⭐ 欢迎来到虫虫下载站！ | 📦 资源下载 📁 资源专辑 ℹ️ 关于我们
⭐ 虫虫下载站
📤 上传资源

📄 scramble.c

📁 这个是延伸mame的在wince平台下的游戏模拟器的代码
💻 C
📖 第 1 页 / 共 3 页
字号:
🔍
123 
/***************************************************************************

Scramble memory map (preliminary)

MAIN BOARD:
0000-3fff ROM
4000-47ff RAM
4800-4bff Video RAM
5000-50ff Object RAM
5000-503f  screen attributes
5040-505f  sprites
5060-507f  bullets
5080-50ff  unused?

read:
7000      Watchdog Reset (Scramble)
7800      Watchdog Reset (Battle of Atlantis)
8100      IN0
8101      IN1
8102      IN2 (bits 5 and 7 used for protection check in Scramble)

write:
6801      interrupt enable
6802      coin counter
6803      ? (POUT1)
6804      stars on
6805      ? (POUT2)
6806      screen vertical flip
6807      screen horizontal flip
8200      To AY-3-8910 port A (commands for the audio CPU)
8201      bit 3 = interrupt trigger on audio CPU  bit 4 = AMPM (?)
8202      protection check control?


SOUND BOARD:
0000-17ff ROM
8000-83ff RAM

I/0 ports:
read:
20      8910 #2  read
80      8910 #1  read

write
10      8910 #2  control
20      8910 #2  write
40      8910 #1  control
80      8910 #1  write

interrupts:
interrupt mode 1 triggered by the main CPU

***************************************************************************/

#include "driver.h"
#include "vidhrdw/generic.h"



int scramble_IN2_r(int offset);
int scramble_protection_r(int offset);

extern unsigned char *galaxian_attributesram;
extern unsigned char *galaxian_bulletsram;
extern int galaxian_bulletsram_size;
void galaxian_vh_convert_color_prom(unsigned char *palette, unsigned short *colortable,const unsigned char *color_prom);
void galaxian_flipx_w(int offset,int data);
void galaxian_flipy_w(int offset,int data);
void galaxian_attributes_w(int offset,int data);
void galaxian_stars_w(int offset,int data);
void scramble_background_w(int offset, int data);	/* MJC 051297 */
int scramble_vh_start(void);
void galaxian_vh_screenrefresh(struct osd_bitmap *bitmap,int full_refresh);
int scramble_vh_interrupt(void);
void scramble_background_w(int offset, int data);	/* MJC 051297 */

int scramble_portB_r(int offset);
void scramble_sh_irqtrigger_w(int offset,int data);

int frogger_portB_r(int offset);



static struct MemoryReadAddress scramble_readmem[] =
{
	{ 0x0000, 0x3fff, MRA_ROM },
	{ 0x4000, 0x4bff, MRA_RAM },	/* RAM and Video RAM */
	{ 0x5000, 0x507f, MRA_RAM },	/* screen attributes, sprites, bullets */
	{ 0x7000, 0x7000, MRA_NOP },
	{ 0x7800, 0x7800, MRA_NOP },
	{ 0x8100, 0x8100, input_port_0_r },	/* IN0 */
	{ 0x8101, 0x8101, input_port_1_r },	/* IN1 */
	{ 0x8102, 0x8102, scramble_IN2_r },	/* IN2 with protection check */
	{ 0x8202, 0x8202, scramble_protection_r },
	{ -1 }	/* end of table */
};

static struct MemoryReadAddress readmem[] =
{
	{ 0x0000, 0x3fff, MRA_ROM },
	{ 0x4000, 0x4bff, MRA_RAM },	/* RAM and Video RAM */
	{ 0x5000, 0x507f, MRA_RAM },	/* screen attributes, sprites, bullets */
	{ 0x7000, 0x7000, watchdog_reset_r },
	{ 0x7800, 0x7800, watchdog_reset_r },
	{ 0x8100, 0x8100, input_port_0_r },	/* IN0 */
	{ 0x8101, 0x8101, input_port_1_r },	/* IN1 */
	{ 0x8102, 0x8102, input_port_2_r },	/* IN2 */
	{ -1 }	/* end of table */
};

