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Diffstat (limited to 'src/mame/drivers/chinsan.c')
-rw-r--r--src/mame/drivers/chinsan.c535
1 files changed, 535 insertions, 0 deletions
diff --git a/src/mame/drivers/chinsan.c b/src/mame/drivers/chinsan.c
new file mode 100644
index 00000000000..72b79e9ba9d
--- /dev/null
+++ b/src/mame/drivers/chinsan.c
@@ -0,0 +1,535 @@
+/* Ganbare Chinsan Ooshoubu
+ driver by David Haywood
+
+ToDo:
+Improve Inputs
+Add Sample Playback (M5205)
+
+*/
+
+/*
+
+Ganbare Chinsan Ooshoubu
+(c)1987 Sanritsu
+
+C1-00114-B
+
+CPU: 317-5012 (MC-8123A)
+SOUND: YM2203
+ M5205
+OSC: 10.000MHz
+ 384KHz
+Chips: 8255AC-2
+
+
+MM00.7D prg.
+MM01.8D
+
+MM20.7K chr.
+MM21.8K
+MM22.9K
+
+MM40.13D samples
+
+MM60.2C ?
+
+MM61.9M color
+MM62.9N
+MM63.10N
+
+*/
+
+#include "driver.h"
+#include "machine/mc8123.h"
+#include "sound/2203intf.h"
+
+static UINT8* chinsan_video;
+static UINT8 chinsan_port_select;
+
+static VIDEO_START(chinsan)
+{
+}
+
+static VIDEO_UPDATE(chinsan)
+{
+ int y,x, count;
+ count = 0;
+ for(y=0;y<32;y++)
+ {
+ for (x=0;x<64;x++)
+ {
+ int tileno,colour;
+ tileno = chinsan_video[count] | (chinsan_video[count+0x800]<<8);
+ colour = chinsan_video[count+0x1000]>>3;
+ drawgfx(bitmap,machine->gfx[0],tileno,colour,0,0,x*8,y*8,cliprect,TRANSPARENCY_NONE,0);
+ count++;
+ }
+ }
+
+ return 0;
+}
+
+
+
+static MACHINE_RESET( chinsan )
+{
+ memory_configure_bank(1, 0, 4, memory_region(REGION_CPU1) + 0x10000, 0x4000);
+}
+
+
+static WRITE8_HANDLER(ctrl_w)
+{
+ memory_set_bank(1, data >> 6);
+}
+
+static WRITE8_HANDLER( ym_port_w1 )
+{
+ logerror("ym_write port 1 %02x\n",data);
+}
+
+
+static WRITE8_HANDLER( ym_port_w2 )
+{
+ logerror("ym_write port 2 %02x\n",data);
+}
+
+
+static struct YM2203interface ym2203_interface =
+{
+ input_port_0_r,
+ input_port_1_r,
+ ym_port_w1,
+ ym_port_w2
+};
+
+static WRITE8_HANDLER( chinsan_port00_w )
+{
+
+ chinsan_port_select = data;
+
+ if (
+ (data!=0x40) &&
+ (data!=0x4f) &&
+ (data!=0x53) &&
+ (data!=0x57) &&
+ (data!=0x5b) &&
+ (data!=0x5d) &&
+ (data!=0x5e))
+ logerror("write port 00 %02x\n",data);
+
+}
+
+static READ8_HANDLER( chinsan_input_port_0_r )
+{
+
+ //return 0xff; // the inputs don't seem to work, so just return ff for now
+
+ switch (chinsan_port_select)
+ {
+ /* i doubt these are both really the same.. */
+ case 0x40:
+ case 0x4f:
+ return readinputportbytag("MAHJONG_P2_1");
+
+ case 0x53:
+ return readinputportbytag("MAHJONG_P2_2");
+
+ case 0x57:
+ return readinputportbytag("MAHJONG_P2_3");
+
+ case 0x5b:
+ return readinputportbytag("MAHJONG_P2_4");
+
+ case 0x5d:
+ return readinputportbytag("MAHJONG_P2_5");
+
+ case 0x5e:
+ return readinputportbytag("MAHJONG_P2_6");
+ }
+
+ printf("chinsan_input_port_0_r unk_r %02x\n", chinsan_port_select);
+ return mame_rand(Machine);
+}
+
+static READ8_HANDLER( chinsan_input_port_1_r )
+{
+ switch (chinsan_port_select)
+ {
+ /* i doubt these are both really the same.. */
+ case 0x40:
+ case 0x4f:
