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path: root/src/mame/drivers/jollyjgr.c
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/*

Jolly Jogger
Taito, 1982

PCB Layout
----------

FGO70007
KDN00004
KDK00502
|----------------------------------------------------------|
|             TMM416  TMM416  TMM416  TMM416               |
|             TMM416  TMM416  TMM416  TMM416              |-|
|             TMM416  TMM416  TMM416  TMM416              | |
|             TMM416  TMM416  TMM416  TMM416              | |
|                                                         | |
|                                                         | |
|                                                         | |
|                                                         | |
|2                                                        |-|
|2                                                         |
|W   DSW1(8)                                     KD13.1F   |
|A                                                         |
|Y                                                         |
|                                                         |-|
|                                                         | |
|                                                         | |
|                                                         | |
|                MB14241                                  | |
|    DSW2(8)                                              | |
|                                                         | |
|                                                         |-|
|    VOL         AY3-8910     3.579545MHz                  |
|----------------------------------------------------------|

FGO70008
KDN00007
|----------------------------------------------------------|
|                                                          |
|                                            6116         |-|
|                                                         | |
|                                            KD21.8J      | |
|   D2125          D2125                                  | |
|                                            KD20.8H      | |
|   D2125          D2125                                  | |
|                                            KD19.8F      | |
|   D2125          D2125                                  |-|
|                                            KD18.8E       |
|   D2125          D2125                                   |
|                                            KD17.8D       |
|   D2125          D2125        Z80                        |
|                                            KD16.8C      |-|
|                                                         | |
|                                            KD15.8B      | |
|                                                         | |
|                                            KD14.8A      | |
|                                                         | |
|                                                         | |
|                                                         |-|
|                                                          |
|----------------------------------------------------------|

FGO70009
KDN00006
|----------------------------------------------------------|
|                                                18MHz     |
|                                                         |-|
|                                                         | |
|                                                         | |
|                                                         | |
|                                                         | |
|                                                         | |
|                         KD11.5H   KD12.7H               | |
|                                                         |-|
|1                                                         |
|8                                                         |
|W                                                         |
|A                                                         |
|Y                                                        |-|
|                                                         | |
|                                                         | |
|                                                         | |
|   KD09.1C  KD10.2C                                      | |
|                                                         | |
|                                                         | |
|               2114  2114     2114  2114  2114  2114     |-|
|                                                          |
|----------------------------------------------------------|


  driver by Pierpaolo Prazzoli

Notes:
  The hardware is very similar to Galaxian but has some differencies, like the 3bpp bitmap addition
  To advance input tests, press Tilt button

*/

#include "emu.h"
#include "cpu/z80/z80.h"
#include "sound/ay8910.h"


class jollyjgr_state : public driver_device
{
public:
	jollyjgr_state(const machine_config &mconfig, device_type type, const char *tag)
		: driver_device(mconfig, type, tag) ,
		m_videoram(*this, "videoram"),
		m_colorram(*this, "colorram"),
		m_spriteram(*this, "spriteram"),
		m_bitmap(*this, "bitmap"),
		m_bulletram(*this, "bulletram"){ }

	/* memory pointers */
	required_shared_ptr<UINT8> m_videoram;
	required_shared_ptr<UINT8> m_colorram;
	required_shared_ptr<UINT8> m_spriteram;
	required_shared_ptr<UINT8> m_bitmap;
	optional_shared_ptr<UINT8> m_bulletram;

	/* video-related */
	tilemap_t  *m_bg_tilemap;

	/* misc */
	UINT8      m_nmi_enable;
	UINT8      m_flip_x;
	UINT8      m_flip_y;
	UINT8      m_bitmap_disable;
	UINT8      m_tilemap_bank;
	UINT8      m_pri;
	DECLARE_WRITE8_MEMBER(jollyjgr_videoram_w);
	DECLARE_WRITE8_MEMBER(jollyjgr_attrram_w);
	DECLARE_WRITE8_MEMBER(jollyjgr_misc_w);
	DECLARE_WRITE8_MEMBER(jollyjgr_coin_lookout_w);
	TILE_GET_INFO_MEMBER(get_bg_tile_info);
	virtual void machine_start();
	virtual void machine_reset();
	virtual void video_start();
	virtual void palette_init();
	UINT32 screen_update_jollyjgr(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
	UINT32 screen_update_fspider(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
	INTERRUPT_GEN_MEMBER(jollyjgr_interrupt);
};


/*************************************
 *
 *  Memory handlers
 *
 *************************************/

WRITE8_MEMBER(jollyjgr_state::jollyjgr_videoram_w)
{
	m_videoram[offset] = data;
	m_bg_tilemap->mark_tile_dirty(offset);
}

