diff options
Diffstat (limited to 'trunk/src/mame/drivers/pengadvb.c')
-rw-r--r-- | trunk/src/mame/drivers/pengadvb.c | 353 |
1 files changed, 353 insertions, 0 deletions
diff --git a/trunk/src/mame/drivers/pengadvb.c b/trunk/src/mame/drivers/pengadvb.c new file mode 100644 index 00000000000..4bb3a084c0a --- /dev/null +++ b/trunk/src/mame/drivers/pengadvb.c @@ -0,0 +1,353 @@ +/* + +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<pengadvb_state>(); + 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<pengadvb_state>(); + 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<pengadvb_state>(); + 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<i8255_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<pengadvb_state>(); + + 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<pengadvb_state>(); + + 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_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_state>(); + 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 ) |