+ return readinputportbytag("MAHJONG_P1_1");
+
+ case 0x53:
+ return readinputportbytag("MAHJONG_P1_2");
+
+ case 0x57:
+ return readinputportbytag("MAHJONG_P1_3");
+
+ case 0x5b:
+ return readinputportbytag("MAHJONG_P1_4");
+
+ case 0x5d:
+ return readinputportbytag("MAHJONG_P1_5");
+
+ case 0x5e:
+ return readinputportbytag("MAHJONG_P1_6");
+ }
+
+ printf("chinsan_input_port_1_r unk_r %02x\n", chinsan_port_select);
+ return mame_rand(Machine);
+}
+
+
+static ADDRESS_MAP_START( chinsan_map, ADDRESS_SPACE_PROGRAM, 8 )
+ AM_RANGE(0x0000, 0x7fff) AM_ROM
+ AM_RANGE(0x8000, 0xbfff) AM_ROMBANK(1)
+ AM_RANGE(0xc000, 0xdfff) AM_RAM
+ AM_RANGE(0xe000, 0xf7ff) AM_RAM AM_BASE(&chinsan_video)
+ADDRESS_MAP_END
+
+static ADDRESS_MAP_START( chinsan_io, ADDRESS_SPACE_IO, 8 )
+ ADDRESS_MAP_FLAGS( AMEF_ABITS(8) )
+ AM_RANGE(0x00, 0x00) AM_WRITE(chinsan_port00_w)
+ AM_RANGE(0x01, 0x01) AM_READ(chinsan_input_port_0_r)
+ AM_RANGE(0x02, 0x02) AM_READ(chinsan_input_port_1_r)
+ AM_RANGE(0x10, 0x10) AM_READ(YM2203_status_port_0_r) AM_WRITE(YM2203_control_port_0_w)
+ AM_RANGE(0x11, 0x11) AM_READ(YM2203_read_port_0_r) AM_WRITE(YM2203_write_port_0_w)
+ AM_RANGE(0x30, 0x30) AM_WRITE(ctrl_w) // ROM bank + unknown stuff (input mutliplex?)
+ADDRESS_MAP_END
+
+
+static INPUT_PORTS_START( chinsan )
+ PORT_START
+ PORT_DIPNAME( 0x01, 0x01, "DSW1" )
+ PORT_DIPSETTING( 0x01, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+ PORT_DIPNAME( 0x02, 0x02, DEF_STR( Unknown ) )
+ PORT_DIPSETTING( 0x02, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+ PORT_DIPNAME( 0x04, 0x04, DEF_STR( Unknown ) )
+ PORT_DIPSETTING( 0x04, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+ PORT_DIPNAME( 0x08, 0x08, DEF_STR( Unknown ) )
+ PORT_DIPSETTING( 0x08, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+ PORT_DIPNAME( 0x10, 0x10, DEF_STR( Unknown ) )
+ PORT_DIPSETTING( 0x10, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+ PORT_DIPNAME( 0x20, 0x20, DEF_STR( Unknown ) )
+ PORT_DIPSETTING( 0x20, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+ PORT_DIPNAME( 0x40, 0x40, DEF_STR( Unknown ) )
+ PORT_DIPSETTING( 0x40, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+ PORT_DIPNAME( 0x80, 0x80, DEF_STR( Unknown ) )
+ PORT_DIPSETTING( 0x80, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+
+ PORT_START
+ PORT_DIPNAME( 0x01, 0x01, "DSW2" )
+ PORT_DIPSETTING( 0x01, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+ PORT_DIPNAME( 0x02, 0x02, DEF_STR( Unknown ) )
+ PORT_DIPSETTING( 0x02, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+ PORT_DIPNAME( 0x04, 0x04, DEF_STR( Unknown ) )
+ PORT_DIPSETTING( 0x04, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+ PORT_DIPNAME( 0x08, 0x08, DEF_STR( Unknown ) )
+ PORT_DIPSETTING( 0x08, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+ PORT_DIPNAME( 0x10, 0x10, DEF_STR( Unknown ) )
+ PORT_DIPSETTING( 0x10, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+ PORT_DIPNAME( 0x20, 0x20, DEF_STR( Unknown ) )
