/* Penguin Adventure bootleg Driver by Mariusz Wojcieszek This seems to be the MSX version possibly hacked to run on cheap Korean bootleg hardware. Basic components include..... Z80 @ 3.579533MHz [10.7386/3] TMS9128 @ 10.7386MHz AY-3-8910 @ 1.789766MHz [10.7386/6] 8255 4416 RAM x2 4164 RAM x8 10.7386 XTAL 10 position DIPSW NOTE! switches 1, 3 & 5 must be ON or the game will not boot. */ #include "emu.h" #include "cpu/z80/z80.h" #include "video/tms9928a.h" #include "sound/ay8910.h" #include "machine/i8255.h" class pengadvb_state : public driver_device { public: pengadvb_state(const machine_config &mconfig, device_type type, const char *tag) : driver_device(mconfig, type, tag) { } UINT8 *m_main_mem; UINT8 m_mem_map; UINT8 m_mem_banks[4]; }; static void mem_map_banks(running_machine &machine) { pengadvb_state *state = machine.driver_data(); int slot_select; // page 0 slot_select = (state->m_mem_map >> 0) & 0x03; switch(slot_select) { case 0: { machine.device("maincpu")->memory().space(AS_PROGRAM)->install_read_bank(0x0000, 0x3fff, "bank1" ); memory_set_bankptr(machine, "bank1", machine.region("maincpu")->base()); break; }; case 1: case 2: case 3: { machine.device("maincpu")->memory().space(AS_PROGRAM)->unmap_read(0x0000, 0x3fff); break; } } // page 1 slot_select = (state->m_mem_map >> 2) & 0x03; switch(slot_select) { case 0: { machine.device("maincpu")->memory().space(AS_PROGRAM)->install_read_bank(0x4000, 0x5fff, "bank21" ); machine.device("maincpu")->memory().space(AS_PROGRAM)->install_read_bank(0x6000, 0x7fff, "bank22" ); memory_set_bankptr(machine, "bank21", machine.region("maincpu")->base() + 0x4000); memory_set_bankptr(machine, "bank22", machine.region("maincpu")->base() + 0x4000 + 0x2000); break; } case 1: { machine.device("maincpu")->memory().space(AS_PROGRAM)->install_read_bank(0x4000, 0x5fff, "bank21" ); machine.device("maincpu")->memory().space(AS_PROGRAM)->install_read_bank(0x6000, 0x7fff, "bank22" ); memory_set_bankptr(machine, "bank21", machine.region("game")->base() + state->m_mem_banks[0]*0x2000); memory_set_bankptr(machine, "bank22", machine.region("game")->base() + state->m_mem_banks[1]*0x2000); break; } case 2: case 3: { machine.device("maincpu")->memory().space(AS_PROGRAM)->unmap_read(0x4000, 0x7fff); break; } } // page 2 slot_select = (state->m_mem_map >> 4) & 0x03; switch(slot_select) { case 1: { machine.device("maincpu")->memory().space(AS_PROGRAM)->install_read_bank(0x8000, 0x9fff, "bank31" ); machine.device("maincpu")->memory().space(AS_PROGRAM)->install_read_bank(0xa000, 0xbfff, "bank32" ); memory_set_bankptr(machine, "bank31", machine.region("game")->base() + state->m_mem_banks[2]*0x2000); memory_set_bankptr(machine, "bank32", machine.region("game")->base() + state->m_mem_banks[3]*0x2000); break; } case 0: case 2: case 3: { machine.device("maincpu")->memory().space(AS_PROGRAM)->unmap_read(0x8000, 0xbfff); break; } } // page 3 slot_select = (state->m_mem_map >> 6) & 0x03; switch(slot_select) { case 0: case 1: case 2: { machine.device("maincpu")->memory().space(AS_PROGRAM)->unmap_read(0xc000, 0xffff); break; } case 3: { machine.device("maincpu")->memory().space(AS_PROGRAM)->install_read_bank(0xc000, 