📄 mcr2.c

📁 这个是延伸mame的在wince平台下的游戏模拟器的代码
💻 C
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/***************************************************************************

MCR/II memory map (preliminary)

0000-3fff ROM 0
4000-7fff ROM 1
8000-bfff ROM 2
c000-c7ff RAM
f000-f7ff sprite ram
f800-ff7f tiles
ff80-ffff palette ram

IN0

bit 0 : left coin
bit 1 : right coin
bit 2 : 1 player
bit 3 : 2 player
bit 4 : trigger button
bit 5 : tilt
bit 6 : ?
bit 7 : service

IN1, IN2

joystick, sometimes spinner

bit 0: left
bit 1: right
bit 2: up
bit 3: down

IN3

Usually dipswitches. Most game configuration is really done by holding down
the service key (F2) during the startup self-test.

Known issues:

* Trackball support is iffy at the moment.

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

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

int journey_vh_start(void);
void journey_vh_screenrefresh(struct osd_bitmap *bitmap,int full_refresh);

void mcr2_vh_screenrefresh(struct osd_bitmap *bitmap,int full_refresh);
void mcr2_videoram_w(int offset,int data);
void mcr2_paletteram_w(int offset,int data);

void mcr_init_machine(void);
int mcr_interrupt(void);
extern int mcr_loadnvram;

void mcr_writeport(int port,int value);
int mcr_readport(int port);
void mcr_soundstatus_w (int offset,int data);
int mcr_soundlatch_r (int offset);

int kroozr_dial_r(int offset);
int kroozr_trakball_x_r(int offset);
int kroozr_trakball_y_r(int offset);


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

  Memory maps

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

static struct MemoryReadAddress mcr2_readmem[] =
{
	{ 0x0000, 0xbfff, MRA_ROM },
	{ 0xc000, 0xc7ff, MRA_RAM },
	{ 0xf000, 0xffff, MRA_RAM },
	{ -1 }  /* end of table */
};

static struct MemoryWriteAddress mcr2_writemem[] =
{
	{ 0x0000, 0xbfff, MWA_ROM },
	{ 0xc000, 0xc7ff, MWA_RAM },
	{ 0xf000, 0xf7ff, MWA_RAM, &spriteram, &spriteram_size },
	{ 0xf800, 0xff7f, mcr2_videoram_w, &videoram, &videoram_size },
	{ 0xff80, 0xffff, mcr2_paletteram_w, &paletteram },
	{ -1 }  /* end of table */
};


static struct MemoryReadAddress journey_readmem[] =
{
	{ 0x0000, 0xbfff, MRA_ROM },
	{ 0xc000, 0xc7ff, MRA_RAM },
	{ 0xf000, 0xf1ff, MRA_RAM },
	{ 0xf800, 0xffff, MRA_RAM },
	{ -1 }  /* end of table */
};

static struct MemoryWriteAddress journey_writemem[] =
{
	{ 0x0000, 0xbfff, MWA_ROM },
	{ 0xc000, 0xc7ff, MWA_RAM },
	{ 0xf000, 0xf1ff, MWA_RAM, &spriteram, &spriteram_size },
	{ 0xf800, 0xff7f, mcr2_videoram_w, &videoram, &videoram_size },
	{ 0xff80, 0xffff, mcr2_paletteram_w, &paletteram },
	{ -1 }  /* end of table */
};


static struct MemoryReadAddress sound_readmem[] =
{
	{ 0x8000, 0x83ff, MRA_RAM },
	{ 0x9000, 0x9003, mcr_soundlatch_r },
	{ 0xa001, 0xa001, AY8910_read_port_0_r },
	{ 0xb001, 0xb001, AY8910_read_port_1_r },
	{ 0xf000, 0xf000, input_port_5_r },
	{ 0xe000, 0xe000, MRA_NOP },
	{ 0x0000, 0x3fff, MRA_ROM },
	{ -1 }	/* end of table */
};