static struct MemoryWriteAddress writemem[] =
{
	{ 0x0000, 0x3fff, MWA_ROM },
	{ 0x4000, 0x47ff, MWA_RAM },
	{ 0x4800, 0x4bff, videoram_w, &videoram, &videoram_size },
	{ 0x5000, 0x503f, galaxian_attributes_w, &galaxian_attributesram },
	{ 0x5040, 0x505f, MWA_RAM, &spriteram, &spriteram_size },
	{ 0x5060, 0x507f, MWA_RAM, &galaxian_bulletsram, &galaxian_bulletsram_size },
	{ 0x6801, 0x6801, interrupt_enable_w },
	{ 0x6803, 0x6803, scramble_background_w },
	{ 0x6804, 0x6804, galaxian_stars_w },
	{ 0x6806, 0x6806, galaxian_flipx_w },
	{ 0x6807, 0x6807, galaxian_flipy_w },
	{ 0x8200, 0x8200, soundlatch_w },
	{ 0x8201, 0x8201, scramble_sh_irqtrigger_w },
	{ -1 }	/* end of table */
};



static struct MemoryReadAddress sound_readmem[] =
{
	{ 0x0000, 0x17ff, MRA_ROM },
	{ 0x8000, 0x83ff, MRA_RAM },
	{ -1 }	/* end of table */
};

static struct MemoryWriteAddress sound_writemem[] =
{
	{ 0x0000, 0x17ff, MWA_ROM },
	{ 0x8000, 0x83ff, MWA_RAM },
	{ -1 }	/* end of table */
};


static struct MemoryReadAddress froggers_sound_readmem[] =
{
	{ 0x0000, 0x17ff, MRA_ROM },
	{ 0x4000, 0x43ff, MRA_RAM },
	{ -1 }	/* end of table */
};

static struct MemoryWriteAddress froggers_sound_writemem[] =
{
	{ 0x0000, 0x17ff, MWA_ROM },
	{ 0x4000, 0x43ff, MWA_RAM },
	{ -1 }	/* end of table */
};



static struct IOReadPort sound_readport[] =
{
	{ 0x20, 0x20, AY8910_read_port_1_r },
	{ 0x80, 0x80, AY8910_read_port_0_r },
	{ -1 }	/* end of table */
};

static struct IOWritePort sound_writeport[] =
{
	{ 0x10, 0x10, AY8910_control_port_1_w },
	{ 0x20, 0x20, AY8910_write_port_1_w },
	{ 0x40, 0x40, AY8910_control_port_0_w },
	{ 0x80, 0x80, AY8910_write_port_0_w },
	{ -1 }	/* end of table */
};

static struct IOReadPort froggers_sound_readport[] =
{
	{ 0x40, 0x40, AY8910_read_port_0_r },
	{ -1 }	/* end of table */
};

static struct IOWritePort froggers_sound_writeport[] =
{
	{ 0x40, 0x40, AY8910_write_port_0_w },
	{ 0x80, 0x80, AY8910_control_port_0_w },
	{ -1 }	/* end of table */
};



INPUT_PORTS_START( scramble_input_ports )
	PORT_START	/* IN0 */
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_UP | IPF_8WAY | IPF_COCKTAIL )
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_BUTTON2 )
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_COIN3 )
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_BUTTON1 )
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT | IPF_8WAY )
	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT | IPF_8WAY )
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_COIN2 )
	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_COIN1 )

