diff options
Diffstat (limited to 'trunk/src/mame/drivers/hotblock.c')
-rw-r--r-- | trunk/src/mame/drivers/hotblock.c | 245 |
1 files changed, 245 insertions, 0 deletions
diff --git a/trunk/src/mame/drivers/hotblock.c b/trunk/src/mame/drivers/hotblock.c new file mode 100644 index 00000000000..3ca8165d8ff --- /dev/null +++ b/trunk/src/mame/drivers/hotblock.c @@ -0,0 +1,245 @@ +/* Hot Blocks */ +/* +driver by David Haywood +*/ + +/* +HotBlock board + +Tetris with naughty bits + + |||||||||||||||| ++-------++++++++++++++++-------+ +| | +| YM2149 TESTSW | +| | +| 62256 62256 6116 6116 | +| | +| 24mhz TPC1020AFN 24c04a | +| | +| PAL | +| P8088-1 IC4 IC5 62256 62256 | +| | ++------------------------------+ + +330ohm resistor packs for colours + + +-- + +there are a variety of test modes which can be obtained +by resetting while holding down player 2 buttons + +eeprom / backup data not hooked up ( 24c04a on port4 ) + +most sources say this is a game by Nics but I believe Nics +to be a company from Korea, this game is quite clearly a +Spanish game, we know for a fact that NIX are from Spain +so it could be by them instead + + + +*/ + +#include "emu.h" +#include "cpu/i86/i86.h" +#include "sound/ay8910.h" + +class hotblock_state : public driver_device +{ +public: + hotblock_state(const machine_config &mconfig, device_type type, const char *tag) + : driver_device(mconfig, type, tag) { } + + /* memory pointers */ + UINT8 * m_vram; + + /* misc */ + int m_port0; + int m_port4; + + /* memory */ + UINT8 m_pal[0x10000]; +}; + + + +static READ8_HANDLER( hotblock_video_read ) +{ + hotblock_state *state = space->machine().driver_data<hotblock_state>(); + /* right?, anything else?? */ + if (state->m_port0 & 0x20) // port 0 = a8 e8 -- palette + { + return state->m_pal[offset]; + } + else // port 0 = 88 c8 + { + return state->m_vram[offset]; + } +} + +/* port 4 is some kind of eeprom / storage .. used to store the scores */ +static READ8_HANDLER( hotblock_port4_r ) +{ +// mame_printf_debug("port4_r\n"); + return 0x00; +} + + +static WRITE8_HANDLER( hotblock_port4_w ) +{ +// mame_printf_debug("port4_w: pc = %06x : data %04x\n", cpu_get_pc(&space->device()), data); +// popmessage("port4_w: pc = %06x : data %04x", cpu_get_pc(&space->device()), data); + hotblock_state *state = space->machine().driver_data<hotblock_state>(); + state->m_port4 = data; +} + + + +static WRITE8_HANDLER( hotblock_port0_w ) +{ +// popmessage("port4_w: pc = %06x : data %04x", cpu_get_pc(&space->device()), data); + hotblock_state *state = space->machine().driver_data<hotblock_state>(); + state->m_port0 = data; +} + +static WRITE8_HANDLER( hotblock_video_write ) +{ + hotblock_state *state = space->machine().driver_data<hotblock_state>(); + /* right?, anything else?? */ + if (state->m_port0 & 0x20) // port 0 = a8 e8 -- palette + { + state->m_pal[offset] = data; + } + else // port 0 = 88 c8 + { + state->m_vram[offset] = data; + } +} + +static ADDRESS_MAP_START( hotblock_map, AS_PROGRAM, 8 ) + AM_RANGE(0x00000, 0x0ffff) AM_RAM + AM_RANGE(0x10000, 0x1ffff) AM_READWRITE(hotblock_video_read, hotblock_video_write) AM_BASE_MEMBER(hotblock_state, m_vram) + AM_RANGE(0x20000, 0xfffff) AM_ROM +ADDRESS_MAP_END + +static ADDRESS_MAP_START( hotblock_io, AS_IO, 8 ) + AM_RANGE(0x0000, 0x0000) AM_WRITE(hotblock_port0_w) + AM_RANGE(0x0004, 0x0004) AM_READWRITE(hotblock_port4_r, hotblock_port4_w) + AM_RANGE(0x8000, 0x8001) AM_DEVWRITE("aysnd", ay8910_address_data_w) + AM_RANGE(0x8001, 0x8001) AM_DEVREAD("aysnd", ay8910_r) +ADDRESS_MAP_END + + + +static VIDEO_START(hotblock) +{ + hotblock_state *state = machine.driver_data<hotblock_state>(); + state->save_item(NAME(state->m_pal)); +} + +static SCREEN_UPDATE(hotblock) +{ + hotblock_state *state = screen->machine().driver_data<hotblock_state>(); + int y, x, count; + int i; + static const int xxx = 320, yyy = 204; + + bitmap_fill(bitmap, 0, get_black_pen(screen->machine())); + + for (i = 0; i < 256; i++) + { + int dat = (state->m_pal[i * 2 + 1] << 8) | state->m_pal[i * 2]; + palette_set_color_rgb(screen->machine(), i, pal5bit(dat >> 0), pal5bit(dat >> 5), pal5bit(dat >> 10)); + } + + count = 0; + for (y = 0; y < yyy; y++) + { + for(x = 0; x < xxx; x++) + { + if (state->m_port0 & 0x40) + *BITMAP_ADDR16(bitmap, y, x) = state->m_vram[count]; + count++; + } + } + + return 0; +} + + +static INPUT_PORTS_START( hotblock ) + PORT_START("P1") + PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_COIN1 ) + PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_START1 ) + PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_PLAYER(1) PORT_8WAY + PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_PLAYER(1) PORT_8WAY + PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_PLAYER(1) PORT_8WAY + PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_PLAYER(1) PORT_8WAY + PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(1) + PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_PLAYER(1) // unused? + + PORT_START("P2") + PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_COIN2 ) + PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_START2 ) + PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_PLAYER(2) PORT_8WAY + PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_PLAYER(2) PORT_8WAY + PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_PLAYER(2) PORT_8WAY + PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_PLAYER(2) PORT_8WAY + PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(2) + PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_PLAYER(2) // used to get test mode +INPUT_PORTS_END + + +static INTERRUPT_GEN( hotblocks_irq ) /* right? */ +{ + device_set_input_line(device, INPUT_LINE_NMI, PULSE_LINE); +} + +static const ay8910_interface ay8910_config = +{ + AY8910_LEGACY_OUTPUT, + AY8910_DEFAULT_LOADS, + DEVCB_INPUT_PORT("P1"), + DEVCB_INPUT_PORT("P2"), + DEVCB_NULL, + DEVCB_NULL +}; + + +static MACHINE_CONFIG_START( hotblock, hotblock_state ) + + /* basic machine hardware */ + MCFG_CPU_ADD("maincpu", I8088, 10000000) + MCFG_CPU_PROGRAM_MAP(hotblock_map) + MCFG_CPU_IO_MAP(hotblock_io) + MCFG_CPU_VBLANK_INT("screen", hotblocks_irq) + + /* video hardware */ + MCFG_SCREEN_ADD("screen", RASTER) + MCFG_SCREEN_REFRESH_RATE(60) + MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(0)) + MCFG_SCREEN_FORMAT(BITMAP_FORMAT_INDEXED16) + MCFG_SCREEN_SIZE(1024,1024) + MCFG_SCREEN_VISIBLE_AREA(0, 320-1, 0, 200-1) + MCFG_SCREEN_UPDATE(hotblock) + + MCFG_PALETTE_LENGTH(256) + + MCFG_VIDEO_START(hotblock) + + /* sound hardware */ + MCFG_SPEAKER_STANDARD_MONO("mono") + + MCFG_SOUND_ADD("aysnd", AY8910, 1000000) + MCFG_SOUND_CONFIG(ay8910_config) + MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.50) +MACHINE_CONFIG_END + +ROM_START( hotblock ) + ROM_REGION( 0x100000, "maincpu", 0 ) + ROM_LOAD( "hotblk5.ic4", 0x000000, 0x080000, CRC(5f90f776) SHA1(5ca74714a7d264b4fafaad07dc11e57308828d30) ) + ROM_LOAD( "hotblk6.ic5", 0x080000, 0x080000, CRC(3176d231) SHA1(ac22fd0e9820c6714f51a3d8315eb5d43ef91eeb) ) +ROM_END + +GAME( 1993, hotblock, 0, hotblock, hotblock, 0, ROT0, "NIX?", "Hot Blocks - Tetrix II", 0 ) |