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// license:BSD-3-Clause
// copyright-holders:Angelo Salese
/*

    CES Classic wall games

    driver by Angelo Salese

    Notes:
    - to play Home Run Classic you have to select a pitcher shot and keep pressed the
      wall strobe. When you release the strobe, batter does the swing.

    TODO:
    - custom layout for dual LCDs
    - artwork and lamps position needed to make progresses
    - U43 and U44 bad in Trap Shoot Classic
    - games are incredibly sluggish by now
    - irq sources are unknown
    - sound doesn't play most samples
    - Trap Shoot Classic runs on a single LCD, needs mods

*/


#include "emu.h"
#include "cpu/m68000/m68000.h"
#include "sound/okim6295.h"
#include "rendlay.h"
#include "machine/nvram.h"

class cesclassic_state : public driver_device
{
public:
	cesclassic_state(const machine_config &mconfig, device_type type, const char *tag)
	: driver_device(mconfig, type, tag),
	m_maincpu(*this, "maincpu"),
	m_oki(*this, "oki"),
	m_vram(*this, "vram"),
	m_palette(*this, "palette") { }

	DECLARE_WRITE16_MEMBER(irq2_ack_w);
	DECLARE_WRITE16_MEMBER(irq3_ack_w);
	DECLARE_WRITE16_MEMBER(lamps_w);
	DECLARE_WRITE16_MEMBER(outputs_w);


	UINT32 screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect);
	DECLARE_PALETTE_INIT(cesclassic);
protected:

	// devices
	required_device<cpu_device> m_maincpu;
	required_device<okim6295_device> m_oki;

	required_shared_ptr<UINT16> m_vram;
	required_device<palette_device> m_palette;
	// driver_device overrides
	virtual void video_start() override;

};


void cesclassic_state::video_start()
{
}

UINT32 cesclassic_state::screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect)
{
	int x,y,xi;

	bitmap.fill(m_palette->black_pen(), cliprect);

	{
		for(y=0;y<64;y++)
		{
			for(x=0;x<16;x++)
			{
				for(xi=0;xi<16;xi++)
				{
					UINT8 color;

					color = (((m_vram[x+y*16+0x400])>>(15-xi)) & 1);
					color |= (((m_vram[x+y*16])>>(15-xi)) & 1)<<1;

					if((x*16+xi)<256 && ((y)+0)<256)
						bitmap.pix32(y, x*16+xi) = m_palette->pen(color);
				}
			}
		}
	}

	return 0;
}

WRITE16_MEMBER( cesclassic_state::irq2_ack_w )
{
	m_maincpu->set_input_line(2, CLEAR_LINE);
}

WRITE16_MEMBER( cesclassic_state::irq3_ack_w )
{
	m_maincpu->set_input_line(3, CLEAR_LINE);
}

WRITE16_MEMBER( cesclassic_state::lamps_w )
{
	//popmessage("%04x",data);
}

WRITE16_MEMBER( cesclassic_state::outputs_w )
{
	/*
	-x-- ---- OKI bankswitch
	--x- ---- probably screen enable
	---- --x- coin counter
	*/
	m_oki->set_bank_base((data & 0x40) ? 0x40000 : 0);
	machine().bookkeeping().coin_counter_w(0, data & 2);
	if(data & ~0x62)
	logerror("Output: %02x\n",data);
}

static ADDRESS_MAP_START( cesclassic_map, AS_PROGRAM, 16, cesclassic_state )
	AM_RANGE(0x000000, 0x0fffff) AM_ROM
	AM_RANGE(0x400000, 0x40cfff) AM_RAM
	AM_RANGE(0x40d000, 0x40ffff) AM_RAM AM_SHARE("vram")
	AM_RANGE(0x410000, 0x410001) AM_READ_PORT("VBLANK") //probably m68681 lies there instead
	AM_RANGE(0x410004, 0x410005) AM_WRITE(irq3_ack_w)
	AM_RANGE(0x410006, 0x410007) AM_WRITE(irq2_ack_w)
	AM_RANGE(0x480000, 0x481fff) AM_RAM AM_SHARE("nvram") //8k according to schematics (games doesn't use that much tho)
	AM_RANGE(0x600000, 0x600001) AM_READ_PORT("SYSTEM")
	AM_RANGE(0x610000, 0x610001) AM_WRITE(outputs_w)
//  AM_RANGE(0x640000, 0x640001) AM_WRITENOP
	AM_RANGE(0x640040, 0x640041) AM_WRITE(lamps_w)
	AM_RANGE(0x670000, 0x670001) AM_READ_PORT("DSW")
	AM_RANGE(0x70ff00, 0x70ff01) AM_WRITENOP // writes 0xffff at irq 3 end of service, watchdog?
	AM_RANGE(0x900000, 0x900001) AM_DEVREAD8("oki", okim6295_device, read,0x00ff) // unsure about this ...
	AM_RANGE(0x900100, 0x900101) AM_DEVWRITE8("oki", okim6295_device, write,0x00ff)
//  AM_RANGE(0x904000, 0x904001) AM_WRITENOP //some kind of serial
ADDRESS_MAP_END