static struct MemoryWriteAddress sound_writemem[] =
{
	{ 0x8000, 0x83ff, MWA_RAM },
	{ 0xa000, 0xa000, AY8910_control_port_0_w },
	{ 0xa002, 0xa002, AY8910_write_port_0_w },
	{ 0xb000, 0xb000, AY8910_control_port_1_w },
	{ 0xb002, 0xb002, AY8910_write_port_1_w },
	{ 0xc000, 0xc000, mcr_soundstatus_w },
	{ 0xe000, 0xe000, MWA_NOP },
	{ 0x0000, 0x3fff, MWA_ROM },
	{ -1 }	/* end of table */
};


static struct IOReadPort readport[] =
{
   { 0x00, 0x00, input_port_0_r },
   { 0x01, 0x01, input_port_1_r },
   { 0x02, 0x02, input_port_2_r },
   { 0x03, 0x03, input_port_3_r },
   { 0x04, 0x04, input_port_4_r },
   { 0x05, 0xff, mcr_readport },
   { -1 }
};

static struct IOReadPort kroozr_readport[] =
{
   { 0x00, 0x00, input_port_0_r },
   { 0x01, 0x01, kroozr_dial_r }, /* firing spinner */
   { 0x02, 0x02, kroozr_trakball_x_r }, /* x-axis */
   { 0x03, 0x03, input_port_3_r },
   { 0x04, 0x04, kroozr_trakball_y_r }, /* y-axis */
   { 0x05, 0xff, mcr_readport },
   { -1 }
};

static struct IOWritePort writeport[] =
{
   { 0, 0xFF, mcr_writeport },
   { -1 }	/* end of table */
};


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

  Input port definitions

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

INPUT_PORTS_START( shollow_input_ports )
	PORT_START	/* IN0 */
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_COIN1 )
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_COIN2 )
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_START1 )
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_START2 )
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_UNUSED )
	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_TILT )
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNUSED )
	PORT_BITX(    0x80, 0x80, IPT_DIPSWITCH_NAME | IPF_TOGGLE, "Service Mode", OSD_KEY_F2, IP_JOY_NONE, 0 )
	PORT_DIPSETTING(    0x80, "Off" )
	PORT_DIPSETTING(    0x00, "On" )

	PORT_START	/* IN1 */
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT | IPF_2WAY )
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT | IPF_2WAY )
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_BUTTON2 )
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_BUTTON1 )

	PORT_START	/* IN2 unused */
	PORT_BIT( 0xff, IP_ACTIVE_LOW, IPT_UNUSED )

	PORT_START	/* IN3 -- dipswitches */
	PORT_BIT( 0xff, IP_ACTIVE_LOW, IPT_UNKNOWN )

	PORT_START	/* IN4 unused */
	PORT_BIT( 0xff, IP_ACTIVE_LOW, IPT_UNUSED )

	PORT_START	/* AIN0 */
	PORT_BIT( 0xff, IP_ACTIVE_LOW, IPT_UNKNOWN )
INPUT_PORTS_END

INPUT_PORTS_START( tron_input_ports )
	PORT_START	/* IN0 */
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_COIN1 )
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_COIN2 )
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_START1 )
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_START2 )
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON1 )
	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_TILT )
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_COIN3 )
	PORT_BITX(    0x80, 0x80, IPT_DIPSWITCH_NAME | IPF_TOGGLE, "Service Mode", OSD_KEY_F2, IP_JOY_NONE, 0 )
	PORT_DIPSETTING(    0x80, "Off" )
	PORT_DIPSETTING(    0x00, "On" )

	PORT_START	/* IN1 -- controls spinner */
	PORT_ANALOGX( 0xff, 0x00, IPT_DIAL | IPF_REVERSE, 50, 0, 0, 0, OSD_KEY_Z, OSD_KEY_X, 0, 0, 4 )

	PORT_START	/* IN2 */
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT | IPF_8WAY )
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT | IPF_8WAY )
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_UP | IPF_8WAY )
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN | IPF_8WAY )
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_JOYSTICKLEFT_LEFT | IPF_8WAY | IPF_COCKTAIL )
	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_JOYSTICKLEFT_RIGHT | IPF_8WAY | IPF_COCKTAIL )
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_JOYSTICKLEFT_UP | IPF_8WAY | IPF_COCKTAIL )
	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_JOYSTICKLEFT_DOWN | IPF_8WAY | IPF_COCKTAIL )