WRITE8_MEMBER(jollyjgr_state::jollyjgr_attrram_w)
{
	if (offset & 1)
	{
		/* color change */
		int i;

		for (i = offset >> 1; i < 0x0400; i += 32)
			m_bg_tilemap->mark_tile_dirty(i);
	}
	else
	{
		m_bg_tilemap->set_scrolly(offset >> 1, data);
	}

	m_colorram[offset] = data;
}

WRITE8_MEMBER(jollyjgr_state::jollyjgr_misc_w)
{
	// they could be swapped, because it always set "data & 3"
	m_flip_x = data & 1;
	m_flip_y = data & 2;

	// same for these two (used by Frog & Spiders)
	m_bitmap_disable = data & 0x40;
	m_tilemap_bank = data & 0x20;

	m_pri = data & 4;

	m_bg_tilemap->set_flip((m_flip_x ? TILEMAP_FLIPX : 0) | (m_flip_y ? TILEMAP_FLIPY : 0));

	m_nmi_enable = data & 0x80;
}

WRITE8_MEMBER(jollyjgr_state::jollyjgr_coin_lookout_w)
{
	coin_lockout_global_w(machine(), data & 1);

	/* bits 4, 5, 6 and 7 are used too */
}

/*************************************
 *
 *  Address maps
 *
 *************************************/

static ADDRESS_MAP_START( jollyjgr_map, AS_PROGRAM, 8, jollyjgr_state )
	AM_RANGE(0x0000, 0x7fff) AM_ROM
	AM_RANGE(0x8000, 0x87ff) AM_RAM
	AM_RANGE(0x8ff8, 0x8ff8) AM_READ_PORT("DSW1")
	AM_RANGE(0x8ff9, 0x8ff9) AM_READ_PORT("INPUTS")
	AM_RANGE(0x8ff8, 0x8ff8) AM_DEVWRITE_LEGACY("aysnd", ay8910_address_w)
	AM_RANGE(0x8ffa, 0x8ffa) AM_READ_PORT("SYSTEM") AM_DEVWRITE_LEGACY("aysnd", ay8910_data_w)
	AM_RANGE(0x8ffc, 0x8ffc) AM_WRITE(jollyjgr_misc_w)
	AM_RANGE(0x8ffd, 0x8ffd) AM_WRITE(jollyjgr_coin_lookout_w)
	AM_RANGE(0x8fff, 0x8fff) AM_READ_PORT("DSW2")
	AM_RANGE(0x9000, 0x93ff) AM_RAM_WRITE(jollyjgr_videoram_w) AM_SHARE("videoram")
	AM_RANGE(0x9800, 0x983f) AM_RAM_WRITE(jollyjgr_attrram_w) AM_SHARE("colorram")
	AM_RANGE(0x9840, 0x987f) AM_RAM AM_SHARE("spriteram")
	AM_RANGE(0x9880, 0x9bff) AM_RAM
	AM_RANGE(0xa000, 0xffff) AM_RAM AM_SHARE("bitmap")
ADDRESS_MAP_END

static ADDRESS_MAP_START( fspider_map, AS_PROGRAM, 8, jollyjgr_state )
	AM_RANGE(0x0000, 0x7fff) AM_ROM
	AM_RANGE(0x8000, 0x87ff) AM_RAM
	AM_RANGE(0x8ff8, 0x8ff8) AM_READ_PORT("DSW1")
	AM_RANGE(0x8ff9, 0x8ff9) AM_READ_PORT("INPUTS")
	AM_RANGE(0x8ff8, 0x8ff8) AM_DEVWRITE_LEGACY("aysnd", ay8910_address_w)
	AM_RANGE(0x8ffa, 0x8ffa) AM_READ_PORT("SYSTEM") AM_DEVWRITE_LEGACY("aysnd", ay8910_data_w)
	AM_RANGE(0x8ffc, 0x8ffc) AM_WRITE(jollyjgr_misc_w)
	AM_RANGE(0x8ffd, 0x8ffd) AM_WRITE(jollyjgr_coin_lookout_w)
	AM_RANGE(0x8fff, 0x8fff) AM_READ_PORT("DSW2")
	AM_RANGE(0x9000, 0x93ff) AM_RAM_WRITE(jollyjgr_videoram_w) AM_SHARE("videoram")
	AM_RANGE(0x9800, 0x983f) AM_RAM_WRITE(jollyjgr_attrram_w) AM_SHARE("colorram")
	AM_RANGE(0x9840, 0x987f) AM_RAM AM_SHARE("spriteram")
	AM_RANGE(0x9880, 0x989f) AM_RAM // ?
	AM_RANGE(0x98a0, 0x98af) AM_RAM AM_SHARE("bulletram")
	AM_RANGE(0x98b0, 0x9bff) AM_RAM // ?
	AM_RANGE(0xa000, 0xffff) AM_RAM AM_SHARE("bitmap")
ADDRESS_MAP_END