static INPUT_PORTS_START( cesclassic )
	PORT_START("SYSTEM")
	PORT_DIPNAME( 0x0001, 0x0001, "SYSTEM" )
	PORT_DIPSETTING(    0x0001, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x0000, DEF_STR( On ) )
	PORT_DIPNAME( 0x0002, 0x0002, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x0002, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x0000, DEF_STR( On ) )
	PORT_DIPNAME( 0x0004, 0x0004, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x0004, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x0000, DEF_STR( On ) )
	PORT_DIPNAME( 0x0008, 0x0008, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x0008, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x0000, DEF_STR( On ) )
	PORT_DIPNAME( 0x0010, 0x0010, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x0010, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x0000, DEF_STR( On ) )
	PORT_DIPNAME( 0x0020, 0x0020, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x0020, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x0000, DEF_STR( On ) )
	PORT_DIPNAME( 0x0040, 0x0040, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x0040, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x0000, DEF_STR( On ) )
	PORT_DIPNAME( 0x0080, 0x0080, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x0080, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x0000, DEF_STR( On ) )
	PORT_DIPNAME( 0x0100, 0x0100, "SYSTEM" ) // hangs system at POST if active
	PORT_DIPSETTING(    0x0100, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x0000, DEF_STR( On ) )
	PORT_DIPNAME( 0x0200, 0x0200, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x0200, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x0000, DEF_STR( On ) )
	PORT_DIPNAME( 0x0400, 0x0400, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x0400, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x0000, DEF_STR( On ) )
	PORT_DIPNAME( 0x0800, 0x0800, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x0800, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x0000, DEF_STR( On ) )
	PORT_BIT(0x1000, IP_ACTIVE_LOW, IPT_COIN1 )
	PORT_BIT(0x2000, IP_ACTIVE_HIGH, IPT_SERVICE )
	PORT_BIT(0x4000, IP_ACTIVE_LOW, IPT_SERVICE1 )
	PORT_BIT(0x8000, IP_ACTIVE_LOW, IPT_BUTTON1 ) // hit strobe

	PORT_START("DSW")
	PORT_DIPNAME( 0x0001, 0x0001, "DSW" )
	PORT_DIPSETTING(    0x0001, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x0000, DEF_STR( On ) )
	PORT_DIPNAME( 0x0002, 0x0002, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x0002, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x0000, DEF_STR( On ) )
	PORT_DIPNAME( 0x0004, 0x0004, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x0004, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x0000, DEF_STR( On ) )
	PORT_DIPNAME( 0x0008, 0x0008, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x0008, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x0000, DEF_STR( On ) )
	PORT_DIPNAME( 0x0010, 0x0010, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x0010, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x0000, DEF_STR( On ) )
	PORT_DIPNAME( 0x0020, 0x0020, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x0020, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x0000, DEF_STR( On ) )
	PORT_DIPNAME( 0x0040, 0x0040, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x0040, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x0000, DEF_STR( On ) )
	PORT_DIPNAME( 0x0080, 0x0080, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x0080, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x0000, DEF_STR( On ) )
	PORT_DIPNAME( 0x0100, 0x0100, "SYSTEM" )
	PORT_DIPSETTING(    0x0100, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x0000, DEF_STR( On ) )
	PORT_DIPNAME( 0x0200, 0x0200, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x0200, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x0000, DEF_STR( On ) )
	PORT_DIPNAME( 0x0400, 0x0400, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x0400, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x0000, DEF_STR( On ) )
	PORT_DIPNAME( 0x0800, 0x0800, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x0800, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x0000, DEF_STR( On ) )
	PORT_DIPNAME( 0x1000, 0x1000, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x1000, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x0000, DEF_STR( On ) )
	PORT_DIPNAME( 0x2000, 0x2000, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x2000, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x0000, DEF_STR( On ) )
	PORT_DIPNAME( 0x4000, 0x4000, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x4000, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x0000, DEF_STR( On ) )
	PORT_DIPNAME( 0x8000, 0x8000, DEF_STR( Unknown ) ) // LCD test
	PORT_DIPSETTING(    0x8000, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x0000, DEF_STR( On ) )

	PORT_START("VBLANK")
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_CUSTOM ) PORT_VBLANK("l_lcd")
INPUT_PORTS_END