	PORT_START	/* IN3 -- dipswitches */
	PORT_DIPNAME( 0x01, 0x00, "Coin Meters", IP_KEY_NONE )
	PORT_DIPSETTING(    0x01, "1" )
	PORT_DIPSETTING(    0x00, "2" )
	PORT_DIPNAME( 0x02, 0x00, "Cabinet", IP_KEY_NONE )
	PORT_DIPSETTING(    0x00, "Upright" )
	PORT_DIPSETTING(    0x02, "Cocktail" )
	PORT_DIPNAME( 0x04, 0x00, "Allow Continue", IP_KEY_NONE )
	PORT_DIPSETTING(    0x04, "No" )
	PORT_DIPSETTING(    0x00, "Yes" )
	PORT_BIT( 0xf8, IP_ACTIVE_LOW, IPT_UNUSED )

	PORT_START	/* IN4 */
	PORT_ANALOG( 0xff, 0x00, IPT_DIAL | IPF_REVERSE | IPF_COCKTAIL, 50, 0, 0, 0 )

	PORT_START	/* AIN0 */
	PORT_BIT( 0xff, IP_ACTIVE_LOW, IPT_UNKNOWN )
INPUT_PORTS_END

INPUT_PORTS_START( kroozr_input_ports )
	PORT_START	/* IN0 */
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_COIN1 )
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_COIN2 )
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_START1 )
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_START2 )
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON1 )
	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_TILT )
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNUSED )
	PORT_BITX(    0x80, 0x80, IPT_DIPSWITCH_NAME | IPF_TOGGLE, "Service Mode", OSD_KEY_F2, IP_JOY_NONE, 0 )
	PORT_DIPSETTING(    0x80, "Off" )
	PORT_DIPSETTING(    0x00, "On" )

	PORT_START	/* IN1 -- controls firing spinner */
	PORT_BIT( 0x07, IP_ACTIVE_HIGH, IPT_UNUSED )
	PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_UNKNOWN )
	PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_UNKNOWN )
	PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_UNKNOWN )
	PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_UNUSED )
	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_BUTTON2 )

	PORT_START	/* IN2 -- controls joystick x-axis */
	PORT_BIT( 0xff, IP_ACTIVE_HIGH, IPT_UNUSED )

	PORT_START	/* IN3 -- dipswitches */
	PORT_BIT( 0xff, IP_ACTIVE_LOW, IPT_UNKNOWN )

	PORT_START	/* IN4 -- controls joystick y-axis */
	PORT_BIT( 0xff, IP_ACTIVE_HIGH, IPT_UNUSED )

	PORT_START	/* AIN0 */
	PORT_BIT( 0xff, IP_ACTIVE_LOW, IPT_UNKNOWN )

	PORT_START	/* dummy extra port for keyboard movement */
	PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_JOYSTICK_RIGHT | IPF_8WAY )
	PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_JOYSTICK_LEFT | IPF_8WAY )
	PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_JOYSTICK_DOWN | IPF_8WAY )
	PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_JOYSTICK_UP | IPF_8WAY )
	PORT_BIT( 0xf0, IP_ACTIVE_HIGH, IPT_UNUSED )

	PORT_START	/* dummy extra port for dial control */
	PORT_ANALOGX( 0xff, 0x00, IPT_DIAL | IPF_REVERSE, 40, 0, 0, 0, OSD_KEY_Z, OSD_KEY_X, 0, 0, 4 )
INPUT_PORTS_END

INPUT_PORTS_START( domino_input_ports )
	PORT_START	/* IN0 */
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_COIN1 )
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_COIN2 )
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_START1 )
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_START2 )
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON1 )
	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_TILT )
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNUSED )
	PORT_BITX(    0x80, 0x80, IPT_DIPSWITCH_NAME | IPF_TOGGLE, "Service Mode", OSD_KEY_F2, IP_JOY_NONE, 0 )
	PORT_DIPSETTING(    0x80, "Off" )
	PORT_DIPSETTING(    0x00, "On" )