+ PORT_DIPSETTING( 0x20, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+ PORT_DIPNAME( 0x40, 0x40, DEF_STR( Unknown ) )
+ PORT_DIPSETTING( 0x40, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+ PORT_DIPNAME( 0x80, 0x80, DEF_STR( Unknown ) )
+ PORT_DIPSETTING( 0x80, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+
+
+ PORT_START_TAG("MAHJONG_P1_1")
+ PORT_DIPNAME( 0x01, 0x01, "1-1" )
+ PORT_DIPSETTING( 0x01, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+ PORT_DIPNAME( 0x02, 0x02, DEF_STR( Unknown ) )
+ PORT_DIPSETTING( 0x02, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+ PORT_DIPNAME( 0x04, 0x04, "P1 FF" ) // labaled FF in test mode, is this coin1?
+ PORT_DIPSETTING( 0x04, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+ PORT_DIPNAME( 0x08, 0x08, DEF_STR( Unknown ) )
+ PORT_DIPSETTING( 0x08, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+ PORT_DIPNAME( 0x10, 0x10, DEF_STR( Unknown ) )
+ PORT_DIPSETTING( 0x10, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+ PORT_DIPNAME( 0x20, 0x20, DEF_STR( Unknown ) )
+ PORT_DIPSETTING( 0x20, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+ PORT_DIPNAME( 0x40, 0x40, DEF_STR( Unknown ) )
+ PORT_DIPSETTING( 0x40, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+ PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_COIN1 ) // adds coins?, but maybe its the service switch?
+
+
+ PORT_START_TAG("MAHJONG_P1_2")
+ PORT_DIPNAME( 0x01, 0x01, "1-2" )
+ PORT_DIPSETTING( 0x01, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+ PORT_DIPNAME( 0x02, 0x02, DEF_STR( Unknown ) )
+ PORT_DIPSETTING( 0x02, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+ PORT_DIPNAME( 0x04, 0x04, DEF_STR( Unknown ) )
+ PORT_DIPSETTING( 0x04, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+ PORT_DIPNAME( 0x08, 0x08, DEF_STR( Unknown ) )
+ PORT_DIPSETTING( 0x08, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+ PORT_DIPNAME( 0x10, 0x10, DEF_STR( Unknown ) )
+ PORT_DIPSETTING( 0x10, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+ PORT_DIPNAME( 0x20, 0x20, DEF_STR( Unknown ) )
+ PORT_DIPSETTING( 0x20, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+ PORT_DIPNAME( 0x40, 0x40, DEF_STR( Unknown ) )
+ PORT_DIPSETTING( 0x40, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+ PORT_DIPNAME( 0x80, 0x80, DEF_STR( Unknown ) )
+ PORT_DIPSETTING( 0x80, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+
+ PORT_START_TAG("MAHJONG_P1_3")
+ PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_UNKNOWN ) // unused?
+ PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_UNKNOWN ) // unused?
+ PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_MAHJONG_PON )
+ PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_MAHJONG_L )
+ PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_MAHJONG_H )
+ PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_MAHJONG_D )
+ PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNKNOWN ) // unused?
+ PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNKNOWN ) // unused?
+
+ PORT_START_TAG("MAHJONG_P1_4")
+ PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_UNKNOWN ) // unused?
+ PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_MAHJONG_RON )
+ PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_MAHJONG_CHI )
+ PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_MAHJONG_K )
+ PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_MAHJONG_G )
+ PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_MAHJONG_C )
+ PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNKNOWN ) // unused?
+ PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNKNOWN ) // unused?
+
+ PORT_START_TAG("MAHJONG_P1_5")
+ PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_UNKNOWN ) // unused?
+ PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_MAHJONG_REACH )
+ PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_MAHJONG_N )
+ PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_MAHJONG_J )
+ PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_MAHJONG_F )
+ PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_MAHJONG_B )
+ PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNKNOWN ) // unused?
+ PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNKNOWN ) // unused?
+
+ PORT_START_TAG("MAHJONG_P1_6")
+ PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_START1 )
+ PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_MAHJONG_KAN )
+ PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_MAHJONG_M )
+ PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_MAHJONG_I )
+ PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_MAHJONG_E )
+ PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_MAHJONG_A )
+ PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNKNOWN ) // unused?
+ PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNKNOWN ) // unused?
+
+ PORT_START_TAG("MAHJONG_P2_1")
+ PORT_DIPNAME( 0x01, 0x01, "2-1" )
+ PORT_DIPSETTING( 0x01, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+ PORT_DIPNAME( 0x02, 0x02, DEF_STR( Unknown ) )
+ PORT_DIPSETTING( 0x02, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+ PORT_DIPNAME( 0x04, 0x04, "P2 FF" ) // labaled FF in test mode, is this coin2 or some other button ?
+ PORT_DIPSETTING( 0x04, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+ PORT_DIPNAME( 0x08, 0x08, DEF_STR( Unknown ) )
+ PORT_DIPSETTING( 0x08, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+ PORT_DIPNAME( 0x10, 0x10, DEF_STR( Unknown ) )
+ PORT_DIPSETTING( 0x10, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+ PORT_DIPNAME( 0x20, 0x20, DEF_STR( Unknown ) )
+ PORT_DIPSETTING( 0x20, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+ PORT_DIPNAME( 0x40, 0x40, DEF_STR( Unknown ) )
+ PORT_DIPSETTING( 0x40, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+ PORT_DIPNAME( 0x80, 0x80, DEF_STR( Test ) )
+ PORT_DIPSETTING( 0x80, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+
+ PORT_START_TAG("MAHJONG_P2_2")
+ PORT_DIPNAME( 0x01, 0x01, "2-2" )
+ PORT_DIPSETTING( 0x01, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+ PORT_DIPNAME( 0x02, 0x02, DEF_STR( Unknown ) )
+ PORT_DIPSETTING( 0x02, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+ PORT_DIPNAME( 0x04, 0x04, DEF_STR( Unknown ) )
+ PORT_DIPSETTING( 0x04, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+ PORT_DIPNAME( 0x08, 0x08, DEF_STR( Unknown ) )
+ PORT_DIPSETTING( 0x08, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+ PORT_DIPNAME( 0x10, 0x10, DEF_STR( Unknown ) )
+ PORT_DIPSETTING( 0x10, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+ PORT_DIPNAME( 0x20, 0x20, DEF_STR( Unknown ) )
+ PORT_DIPSETTING( 0x20, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+ PORT_DIPNAME( 0x40, 0x40, DEF_STR( Unknown ) )
+ PORT_DIPSETTING( 0x40, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+ PORT_DIPNAME( 0x80, 0x80, DEF_STR( Unknown ) )
+ PORT_DIPSETTING( 0x80, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+
+ PORT_START_TAG("MAHJONG_P2_3")
+ PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_UNKNOWN ) // unused?
+ PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_UNKNOWN ) // unused?
+ PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_MAHJONG_PON ) PORT_PLAYER(2)
+ PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_MAHJONG_L ) PORT_PLAYER(2)
+ PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_MAHJONG_H ) PORT_PLAYER(2)
+ PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_MAHJONG_D ) PORT_PLAYER(2)
+ PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNKNOWN ) // unused?
+ PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNKNOWN ) // unused?
+
+ PORT_START_TAG("MAHJONG_P2_4")
+ PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_UNKNOWN ) // unused?
+ PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_MAHJONG_RON ) PORT_PLAYER(2)
+ PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_MAHJONG_CHI ) PORT_PLAYER(2)
+ PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_MAHJONG_K ) PORT_PLAYER(2)
+ PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_MAHJONG_G ) PORT_PLAYER(2)
+ PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_MAHJONG_C ) PORT_PLAYER(2)
+ PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNKNOWN ) // unused?
+ PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNKNOWN ) // unused?
+
+ PORT_START_TAG("MAHJONG_P2_5")
+ PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_UNKNOWN ) // unused?
+ PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_MAHJONG_REACH ) PORT_PLAYER(2)
+ PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_MAHJONG_N ) PORT_PLAYER(2)
+ PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_MAHJONG_J ) PORT_PLAYER(2)
+ PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_MAHJONG_F ) PORT_PLAYER(2)
+ PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_MAHJONG_B ) PORT_PLAYER(2)
+ PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNKNOWN ) // unused?
+ PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNKNOWN ) // unused?
+
+ PORT_START_TAG("MAHJONG_P2_6")
+ PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_START2 )
+ PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_MAHJONG_KAN ) PORT_PLAYER(2)
+ PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_MAHJONG_M ) PORT_PLAYER(2)
+ PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_MAHJONG_I ) PORT_PLAYER(2)
+ PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_MAHJONG_E ) PORT_PLAYER(2)
+ PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_MAHJONG_A ) PORT_PLAYER(2)
+ PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNKNOWN ) // unused?
+ PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNKNOWN ) // unused?
+INPUT_PORTS_END
+
+
+
+static const gfx_layout tiles8x8_layout =
+{
+ 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( chinsan )
+ GFXDECODE_ENTRY( REGION_GFX1, 0, tiles8x8_layout, 0, 32 )
+GFXDECODE_END
+
+
+static MACHINE_DRIVER_START( chinsan )
+ /* basic machine hardware */
