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diff --git a/src/mame/drivers/seibucats.cpp b/src/mame/drivers/seibucats.cpp
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+// license:LGPL-2.1+
+// copyright-holders:Angelo Salese
+/******************************************************************************************************************************************************
+
+ Seibu CATS E-Touch Mahjong Series (c) 2001 Seibu Kaihatsu
+
+ TODO:
+ - Needs OBJ ROMs dump to progress;
+ - DVD hookup;
+ - EEPROM (prolly tied to area 0xa20000 here);
+ - inputs & touchscreen;
+ - is sound working?
+ - unknown area read at 0x600;
+ - verify interrupt table;
+ - Any other port lingering in the 0x400-0x7ff area?
+
+=======================================================================================================================================================
+ Here is an excessively detailed list of the significant devices on the main board, including all those worth emulating and many that aren't:
+
+ * Intel i386DX CPU (U0169; lower right corner). Contrary to my expectations, Seibu seems to have stuck by its x86 tradition instead of switching to the
+ SH-2 with its built-in DMA, as they did in Fever Soccer.
+ * SEI600 SB08-1513 custom DMA chip (U0154; above i386DX). This is currently emulated as part of the driver for the SPI system, where it handles the
+ tilemap and palette DMA. E Jong Sakurasou, having only sprites, abandoned the tilemap DMA channel, but it may have been repurposed here.
+ * RISE11 custom sprite chip (U0336; upper right corner). No surprises here; Raiden Fighters Jet, E Jong Sakurasou and Fever Soccer all use this with
+ or without encryption.
+ * Yamaha YMF721-S General MIDI OPL4-ML2 (U0274; to right of UARTs). MAME surprisingly lacks an emulation of this chip.
+ * Yamaha YMZ280B-F PCMD8 (U0722; middle of board). Also used in E Jong Sakurasou.
+ * NEC D71051GB UART x2 (U1133, U1134; lined up with DB9 ports).
+ * MAXZ32 Serial Line Driver x2 (U1138, U1141; between UARTs and DB9 ports).
+ * JRC 6355E Real Time Clock (U0513, above YMF721). I emulated this chip for Fever Soccer.
+ * ST93C46AF Serial EEPROM (U0512; towards left center of board).
+ * Yamaha YAC516-M DAC x2 (U0848, U085; below first row of batteries).
+ * Xilinx XC9536 CPLDs "DVDMJ11" (U0235), "DVDMJ12" (U0236), XC9572 "DVDMJ13" (U1024).
+ * Toshiba TA7252AP power amplifier (U0847; at left edge, next to AUDIO-IN).
+ * JRC 4560 operational amplifier x2 (U0850, U087; amid battery jungle)
+ * NEC UPC1830GT filter video chroma (U0935; towards lower left).
+ * JRC 2246 video switch x3 (U1015, U1017, U1022; near bottom, above more batteries).
+ * LM1881 Video Sync Separator (U1020).
+ * RAM area A (U0230, U0231; between SEI600 and RISE11) = either 2x Toshiba TC551664BJ-15 or 2x Winbond W26010AJ-15.
+ * RAM area B (U067, U062, U0326, U0327; to left of RISE11) = either 4x G-Link GLT725608-15J3 or 4x Cypress CY7C199-15VC (Ver1.3 board).
+ * RAM area C (U0727, U0728) = either 2x BSI B562LV1024SC-70 or 1x Hitachi HM628512ALFP-7. The latter leaves U0727 unpopulated, revealing a label for
+ a MX23C8000M mask ROM.
