scobra.c

这个是延伸mame的在wince平台下的游戏模拟器的代码

	/* basic machine hardware */
	{
		{
			CPU_Z80,
			18432000/6,	/* 3.072 Mhz */
			0,
			readmem,writemem,0,0,
			scramble_vh_interrupt,1
		},
		{
			CPU_Z80 | CPU_AUDIO_CPU,
			14318000/8,	/* 1.78975 Mhz */
			3,	/* memory region #3 */
			sound_readmem,sound_writemem,sound_readport,sound_writeport,
			ignore_interrupt,1	/* interrupts are triggered by the main CPU */
		}
	},
	60, 2500,	/* frames per second, vblank duration */
	1,	/* 1 CPU slice per frame - interleaving is forced when a sound command is written */
	scobra_init_machine,

	/* video hardware */
	32*8, 32*8, { 0*8, 32*8-1, 2*8, 30*8-1 },
	gfxdecodeinfo,
	32+64,8*4+2*2,	/* 32 for the characters, 64 for the stars */
	galaxian_vh_convert_color_prom,

	VIDEO_TYPE_RASTER,
	0,
	scramble_vh_start,
	generic_vh_stop,
	galaxian_vh_screenrefresh,

	/* sound hardware */
	0,0,0,0,
	{
		{
			SOUND_AY8910,
			&ay8910_interface
		}
	}
};

/* same as the above, the only difference is in gfxdecodeinfo to have long bullets */
static struct MachineDriver armorcar_machine_driver =
{
	/* basic machine hardware */
	{
		{
			CPU_Z80,
			18432000/6,	/* 3.072 Mhz */
			0,
			readmem,writemem,0,0,
			scramble_vh_interrupt,1
		},
		{
			CPU_Z80 | CPU_AUDIO_CPU,
			14318000/8,	/* 1.78975 Mhz */
			3,	/* memory region #3 */
			sound_readmem,sound_writemem,sound_readport,sound_writeport,
			ignore_interrupt,1	/* interrupts are triggered by the main CPU */
		}
	},
	60, 2500,	/* frames per second, vblank duration */
	1,	/* 1 CPU slice per frame - interleaving is forced when a sound command is written */
	scobra_init_machine,

	/* video hardware */
	32*8, 32*8, { 0*8, 32*8-1, 2*8, 30*8-1 },
	armorcar_gfxdecodeinfo,
	32+64,8*4+2*2,	/* 32 for the characters, 64 for the stars */
	galaxian_vh_convert_color_prom,

	VIDEO_TYPE_RASTER,
	0,
	scramble_vh_start,
	generic_vh_stop,
	galaxian_vh_screenrefresh,

	/* sound hardware */
	0,0,0,0,
	{
		{
			SOUND_AY8910,
			&ay8910_interface
		}
	}
};

/* Rescue and Minefield have extra colours, and custom video initialise */
/* routines to set up the graduated colour backgound they use     * MJC */

static struct MachineDriver rescue_machine_driver =
{
	/* basic machine hardware */
	{
		{
			CPU_Z80,
			18432000/6,	/* 3.072 Mhz */
			0,
			readmem,writemem,0,0,
			scramble_vh_interrupt,1
		},
		{
			CPU_Z80 | CPU_AUDIO_CPU,
			14318000/8,	/* 1.78975 Mhz */
			3,	/* memory region #3 */
			sound_readmem,sound_writemem,sound_readport,sound_writeport,
			ignore_interrupt,1	/* interrupts are triggered by the main CPU */
		}
	},
	60, 2500,	/* frames per second, vblank duration */
	1,	/* 1 CPU slice per frame - interleaving is forced when a sound command is written */
	scobra_init_machine,

	/* video hardware */
	32*8, 32*8, { 0*8, 32*8-1, 2*8, 30*8-1 },
	gfxdecodeinfo,
	32+64+128,8*4+2*2,	/* 32 for the characters, 64 for the stars, 128 for background */
	galaxian_vh_convert_color_prom,

	VIDEO_TYPE_RASTER,
	0,
	rescue_vh_start,
	generic_vh_stop,
	galaxian_vh_screenrefresh,

	/* sound hardware */
	0,0,0,0,
	{
		{
			SOUND_AY8910,
			&ay8910_interface
		}
	}
};

static struct MachineDriver minefield_machine_driver =
{
	/* basic machine hardware */
	{
		{
			CPU_Z80,
			18432000/6,	/* 3.072 Mhz */
			0,
			readmem,writemem,0,0,
			scramble_vh_interrupt,1
		},
		{
			CPU_Z80 | CPU_AUDIO_CPU,
			14318000/8,	/* 1.78975 Mhz */
			3,	/* memory region #3 */
			sound_readmem,sound_writemem,sound_readport,sound_writeport,
			ignore_interrupt,1	/* interrupts are triggered by the main CPU */
		}
	},
	60, 2500,	/* frames per second, vblank duration */
	1,	/* 1 CPU slice per frame - interleaving is forced when a sound command is written */
	scobra_init_machine,

	/* video hardware */
	32*8, 32*8, { 0*8, 32*8-1, 2*8, 30*8-1 },
	gfxdecodeinfo,
	32+64+128,8*4+2*2,	/* 32 for the characters, 64 for the stars, 128 for background */
	galaxian_vh_convert_color_prom,

	VIDEO_TYPE_RASTER,
	0,
	minefield_vh_start,
	generic_vh_stop,
	galaxian_vh_screenrefresh,

