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-rw-r--r--src/mame/drivers/koikoi.c312
1 files changed, 312 insertions, 0 deletions
diff --git a/src/mame/drivers/koikoi.c b/src/mame/drivers/koikoi.c
new file mode 100644
index 00000000000..6fe21fd3900
--- /dev/null
+++ b/src/mame/drivers/koikoi.c
@@ -0,0 +1,312 @@
+/***************************************************************************
+
+Koi Koi Part 2
+---------------
+driver by
+ Tomasz Slanina
+ David Haywood
+
+TODO:
+- map inputs (temp mapped to keys a-l and z-x)
+- is there (still..) some kind of protection ? timers looks weird (2nd player timer is frozen)
+- colors (afaik color(?) prom outputs are connected to one of pals)
+
+
+Basic hw is...
+z80 (possibly xtal/4)
+ay3-8910 (possibly xtal/8)
+15.468xtal
+1 dsw (8)
+2kx8 SRAM (x2)
+
+
+Few words about inputs (code @ $21bd):
+--------------------------------------
+
+There's four reads in a row of input port 3 - 32 possibilities.
+But only 14 are valid - two lookup tables are used to decode the inputs.
+
+For example, for one of input keys game expects data: 0,0,8,0
+It's encoded (in internal lookup table, as well as in inputTab[]) as 0x68 :
+ - bits 0-4 = data to return (valid values are 1,2,4,8,$10 - only one bit set)
+ - bits 5-7 = read cycle (1-4) to return above data
+All other reads should return 0.
+
+Also, every other call, code at $21bd must return 0 (2 in 2nd read cycle)
+to prevent disabling inputs.
+
+***************************************************************************/
+
+#include "driver.h"
+#include "sound/ay8910.h"
+
+static int inputcnt=0;
+static int inputval=0;
+static int inputlen=0;
+static tilemap *koikoi_tilemap;
+static int ioram[8];
+
+static const int inputTab[]= { 0x22, 0x64, 0x44, 0x68, 0x30, 0x50, 0x70, 0x48, 0x28, 0x21, 0x41, 0x82, 0x81, 0x42 };
+
+static TILE_GET_INFO( get_tile_info )
+{
+ int code = videoram[tile_index]|((videoram[tile_index+0x400]<<2)&0x100);
+ int color = videoram[tile_index+0x400]&0x1f;
+ int flip =(videoram[tile_index+0x400]&0x80)?(TILEMAP_FLIPX|TILEMAP_FLIPY):0;
+
+ SET_TILE_INFO( 0, code, color, flip);
+}
+
+static WRITE8_HANDLER(vram_w)
+{
+ videoram[offset]=data;
+ tilemap_mark_tile_dirty(koikoi_tilemap,offset&0x3ff);
+}
+
+static READ8_HANDLER(vram_r)
+{
+ return videoram[offset];
+}
+
+static READ8_HANDLER(input_r)
+{
+ if(inputcnt<0){ return 0; }
+ if(!inputcnt)
+ {
+ int key=input_port_2_word_r(0,0);
+ int keyval=0; //we must return 0 (0x2 in 2nd read) to clear 4 bit at $6600 and allow next read
+
+ if(key)
+ {
+ while(!(key&1)) { key>>=1; keyval++; }
+ }
+
+ inputval=inputTab[keyval]&0x1f;
+ inputlen=inputTab[keyval]>>5;
+ }
+ if(inputlen==++inputcnt) //return expected value
+ {
+ return inputval^0xff;
+ }
+ if(inputcnt>4) //end of cycle
+ {
+ inputcnt=-1;
+ }
+ return 0xff; //return 0^0xff
+}
+
+static WRITE8_HANDLER(unknown_w)
+{
+ //unknown... could be input select (player 1 or 2 = fd/fe or ef/df(??) )
+}
+
+static READ8_HANDLER(io_r)
+{
+ if(!offset)
+ {
+ return input_port_1_r(0)^ioram[4]; //coin
+ }
+ return 0;
+}
+
+static WRITE8_HANDLER(io_w)
+{
+ if(offset==7 && data==0)
+ {
+ inputcnt=0; //reset read cycle counter
+ }
+ ioram[offset]=data;
+}
+