+
+******************************************************************************************************************************************************/
+
+
+#include "emu.h"
+#include "includes/seibuspi.h"
+
+#include "cpu/i386/i386.h"
+#include "sound/ymz280b.h"
+#include "screen.h"
+#include "speaker.h"
+
+// TBD, assume same as Seibu SPI
+#define MAIN_CLOCK (XTAL_50MHz/2)
+#define PIXEL_CLOCK (XTAL_28_63636MHz/4)
+
+#define SPI_HTOTAL (448)
+#define SPI_HBEND (0)
+#define SPI_HBSTART (320)
+
+#define SPI_VTOTAL (296)
+#define SPI_VBEND (0)
+#define SPI_VBSTART (240) /* actually 253, but visible area is 240 lines */
+
+
+class seibucats_state : public seibuspi_state
+{
+public:
+ seibucats_state(const machine_config &mconfig, device_type type, const char *tag)
+ : seibuspi_state(mconfig, type, tag),
+ m_ymz(*this, "ymz")
+ {
+ }
+
+ required_device <ymz280b_device> m_ymz;
+ // screen updates
+// uint32_t screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
+// IRQ_CALLBACK_MEMBER(spi_irq_callback);
+// INTERRUPT_GEN_MEMBER(spi_interrupt);
+
+ DECLARE_READ8_MEMBER( sound_r );
+
+protected:
+ // driver_device overrides
+ virtual void machine_start() override;
+ virtual void machine_reset() override;
+
+// virtual void video_start() override;
+
+
+private:
+
+};
+
+READ8_MEMBER( seibucats_state::sound_r )
+{
+ if(offset == 0)
+ return m_ymz->read(space,0);
+
+// printf("read unknown device\n");
+ return machine().rand();
+}
+
+static ADDRESS_MAP_START( seibucats_map, AS_PROGRAM, 32, seibucats_state )
+ // TODO: map devices
+ AM_RANGE(0x00000010, 0x00000013) AM_READ8(spi_status_r, 0x000000ff)
+ AM_RANGE(0x00000484, 0x00000487) AM_WRITE(palette_dma_start_w)
+ AM_RANGE(0x00000490, 0x00000493) AM_WRITE(video_dma_length_w)
+ AM_RANGE(0x00000494, 0x00000497) AM_WRITE(video_dma_address_w)
+ AM_RANGE(0x00000560, 0x00000563) AM_WRITE16(sprite_dma_start_w, 0xffff0000)
+
+ AM_RANGE(0x00000408, 0x0000040f) AM_DEVWRITE8("ymz", ymz280b_device, write, 0x000000ff)
+ AM_RANGE(0x00000600, 0x00000607) AM_READ8( sound_r, 0x0000ffff) //AM_DEVREAD8("ymz", ymz280b_device, read, 0x000000ff)
+
+ AM_RANGE(0x00000000, 0x0003ffff) AM_RAM AM_SHARE("mainram")
+ AM_RANGE(0x00200000, 0x003fffff) AM_ROM AM_REGION("ipl", 0)
+ AM_RANGE(0xffe00000, 0xffffffff) AM_ROM AM_REGION("ipl", 0)
+ADDRESS_MAP_END
+
+static INPUT_PORTS_START( seibucats )
+ /* dummy active high structure */
+ PORT_START("SYSA")
+ PORT_DIPNAME( 0x01, 0x00, "SYSA" )
+ PORT_DIPSETTING( 0x00, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x01, DEF_STR( On ) )
+ PORT_DIPNAME( 0x02, 0x00, DEF_STR( Unknown ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x02, DEF_STR( On ) )
+ PORT_DIPNAME( 0x04, 0x00, DEF_STR( Unknown ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x04, DEF_STR( On ) )
