH, IPT_OTHER) PORT_BIT( 0x080, IP_ACTIVE_HIGH, IPT_OTHER) PORT_BIT( 0x100, IP_ACTIVE_HIGH, IPT_OTHER) PORT_BIT( 0x200, IP_ACTIVE_HIGH, IPT_OTHER) PORT_START("GRID.5") PORT_BIT( 0x001, IP_ACTIVE_HIGH, IPT_OTHER) PORT_BIT( 0x002, IP_ACTIVE_HIGH, IPT_OTHER) PORT_BIT( 0x004, IP_ACTIVE_HIGH, IPT_OTHER) PORT_BIT( 0x008, IP_ACTIVE_HIGH, IPT_OTHER) PORT_BIT( 0x010, IP_ACTIVE_HIGH, IPT_OTHER) PORT_BIT( 0x020, IP_ACTIVE_HIGH, IPT_OTHER) PORT_BIT( 0x040, IP_ACTIVE_HIGH, IPT_OTHER) PORT_BIT( 0x080, IP_ACTIVE_HIGH, IPT_OTHER) PORT_BIT( 0x100, IP_ACTIVE_HIGH, IPT_OTHER) PORT_BIT( 0x200, IP_ACTIVE_HIGH, IPT_OTHER) PORT_START("GRID.6") PORT_BIT( 0x001, IP_ACTIVE_HIGH, IPT_OTHER) PORT_BIT( 0x002, IP_ACTIVE_HIGH, IPT_OTHER) PORT_BIT( 0x004, IP_ACTIVE_HIGH, IPT_OTHER) PORT_BIT( 0x008, IP_ACTIVE_HIGH, IPT_OTHER) PORT_BIT( 0x010, IP_ACTIVE_HIGH, IPT_OTHER) PORT_BIT( 0x020, IP_ACTIVE_HIGH, IPT_OTHER) PORT_BIT( 0x040, IP_ACTIVE_HIGH, IPT_OTHER) PORT_BIT( 0x080, IP_ACTIVE_HIGH, IPT_OTHER) PORT_BIT( 0x100, IP_ACTIVE_HIGH, IPT_OTHER) PORT_BIT( 0x200, IP_ACTIVE_HIGH, IPT_OTHER) PORT_START("GRID.7") PORT_BIT( 0x001, IP_ACTIVE_HIGH, IPT_OTHER) PORT_BIT( 0x002, IP_ACTIVE_HIGH, IPT_OTHER) PORT_BIT( 0x004, IP_ACTIVE_HIGH, IPT_OTHER) PORT_BIT( 0x008, IP_ACTIVE_HIGH, IPT_OTHER) PORT_BIT( 0x010, IP_ACTIVE_HIGH, IPT_OTHER) PORT_BIT( 0x020, IP_ACTIVE_HIGH, IPT_OTHER) PORT_BIT( 0x040, IP_ACTIVE_HIGH, IPT_OTHER) PORT_BIT( 0x080, IP_ACTIVE_HIGH, IPT_OTHER) PORT_BIT( 0x100, IP_ACTIVE_HIGH, IPT_OTHER) PORT_BIT( 0x200, IP_ACTIVE_HIGH, IPT_OTHER) PORT_START("GRID.8") PORT_BIT( 0x001, IP_ACTIVE_HIGH, IPT_OTHER) PORT_BIT( 0x002, IP_ACTIVE_HIGH, IPT_OTHER) PORT_BIT( 0x004, IP_ACTIVE_HIGH, IPT_OTHER) PORT_BIT( 0x008, IP_ACTIVE_HIGH, IPT_OTHER) PORT_BIT( 0x010, IP_ACTIVE_HIGH, IPT_OTHER) PORT_BIT( 0x020, IP_ACTIVE_HIGH, IPT_OTHER) PORT_BIT( 0x040, IP_ACTIVE_HIGH, IPT_OTHER) PORT_BIT( 0x080, IP_ACTIVE_HIGH, IPT_OTHER) PORT_BIT( 0x100, IP_ACTIVE_HIGH, IPT_OTHER) PORT_BIT( 0x200, IP_ACTIVE_HIGH, IPT_OTHER) PORT_START("GRID.9") PORT_BIT( 0x001, IP_ACTIVE_HIGH, IPT_OTHER) PORT_BIT( 0x002, IP_ACTIVE_HIGH, IPT_OTHER) PORT_BIT( 0x004, IP_ACTIVE_HIGH, IPT_OTHER) PORT_BIT( 0x008, IP_ACTIVE_HIGH, IPT_OTHER) PORT_BIT( 0x010, IP_ACTIVE_HIGH, IPT_OTHER) PORT_BIT( 0x020, IP_ACTIVE_HIGH, IPT_OTHER) PORT_BIT( 0x040, IP_ACTIVE_HIGH, IPT_OTHER) PORT_BIT( 0x080, IP_ACTIVE_HIGH, IPT_OTHER) PORT_BIT( 