+static ADDRESS_MAP_START( readmem, ADDRESS_SPACE_PROGRAM, 8 )
+ AM_RANGE(0x0000, 0x2fff) AM_ROM
+ AM_RANGE(0x6000, 0x67ff) AM_RAM
+ AM_RANGE(0x8000, 0x8000) AM_READ( input_port_0_r )
+ AM_RANGE(0x7000, 0x77ff) AM_READWRITE(vram_r, vram_w) AM_BASE(&videoram)
+ AM_RANGE(0x9000, 0x9007) AM_READWRITE(io_r, io_w)
+ADDRESS_MAP_END
+
+static ADDRESS_MAP_START( readport, ADDRESS_SPACE_IO, 8 )
+ ADDRESS_MAP_FLAGS( AMEF_ABITS(8) )
+ AM_RANGE(0x02, 0x02) AM_WRITENOP //unknown , many writes
+ AM_RANGE(0x03, 0x03) AM_READ( AY8910_read_port_0_r )
+ AM_RANGE(0x07, 0x07) AM_WRITE(AY8910_control_port_0_w)
+ AM_RANGE(0x06, 0x06) AM_WRITE(AY8910_write_port_0_w)
+
+ADDRESS_MAP_END
+
+static INPUT_PORTS_START( koikoi )
+ PORT_START /* DSW */
+ PORT_DIPNAME( 0x03, 0x01, "Timer C" )
+ PORT_DIPSETTING( 0x00, "50" )
+ PORT_DIPSETTING( 0x01, "70" )
+ PORT_DIPSETTING( 0x02, "90" )
+ PORT_DIPSETTING( 0x03, "110" )
+
+ PORT_DIPNAME( 0x0c, 0x04, "Timer M" )
+ PORT_DIPSETTING( 0x00, "120" )
+ PORT_DIPSETTING( 0x04, "150" )
+ PORT_DIPSETTING( 0x08, "180" )
+ PORT_DIPSETTING( 0x0c, "210" )
+
+ PORT_DIPNAME( 0x10, 0x00, DEF_STR( Coin_A ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( 1C_1C ) )
+ PORT_DIPSETTING( 0x10, DEF_STR( 1C_2C ) )
+
+ PORT_DIPNAME( 0x20, 0x00, DEF_STR( Unknown ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x20, DEF_STR( On ) )
+
+ PORT_DIPNAME( 0x40, 0x00, DEF_STR( Unknown ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x40, DEF_STR( On ) )
+
+ PORT_DIPNAME( 0x80, 0x00, "Test Mode" )
+ PORT_DIPSETTING( 0x00, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x80, DEF_STR( On ) )
+
+ PORT_START /* IN0 */
+ PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_COIN1 )
+ PORT_BIT( 0xbf, IP_ACTIVE_LOW, IPT_UNUSED )
+
+ PORT_START /* IN1 */
+ PORT_BIT( 0x0002, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_CODE(KEYCODE_A) //1
+ PORT_BIT( 0x0004, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_CODE(KEYCODE_S) //2
+ PORT_BIT( 0x0008, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_CODE(KEYCODE_D) //3
+ PORT_BIT( 0x0010, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_CODE(KEYCODE_F) //4
+ PORT_BIT( 0x0020, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_CODE(KEYCODE_G) //5
+ PORT_BIT( 0x0040, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_CODE(KEYCODE_H) //6
+ PORT_BIT( 0x0080, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_CODE(KEYCODE_J) //7
+ PORT_BIT( 0x0100, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_CODE(KEYCODE_K) //8
+
+ PORT_BIT( 0x0800, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_CODE(KEYCODE_Z)
+ PORT_BIT( 0x1000, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_CODE(KEYCODE_X)
+ PORT_BIT( 0x2000, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_CODE(KEYCODE_C)
+
+ PORT_BIT( 0x0200, IP_ACTIVE_HIGH, IPT_START1 )
+ PORT_BIT( 0x0400, IP_ACTIVE_HIGH, IPT_START2 )
+
+INPUT_PORTS_END
+
+static PALETTE_INIT( koikoi ) //wrong
+{
+ int i;
+
+ for (i = 0;i < 256;i++)
+ {
+ int bit0,bit1,bit2,bit3,r,g,b;
+
+ bit0 = (color_prom[i] >> 0) & 0x01;
+ bit1 = (color_prom[i] >> 1) & 0x01;
+ bit2 = (color_prom[i] >> 2) & 0x01;
+ bit3 = (color_prom[i] >> 3) & 0x01;
+
+ r=bit0*255;
+ g=bit1*255;
+ b=bit2*255;
+