+ PORT_DIPNAME( 0x08, 0x00, DEF_STR( Unknown ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x08, DEF_STR( On ) )
+ PORT_DIPNAME( 0x10, 0x00, DEF_STR( Unknown ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x10, DEF_STR( On ) )
+ 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, DEF_STR( Unknown ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x80, DEF_STR( On ) )
+
+ /* dummy active low structure */
+ PORT_START("DSWA")
+ PORT_DIPNAME( 0x01, 0x01, "DSWA" )
+ 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 ) )
+INPUT_PORTS_END
+
+static const gfx_layout sys386f_spritelayout =
+{
+ 16,16,
+ RGN_FRAC(1,4),
+ 8,
+ { 0, 8, RGN_FRAC(1,4)+0, RGN_FRAC(1,4)+8, RGN_FRAC(2,4)+0, RGN_FRAC(2,4)+8, RGN_FRAC(3,4)+0, RGN_FRAC(3,4)+8 },
+ {
+ 7,6,5,4,3,2,1,0,23,22,21,20,19,18,17,16
+ },
+ {
+ 0*32,1*32,2*32,3*32,4*32,5*32,6*32,7*32,8*32,9*32,10*32,11*32,12*32,13*32,14*32,15*32
+ },
+ 16*32
+};
+
+
+static GFXDECODE_START( seibucats )
+ GFXDECODE_ENTRY( "gfx1", 0, sys386f_spritelayout, 5632, 16 ) // Not used, legacy charlayout
+ GFXDECODE_ENTRY( "gfx2", 0, sys386f_spritelayout, 4096, 24 ) // Not used, legacy tilelayout
+ GFXDECODE_ENTRY( "gfx3", 0, sys386f_spritelayout, 0, 96 )
+GFXDECODE_END
+
+
+void seibucats_state::machine_start()
+{
+}
+
+void seibucats_state::machine_reset()
+{
+}
+
+#if 0
+// do not remove, might be needed for the DVD stuff (unchecked)
+INTERRUPT_GEN_MEMBER(seibucats_state::spi_interrupt)
+{
+ device.execute().set_input_line(0, HOLD_LINE); // where is ack?
+}
+
+IRQ_CALLBACK_MEMBER(seibucats_state::spi_irq_callback)
+{
+ return 0x20;
+}
+#endif
+
+static MACHINE_CONFIG_START( seibucats )
+
+ /* basic machine hardware */
+ MCFG_CPU_ADD("maincpu",I386, MAIN_CLOCK)
+ MCFG_CPU_PROGRAM_MAP(seibucats_map)
+ MCFG_CPU_VBLANK_INT_DRIVER("screen", seibuspi_state, spi_interrupt)
+ MCFG_CPU_IRQ_ACKNOWLEDGE_DRIVER(seibuspi_state, spi_irq_callback)
+
+ /* video hardware */
+ MCFG_SCREEN_ADD("screen", RASTER)
+// MCFG_SCREEN_UPDATE_DRIVER(seibucats_state, screen_update)
+ MCFG_SCREEN_UPDATE_DRIVER(seibuspi_state, screen_update_sys386f)
+ MCFG_SCREEN_RAW_PARAMS(PIXEL_CLOCK, SPI_HTOTAL, SPI_HBEND, SPI_HBSTART, SPI_VTOTAL, SPI_VBEND, SPI_VBSTART)
+
+ MCFG_GFXDECODE_ADD("gfxdecode", "palette", seibucats)
+
+ MCFG_PALETTE_ADD_INIT_BLACK("palette", 8192)
+// MCFG_PALETTE_FORMAT(xBBBBBGGGGGRRRRR)
+ //MCFG_PALETTE_INIT_OWNER(seibucats_state, seibucats)
+
+ /* sound hardware */
+ MCFG_SPEAKER_STANDARD_STEREO("lspeaker", "rspeaker")
+
+ MCFG_SOUND_ADD("ymz", YMZ280B, XTAL_16_384MHz)
+ MCFG_SOUND_ROUTE(0, "lspeaker", 1.0)
+ MCFG_SOUND_ROUTE(1, "rspeaker", 1.0)
+MACHINE_CONFIG_END
+
+
+/***************************************************************************