0x100, IP_ACTIVE_HIGH, IPT_OTHER) PORT_BIT( 0x200, IP_ACTIVE_HIGH, IPT_OTHER) PORT_START("GRID.10") PORT_BIT( 0x001, IP_ACTIVE_HIGH, IPT_OTHER) PORT_BIT( 0x002, IP_ACTIVE_HIGH, IPT_OTHER) PORT_BIT( 0x004, IP_ACTIVE_HIGH, IPT_OTHER) PORT_BIT( 0x008, IP_ACTIVE_HIGH, IPT_OTHER) PORT_BIT( 0x010, IP_ACTIVE_HIGH, IPT_OTHER) PORT_BIT( 0x020, IP_ACTIVE_HIGH, IPT_OTHER) PORT_BIT( 0x040, IP_ACTIVE_HIGH, IPT_OTHER) PORT_BIT( 0x080, IP_ACTIVE_HIGH, IPT_OTHER) PORT_BIT( 0x100, IP_ACTIVE_HIGH, IPT_OTHER) PORT_BIT( 0x200, IP_ACTIVE_HIGH, IPT_OTHER) PORT_START("GRID.11") PORT_BIT( 0x001, IP_ACTIVE_HIGH, IPT_OTHER) PORT_BIT( 0x002, IP_ACTIVE_HIGH, IPT_OTHER) PORT_BIT( 0x004, IP_ACTIVE_HIGH, IPT_OTHER) PORT_BIT( 0x008, IP_ACTIVE_HIGH, IPT_OTHER) PORT_BIT( 0x010, IP_ACTIVE_HIGH, IPT_OTHER) PORT_BIT( 0x020, IP_ACTIVE_HIGH, IPT_OTHER) PORT_BIT( 0x040, IP_ACTIVE_HIGH, IPT_OTHER) PORT_BIT( 0x080, IP_ACTIVE_HIGH, IPT_OTHER) PORT_BIT( 0x100, IP_ACTIVE_HIGH, IPT_OTHER) PORT_BIT( 0x200, IP_ACTIVE_HIGH, IPT_OTHER) PORT_START("GRID.12") PORT_BIT( 0x001, IP_ACTIVE_HIGH, IPT_OTHER) PORT_BIT( 0x002, IP_ACTIVE_HIGH, IPT_OTHER) PORT_BIT( 0x004, IP_ACTIVE_HIGH, IPT_OTHER) PORT_BIT( 0x008, IP_ACTIVE_HIGH, IPT_OTHER) PORT_BIT( 0x010, IP_ACTIVE_HIGH, IPT_OTHER) PORT_BIT( 0x020, IP_ACTIVE_HIGH, IPT_OTHER) PORT_BIT( 0x040, IP_ACTIVE_HIGH, IPT_OTHER) PORT_BIT( 0x080, IP_ACTIVE_HIGH, IPT_OTHER) PORT_BIT( 0x100, IP_ACTIVE_HIGH, IPT_OTHER) PORT_BIT( 0x200, IP_ACTIVE_HIGH, IPT_OTHER) INPUT_PORTS_END PALETTE_INIT_MEMBER(gamecom_state, gamecom) { palette.set_pen_color(0, 0x00, 0x00, 0x00 ); // Black palette.set_pen_color(1, 0x0F, 0x4F, 0x2F ); // Gray 1 palette.set_pen_color(2, 0x6F, 0x8F, 0x4F ); // Gray 2 palette.set_pen_color(3, 0x8F, 0xCF, 0x8F ); // Grey 3 palette.set_pen_color(4, 0xDF, 0xFF, 0x8F ); // White } uint32_t gamecom_state::screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect) { copybitmap(bitmap, m_bitmap, 0, 0, 0, 0, cliprect); return 0; } INTERRUPT_GEN_MEMBER(gamecom_state::gamecom_interrupt) { m_maincpu->set_input_line(sm8500_cpu_device::LCDC_INT, ASSERT_LINE ); } MACHINE_CONFIG_START(gamecom_state::gamecom) /* basic machine hardware */ MCFG_DEVICE_ADD( "maincpu", SM8500, XTAL(11'059'200)/2 ) /* actually it's an sm8521 microcontroller containing an sm8500 cpu */ MCFG_DEVICE_PROGRAM_MAP( gamecom_mem_map) MCFG_SM8500_DMA_CB( WRITE8( *this, gamecom_state, gamecom_handle_dma ) ) MCFG_SM8500_TIMER_CB( WRITE8( *this, gamecom_state, gamecom_update_timers ) ) MCFG_DEVICE_VBLANK_INT_DRIVER("screen", gamecom_state, gamecom_interrupt) MCFG_QUANTUM_TIME(attotime::from_hz(60)) //MCFG_NVRAM_ADD_0FILL("nvram") /* video hardware */ MCFG_SCREEN_ADD("screen", LCD) MCFG_SCREEN_REFRESH_RATE( 59.732155 ) MCFG_SCREEN_VBLANK_TIME(500) MCFG_SCREEN_UPDATE_DRIVER(gamecom_state, screen_update) MCFG_SCREEN_SIZE( 200, 160 ) MCFG_SCREEN_VISIBLE_AREA( 0, 199, 0, 159 ) MCFG_SCREEN_PALETTE("palette") MCFG_DEFAULT_LAYOUT(layout_gamecom) MCFG_PALETTE_ADD("palette", 5) MCFG_PALETTE_INIT_OWNER(gamecom_state, gamecom) /* sound hardware */ SPEAKER(config, "speaker").front_center(); /* TODO: much more complex than this */ MCFG_DEVICE_ADD("dac", DAC_8BIT_R2R, 0) MCFG_SOUND_ROUTE(ALL_OUTPUTS, "speaker", 0.5) // unknown DAC (Digital audio) MCFG_DEVICE_ADD("dac0", DAC_4BIT_R2R, 0) MCFG_SOUND_ROUTE(ALL_OUTPUTS, "speaker", 0.05) // unknown DAC (Frequency modulation) MCFG_DEVICE_ADD("dac1", DAC_4BIT_R2R, 0) MCFG_SOUND_ROUTE(ALL_OUTPUTS, "speaker", 0.05) // unknown DAC (Frequency modulation) MCFG_DEVICE_ADD("vref", VOLTAGE_REGULATOR, 0) MCFG_VOLTAGE_REGULATOR_OUTPUT(5.0) MCFG_SOUND_ROUTE(0, "dac", 1.0, DAC_VREF_POS_INPUT) MCFG_SOUND_ROUTE(0, "dac", -1.0, DAC_VREF_NEG_INPUT) MCFG_SOUND_ROUTE(0, "dac0", 1.0, DAC_VREF_POS_INPUT) MCFG_SOUND_ROUTE(0, "dac0", -1.0, DAC_VREF_NEG_INPUT) MCFG_SOUND_ROUTE(0, "dac1", 1.0, DAC_VREF_POS_INPUT) MCFG_SOUND_ROUTE(0, "dac1", -1.0, DAC_VREF_NEG_INPUT) /* cartridge */ MCFG_GENERIC_CARTSLOT_ADD("cartslot1", generic_linear_slot, "gamecom_cart") MCFG_GENERIC_EXTENSIONS("bin,tgc") MCFG_GENERIC_LOAD(gamecom_state, gamecom_cart1) MCFG_GENERIC_CARTSLOT_ADD("cartslot2", generic_linear_slot, "gamecom_cart") MCFG_GENERIC_EXTENSIONS("bin,tgc") MCFG_GENERIC_LOAD(gamecom_state, gamecom_cart2) MCFG_SOFTWARE_LIST_ADD("cart_list","gamecom") MACHINE_CONFIG_END ROM_START( gamecom ) ROM_REGION( 0x2000, "maincpu", 0 ) ROM_LOAD( "internal.bin", 0x1000, 0x1000, CRC(a0cec361) SHA1(03368237e8fed4a8724f3b4a1596cf4b17c96d33) ) ROM_REGION( 0x40000, "kernel", 0 ) ROM_LOAD( "external.bin", 0x00000, 0x40000, CRC(e235a589) SHA1(97f782e72d738f4d7b861363266bf46b438d9b50) ) ROM_END // YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS CONS( 1997, gamecom, 0, 0, gamecom, gamecom, gamecom_state, init_gamecom, "Tiger", "Game.com", MACHINE_NOT_WORKING | MACHINE_IMPERFECT_SOUND)