/*************************************
 *
 *  Input ports
 *
 *************************************/

static INPUT_PORTS_START( jollyjgr )
	PORT_START("DSW1")
	PORT_DIPNAME( 0x03, 0x02, DEF_STR( Bonus_Life ) )   PORT_DIPLOCATION("SW1:!1,!2")
	PORT_DIPSETTING(    0x03, "10000" )
	PORT_DIPSETTING(    0x02, "20000" )
	PORT_DIPSETTING(    0x01, "30000" )
	PORT_DIPSETTING(    0x00, "40000" )
	PORT_DIPNAME( 0x04, 0x00, DEF_STR( Free_Play ) )    PORT_DIPLOCATION("SW1:!3")
	PORT_DIPSETTING(    0x00, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x04, DEF_STR( On ) )
	PORT_DIPNAME( 0x18, 0x10, "Timer" )         PORT_DIPLOCATION("SW1:!4,!5")
	PORT_DIPSETTING(    0x18, "2 min 20 sec" )
	PORT_DIPSETTING(    0x10, "2 min 40 sec" )
	PORT_DIPSETTING(    0x08, "3 min" )
	PORT_DIPSETTING(    0x00, "3 min 20 sec" )
	PORT_SERVICE( 0x20, IP_ACTIVE_HIGH )            PORT_DIPLOCATION("SW1:!6")
	PORT_DIPNAME( 0x40, 0x00, DEF_STR( Flip_Screen ) )  PORT_DIPLOCATION("SW1:!7") // it works only when Cabinet is set to Upright
	PORT_DIPSETTING(    0x00, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x40, DEF_STR( On ) )
	PORT_DIPNAME( 0x80, 0x80, DEF_STR( Cabinet ) )      PORT_DIPLOCATION("SW1:!8")
	PORT_DIPSETTING(    0x80, DEF_STR( Upright ) )
	PORT_DIPSETTING(    0x00, DEF_STR( Cocktail ) )

	PORT_START("DSW2")
	PORT_DIPNAME( 0x03, 0x03, DEF_STR( Coinage ) )      PORT_DIPLOCATION("SW2:!1,!2")
	PORT_DIPSETTING(    0x00, DEF_STR( 3C_1C ) )
	PORT_DIPSETTING(    0x01, DEF_STR( 2C_1C ) )
	PORT_DIPSETTING(    0x03, DEF_STR( 1C_1C ) )
	PORT_DIPSETTING(    0x02, DEF_STR( 1C_2C ) )
	PORT_DIPNAME( 0x0c, 0x0c, DEF_STR( Lives ) )        PORT_DIPLOCATION("SW2:!3,!4")
	PORT_DIPSETTING(    0x0c, "3" )
	PORT_DIPSETTING(    0x08, "4" )
	PORT_DIPSETTING(    0x04, "5" )
	PORT_DIPSETTING(    0x00, "6" )
	PORT_DIPNAME( 0x10, 0x00, "Display Coinage" )       PORT_DIPLOCATION("SW2:!5")
	PORT_DIPSETTING(    0x10, DEF_STR( No ) )
	PORT_DIPSETTING(    0x00, DEF_STR( Yes ) )
	PORT_DIPNAME( 0x20, 0x00, "Display Year" )      PORT_DIPLOCATION("SW2:!6")
	PORT_DIPSETTING(    0x20, DEF_STR( No ) )
	PORT_DIPSETTING(    0x00, DEF_STR( Yes ) )
	PORT_DIPNAME( 0x40, 0x00, "No Hit" )            PORT_DIPLOCATION("SW2:!7")
	PORT_DIPSETTING(    0x00, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x40, DEF_STR( On ) )
	PORT_DIPNAME( 0x80, 0x00, "Number of Coin Switches" )   PORT_DIPLOCATION("SW2:!8")
	PORT_DIPSETTING(    0x80, "1" )
	PORT_DIPSETTING(    0x00, "2" )

	PORT_START("INPUTS")
	PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_JOYSTICK_UP ) PORT_4WAY
	PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_JOYSTICK_DOWN ) PORT_4WAY
	PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_JOYSTICK_RIGHT ) PORT_4WAY
	PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_JOYSTICK_LEFT ) PORT_4WAY
	PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_JOYSTICK_UP ) PORT_4WAY PORT_COCKTAIL
	PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_JOYSTICK_DOWN ) PORT_4WAY PORT_COCKTAIL
	PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_JOYSTICK_RIGHT ) PORT_4WAY PORT_COCKTAIL
	PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_JOYSTICK_LEFT ) PORT_4WAY PORT_COCKTAIL