	PORT_START	/* IN1 */
	PORT_DIPNAME( 0x03, 0x00, "Lives", IP_KEY_NONE )
	PORT_DIPSETTING(    0x00, "3" )
	PORT_DIPSETTING(    0x01, "4" )
	PORT_DIPSETTING(    0x02, "5" )
	PORT_BITX( 0,       0x03, IPT_DIPSWITCH_SETTING | IPF_CHEAT, "256", IP_KEY_NONE, IP_JOY_NONE, 0 )
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_BUTTON2 | IPF_COCKTAIL )
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_BUTTON1 | IPF_COCKTAIL )
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT | IPF_8WAY | IPF_COCKTAIL )
	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT | IPF_8WAY | IPF_COCKTAIL )
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_START2 )
	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_START1 )

	PORT_START	/* IN2 */
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN | IPF_8WAY | IPF_COCKTAIL )
	PORT_DIPNAME( 0x06, 0x00, "Coinage", IP_KEY_NONE )
	PORT_DIPSETTING(    0x02, "A 1/2 B 1/1 C 1/2" )
	PORT_DIPSETTING(    0x04, "A 1/3 B 3/1 C 1/3" )
	PORT_DIPSETTING(    0x00, "A 1/1 B 2/1 C 1/1" )
	PORT_DIPSETTING(    0x06, "A 1/4 B 4/1 C 1/4" )
	PORT_DIPNAME( 0x08, 0x00, "Cabinet", IP_KEY_NONE )
	PORT_DIPSETTING(    0x00, "Upright" )
	PORT_DIPSETTING(    0x08, "Cocktail" )
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_JOYSTICK_UP | IPF_8WAY )
	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_UNKNOWN )	/* protection check? */
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN | IPF_8WAY )
	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNKNOWN )	/* protection check? */
INPUT_PORTS_END

/* same as scramble, dip switches are different (no cocktail?) and COIN3 doesn't work. */
INPUT_PORTS_START( atlantis_input_ports )
	PORT_START	/* IN0 */
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_UP | IPF_8WAY | IPF_COCKTAIL )
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_BUTTON2 )
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_UNKNOWN )	/* probably unused */
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_BUTTON1 )
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT | IPF_8WAY )
	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT | IPF_8WAY )
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_COIN2 )
	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_COIN1 )

	PORT_START	/* IN1 */
	PORT_DIPNAME( 0x01, 0x00, "SW1", IP_KEY_NONE )
	PORT_DIPSETTING(    0x00, "Off" )
	PORT_DIPSETTING(    0x01, "On" )
	PORT_DIPNAME( 0x02, 0x02, "Lives", IP_KEY_NONE )
	PORT_DIPSETTING(    0x00, "5" )
	PORT_DIPSETTING(    0x02, "3" )
	PORT_BITX( 0,       0x03, IPT_DIPSWITCH_SETTING | IPF_CHEAT, "256", IP_KEY_NONE, IP_JOY_NONE, 0 )
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_BUTTON2 | IPF_COCKTAIL )
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_BUTTON1 | IPF_COCKTAIL )
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT | IPF_8WAY | IPF_COCKTAIL )
	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT | IPF_8WAY | IPF_COCKTAIL )
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_START2 )
	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_START1 )

	PORT_START	/* IN2 */
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN | IPF_8WAY | IPF_COCKTAIL )
	PORT_DIPNAME( 0x0e, 0x00, "Coinage", IP_KEY_NONE )
	PORT_DIPSETTING(    0x00, "0" )
	PORT_DIPSETTING(    0x02, "1" )
	PORT_DIPSETTING(    0x04, "2" )
	PORT_DIPSETTING(    0x06, "3" )
	PORT_DIPSETTING(    0x08, "4" )
	PORT_DIPSETTING(    0x0a, "5" )
	PORT_DIPSETTING(    0x0c, "6" )
	PORT_DIPSETTING(    0x0e, "7" )
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_JOYSTICK_UP | IPF_8WAY )
	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_UNKNOWN )
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN | IPF_8WAY )
	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNKNOWN )
INPUT_PORTS_END