0xffff, "bank4" ); memory_set_bankptr(machine, "bank4", state->m_main_mem); break; } } } static WRITE8_HANDLER(mem_w) { pengadvb_state *state = space->machine().driver_data(); if (offset >= 0xc000) { int slot_select = (state->m_mem_map >> 6) & 0x03; if ( slot_select == 3 ) { state->m_main_mem[offset - 0xc000] = data; } } else { switch(offset) { case 0x4000: state->m_mem_banks[0] = data; mem_map_banks(space->machine()); break; case 0x6000: state->m_mem_banks[1] = data; mem_map_banks(space->machine()); break; case 0x8000: state->m_mem_banks[2] = data; mem_map_banks(space->machine()); break; case 0xa000: state->m_mem_banks[3] = data; mem_map_banks(space->machine()); break; } } } static ADDRESS_MAP_START( program_mem, AS_PROGRAM, 8 ) AM_RANGE(0x0000, 0x3fff) AM_ROMBANK("bank1") AM_RANGE(0x4000, 0x5fff) AM_ROMBANK("bank21") AM_RANGE(0x6000, 0x7fff) AM_ROMBANK("bank22") AM_RANGE(0x8000, 0x9fff) AM_ROMBANK("bank31") AM_RANGE(0xa000, 0xbfff) AM_ROMBANK("bank32") AM_RANGE(0xc000, 0xffff) AM_ROMBANK("bank4") AM_RANGE(0x0000, 0xffff) AM_WRITE(mem_w) ADDRESS_MAP_END static ADDRESS_MAP_START( io_mem, AS_IO, 8 ) ADDRESS_MAP_UNMAP_HIGH ADDRESS_MAP_GLOBAL_MASK(0xff) AM_RANGE(0x98, 0x98) AM_DEVREADWRITE_MODERN( "tms9928a", tms9928a_device, vram_read, vram_write ) AM_RANGE(0x99, 0x99) AM_DEVREADWRITE_MODERN( "tms9928a", tms9928a_device, register_read, register_write ) AM_RANGE(0xa0, 0xa1) AM_DEVWRITE("aysnd", ay8910_address_data_w) AM_RANGE(0xa2, 0xa2) AM_DEVREAD("aysnd", ay8910_r) AM_RANGE(0xa8, 0xab) AM_DEVREADWRITE_MODERN("ppi8255", i8255_device, read, write) ADDRESS_MAP_END static INPUT_PORTS_START( pengadvb ) PORT_START("IN0") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_UP) PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN) PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT) PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT) PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_BUTTON1) PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_BUTTON2) PORT_BIT(0xc0, IP_ACTIVE_LOW, IPT_UNUSED) PORT_START("IN1") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_COIN1) PORT_IMPULSE(1) PORT_BIT(0xfe, IP_ACTIVE_LOW, IPT_UNUSED) INPUT_PORTS_END static READ8_DEVICE_HANDLER( pengadvb_psg_port_a_r ) { return input_port_read(device->machine(), "IN0"); } static const ay8910_interface pengadvb_ay8910_interface = { AY8910_LEGACY_OUTPUT, AY8910_DEFAULT_LOADS, DEVCB_HANDLER(pengadvb_psg_port_a_r), DEVCB_NULL, DEVCB_NULL, DEVCB_NULL }; static WRITE8_DEVICE_HANDLER ( pengadvb_ppi_port_a_w ) { pengadvb_state *state = device->machine().driver_data(); state->m_mem_map = data; mem_map_banks(device->machine()); } static READ8_DEVICE_HANDLER( pengadvb_ppi_port_b_r ) { i8255_device *ppi = device->machine().device("ppi8255"); address_space *space = device->machine().firstcpu->memory().space(AS_PROGRAM); if ((ppi->read(*space, 2) & 0x0f) == 0) return input_port_read(device->machine(), "IN1"); return 0xff; } static I8255A_INTERFACE(pengadvb_ppi8255_interface) { DEVCB_NULL, DEVCB_HANDLER(pengadvb_ppi_port_a_w), DEVCB_HANDLER(pengadvb_ppi_port_b_r), DEVCB_NULL, DEVCB_NULL, DEVCB_NULL }; static WRITE_LINE_DEVICE_HANDLER(vdp_interrupt) { cputag_set_input_line(device->machine(), "maincpu", 