+
+ Machine driver(s)
+
+***************************************************************************/
+
+// MJ1-1537
+ROM_START( emjscanb )
+ ROM_REGION32_LE( 0x200000, "ipl", 0 ) /* i386 program */
+ ROM_LOAD32_BYTE( "prg0.u016", 0x000000, 0x080000, CRC(6e5c7c16) SHA1(19c00833357b97d0ed91a962e95d3ae2582da66c) )
+ ROM_LOAD32_BYTE( "prg1.u011", 0x000001, 0x080000, CRC(a5a17fdd) SHA1(3295ecb1055cf1ab612eb915aabe8d2895aeca6a) )
+ ROM_LOAD32_BYTE( "prg2.u017", 0x000002, 0x080000, CRC(b89d7693) SHA1(174b2ecfd8a3c593a81905c1c9d62728f710f5d1) )
+ ROM_LOAD32_BYTE( "prg3.u015", 0x000003, 0x080000, CRC(6b38a07b) SHA1(2131ae726fc38c8054801c1de4d17eec5b55dd2d) )
+
+ ROM_REGION( 0x30000, "gfx1", ROMREGION_ERASEFF ) /* text layer roms - none! */
+
+ ROM_REGION( 0x900000, "gfx2", ROMREGION_ERASEFF ) /* background layer roms - none! */
+
+ ROM_REGION( 0x600000, "gfx3", 0)
+ ROM_LOAD("obj1.u0231", 0x000000, 0x200000, NO_DUMP )
+ ROM_LOAD("obj2.u0233", 0x200000, 0x200000, NO_DUMP )
+ ROM_LOAD("obj3.u0232", 0x400000, 0x200000, NO_DUMP )
+// obj4.u0234 empty slot
+
+ DISK_REGION("dvd")
+ DISK_IMAGE_READONLY( "Scandal Blue SKTP-10008", 0, SHA1(17fe67698a9bc5dbd452c4b1afa739294ec2011c) )
+ROM_END
+
+ROM_START( emjtrapz )
+ ROM_REGION32_LE( 0x200000, "ipl", 0 ) /* i386 program */
+ ROM_LOAD32_BYTE( "prg0.u016", 0x000000, 0x080000, CRC(88e4ef2a) SHA1(110451c09983ce4720f75b89282ca49f47169a85) )
+ ROM_LOAD32_BYTE( "prg1.u011", 0x000001, 0x080000, CRC(e4716996) SHA1(6abd84c1e4facf6570988db0a63968a1647144b1) )
+ ROM_LOAD32_BYTE( "prg2.u017", 0x000002, 0x080000, CRC(69995273) SHA1(a7e10d21a524a286acd0a8c19c41a101eee30626) )
+ ROM_LOAD32_BYTE( "prg3.u015", 0x000003, 0x080000, CRC(99f86a19) SHA1(41deb5eb78c0a675da7e1b1bbd5c440e157c7a25) )
+
+ ROM_REGION( 0x30000, "gfx1", ROMREGION_ERASEFF ) /* text layer roms - none! */
+
+ ROM_REGION( 0x900000, "gfx2", ROMREGION_ERASEFF ) /* background layer roms - none! */
+
+ ROM_REGION( 0x600000, "gfx3", 0)
+ ROM_LOAD("obj1.u0231", 0x000000, 0x200000, NO_DUMP )
+ ROM_LOAD("obj2.u0233", 0x200000, 0x200000, NO_DUMP )
+ ROM_LOAD("obj3.u0232", 0x400000, 0x200000, NO_DUMP )
+// obj4.u0234 empty slot
+
+ DISK_REGION("dvd")
+ DISK_IMAGE_READONLY( "Trap Zone SKTP-00009", 0, SHA1(b4a51f42eeaeefc329031651859caa108418a96e) )
+ROM_END
+
+/* 06 */ GAME( 2001, emjscanb, 0, seibucats, seibucats, seibucats_state, 0, ROT0, "Seibu Kaihatsu / CATS", "E-Touch Mahjong Series #6: Scandal Blue - Midara na Daishou (Japan)", MACHINE_NOT_WORKING | MACHINE_NO_SOUND )
+/* 07 */ GAME( 2001, emjtrapz, 0, seibucats, seibucats, seibucats_state, 0, ROT0, "Seibu Kaihatsu / CATS", "E-Touch Mahjong Series #7: Trap Zone - Yokubou no Kaisoku Densha (Japan)", MACHINE_NOT_WORKING | MACHINE_NO_SOUND )