/* same as scramble, dip switches are different */
INPUT_PORTS_START( theend_input_ports )
	PORT_START	/* IN0 */
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_UP | IPF_8WAY | IPF_COCKTAIL )
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_BUTTON2 )
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_COIN3 )
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_BUTTON1 )
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT | IPF_8WAY )
	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT | IPF_8WAY )
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_COIN2 )
	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_COIN1 )

	PORT_START	/* IN1 */
	PORT_DIPNAME( 0x03, 0x00, "Lives", IP_KEY_NONE )
	PORT_DIPSETTING(    0x00, "3" )
	PORT_DIPSETTING(    0x01, "4" )
	PORT_DIPSETTING(    0x02, "5" )
	PORT_BITX( 0,       0x03, IPT_DIPSWITCH_SETTING | IPF_CHEAT, "256", IP_KEY_NONE, IP_JOY_NONE, 0 )
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_BUTTON2 | IPF_COCKTAIL )
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_BUTTON1 | IPF_COCKTAIL )
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT | IPF_8WAY | IPF_COCKTAIL )
	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT | IPF_8WAY | IPF_COCKTAIL )
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_START2 )
	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_START1 )

	PORT_START	/* IN2 */
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN | IPF_8WAY | IPF_COCKTAIL )
	PORT_DIPNAME( 0x06, 0x00, "Coinage", IP_KEY_NONE )
	PORT_DIPSETTING(    0x04, "3 Coins/1 Credit" )
	PORT_DIPSETTING(    0x02, "2 Coins/1 Credit" )
	PORT_DIPSETTING(    0x00, "1 Coin/1 Credit" )
	PORT_DIPSETTING(    0x06, "1 Coin/2 Credits" )
	PORT_DIPNAME( 0x08, 0x00, "Cabinet", IP_KEY_NONE )
	PORT_DIPSETTING(    0x00, "Upright" )
	PORT_DIPSETTING(    0x08, "Cocktail" )
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_JOYSTICK_UP | IPF_8WAY )
	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_UNKNOWN )	/* protection check? */
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN | IPF_8WAY )
	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNKNOWN )	/* protection check? */
INPUT_PORTS_END

INPUT_PORTS_START( froggers_input_ports )
	PORT_START	/* IN0 */
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_UP | IPF_4WAY | IPF_COCKTAIL )
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_UNKNOWN ) /* 1P shoot2 - unused */
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_COIN3 )
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_UNKNOWN ) /* 1P shoot1 - unused */
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT | IPF_4WAY )
	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT | IPF_4WAY )
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_COIN2 )
	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_COIN1 )

	PORT_START	/* IN1 */
	PORT_DIPNAME( 0x03, 0x00, "Lives", IP_KEY_NONE )
	PORT_DIPSETTING(    0x00, "3" )
	PORT_DIPSETTING(    0x01, "5" )
	PORT_DIPSETTING(    0x02, "7" )
	PORT_BITX( 0,       0x03, IPT_DIPSWITCH_SETTING | IPF_CHEAT, "256", IP_KEY_NONE, IP_JOY_NONE, 0 )
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_UNKNOWN ) /* 2P shoot2 - unused */
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_UNKNOWN ) /* 2P shoot1 - unused */
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT | IPF_4WAY | IPF_COCKTAIL )
	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT | IPF_4WAY | IPF_COCKTAIL )
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_START2 )
	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_START1 )

	PORT_START	/* IN2 */
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN | IPF_4WAY | IPF_COCKTAIL )
	PORT_DIPNAME( 0x06, 0x00, "Coinage", IP_KEY_NONE )
	PORT_DIPSETTING(    0x02, "A 2/1 B 2/1 C 2/1" )
	PORT_DIPSETTING(    0x04, "A 2/1 B 1/3 C 2/1" )
	PORT_DIPSETTING(    0x00, "A 1/1 B 1/1 C 1/1" )
	PORT_DIPSETTING(    0x06, "A 1/1 B 1/6 C 1/1" )
	PORT_DIPNAME( 0x08, 0x00, "Cabinet", IP_KEY_NONE )
	PORT_DIPSETTING(    0x00, "Upright" )
	PORT_DIPSETTING(    0x08, "Cocktail" )
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_JOYSTICK_UP | IPF_4WAY )
	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_UNUSED )
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN | IPF_4WAY )
	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNUSED )
INPUT_PORTS_END

