📄 warlord.c
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/***************************************************************************
Warlords Driver by Lee Taylor and John Clegg
Warlords Memory map and Dip Switches
------------------------------------
Address R/W D7 D6 D5 D4 D3 D2 D1 D0 Function
--------------------------------------------------------------------------------------
0000-03FF D D D D D D D D RAM
--------------------------------------------------------------------------------------
0400-07BF D D D D D D D D Screen RAM (8x8 TILES, 32x32 SCREEN)
07C0-07CF D D D D D D D D Motion Object Picture
07D0-07DF D D D D D D D D Motion Object Vert.
07E0-07EF D D D D D D D D Motion Object Horiz.
--------------------------------------------------------------------------------------
0800 R D D D D D D D D Option Switch 1 (0 = On) (DSW 1)
0801 R D D D D D D D D Option Switch 2 (0 = On) (DSW 2)
--------------------------------------------------------------------------------------
0C00 R D Cocktail Cabinet (0 = Cocktail)
R D VBLANK (1 = VBlank)
R D SELF TEST
R D DIAG STEP (Unused)
0C01 R D D D R,C,L Coin Switches (0 = On)
R D Slam (0 = On)
R D Player 4 Start Switch (0 = On)
R D Player 3 Start Switch (0 = On)
R D Player 2 Start Switch (0 = On)
R D Player 1 Start Switch (0 = On)
--------------------------------------------------------------------------------------
1000-100F W D D D D D D D D Pokey
--------------------------------------------------------------------------------------
1800 W IRQ Acknowledge
--------------------------------------------------------------------------------------
1C00-1C02 W D D D D D D D D Coin Counters
--------------------------------------------------------------------------------------
1C03-1C06 W D D D D D D D D LEDs
--------------------------------------------------------------------------------------
4000 W Watchdog
--------------------------------------------------------------------------------------
5000-7FFF R Program ROM
--------------------------------------------------------------------------------------
Game Option Settings - J2 (DSW1)
=========================
8 7 6 5 4 3 2 1 Option
------------------------------------------
On On English
On Off French
Off On Spanish
Off Off German
On Music at end of each game
Off Music at end of game for new highscore
On On 1 or 2 player game costs 1 credit
On Off 1 player game=1 credit, 2 player=2 credits
Off Off 1 or 2 player game costs 2 credits
Off On Not used
-------------------------------------------
Game Price Settings - M2 (DSW2)
========================
8 7 6 5 4 3 2 1 Option
------------------------------------------
On On Free play
On Off 1 coin for 2 credits
Off On 1 coin for 1 credit
Off Off 2 coins for 1 credit
On On Right coin mech x 1
On Off Right coin mech x 4
Off On Right coin mech x 5
Off Off Right coin mech x 6
On Left coin mech x 1
Off Left coin mech x 2