0, (state ? HOLD_LINE : CLEAR_LINE)); } static TMS9928A_INTERFACE(pengadvb_tms9928a_interface) { "screen", 0x4000, DEVCB_LINE(vdp_interrupt) }; static void pengadvb_postload(running_machine &machine) { mem_map_banks(machine); } static MACHINE_START( pengadvb ) { pengadvb_state *state = machine.driver_data(); state_save_register_global_pointer(machine, state->m_main_mem, 0x4000); state_save_register_global(machine, state->m_mem_map); state_save_register_global_array(machine, state->m_mem_banks); machine.save().register_postload(save_prepost_delegate(FUNC(pengadvb_postload), &machine)); } static MACHINE_RESET( pengadvb ) { pengadvb_state *state = machine.driver_data(); state->m_mem_map = 0; state->m_mem_banks[0] = state->m_mem_banks[1] = state->m_mem_banks[2] = state->m_mem_banks[3] = 0; mem_map_banks(machine); } static SCREEN_UPDATE( pengadvb ) { tms9928a_device *tms9928a = screen->machine().device( "tms9928a" ); tms9928a->update( bitmap, cliprect ); return 0; } static MACHINE_CONFIG_START( pengadvb, pengadvb_state ) MCFG_CPU_ADD("maincpu", Z80, XTAL_10_738635MHz/3) /* 3.579545 Mhz */ MCFG_CPU_PROGRAM_MAP(program_mem) MCFG_CPU_IO_MAP(io_mem) MCFG_MACHINE_START( pengadvb ) MCFG_MACHINE_RESET( pengadvb ) MCFG_I8255_ADD( "ppi8255", pengadvb_ppi8255_interface) /* video hardware */ MCFG_TMS9928A_ADD( "tms9928a", TMS9928A, pengadvb_tms9928a_interface ) MCFG_TMS9928A_SCREEN_ADD_NTSC( "screen" ) MCFG_SCREEN_UPDATE( pengadvb ) /* sound hardware */ MCFG_SPEAKER_STANDARD_MONO("mono") MCFG_SOUND_ADD("aysnd", AY8910, (float)XTAL_10_738635MHz/6) MCFG_SOUND_CONFIG(pengadvb_ay8910_interface) MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.50) MACHINE_CONFIG_END static void pengadvb_decrypt(running_machine &machine, const char* region) { UINT8 *mem = machine.region(region)->base(); int memsize = machine.region(region)->bytes(); UINT8 *buf; int i; // data lines swap for ( i = 0; i < memsize; i++ ) { mem[i] = BITSWAP8(mem[i],7,6,5,3,4,2,1,0); } // address line swap buf = auto_alloc_array(machine, UINT8, memsize); memcpy(buf, mem, memsize); for ( i = 0; i < memsize; i++ ) { mem[i] = buf[BITSWAP24(i,23,22,21,20,19,18,17,16,15,14,13,5,11,10,9,8,7,6,12,4,3,2,1,0)]; } auto_free(machine, buf); } static DRIVER_INIT(pengadvb) { pengadvb_state *state = machine.driver_data(); pengadvb_decrypt(machine, "maincpu"); pengadvb_decrypt(machine, "game"); state->m_main_mem = auto_alloc_array(machine, UINT8, 0x4000); } ROM_START( pengadvb ) ROM_REGION( 0x8000, "maincpu", 0 ) ROM_LOAD( "rom.u5", 0x00000, 0x8000, CRC(d21950d2) SHA1(0b1815677f17a680ba63c3839bea2d451813eec8) ) ROM_REGION( 0x20000, "game", 0 ) ROM_LOAD( "rom.u7", 0x00000, 0x8000, CRC(d4b4a4a4) SHA1(59f9299182fd8aedc7a4e9b0ddd685f2a71c033f) ) ROM_LOAD( "rom.u8", 0x08000, 0x8000, CRC(eada2232) SHA1(f4182f0921b621acd8be6077eb9639b31a97e907) ) ROM_LOAD( "rom.u9", 0x10000, 0x8000, CRC(6478c561) SHA1(6f9a794a5bb51e96552f6d1e9fa6515659d25933) ) ROM_LOAD( "rom.u10", 0x18000, 0x8000, CRC(5c48360f) SHA1(0866e20969f57b7b7c59df8f7ca203f18c7c9870) ) ROM_END GAME( 1988, pengadvb, 0, pengadvb, pengadvb, pengadvb, ROT0, "bootleg / Konami", "Penguin Adventure (bootleg of MSX version)", GAME_SUPPORTS_SAVE )