	PORT_START	/* IN1 */
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT | IPF_8WAY )
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT | IPF_8WAY )
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_UP | IPF_8WAY )
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN | IPF_8WAY )

	PORT_START	/* IN2 unused */
	PORT_BIT( 0xff, IP_ACTIVE_LOW, IPT_UNUSED )

	PORT_START	/* IN3 -- dipswitches */
	PORT_BIT( 0xff, IP_ACTIVE_LOW, IPT_UNKNOWN )

	PORT_START	/* IN4 unused */
	PORT_BIT( 0xff, IP_ACTIVE_LOW, IPT_UNUSED )

	PORT_START	/* AIN0 */
	PORT_BIT( 0xff, IP_ACTIVE_LOW, IPT_UNKNOWN )
INPUT_PORTS_END

INPUT_PORTS_START( wacko_input_ports )
	PORT_START	/* IN0 */
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_COIN1 )
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_COIN2 )
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_START1 )
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_START2 )
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON1 )
	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_TILT )
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNUSED )
	PORT_BITX(    0x80, 0x80, IPT_DIPSWITCH_NAME | IPF_TOGGLE, "Service Mode", OSD_KEY_F2, IP_JOY_NONE, 0 )
	PORT_DIPSETTING(    0x80, "Off" )
	PORT_DIPSETTING(    0x00, "On" )

	PORT_START	/* IN1 -- controls joystick x-axis */
	PORT_ANALOG ( 0xff, 0x00, IPT_TRACKBALL_X, 50, 0, 0, 0 )

	PORT_START	/* IN2 -- controls joystick y-axis */
	PORT_ANALOG ( 0xff, 0x00, IPT_TRACKBALL_Y | IPF_REVERSE, 50, 0, 0, 0 )

	PORT_START	/* IN3 -- dipswitches */
	PORT_BIT( 0xff, IP_ACTIVE_LOW, IPT_UNKNOWN )

	PORT_START	/* IN4 -- 4-way firing joystick */
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICKLEFT_RIGHT | IPF_4WAY )
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICKLEFT_LEFT | IPF_4WAY )
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICKLEFT_DOWN | IPF_4WAY )
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICKLEFT_UP | IPF_4WAY )
	PORT_BIT( 0xf0, IP_ACTIVE_LOW, IPT_UNUSED )

	PORT_START	/* AIN0 */
	PORT_BIT( 0xff, IP_ACTIVE_LOW, IPT_UNKNOWN )
INPUT_PORTS_END

INPUT_PORTS_START( twotiger_input_ports )
	PORT_START	/* IN0 */
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_COIN1 )
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_COIN2 )
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_START1 )
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_START2 )
	PORT_BITX(0x10, IP_ACTIVE_LOW, IPT_START1, "Dogfight Start", OSD_KEY_6, IP_JOY_NONE, 0 )
	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_TILT )
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_COIN3 )
	PORT_BITX(    0x80, 0x80, IPT_DIPSWITCH_NAME | IPF_TOGGLE, "Service Mode", OSD_KEY_F2, IP_JOY_NONE, 0 )
	PORT_DIPSETTING(    0x80, "Off" )
	PORT_DIPSETTING(    0x00, "On" )

	PORT_START	/* IN1 -- player 1 spinner */
	PORT_ANALOG( 0xff, 0x00, IPT_DIAL | IPF_REVERSE, 10, 0, 0, 0 )

	PORT_START	/* IN2 -- buttons for player 1 & player 2 */
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_BUTTON1 )
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_BUTTON2 )
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_BUTTON1 | IPF_PLAYER2 )
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_BUTTON2 | IPF_PLAYER2 )
	PORT_BIT( 0xf0, IP_ACTIVE_LOW, IPT_UNUSED )

	PORT_START	/* IN3 -- dipswitches */
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