tigeroad.c

这个是延伸mame的在wince平台下的游戏模拟器的代码

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

remaining issues:
	busy loop should be patched out

Please contact Phil Stroffolino ([e-mail]) if there are any questions
regarding this driver.

Tiger Road is (C) 1987 Romstar/Capcom USA

Memory Overview:
	0xfe0800    sprites
	0xfec000    text
	0xfe4000    input ports,dip switches (read); sound out, video reg (write)
	0xfe8000    scroll registers
	0xff8200    palette
	0xffC000    working RAM
	0xffEC70    high scores (not saved)

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

#include "driver.h"
#include "vidhrdw/generic.h"
#include "Z80/Z80.h"


extern int tigeroad_base_bank;
extern unsigned char *tigeroad_scrollram;

void tigeroad_scrollram_w(int offset,int data);
void tigeroad_vh_screenrefresh(struct osd_bitmap *bitmap,int full_refresh);

static unsigned char *ram;	/* for hi score save */



static void tigeroad_control_w( int offset, int data )
{
	switch( offset )
	{
		case 0:
			tigeroad_base_bank = (data>>8)&0xF;
			break;
		case 2:
			soundlatch_w(offset,(data >> 8) & 0xff);
			break;
	}
}

static int tigeroad_input_r (int offset);
static int tigeroad_input_r (int offset){
	switch (offset){
		case 0: return (input_port_1_r( offset )<<8) |
						input_port_0_r( offset );

		case 2: return (input_port_3_r( offset )<<8) |
						input_port_2_r( offset );

		case 4: return (input_port_5_r( offset )<<8) |
						input_port_4_r( offset );
	}
	return 0x00;
}

int tigeroad_interrupt(void){
	return 2;
}


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

static struct MemoryReadAddress readmem[] =
{
	{ 0x000000, 0x03ffff, MRA_ROM },
	{ 0xfe0800, 0xfe0cff, MRA_BANK1 },
	{ 0xfe0d00, 0xfe1807, MRA_BANK2 },
	{ 0xfe4000, 0xfe4007, tigeroad_input_r },
	{ 0xfec000, 0xfec7ff, MRA_BANK3 },
	{ 0xff8200, 0xff867f, paletteram_word_r },
	{ 0xffc000, 0xffffff, MRA_BANK5 },
	{ -1 }  /* end of table */
};

static struct MemoryWriteAddress writemem[] =
{
	{ 0x000000, 0x03ffff, MWA_ROM },
	{ 0xfe0800, 0xfe0cff, MWA_BANK1, &spriteram, &spriteram_size },
	{ 0xfe0d00, 0xfe1807, MWA_BANK2 },  /* still part of OBJ RAM */
	{ 0xfe4000, 0xfe4003, tigeroad_control_w },
	{ 0xfec000, 0xfec7ff, MWA_BANK3, &videoram, &videoram_size },
	{ 0xfe8000, 0xfe8003, MWA_BANK4, &tigeroad_scrollram },
	{ 0xfe800c, 0xfe800f, MWA_NOP },    /* fe800e = watchdog or IRQ acknowledge */
	{ 0xff8200, 0xff867f, paletteram_xxxxRRRRGGGGBBBB_word_w, &paletteram },
	{ 0xffc000, 0xffffff, MWA_BANK5, &ram },
	{ -1 }  /* end of table */
};

static struct MemoryReadAddress sound_readmem[] =
{
	{ 0x0000, 0x7fff, MRA_ROM },
	{ 0x8000, 0x8000, YM2203_status_port_0_r },
	{ 0xa000, 0xa000, YM2203_status_port_1_r },
	{ 0xc000, 0xc7ff, MRA_RAM },
	{ 0xe000, 0xe000, soundlatch_r },
	{ -1 }  /* end of table */
};

static struct MemoryWriteAddress sound_writemem[] =
{
	{ 0x0000, 0x7fff, MWA_ROM },
	{ 0x8000, 0x8000, YM2203_control_port_0_w },
	{ 0x8001, 0x8001, YM2203_write_port_0_w },
	{ 0xa000, 0xa000, YM2203_control_port_1_w },
	{ 0xa001, 0xa001, YM2203_write_port_1_w },
	{ 0xc000, 0xc7ff, MWA_RAM },
	{ -1 }  /* end of table */
};

static struct IOWritePort sound_writeport[] =
{
	{ 0x00, 0x01, IOWP_NOP },   /* ??? */
	{ -1 }  /* end of table */
};



INPUT_PORTS_START( tigeroad_input_ports )
	PORT_START  /* IN0 */
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT | IPF_8WAY )
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT | IPF_8WAY )
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN | IPF_8WAY )
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_UP | IPF_8WAY )
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON1 )
	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON2 )
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNKNOWN )
	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNKNOWN )

	PORT_START
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT | IPF_8WAY | IPF_COCKTAIL )
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT | IPF_8WAY | IPF_COCKTAIL )
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN | IPF_8WAY | IPF_COCKTAIL )
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_UP | IPF_8WAY | IPF_COCKTAIL )
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON1 | IPF_COCKTAIL )
	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON2 | IPF_COCKTAIL )
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNKNOWN )
	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNKNOWN )

	PORT_START
	PORT_BIT( 0xff, IP_ACTIVE_LOW, IPT_UNKNOWN )

	PORT_START
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_START1 )
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_START2 )
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_UNKNOWN )
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_UNKNOWN )
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_UNKNOWN )
	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_COIN3 )
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_COIN1 )
	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_COIN2 )

	PORT_START  /* dipswitch A */
	PORT_DIPNAME( 0x07, 0x07, "Coin B", IP_KEY_NONE )
	PORT_DIPSETTING(    0x00, "4 Coins/1 Credit" )
	PORT_DIPSETTING(    0x01, "3 Coins/1 Credit" )
	PORT_DIPSETTING(    0x02, "2 Coins/1 Credit" )
	PORT_DIPSETTING(    0x07, "1 Coin/1 Credit" )
	PORT_DIPSETTING(    0x06, "1 Coin/2 Credits" )
	PORT_DIPSETTING(    0x05, "1 Coin/3 Credits" )
	PORT_DIPSETTING(    0x04, "1 Coin/4 Credits" )
	PORT_DIPSETTING(    0x03, "1 Coin/6 Credits" )
	PORT_DIPNAME( 0x38, 0x38, "Coin A", IP_KEY_NONE )
	PORT_DIPSETTING(    0x00, "4 Coins/1 Credit" )
	PORT_DIPSETTING(    0x08, "3 Coins/1 Credit" )
	PORT_DIPSETTING(    0x10, "2 Coins/1 Credit" )
	PORT_DIPSETTING(    0x38, "1 Coin/1 Credit" )
	PORT_DIPSETTING(    0x30, "1 Coin/2 Credits" )
	PORT_DIPSETTING(    0x28, "1 Coin/3 Credits" )
	PORT_DIPSETTING(    0x20, "1 Coin/4 Credits" )
	PORT_DIPSETTING(    0x18, "1 Coin/6 Credits" )
	PORT_BITX(    0x40, 0x40, IPT_DIPSWITCH_NAME | IPF_TOGGLE, "Service Mode", OSD_KEY_F2, IP_JOY_NONE, 0 )
	PORT_DIPSETTING(    0x40, "Off" )
	PORT_DIPSETTING(    0x00, "On" )
	PORT_DIPNAME( 0x80, 0x80, "Flip Screen", IP_KEY_NONE )
	PORT_DIPSETTING(    0x80, "Off")
	PORT_DIPSETTING(    0x00, "On" )

	PORT_START /* dipswitch B */
	PORT_DIPNAME( 0x03, 0x03, "Lives", IP_KEY_NONE )
	PORT_DIPSETTING(    0x03, "3" )
	PORT_DIPSETTING(    0x02, "4" )
	PORT_DIPSETTING(    0x01, "5" )
	PORT_DIPSETTING(    0x00, "7" )
	PORT_DIPNAME( 0x04, 0x00, "Cabinet", IP_KEY_NONE )
	PORT_DIPSETTING(    0x00, "Upright")
	PORT_DIPSETTING(    0x04, "Cocktail")
	PORT_DIPNAME( 0x18, 0x18, "Bonus Life", IP_KEY_NONE )
	PORT_DIPSETTING(    0x18, "20000 70000 70000" )
	PORT_DIPSETTING(    0x10, "20000 80000 80000" )
	PORT_DIPSETTING(    0x08, "30000 80000 80000" )
	PORT_DIPSETTING(    0x00, "30000 90000 90000" )
	PORT_DIPNAME( 0x60, 0x60, "Difficulty", IP_KEY_NONE )
	PORT_DIPSETTING(    0x20, "Very Easy" )
	PORT_DIPSETTING(    0x40, "Easy" )
	PORT_DIPSETTING(    0x60, "Normal" )
	PORT_DIPSETTING(    0x00, "Difficult" )
	PORT_DIPNAME( 0x80, 0x80, "Allow Continue", IP_KEY_NONE )
	PORT_DIPSETTING(    0x00, "No" )
	PORT_DIPSETTING(    0x80, "Yes" )
INPUT_PORTS_END

INPUT_PORTS_START( f1dream_input_ports )
	PORT_START  /* IN0 */
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT | IPF_8WAY )
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT | IPF_8WAY )
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN | IPF_8WAY )
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_UP | IPF_8WAY )
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON1 )
	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON2 )
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNKNOWN )
	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNKNOWN )

	PORT_START
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT | IPF_8WAY | IPF_COCKTAIL )
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT | IPF_8WAY | IPF_COCKTAIL )
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN | IPF_8WAY | IPF_COCKTAIL )
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_UP | IPF_8WAY | IPF_COCKTAIL )
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON1 | IPF_COCKTAIL )
	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON2 | IPF_COCKTAIL )
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNKNOWN )
	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNKNOWN )

	PORT_START
	PORT_BIT( 0xff, IP_ACTIVE_LOW, IPT_UNKNOWN )

	PORT_START
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_START1 )
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_START2 )
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_UNKNOWN )
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_UNKNOWN )
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_UNKNOWN )
	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_COIN3 )
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_COIN1 )
	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_COIN2 )

	PORT_START  /* dipswitch A */
	PORT_DIPNAME( 0x07, 0x07, "Coin B", IP_KEY_NONE )
	PORT_DIPSETTING(    0x00, "4 Coins/1 Credit" )
	PORT_DIPSETTING(    0x01, "3 Coins/1 Credit" )
	PORT_DIPSETTING(    0x02, "2 Coins/1 Credit" )
	PORT_DIPSETTING(    0x07, "1 Coin/1 Credit" )
	PORT_DIPSETTING(    0x06, "1 Coin/2 Credits" )
	PORT_DIPSETTING(    0x05, "1 Coin/3 Credits" )
	PORT_DIPSETTING(    0x04, "1 Coin/4 Credits" )
	PORT_DIPSETTING(    0x03, "1 Coin/6 Credits" )
	PORT_DIPNAME( 0x38, 0x38, "Coin A", IP_KEY_NONE )
	PORT_DIPSETTING(    0x00, "4 Coins/1 Credit" )
	PORT_DIPSETTING(    0x08, "3 Coins/1 Credit" )
	PORT_DIPSETTING(    0x10, "2 Coins/1 Credit" )
	PORT_DIPSETTING(    0x38, "1 Coin/1 Credit" )
	PORT_DIPSETTING(    0x30, "1 Coin/2 Credits" )
	PORT_DIPSETTING(    0x28, "1 Coin/3 Credits" )
	PORT_DIPSETTING(    0x20, "1 Coin/4 Credits" )
	PORT_DIPSETTING(    0x18, "1 Coin/6 Credits" )
	PORT_BITX(    0x40, 0x40, IPT_DIPSWITCH_NAME | IPF_TOGGLE, "Service Mode", OSD_KEY_F2, IP_JOY_NONE, 0 )
	PORT_DIPSETTING(    0x40, "Off" )
	PORT_DIPSETTING(    0x00, "On" )
	PORT_DIPNAME( 0x80, 0x80, "Flip Screen", IP_KEY_NONE )
	PORT_DIPSETTING(    0x80, "Off")
	PORT_DIPSETTING(    0x00, "On" )

	PORT_START /* dipswitch B */
	PORT_DIPNAME( 0x03, 0x03, "Lives", IP_KEY_NONE )
	PORT_DIPSETTING(    0x03, "3" )
	PORT_DIPSETTING(    0x02, "4" )
	PORT_DIPSETTING(    0x01, "5" )
	PORT_DIPSETTING(    0x00, "7" )
	PORT_DIPNAME( 0x04, 0x00, "Cabinet", IP_KEY_NONE )
	PORT_DIPSETTING(    0x00, "Upright")
	PORT_DIPSETTING(    0x04, "Cocktail")
	PORT_DIPNAME( 0x18, 0x18, "F1 Up Point", IP_KEY_NONE )
	PORT_DIPSETTING(    0x18, "12" )
	PORT_DIPSETTING(    0x10, "16" )
	PORT_DIPSETTING(    0x08, "18" )
	PORT_DIPSETTING(    0x00, "20" )
	PORT_DIPNAME( 0x20, 0x20, "Difficulty", IP_KEY_NONE )
	PORT_DIPSETTING(    0x20, "Normal" )
	PORT_DIPSETTING(    0x00, "Difficult" )
	PORT_DIPNAME( 0x40, 0x00, "Version", IP_KEY_NONE )
	PORT_DIPSETTING(    0x00, "International" )
	PORT_DIPSETTING(    0x40, "Japan" )
	PORT_DIPNAME( 0x80, 0x80, "Allow Continue", IP_KEY_NONE )
	PORT_DIPSETTING(    0x00, "No" )
	PORT_DIPSETTING(    0x80, "Yes" )
INPUT_PORTS_END



static struct GfxLayout text_layout =
{
	8,8,    /* character size */
	2048,   /* number of characters */
	2,      /* bits per pixel */
	{ 4, 0 }, /* plane offsets */
	{ 0, 1, 2, 3, 8+0, 8+1, 8+2, 8+3 }, /* x offsets */
	{ 0*16, 1*16, 2*16, 3*16, 4*16, 5*16, 6*16, 7*16 }, /* y offsets */
	16*8
};

static struct GfxLayout tile_layout =
{
	32,32,  /* tile size */
	2048,   /* number of tiles */
	4,      /* bits per pixel */

	{ 2048*256*8+4, 2048*256*8+0, 4, 0 },

	{ /* x offsets */