On On On No bonus coins
On On Off For every 2 coins, add 1 coin
On Off On For every 4 coins, add 1 coin
On Off Off For every 4 coins, add 2 coins
Off On On For every 5 coins, add 1 coin
------------------------------------------
***************************************************************************/
#include "driver.h"
#include "vidhrdw/generic.h"
void warlord_vh_convert_color_prom(unsigned char *palette, unsigned short *colortable,const unsigned char *color_prom);
void warlord_vh_screenrefresh(struct osd_bitmap *bitmap,int full_refresh);
static void warlord_led_w(int offset,int data)
{
osd_led_w(offset,~data >> 7);
}
static struct MemoryReadAddress readmem[] =
{
{ 0x0000, 0x07ff, MRA_RAM },
{ 0x0800, 0x0800, input_port_2_r }, /* DSW1 */
{ 0x0801, 0x0801, input_port_3_r }, /* DSW2 */
{ 0x0c00, 0x0c00, input_port_0_r }, /* IN0 */
{ 0x0c01, 0x0c01, input_port_1_r }, /* IN1 */
{ 0x1000, 0x100f, pokey1_r }, /* Read the 4 paddle values & the random # gen */
{ 0x5000, 0x7fff, MRA_ROM },
{ 0xf800, 0xffff, MRA_ROM }, /* for the reset / interrupt vectors */
{ -1 } /* end of table */
};
static struct MemoryWriteAddress writemem[] =
{
{ 0x0000, 0x03ff, MWA_RAM },
{ 0x0400, 0x07bf, videoram_w, &videoram, &videoram_size },
{ 0x07c0, 0x07ff, MWA_RAM, &spriteram },
{ 0x1000, 0x100f, pokey1_w },
{ 0x1800, 0x1800, MWA_NOP }, /* IRQ Acknowledge */
{ 0x1c00, 0x1c02, coin_counter_w },
{ 0x1c03, 0x1c06, warlord_led_w }, /* 4 start lights */
{ 0x4000, 0x4000, watchdog_reset_w },
{ -1 } /* end of table */
};
INPUT_PORTS_START( input_ports )
PORT_START /* IN0 */
PORT_BIT ( 0x0f, IP_ACTIVE_HIGH, IPT_UNUSED )
PORT_DIPNAME (0x10, 0x00, "Diag Step", IP_KEY_NONE ) /* Not referenced */
PORT_DIPSETTING ( 0x00, "Off" )
PORT_DIPSETTING ( 0x10, "On" )
PORT_BITX( 0x20, 0x20, IPT_DIPSWITCH_NAME | IPF_TOGGLE, "Service Mode", OSD_KEY_F2, IP_JOY_NONE, 0 )
PORT_DIPSETTING( 0x20, "Off" )
PORT_DIPSETTING( 0x00, "On" )
PORT_BIT ( 0x40, IP_ACTIVE_HIGH, IPT_VBLANK )
PORT_DIPNAME (0x80, 0x00, "Cabinet", IP_KEY_NONE )
PORT_DIPSETTING ( 0x80, "Upright" )
PORT_DIPSETTING ( 0x00, "Cocktail" )
PORT_START /* IN1 */
PORT_BIT ( 0x01, IP_ACTIVE_LOW, IPT_BUTTON1 | IPF_PLAYER1 )
PORT_BIT ( 0x02, IP_ACTIVE_LOW, IPT_BUTTON1 | IPF_PLAYER2 )
PORT_BIT ( 0x04, IP_ACTIVE_LOW, IPT_BUTTON1 | IPF_PLAYER3 )
PORT_BIT ( 0x08, IP_ACTIVE_LOW, IPT_BUTTON1 | IPF_PLAYER4 )
PORT_BIT ( 0x10, IP_ACTIVE_LOW, IPT_TILT )
PORT_BIT ( 0x20, IP_ACTIVE_LOW, IPT_COIN1 )
PORT_BIT ( 0x40, IP_ACTIVE_LOW, IPT_COIN2 )
PORT_BIT ( 0x80, IP_ACTIVE_LOW, IPT_COIN3 )
PORT_START /* IN2 */
PORT_DIPNAME (0x03, 0x00, "Language", IP_KEY_NONE )
PORT_DIPSETTING ( 0x00, "English" )
PORT_DIPSETTING ( 0x01, "French" )
PORT_DIPSETTING ( 0x02, "Spanish" )
PORT_DIPSETTING ( 0x03, "German" )
PORT_DIPNAME (0x04, 0x00, "Music", IP_KEY_NONE )
PORT_DIPSETTING ( 0x00, "End of game" )
PORT_DIPSETTING ( 0x04, "High score only" )