	PORT_START("SYSTEM")
	PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_SERVICE1 )
	PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_UNKNOWN )
	PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_COIN1 )
	PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_COIN2 )
	PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_START1 )
	PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_START2 )
	PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_UNKNOWN )
	PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_TILT )
INPUT_PORTS_END

static INPUT_PORTS_START( fspider )
	PORT_START("DSW1")
	PORT_DIPNAME( 0x0f, 0x0f, DEF_STR( Coin_A ) )       PORT_DIPLOCATION("SW1:!1,!2,!3,!4")
	PORT_DIPSETTING(    0x00, DEF_STR( 9C_1C ) )
	PORT_DIPSETTING(    0x01, DEF_STR( 8C_1C ) )
	PORT_DIPSETTING(    0x02, DEF_STR( 7C_1C ) )
	PORT_DIPSETTING(    0x03, DEF_STR( 6C_1C ) )
	PORT_DIPSETTING(    0x04, DEF_STR( 5C_1C ) )
	PORT_DIPSETTING(    0x05, DEF_STR( 4C_1C ) )
	PORT_DIPSETTING(    0x06, DEF_STR( 3C_1C ) )
	PORT_DIPSETTING(    0x07, DEF_STR( 2C_1C ) )
	PORT_DIPSETTING(    0x0f, DEF_STR( 1C_1C ) )
	PORT_DIPSETTING(    0x0e, DEF_STR( 1C_2C ) )
	PORT_DIPSETTING(    0x0d, DEF_STR( 1C_3C ) )
	PORT_DIPSETTING(    0x0c, DEF_STR( 1C_4C ) )
	PORT_DIPSETTING(    0x0b, DEF_STR( 1C_5C ) )
	PORT_DIPSETTING(    0x0a, DEF_STR( 1C_6C ) )
	PORT_DIPSETTING(    0x09, DEF_STR( 1C_7C ) )
	PORT_DIPSETTING(    0x08, DEF_STR( 1C_8C ) )

	PORT_DIPNAME( 0xf0, 0xf0, DEF_STR( Coin_B ) )       PORT_DIPLOCATION("SW1:!5,!6,!7,!8")
	PORT_DIPSETTING(    0x00, DEF_STR( 9C_1C ) )
	PORT_DIPSETTING(    0x10, DEF_STR( 8C_1C ) )
	PORT_DIPSETTING(    0x20, DEF_STR( 7C_1C ) )
	PORT_DIPSETTING(    0x30, DEF_STR( 6C_1C ) )
	PORT_DIPSETTING(    0x40, DEF_STR( 5C_1C ) )
	PORT_DIPSETTING(    0x50, DEF_STR( 4C_1C ) )
	PORT_DIPSETTING(    0x60, DEF_STR( 3C_1C ) )
	PORT_DIPSETTING(    0x70, DEF_STR( 2C_1C ) )
	PORT_DIPSETTING(    0xf0, DEF_STR( 1C_1C ) )
	PORT_DIPSETTING(    0xe0, DEF_STR( 1C_2C ) )
	PORT_DIPSETTING(    0xd0, DEF_STR( 1C_3C ) )
	PORT_DIPSETTING(    0xc0, DEF_STR( 1C_4C ) )
	PORT_DIPSETTING(    0xb0, DEF_STR( 1C_5C ) )
	PORT_DIPSETTING(    0xa0, DEF_STR( 1C_6C ) )
	PORT_DIPSETTING(    0x90, DEF_STR( 1C_7C ) )
	PORT_DIPSETTING(    0x80, DEF_STR( 1C_8C ) )