+ MDRV_CPU_ADD(Z80,10000000/2) /* ? MHz */
+ MDRV_CPU_PROGRAM_MAP(chinsan_map,0)
+ MDRV_CPU_IO_MAP(chinsan_io,0)
+ MDRV_CPU_VBLANK_INT(irq0_line_hold,1)
+
+ MDRV_MACHINE_RESET( chinsan )
+
+ /* video hardware */
+ MDRV_VIDEO_ATTRIBUTES(VIDEO_TYPE_RASTER )
+ MDRV_SCREEN_FORMAT(BITMAP_FORMAT_INDEXED16)
+ MDRV_SCREEN_SIZE(512, 256)
+ MDRV_SCREEN_REFRESH_RATE(60)
+ MDRV_SCREEN_VBLANK_TIME(DEFAULT_60HZ_VBLANK_DURATION)
+ MDRV_SCREEN_VISIBLE_AREA(24, 512-24-1, 16, 256-16-1)
+ MDRV_GFXDECODE(chinsan)
+ MDRV_PALETTE_LENGTH(0x100)
+
+ MDRV_VIDEO_START(chinsan)
+ MDRV_VIDEO_UPDATE(chinsan)
+
+ // sound hardware
+ MDRV_SPEAKER_STANDARD_MONO("mono")
+
+ MDRV_SOUND_ADD(YM2203, 1500000) /* ? Mhz */
+ MDRV_SOUND_CONFIG(ym2203_interface)
+ MDRV_SOUND_ROUTE(0, "mono", 0.15)
+ MDRV_SOUND_ROUTE(1, "mono", 0.15)
+ MDRV_SOUND_ROUTE(2, "mono", 0.15)
+ MDRV_SOUND_ROUTE(3, "mono", 0.10)
+MACHINE_DRIVER_END
+
+
+
+ROM_START( chinsan )
+ ROM_REGION( 0x20000, REGION_CPU1, 0 ) /* encrypted code / data */
+ ROM_LOAD( "mm00.7d", 0x00000, 0x08000, CRC(f7a4414f) SHA1(f65223b2928f610ab97fda2f2c008806cf2420e5) )
+ ROM_CONTINUE( 0x00000, 0x08000 ) // first half is blank
+ ROM_LOAD( "mm01.8d", 0x10000, 0x10000, CRC(c69ddbf5) SHA1(9533365c1761b113174d53a2e23ce6a7baca7dfe) )
+
+ ROM_REGION( 0x2000, REGION_USER1, 0 ) /* MC8123 key */
+ ROM_LOAD( "317-5012.key", 0x0000, 0x2000, CRC(2ecfb132) SHA1(3110ef82080dd7d908cc6bf34c6643f187f90b29) )
+
+ ROM_REGION( 0x30000, REGION_GFX1, 0 )
+ ROM_LOAD( "mm20.7k", 0x00000, 0x10000, CRC(54efb409) SHA1(333adadd7f3dc3393dbe334303bae544b3d26c00) )
+ ROM_LOAD( "mm21.8k", 0x10000, 0x10000, CRC(25f6c827) SHA1(add72a3cfa2f24105e36d0464c2db6a6bedd4139) )
+ ROM_LOAD( "mm22.9k", 0x20000, 0x10000, CRC(6092f6e1) SHA1(32f53027dc954e314d7c5d04ff53f17358bbcf77) )
+
+ ROM_REGION( 0x10000, REGION_SOUND1, 0 ) /* M5205 samples */
+ ROM_LOAD( "mm40.13d", 0x00000, 0x10000, CRC(a408b8f7) SHA1(60a2644922cb60c0a1a3409761c7e50924360313) )
+
+ ROM_REGION( 0x20, REGION_USER2, 0 )
+ ROM_LOAD( "mm60.2c", 0x000, 0x020, CRC(88477178) SHA1(03c1c9e3e88a5ae9970cb4b872ad4b6e4d77a6da) )
+
+ ROM_REGION( 0x300, REGION_USER3, 0 )
+ ROM_LOAD( "mm61.9m", 0x000, 0x100, CRC(57024262) SHA1(e084e6baa3c529217f6f8e37c9dd5f0687ba2fc4) ) // b
+ ROM_LOAD( "mm62.9n", 0x100, 0x100, CRC(b5a1dbe5) SHA1(770a791c061ce422f860bb8d32f82bbbf9b4d12a) ) // g
+ ROM_LOAD( "mm63.10n", 0x200, 0x100, CRC(b65e3567) SHA1(f146af51dfaa5b4bf44c4e27f1a0292f8fd07ce9) ) // r
+ROM_END
+
+
+static DRIVER_INIT( chinsan )
+{
+
+ int i;
+ UINT8 *src = memory_region( REGION_USER3 );
+
+ mc8123_decrypt_rom(0, memory_region(REGION_USER1), 1, 4);
+
+ for (i=0;i<0x100;i++)
+ {
+ palette_set_color_rgb(machine,i,pal4bit(src[i+0x200]),pal4bit(src[i+0x100]),pal4bit(src[i+0x000]));
+ }
+}
+
+
+GAME( 1987, chinsan, 0, chinsan, chinsan, chinsan, ROT0, "Sanritsu", "Ganbare Chinsan Ooshoubu (MC-8123A, 317-5012)", GAME_IMPERFECT_SOUND )