+ palette_set_color(machine,i,MAKE_RGB(r,g,b));
+ }
+}
+
+static VIDEO_START(koikoi)
+{
+ koikoi_tilemap = tilemap_create(get_tile_info,tilemap_scan_rows,TILEMAP_TYPE_PEN,8,8,32,32);
+}
+
+static VIDEO_UPDATE(koikoi)
+{
+ tilemap_draw(bitmap,cliprect,koikoi_tilemap,0,0);
+ return 0;
+}
+
+
+static const gfx_layout tilelayout =
+{
+ 8, 8,
+ RGN_FRAC(1,3),
+ 3,
+ { RGN_FRAC(0,3), RGN_FRAC(1,3), RGN_FRAC(2,3) },
+ { 0, 1, 2, 3, 4, 5, 6, 7 },
+ { 0*8, 1*8, 2*8, 3*8, 4*8, 5*8, 6*8, 7*8 },
+ 8*8
+};
+
+
+static GFXDECODE_START( koikoi )
+ GFXDECODE_ENTRY( REGION_GFX1, 0x0000, tilelayout, 0, 32 )
+GFXDECODE_END
+
+
+static struct AY8910interface ay8910_interface =
+{
+ 0, input_r,
+ unknown_w, 0
+};
+
+#define KOIKOI_CRYSTAL 15468000
+
+static MACHINE_DRIVER_START( koikoi )
+
+ /* basic machine hardware */
+ MDRV_CPU_ADD(Z80,KOIKOI_CRYSTAL/4) /* ?? */
+ MDRV_CPU_PROGRAM_MAP(readmem, 0)
+ MDRV_CPU_IO_MAP(readport, 0)
+ MDRV_CPU_VBLANK_INT(nmi_line_pulse,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(32*8, 32*8)
+ MDRV_SCREEN_VISIBLE_AREA(0*8, 32*8-1, 0*8, 32*8-1)
+ MDRV_GFXDECODE(koikoi)
+ MDRV_PALETTE_LENGTH(8*32)
+ MDRV_PALETTE_INIT(koikoi)
+
+ MDRV_VIDEO_START(koikoi)
+ MDRV_VIDEO_UPDATE(koikoi)
+
+ /* sound hardware */
+ MDRV_SPEAKER_STANDARD_MONO("mono")
+
+ MDRV_SOUND_ADD(AY8910, KOIKOI_CRYSTAL/8)
+ MDRV_SOUND_CONFIG(ay8910_interface)
+ MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.10)
+
+MACHINE_DRIVER_END
+
+
+/***************************************************************************
+
+ Game driver(s)
+
+***************************************************************************/
+
+
+ROM_START( koikoi )
+ ROM_REGION( 0x10000, REGION_CPU1, 0 ) /* code */
+ ROM_LOAD( "ic56", 0x0000, 0x1000, CRC(bdc68f9d) SHA1(c45fbc95abb37f750acc1d9f3b35ad0f41af097d) )
+ ROM_LOAD( "ic55", 0x1000, 0x1000, CRC(fe09248a) SHA1(c192795678068e387bd406f5cd1c5aba5f5ef66a) )
+ ROM_LOAD( "ic54", 0x2000, 0x1000, CRC(925fc57c) SHA1(4c79df92b6617fe84e61359c8e6e3b907b138777) )
+
+ ROM_REGION( 0x3000, REGION_GFX1, 0 ) /* gfx */
+ ROM_LOAD( "ic33", 0x0000, 0x1000, CRC(9e4d563b) SHA1(63664dcffc2eb198a161c73131b95a66b2067424) )
+ ROM_LOAD( "ic26", 0x1000, 0x1000, CRC(79cb1e93) SHA1(4d08b3d88727b437673f7a51d47396f19bbc3caa) )
+ ROM_LOAD( "ic18", 0x2000, 0x1000, CRC(c209362d) SHA1(0620c19fe72e8407db0f487b6413c5d45ac8046c) )
+
+ ROM_REGION( 0x0100, REGION_PROMS, 0 )
+ ROM_LOAD( "prom.ic23", 0x000, 0x100, CRC(f1d169a6) SHA1(5ee4b1dfe61e8b97a90cc113ba234298189f1a73) )
+
+ ROM_REGION( 0x0a00, REGION_PLDS, ROMREGION_DISPOSE )
+ ROM_LOAD( "pal16r8-10_pink.ic9", 0x0000, 0x0104, CRC(9f8fdb95) SHA1(cdcdb1a6baef18961cf6c75fba0c3aba47f3edbb) )
+ ROM_LOAD( "pal16r8-10_green.ic15", 0x0200, 0x0104, CRC(da7b8b95) SHA1(a4eb12f2365ff2b6057e4a2e225e8f879a961d45) )
+ ROM_LOAD( "pal16r8a_yellow.ic8", 0x0400, 0x0104, CRC(7d8da540) SHA1(28925d1fb4ef670e9c9d24860b67fdff8791c6a9) )
+ ROM_LOAD( "pal16r8a_brown.ic11", 0x0600, 0x0104, CRC(fff46363) SHA1(97f673c862e9d5b12cac283000a779c465c76828) )
+ ROM_LOAD( "pal16r8a_red.ic10", 0x0800, 0x0104, CRC(027ad661) SHA1(fa5aafe6deb3a9865498152b92dd3776ea10a51d) )
+
+ROM_END
+
+GAME( 1982, koikoi, 0, koikoi, koikoi, 0, ROT270, "Kiwako", "Koi Koi Part 2", GAME_WRONG_COLORS )