	PORT_START("DSW2")
	PORT_DIPNAME( 0x03, 0x00, DEF_STR( Lives ) )        PORT_DIPLOCATION("SW2:!1,!2")
	PORT_DIPSETTING(    0x00, "3" )
	PORT_DIPSETTING(    0x01, "4" )
	PORT_DIPSETTING(    0x02, "5" )
	PORT_DIPSETTING(    0x03, "6" )
	PORT_DIPNAME( 0x0c, 0x00, DEF_STR( Bonus_Life ) )   PORT_DIPLOCATION("SW2:!3,!4")
	PORT_DIPSETTING(    0x00, "10000" )
	PORT_DIPSETTING(    0x04, "20000" )
	PORT_DIPSETTING(    0x08, "30000" )
	PORT_DIPSETTING(    0x0c, "40000" )
	PORT_DIPNAME( 0x10, 0x10, "Display Coinage Settings" )  PORT_DIPLOCATION("SW2:!5")
	PORT_DIPSETTING(    0x00, DEF_STR( No ) )
	PORT_DIPSETTING(    0x10, DEF_STR( Yes ) )
	PORT_DIPNAME( 0x20, 0x20, "Show only 1P Coinage" )  PORT_DIPLOCATION("SW2:!6")
	PORT_DIPSETTING(    0x20, DEF_STR( No ) )
	PORT_DIPSETTING(    0x00, DEF_STR( Yes ) )
	PORT_DIPNAME( 0x40, 0x00, DEF_STR( Cabinet ) )      PORT_DIPLOCATION("SW2:!7")
	PORT_DIPSETTING(    0x40, DEF_STR( Upright ) )
	PORT_DIPSETTING(    0x00, DEF_STR( Cocktail ) )
	PORT_DIPNAME( 0x80, 0x00, DEF_STR( Free_Play ) )    PORT_DIPLOCATION("SW2:!8")
	PORT_DIPSETTING(    0x00, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x80, DEF_STR( On ) )

	PORT_START("INPUTS")
	PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_JOYSTICK_LEFT ) PORT_2WAY
	PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_JOYSTICK_RIGHT ) PORT_2WAY
	PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_BUTTON1 )
	PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_BUTTON2 )
	PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_JOYSTICK_LEFT ) PORT_2WAY PORT_COCKTAIL
	PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_JOYSTICK_RIGHT ) PORT_2WAY PORT_COCKTAIL
	PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_BUTTON1 ) PORT_COCKTAIL
	PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_BUTTON2 ) PORT_COCKTAIL

	PORT_START("SYSTEM")
	PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_SERVICE1 )
	PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_UNKNOWN )
	PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_COIN1 )
	PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_COIN2 )
	PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_START1 )
	PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_START2 )
	PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_UNKNOWN )
	PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_TILT )
INPUT_PORTS_END

/*************************************
 *
 *  Video emulation
 *
 *************************************/

void jollyjgr_state::palette_init()
{
	const UINT8 *color_prom = machine().root_device().memregion("proms")->base();
	int i;

	/* tilemap / sprites palette */
	for (i = 0; i < 32; i++)
	{
		int bit0, bit1, bit2, r, g, b;

		/* red component */
		bit0 = BIT(*color_prom, 0);
		bit1 = BIT(*color_prom, 1);
		bit2 = BIT(*color_prom, 2);
		r = 0x21 * bit0 + 0x47 * bit1 + 0x97 * bit2;
		/* green component */
		bit0 = BIT(*color_prom, 3);
		bit1 = BIT(*color_prom, 4);
		bit2 = BIT(*color_prom, 5);
		g = 0x21 * bit0 + 0x47 * bit1 + 0x97 * bit2;
		/* blue component */
		bit0 = BIT(*color_prom, 6);
		bit1 = BIT(*color_prom, 7);
		b = 0x4f * bit0 + 0xa8 * bit1;

		palette_set_color(machine(), i, MAKE_RGB(r,g,b));
		color_prom++;
	}

	/* bitmap palette */
	for (i = 0;i < 8;i++)
		palette_set_color_rgb(machine(), 32 + i, pal1bit(i >> 0), pal1bit(i >> 1), pal1bit(i >> 2));
}

/* Tilemap is the same as in Galaxian */
TILE_GET_INFO_MEMBER(jollyjgr_state::get_bg_tile_info)
{
	int color = m_colorram[((tile_index & 0x1f) << 1) | 1] & 7;
	int region = (m_tilemap_bank & 0x20) ? 2 : 0;
	SET_TILE_INFO_MEMBER(region, m_videoram[tile_index], color, 0);
}

void jollyjgr_state::video_start()
{
	m_bg_tilemap = &machine().tilemap().create(tilemap_get_info_delegate(FUNC(jollyjgr_state::get_bg_tile_info),this), TILEMAP_SCAN_ROWS, 8, 8, 32, 32);

	m_bg_tilemap->set_transparent_pen(0);
	m_bg_tilemap->set_scroll_cols(32);
}

static void draw_bitmap( running_machine &machine, bitmap_ind16 &bitmap )
{
	jollyjgr_state *state = machine.driver_data<jollyjgr_state>();
	int x, y, count;
	int i, bit0, bit1, bit2;
	int color;

	count = 0;
	for (y = 0; y < 256; y++)
	{
		for (x = 0; x < 256 / 8; x++)
		{
			for(i = 0; i < 8; i++)
			{
				bit0 = (state->m_bitmap[count] >> i) & 1;
				bit1 = (state->m_bitmap[count + 0x2000] >> i) & 1;
				bit2 = (state->m_bitmap[count + 0x4000] >> i) & 1;
				color = bit0 | (bit1 << 1) | (bit2 << 2);