PALETTE_INIT_MEMBER(cesclassic_state, cesclassic)
{
	int i;

	for (i = 0; i < 4; i++)
		palette.set_pen_color(i, pal2bit(i), 0, 0);
}

static MACHINE_CONFIG_START( cesclassic, cesclassic_state )

	MCFG_CPU_ADD("maincpu", M68000, 24000000/2 )
	MCFG_CPU_PROGRAM_MAP(cesclassic_map)
	MCFG_CPU_VBLANK_INT_DRIVER("l_lcd", cesclassic_state,  irq2_line_assert)  // TODO: unknown sources
	MCFG_CPU_PERIODIC_INT_DRIVER(cesclassic_state, irq3_line_assert, 60*8)

	MCFG_NVRAM_ADD_0FILL("nvram")

	/* video hardware */
	MCFG_SCREEN_ADD("l_lcd", LCD)
	MCFG_SCREEN_REFRESH_RATE(60)
	MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500))
	MCFG_SCREEN_UPDATE_DRIVER(cesclassic_state, screen_update)
	MCFG_SCREEN_SIZE(8*16*2, 8*8+3*8)
	MCFG_SCREEN_VISIBLE_AREA(0*8, 8*16*2-1, 0*8, 8*8-1)
	MCFG_DEFAULT_LAYOUT( layout_lcd )

	MCFG_PALETTE_ADD("palette", 4)
	MCFG_PALETTE_INIT_OWNER(cesclassic_state, cesclassic)

	MCFG_SPEAKER_STANDARD_MONO("mono")
	MCFG_OKIM6295_ADD("oki", 24000000/16, OKIM6295_PIN7_LOW)
	MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.5)
MACHINE_CONFIG_END


ROM_START(hrclass)
	ROM_REGION( 0x100000, "maincpu", 0 )
	ROM_LOAD16_BYTE("hrclassic-v121-u44.bin", 0x000000, 0x80000, CRC(cbbbbbdb) SHA1(d406a27a823f5e530a9cf7615c396fe52df1c387) )
	ROM_LOAD16_BYTE("hrclassic-v121-u43.bin", 0x000001, 0x80000, CRC(f136aec3) SHA1(7823e81eb79c7575c1d6c2ae0848c2b9943ee6ef) )

	ROM_REGION( 0x80000, "oki", 0 )
	ROM_LOAD( "hrclassic-v100-u28.bin", 0x00000, 0x80000, CRC(45d15b3a) SHA1(a11ce27a77ea353034c5f498cb46ef5ed787b0f9) )
ROM_END

ROM_START(ccclass)
	ROM_REGION( 0x100000, "maincpu", 0 )
	ROM_LOAD16_BYTE("ccclassic-v110-u44.bin", 0x000000, 0x80000, CRC(63b63f3a) SHA1(d4b6f401815b05ac0c6c259bb066663d4c2ee132) )
	ROM_LOAD16_BYTE("ccclassic-v110-u43.bin", 0x000001, 0x80000, CRC(c1b420df) SHA1(9f1f22e6b27abcede6880a1a8ad5399ce582dab1) )

	ROM_REGION( 0x80000, "oki", 0 )
	ROM_LOAD( "ccclassic-v100-u28.bin", 0x00000, 0x80000, CRC(94190a55) SHA1(fb219401431747fc3840da02c4e933d4c23049b7) )
ROM_END

ROM_START(tsclass)
	ROM_REGION( 0x100000, "maincpu", 0 )
	ROM_LOAD("tsclassic-v100-u43u44.bin", 0x000000, 0x100000, BAD_DUMP CRC(a820ec9a) SHA1(84e38c7e54bb9e80142ed4e7763c9e36df560f42) )

	ROM_REGION( 0x80000, "oki", 0 )
	ROM_LOAD( "tsclassic-v100-u28.bin", 0x00000, 0x80000, CRC(5bf53ca3) SHA1(5767391175fa9488ba0fb17a16de6d5013712a01) )
ROM_END


GAME(1997, hrclass, 0, cesclassic, cesclassic, driver_device, 0, ROT0, "Creative Electronics And Software", "Home Run Classic (v1.21 12-feb-1997)", MACHINE_NOT_WORKING | MACHINE_IMPERFECT_SOUND )
GAME(1997, ccclass, 0, cesclassic, cesclassic, driver_device, 0, ROT0, "Creative Electronics And Software", "Country Club Classic (v1.10 03-apr-1997)", MACHINE_NOT_WORKING | MACHINE_IMPERFECT_SOUND )
GAME(1997, tsclass, 0, cesclassic, cesclassic, driver_device, 0, ROT0, "Creative Electronics And Software", "Trap Shoot Classic (v1.0 21-mar-1997)", MACHINE_NOT_WORKING | MACHINE_IMPERFECT_SOUND )