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Diffstat (limited to 'trunk/src/mame/drivers/hotblock.c')
-rw-r--r--trunk/src/mame/drivers/hotblock.c245
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 )