				if(color)
				{
					if(state->m_flip_x && state->m_flip_y)
						bitmap.pix16(y, x * 8 + i) = color + 32;
					else if(state->m_flip_x && !state->m_flip_y)
						bitmap.pix16(255 - y, x * 8 + i) = color + 32;
					else if(!state->m_flip_x && state->m_flip_y)
						bitmap.pix16(y, 255 - x * 8 - i) = color + 32;
					else
						bitmap.pix16(255 - y, 255 - x * 8 - i) = color + 32;
				}
			}

			count++;
		}
	}
}

UINT32 jollyjgr_state::screen_update_jollyjgr(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
{
	UINT8 *spriteram = m_spriteram;
	int offs;

	bitmap.fill(32, cliprect);

	if(m_pri) //used in Frog & Spiders level 3
	{
		if(!(m_bitmap_disable))
			draw_bitmap(machine(), bitmap);

		m_bg_tilemap->draw(bitmap, cliprect, 0, 0);
	}
	else
	{
		m_bg_tilemap->draw(bitmap, cliprect, 0, 0);

		if(!(m_bitmap_disable))
			draw_bitmap(machine(), bitmap);
	}

	/* Sprites are the same as in Galaxian */
	for (offs = 0; offs < 0x40; offs += 4)
	{
		int sx = spriteram[offs + 3] + 1;
		int sy = spriteram[offs];
		int flipx = spriteram[offs + 1] & 0x40;
		int flipy = spriteram[offs + 1] & 0x80;
		int code = spriteram[offs + 1] & 0x3f;
		int color = spriteram[offs + 2] & 7;

		if (m_flip_x)
		{
			sx = 240 - sx;
			flipx = !flipx;
		}

		if (m_flip_y)
			flipy = !flipy;
		else
			sy = 240 - sy;

		if (offs < 3 * 4)
			sy++;

		drawgfx_transpen(bitmap,cliprect,machine().gfx[1],
				code,color,
				flipx,flipy,
				sx,sy,0);

	}
	return 0;
}

UINT32 jollyjgr_state::screen_update_fspider(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
{
	// Draw bg and sprites
	screen_update_jollyjgr(screen, bitmap, cliprect);

	/* Draw bullets
	16 bytes, 2 bytes per bullet (y,x). 2 player bullets, 6 enemy bullets.
	Assume bullets to look the same as on Galaxian hw,
	that is, simply 4 pixels. Colours are unknown. */
	for (int offs=0;offs<0x10;offs+=2) {
		UINT8 sy=~m_bulletram[offs];
		UINT8 sx=~m_bulletram[offs|1];
		UINT16 bc=(offs<4)?
			32+7: // player, white
			32+3; // enemy, yellow

		if (m_flip_y) sy^=0xff;
		if (m_flip_x) sx+=8;

		if (sy>=cliprect.min_y && sy<=cliprect.max_y)
			for (int x=sx-4;x<sx;x++)
				if (x>=cliprect.min_x && x<=cliprect.max_x)
					bitmap.pix16(sy, x)=bc;
	}

	return 0;
}

/*************************************
 *
 *  Graphics definitions
 *
 *************************************/

static const gfx_layout jollyjgr_charlayout =
{
	8,8,
	RGN_FRAC(1,2),
	2,
	{ RGN_FRAC(0,2), RGN_FRAC(1,2) },
	{ 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 const gfx_layout jollyjgr_spritelayout =
{
	16,16,
	RGN_FRAC(1,2),
	2,
	{ RGN_FRAC(0,2), RGN_FRAC(1,2) },
	{ 0, 1, 2, 3, 4, 5, 6, 7,
		8*8+0, 8*8+1, 8*8+2, 8*8+3, 8*8+4, 8*8+5, 8*8+6, 8*8+7 },
	{ 0*8, 1*8, 2*8, 3*8, 4*8, 5*8, 6*8, 7*8,
		16*8, 17*8, 18*8, 19*8, 20*8, 21*8, 22*8, 23*8 },
	32*8
};

static GFXDECODE_START( jollyjgr )
	GFXDECODE_ENTRY( "gfx1", 0, jollyjgr_charlayout,   0, 8 )
	GFXDECODE_ENTRY( "gfx2", 0, jollyjgr_spritelayout, 0, 8 )
	GFXDECODE_ENTRY( "gfx3", 0, jollyjgr_charlayout,   0, 8 )
GFXDECODE_END


/*************************************
 *
 *  Machine driver
 *
 *************************************/