INPUT_PORTS_START( amidars_input_ports )
	PORT_START	/* IN0 */
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_UP | IPF_4WAY | IPF_COCKTAIL )
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_UNKNOWN ) /* 1P shoot2 - unused */
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_COIN3 )
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_BUTTON1 )
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT | IPF_4WAY )
	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT | IPF_4WAY )
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_COIN2 )
	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_COIN1 )

	PORT_START	/* IN1 */
	PORT_DIPNAME( 0x03, 0x02, "Lives", IP_KEY_NONE )
	PORT_DIPSETTING(    0x03, "2" )
	PORT_DIPSETTING(    0x02, "3" )
	PORT_DIPSETTING(    0x01, "4" )
	PORT_BITX( 0,       0x00, IPT_DIPSWITCH_SETTING | IPF_CHEAT, "256", IP_KEY_NONE, IP_JOY_NONE, 0 )
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_BUTTON2 | IPF_COCKTAIL )
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_BUTTON1 | IPF_COCKTAIL )
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT | IPF_4WAY | IPF_COCKTAIL )
	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT | IPF_4WAY | IPF_COCKTAIL )
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_START2 )
	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_START1 )

	PORT_START	/* IN2 */
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN | IPF_4WAY | IPF_COCKTAIL )
	PORT_DIPNAME( 0x02, 0x00, "Coinage", IP_KEY_NONE )
	PORT_DIPSETTING(    0x00, "A 1/1 B 1/6" )
	PORT_DIPSETTING(    0x02, "A 2/1 B 1/3" )
	PORT_DIPNAME( 0x04, 0x00, "Unknown 1", IP_KEY_NONE )
	PORT_DIPSETTING(    0x04, "Off" )
	PORT_DIPSETTING(    0x00, "On" )
	PORT_DIPNAME( 0x08, 0x00, "Cabinet", IP_KEY_NONE )
	PORT_DIPSETTING(    0x00, "Upright" )
	PORT_DIPSETTING(    0x08, "Cocktail" )
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_JOYSTICK_UP | IPF_4WAY )
	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_UNKNOWN )
	PORT_DIPNAME( 0x20, 0x00, "Unknown 2", IP_KEY_NONE )
	PORT_DIPSETTING(    0x20, "Off" )
	PORT_DIPSETTING(    0x00, "On" )
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN | IPF_4WAY )
	PORT_DIPNAME( 0x80, 0x00, "Unknown 3", IP_KEY_NONE )
	PORT_DIPSETTING(    0x80, "Off" )
	PORT_DIPSETTING(    0x00, "On" )
INPUT_PORTS_END


static struct GfxLayout charlayout =
{
	8,8,	/* 8*8 characters */
	256,	/* 256 characters */
	2,	/* 2 bits per pixel */
	{ 0, 256*8*8 },	/* the two bitplanes are separated */
	{ 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	/* every char takes 8 consecutive bytes */
};
static struct GfxLayout spritelayout =
{
	16,16,	/* 16*16 sprites */
	64,	/* 64 sprites */
	2,	/* 2 bits per pixel */
	{ 0, 64*16*16 },	/* the two bitplanes are separated */
	{ 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	/* every sprite takes 32 consecutive bytes */
};
static struct GfxLayout bulletlayout =
{
	/* there is no gfx ROM for this one, it is generated by the hardware */
	7,1,	/* it's just 1 pixel, but we use 7*1 to position it correctly */
	1,	/* just one */
123

⌨️ 快捷键说明

复制代码 Ctrl + C
搜索代码 Ctrl + F
全屏模式 F11
切换主题 Ctrl + Shift + D
显示快捷键 ?
增大字号 Ctrl + =
减小字号 Ctrl + -