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Diffstat (limited to 'src/mame/drivers/hotblock.c')
-rw-r--r--src/mame/drivers/hotblock.c220
1 files changed, 220 insertions, 0 deletions
diff --git a/src/mame/drivers/hotblock.c b/src/mame/drivers/hotblock.c
new file mode 100644
index 00000000000..cb7695cca60
--- /dev/null
+++ b/src/mame/drivers/hotblock.c
@@ -0,0 +1,220 @@
+/* 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 "driver.h"
+#include "sound/ay8910.h"
+
+static UINT8 *hotblock_ram;
+static UINT8 *hotblock_pal;
+static int hotblock_port0;
+static int hotblock_port4;
+
+static READ8_HANDLER( hotblock_video_read )
+{
+ /* right?, anything else?? */
+ if(hotblock_port0 &0x20) // port 0 = a8 e8 -- palette
+ {
+ return hotblock_pal[offset];
+ }
+ else // port 0 = 88 c8
+ {
+ return hotblock_ram[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;//return mame_rand(Machine); // WHAT HERE?
+}
+
+
+static WRITE8_HANDLER( hotblock_port4_w )
+{
+// mame_printf_debug("port4_w: pc = %06x : data %04x\n",activecpu_get_pc(),data);
+// popmessage("port4_w: pc = %06x : data %04x",activecpu_get_pc(),data);
+ hotblock_port4=data;
+}
+
+
+
+static WRITE8_HANDLER( hotblock_port0_w )
+{
+// popmessage("port4_w: pc = %06x : data %04x",activecpu_get_pc(),data);
+ hotblock_port0=data;
+}
+
+static WRITE8_HANDLER( hotblock_video_write )
+{
+ /* right?, anything else?? */
+ if(hotblock_port0 &0x20) // port 0 = a8 e8 -- palette
+ {
+ hotblock_pal[offset]=data;
+ }
+ else // port 0 = 88 c8
+ {
+ hotblock_ram[offset]=data;
+ }
+}
+
+static ADDRESS_MAP_START( hotblock_map, ADDRESS_SPACE_PROGRAM, 8 )
+ AM_RANGE(0x00000, 0x0ffff) AM_RAM
+ AM_RANGE(0x10000, 0x1ffff) AM_READ(hotblock_video_read) AM_WRITE(hotblock_video_write) AM_BASE(&hotblock_ram)
+ AM_RANGE(0x20000, 0xfffff) AM_ROM
+ADDRESS_MAP_END
+
+static ADDRESS_MAP_START( hotblock_io, ADDRESS_SPACE_IO, 8 )
+ AM_RANGE(0x0000, 0x0000) AM_WRITE(hotblock_port0_w)
+ AM_RANGE(0x0004, 0x0004) AM_READ(hotblock_port4_r) AM_WRITE(hotblock_port4_w)
+ AM_RANGE(0x8000, 0x8000) AM_WRITE(AY8910_control_port_0_w)
+ AM_RANGE(0x8001, 0x8001) AM_READ( AY8910_read_port_0_r ) AM_WRITE(AY8910_write_port_0_w)
+ADDRESS_MAP_END
+
+
+
+static VIDEO_START(hotblock)
+{
+ hotblock_pal=auto_malloc(0x10000);
+}
+
+static VIDEO_UPDATE(hotblock)
+{
+
+ int y,x,count;
+ int i;
+ static int xxx=320,yyy=204;
+
+ fillbitmap(bitmap, get_black_pen(machine), 0);
+
+ for (i=0;i<256;i++)
+ {
+ int dat=(hotblock_pal[i*2+1]<<8)|hotblock_pal[i*2];
+ palette_set_color_rgb(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(hotblock_port0&0x40) *BITMAP_ADDR16(bitmap, y, x) = hotblock_ram[count];
+ count++;
+ }
+ }
+
+
+ return 0;
+}
+
+
+static INPUT_PORTS_START(hotblock)
+ PORT_START /* 8bit */
+ 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 /* 8bit */
+ 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? */
+{
+ cpunum_set_input_line(0, INPUT_LINE_NMI, PULSE_LINE);
+}
+
+static struct AY8910interface ay8910_interface =
+{
+ input_port_0_r,
+ input_port_1_r,
+};
+
+
+static MACHINE_DRIVER_START( hotblock )
+ /* basic machine hardware */
+ MDRV_CPU_ADD(I8088, 10000000)
+ MDRV_CPU_PROGRAM_MAP(hotblock_map, 0)
+ MDRV_CPU_IO_MAP(hotblock_io,0)
+ MDRV_CPU_VBLANK_INT(hotblocks_irq,1)
+
+ MDRV_SCREEN_REFRESH_RATE(60)
+ MDRV_SCREEN_VBLANK_TIME(DEFAULT_60HZ_VBLANK_DURATION)
+
+ /* video hardware */
+ MDRV_VIDEO_ATTRIBUTES(VIDEO_TYPE_RASTER)
+ MDRV_SCREEN_FORMAT(BITMAP_FORMAT_INDEXED16)
+ MDRV_SCREEN_SIZE(1024,1024)
+ MDRV_SCREEN_VISIBLE_AREA(0, 320-1, 0, 200-1)
+ MDRV_PALETTE_LENGTH(256)
+
+ MDRV_VIDEO_START(hotblock)
+ MDRV_VIDEO_UPDATE(hotblock)
+
+ /* sound hardware */
+ MDRV_SPEAKER_STANDARD_MONO("mono")
+
+ MDRV_SOUND_ADD(AY8910, 1000000)
+ MDRV_SOUND_CONFIG(ay8910_interface)
+ MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.50)
+MACHINE_DRIVER_END
+
+ROM_START( hotblock )
+ ROM_REGION( 0x100000, REGION_CPU1, 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, "Nics? / Nix?", "Hot Blocks - Tetrix II", 0 )