INTERRUPT_GEN_MEMBER(jollyjgr_state::jollyjgr_interrupt)
{
	if(m_nmi_enable)
		device.execute().set_input_line(INPUT_LINE_NMI, PULSE_LINE);
}


void jollyjgr_state::machine_start()
{
	save_item(NAME(m_nmi_enable));
	save_item(NAME(m_flip_x));
	save_item(NAME(m_flip_y));
	save_item(NAME(m_bitmap_disable));
	save_item(NAME(m_tilemap_bank));
}

void jollyjgr_state::machine_reset()
{
	m_nmi_enable = 0;
	m_flip_x = 0;
	m_flip_y = 0;
	m_bitmap_disable = 0;
	m_tilemap_bank = 0;
}

static MACHINE_CONFIG_START( jollyjgr, jollyjgr_state )

	/* basic machine hardware */
	MCFG_CPU_ADD("maincpu", Z80, 3579545)        /* 3,579545 MHz */
	MCFG_CPU_PROGRAM_MAP(jollyjgr_map)
	MCFG_CPU_VBLANK_INT_DRIVER("screen", jollyjgr_state,  jollyjgr_interrupt)


	/* video hardware */
	MCFG_SCREEN_ADD("screen", RASTER)
	MCFG_SCREEN_REFRESH_RATE(60)
	MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(0))
	MCFG_SCREEN_SIZE(256, 256)
	MCFG_SCREEN_VISIBLE_AREA(0*8, 32*8-1, 2*8, 30*8-1)
	MCFG_SCREEN_UPDATE_DRIVER(jollyjgr_state, screen_update_jollyjgr)

	MCFG_GFXDECODE(jollyjgr)
	MCFG_PALETTE_LENGTH(32+8) /* 32 for tilemap and sprites + 8 for the bitmap */


	/* sound hardware */
	MCFG_SPEAKER_STANDARD_MONO("mono")

	MCFG_SOUND_ADD("aysnd", AY8910, 3579545)
	MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.45)
MACHINE_CONFIG_END

static MACHINE_CONFIG_DERIVED( fspider, jollyjgr )

	MCFG_CPU_MODIFY("maincpu")
	MCFG_CPU_PROGRAM_MAP(fspider_map)

	MCFG_SCREEN_MODIFY("screen")
	MCFG_SCREEN_UPDATE_DRIVER(jollyjgr_state, screen_update_fspider)

MACHINE_CONFIG_END

/*************************************
 *
 *  ROM definition(s)
 *
 *************************************/

ROM_START( jollyjgr )
	ROM_REGION( 0x10000, "maincpu", 0 )
	ROM_LOAD( "kd14.8a",      0x0000, 0x1000, CRC(404cfa2b) SHA1(023abecbc614d1deb6a239906f62e25bb688ac14) )
	ROM_LOAD( "kd15.8b",      0x1000, 0x1000, CRC(4cdc4c8b) SHA1(07257863a2de3a0e6bc1b41b8dcaae8c89bc4720) )
	ROM_LOAD( "kd16.8c",      0x2000, 0x1000, CRC(a2fa3500) SHA1(b85439e43a31c3445420896c231ac59f95331226) )
	ROM_LOAD( "kd17.8d",      0x3000, 0x1000, CRC(a5ab8c89) SHA1(b5a41581bba1c26ac3819aded29aeb48a5de64f8) )
	ROM_LOAD( "kd18.8e",      0x4000, 0x1000, CRC(8547c9a7) SHA1(43319a2271a294c2876e87a30bb7667b67582b76) )
	ROM_LOAD( "kd19.8f",      0x5000, 0x1000, CRC(2d0ed544) SHA1(547bcecd7d97f343de721d6af5f13ae6f787d838) )
	ROM_LOAD( "kd20.8h",      0x6000, 0x1000, CRC(017a0e5a) SHA1(23e066fea44690279ff7b3b65b03e4096e4d2984) )
	ROM_LOAD( "kd21.8j",      0x7000, 0x1000, CRC(e4faed01) SHA1(9b9afaff6cc4addfed7c1929a0d845bfbe9d18cc) )

	ROM_REGION( 0x1000, "gfx1", 0 )
	ROM_LOAD( "kd09.1c",      0x0000, 0x0800, CRC(ecafd535) SHA1(a1f0bee247e6ab4f9fc3578560b62f5913b4ece2) )
	ROM_LOAD( "kd10.2c",      0x0800, 0x0800, CRC(e40fc594) SHA1(1a9bd670dda0405600e4c4d0107b881906969991) )