	/* sound hardware */
	0,0,0,0,
	{
		{
			SOUND_AY8910,
			&ay8910_interface
		}
	}
};




static struct MachineDriver stratgyx_machine_driver =
{
	/* basic machine hardware */
	{
		{
			CPU_Z80,
			18432000/6,	/* 3.072 Mhz */
			0,
			stratgyx_readmem,stratgyx_writemem,0,0,
			scramble_vh_interrupt,1
		},
		{
			CPU_Z80 | CPU_AUDIO_CPU,
			14318000/8,	/* 1.78975 Mhz */
			3,	/* memory region #3 */
			sound_readmem,sound_writemem,sound_readport,sound_writeport,
			ignore_interrupt,1	/* interrupts are triggered by the main CPU */
		}
	},
	60, 2500,	/* frames per second, vblank duration */
	1,	/* 1 CPU slice per frame - interleaving is forced when a sound command is written */
	scobra_init_machine,

	/* video hardware */
	32*8, 32*8, { 0*8, 32*8-1, 2*8, 30*8-1 },
	gfxdecodeinfo,
	32+64,8*4+2*2,	/* 32 for the characters, 64 for the stars */
	galaxian_vh_convert_color_prom,

	VIDEO_TYPE_RASTER,
	0,
	scramble_vh_start,
	generic_vh_stop,
	galaxian_vh_screenrefresh,

	/* sound hardware */
	0,0,0,0,
	{
		{
			SOUND_AY8910,
			&ay8910_interface
		}
	}
};


static struct MachineDriver hustler_machine_driver =
{
	/* basic machine hardware */
	{
		{
			CPU_Z80,
			18432000/6,	/* 3.072 Mhz */
			0,
			hustler_readmem,hustler_writemem,0,0,
			scramble_vh_interrupt,1
		},
		{
			CPU_Z80 | CPU_AUDIO_CPU,
			14318000/8,	/* 1.78975 Mhz */
			3,	/* memory region #3 */
			hustler_sound_readmem,hustler_sound_writemem,hustler_sound_readport,hustler_sound_writeport,
			ignore_interrupt,1	/* interrupts are triggered by the main CPU */
		}
	},
	60, 2500,	/* frames per second, vblank duration */
	1,	/* 1 CPU slice per frame - interleaving is forced when a sound command is written */
	scobra_init_machine,

	/* video hardware */
	32*8, 32*8, { 0*8, 32*8-1, 2*8, 30*8-1 },
	gfxdecodeinfo,
	32+64,8*4+2*2,	/* 32 for the characters, 64 for the stars */
	galaxian_vh_convert_color_prom,

	VIDEO_TYPE_RASTER,
	0,
	scramble_vh_start,
	generic_vh_stop,
	galaxian_vh_screenrefresh,

	/* sound hardware */
	0,0,0,0,
	{
		{
			SOUND_AY8910,
			&hustler_ay8910_interface
		}
	}
};

static struct MachineDriver calipso_machine_driver =
{
	/* basic machine hardware */
	{
		{
			CPU_Z80,
			18432000/6,	/* 3.072 Mhz */
			0,
			readmem,writemem,0,0,
			scramble_vh_interrupt,1
		},
		{
			CPU_Z80 | CPU_AUDIO_CPU,
			14318000/8,	/* 1.78975 Mhz */
			3,	/* memory region #3 */
			sound_readmem,sound_writemem,sound_readport,sound_writeport,
			ignore_interrupt,1	/* interrupts are triggered by the main CPU */
		}
	},
	60, 2500,	/* frames per second, vblank duration */
	1,	/* 1 CPU slice per frame - interleaving is forced when a sound command is written */
	scobra_init_machine,

	/* video hardware */
	32*8, 32*8, { 0*8, 32*8-1, 2*8, 30*8-1 },
	calipso_gfxdecodeinfo,
	32+64,8*4+2*2,	/* 32 for the characters, 64 for the stars */
	galaxian_vh_convert_color_prom,

	VIDEO_TYPE_RASTER,
	0,
	calipso_vh_start,
	generic_vh_stop,
	galaxian_vh_screenrefresh,

	/* sound hardware */
	0,0,0,0,
	{
		{
			SOUND_AY8910,
			&ay8910_interface
		}
	}
};

/* same as machine_driver, but with moonwar2_readmem for the spinner */
static struct MachineDriver moonwar2_machine_driver =
{
	/* basic machine hardware */
	{
		{
			CPU_Z80,
			18432000/6,	/* 3.072 Mhz */
			0,
			moonwar2_readmem,writemem,0,0,
			scramble_vh_interrupt,1
		},
		{
			CPU_Z80 | CPU_AUDIO_CPU,
			14318000/8,	/* 1.78975 Mhz */
			3,	/* memory region #3 */
			sound_readmem,sound_writemem,sound_readport,sound_writeport,
			ignore_interrupt,1	/* interrupts are triggered by the main CPU */
		}
	},
	60, 2500,	/* frames per second, vblank duration */
	1,	/* 1 CPU slice per frame - interleaving is forced when a sound command is written */
	scobra_init_machine,

	/* video hardware */
	32*8, 32*8, { 0*8, 32*8-1, 2*8, 30*8-1 },
	gfxdecodeinfo,
	32+64,8*4+2*2,	/* 32 for the characters, 64 for the stars */
	galaxian_vh_convert_color_prom,

	VIDEO_TYPE_RASTER,
	0,
	scramble_vh_start,
	generic_vh_stop,
	galaxian_vh_screenrefresh,

	/* sound hardware */
	0,0,0,0,
	{
		{
			SOUND_AY8910,
			&ay8910_interface