	ROM_REGION( 0x1000, "gfx2", 0 )
	ROM_LOAD( "kd11.5h",      0x0000, 0x0800, CRC(d686245c) SHA1(73567b15d9399e450121ad01ad2dcb91bedc1099) )
	ROM_LOAD( "kd12.7h",      0x0800, 0x0800, CRC(d69cbb4e) SHA1(f33cc161f93cae9cc314067fa2453838fa8ac3ba) )

	ROM_REGION( 0x2000, "gfx3", ROMREGION_ERASE00 )

	/* it's identical to kd14.8a, except for the first 32 bytes which are palette bytes */
	ROM_REGION( 0x1000, "proms", 0 )
	ROM_LOAD( "kd13.1f",      0x0000, 0x1000, CRC(4f4e4e13) SHA1(a8fe0e1fd354e6cc2cf65eab66882c3b98c82100) )
ROM_END

ROM_START( fspiderb )
	ROM_REGION( 0x10000, "maincpu", 0 )
	ROM_LOAD( "1.5l",   0x0000, 0x1000, CRC(3679cab1) SHA1(21c055a1e6e42dda7070452a5de9bce01fa256b1) )
	ROM_LOAD( "2.8b",   0x7000, 0x1000, CRC(6e543acf) SHA1(45b66068654aabfe9745c8c893424a6d360a1748) )
	ROM_LOAD( "3.8c",   0x6000, 0x1000, CRC(f74f83d9) SHA1(18fdd7ebf5096b022207de4504e254860428f469) )
	ROM_LOAD( "4.8e",   0x5000, 0x1000, CRC(26add629) SHA1(96a2691f81ea7d0215d99c45f7f6dad4a4a6844e) )
	ROM_LOAD( "5.8f",   0x4000, 0x1000, CRC(0457de7b) SHA1(e7a7765d971d328333e8784178762c6fe4e2d783) )
	ROM_LOAD( "6.8h",   0x2000, 0x1000, CRC(329d4716) SHA1(898d0f3d053a8ac90c731f39c1d05769882cdcf6) )
	ROM_LOAD( "7.8j",   0x3000, 0x1000, CRC(a7d8fc3c) SHA1(3b39155001d21e75f16196bf3c11b34fb6d5fa0b) )
	ROM_RELOAD(         0x1000, 0x1000 )

	ROM_REGION( 0x4000, "gfx_bank", 0 )
	ROM_LOAD(  "8.1c",   0x0000, 0x1000, CRC(4e39abad) SHA1(225a2a08a7afe404e6b74789aab8c97a39a21214) )
	ROM_LOAD(  "9.2c",   0x1000, 0x1000, CRC(04dd1604) SHA1(9e686b09e2fc59fa879fd62982adb1c681f3eb73) )
	ROM_LOAD( "10.5h",   0x2000, 0x1000, CRC(d4bce323) SHA1(f49df8318aa9e8bd49fad1931480dfd483a0248a) )
	ROM_LOAD( "11.7h",   0x3000, 0x1000, CRC(7ab56309) SHA1(b43f542a7359c3a4ccf6f116e3a84bd13af6876f) )

	ROM_REGION( 0x1000, "gfx1", 0 )
	ROM_COPY( "gfx_bank", 0x0000, 0x0000, 0x800)
	ROM_COPY( "gfx_bank", 0x1000, 0x0800, 0x800)

	ROM_REGION( 0x1000, "gfx2", 0 )
	ROM_COPY( "gfx_bank", 0x2000, 0x0000, 0x800)
	ROM_COPY( "gfx_bank", 0x3000, 0x0800, 0x800)

	ROM_REGION( 0x1000, "gfx3", ROMREGION_ERASE00 )
	ROM_COPY( "gfx_bank", 0x0800, 0x0400, 0x400)
	ROM_COPY( "gfx_bank", 0x1800, 0x0c00, 0x400)
//  ROM_COPY( "gfx_bank", 0x2800, 0x1000, 0x800)
//  ROM_COPY( "gfx_bank", 0x3800, 0x1800, 0x800)

	ROM_REGION( 0x1000, "proms", 0 )
	ROM_LOAD( "82s123.1f", 0x0000, 0x0020, CRC(cda6001a) SHA1(e10fe848e8123e53bd2db8a14cfa2d8c6621d6aa) )
ROM_END



/*************************************
 *
 *  Game driver(s)
 *
 *************************************/

GAME( 1981, fspiderb, 0, fspider,  fspider, driver_device,  0, ROT90, "Taito Corporation", "Frog & Spiders (bootleg?)", GAME_SUPPORTS_SAVE ) // comes from a Fawaz Group bootleg(?) board
GAME( 1982, jollyjgr, 0, jollyjgr, jollyjgr, driver_device, 0, ROT90, "Taito Corporation", "Jolly Jogger", GAME_SUPPORTS_SAVE )