PORT_BIT ( 0xc8, IP_ACTIVE_HIGH, IPT_UNUSED )
PORT_DIPNAME (0x30, 0x00, "Credits", IP_KEY_NONE )
PORT_DIPSETTING ( 0x00, "1p/2p = 1 credit" )
PORT_DIPSETTING ( 0x10, "1p = 1, 2p = 2" )
PORT_DIPSETTING ( 0x20, "1p/2p = 2 credits" )
PORT_START /* IN3 */
PORT_DIPNAME (0x03, 0x02, "Coinage", IP_KEY_NONE )
PORT_DIPSETTING ( 0x00, "Free Play" )
PORT_DIPSETTING ( 0x01, "1 Coin/2 Credits" )
PORT_DIPSETTING ( 0x02, "1 Coin/1 Credit" )
PORT_DIPSETTING ( 0x03, "2 Coins/1 Credit" )
PORT_DIPNAME (0x0c, 0x00, "Right Coin", IP_KEY_NONE )
PORT_DIPSETTING ( 0x00, "*1" )
PORT_DIPSETTING ( 0x04, "*4" )
PORT_DIPSETTING ( 0x08, "*5" )
PORT_DIPSETTING ( 0x0c, "*6" )
PORT_DIPNAME (0x10, 0x00, "Left Coin", IP_KEY_NONE )
PORT_DIPSETTING ( 0x00, "*1" )
PORT_DIPSETTING ( 0x10, "*2" )
PORT_DIPNAME (0xe0, 0x00, "Bonus Coins", IP_KEY_NONE )
PORT_DIPSETTING ( 0x00, "None" )
PORT_DIPSETTING ( 0x20, "3 credits/2 coins" )
PORT_DIPSETTING ( 0x40, "5 credits/4 coins" )
PORT_DIPSETTING ( 0x60, "6 credits/4 coins" )
PORT_DIPSETTING ( 0x80, "6 credits/5 coins" )
/* IN4-7 fake to control player paddles */
PORT_START
PORT_ANALOG ( 0xff, 0x80, IPT_PADDLE | IPF_PLAYER1, 50, 32, 0x1d, 0xcb )
PORT_START
PORT_ANALOG ( 0xff, 0x80, IPT_PADDLE | IPF_PLAYER2, 50, 32, 0x1d, 0xcb )
PORT_START
PORT_ANALOG ( 0xff, 0x80, IPT_PADDLE | IPF_PLAYER3, 50, 32, 0x1d, 0xcb )
PORT_START
PORT_ANALOG ( 0xff, 0x80, IPT_PADDLE | IPF_PLAYER4, 50, 32, 0x1d, 0xcb )
INPUT_PORTS_END
static struct GfxLayout charlayout =
{
8,8, /* 8*8 characters */
64, /* 64 characters */
2, /* 2 bits per pixel */
{ 128*8*8, 0 }, /* bitplane separation */
{ 7, 6, 5, 4, 3, 2, 1, 0 },
{ 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 GfxDecodeInfo gfxdecodeinfo[] =
{
{ 1, 0x0000, &charlayout, 0, 8 },
{ 1, 0x0200, &charlayout, 8*4, 8 },
{ -1 } /* end of array */
};
static struct POKEYinterface pokey_interface =
{
1, /* 1 chip */
12096000/8, /* 1.512 MHz */
100,
POKEY_DEFAULT_GAIN,
NO_CLIP,
/* The 8 pot handlers */
{ input_port_4_r },
{ input_port_5_r },
{ input_port_6_r },
{ input_port_7_r },
{ 0 },
{ 0 },
{ 0 },
{ 0 },
/* The allpot handler */
{ 0 },
};
static struct MachineDriver machine_driver =
{
/* basic machine hardware */
{
{
CPU_M6502,
12096000/16, /* 756 kHz */
0,
readmem,writemem,0,0,
interrupt,4
}
},
60, DEFAULT_REAL_60HZ_VBLANK_DURATION, /* frames per second, vblank duration */
1,
0,
/* video hardware */
32*8, 32*8, { 0*8, 32*8-1, 0*8, 30*8-1 },
gfxdecodeinfo,
128, 8*4+8*4,
warlord_vh_convert_color_prom,
VIDEO_TYPE_RASTER|VIDEO_SUPPORTS_DIRTY|VIDEO_MODIFIES_PALETTE,
0,
generic_vh_start,
generic_vh_stop,
warlord_vh_screenrefresh,
/* sound hardware */
0,0,0,0,
{
{
SOUND_POKEY,
&pokey_interface
}
}
};
/***************************************************************************
Game driver(s)
***************************************************************************/
ROM_START( warlord_rom )
ROM_REGION(0x10000) /* 64k for code */
ROM_LOAD( "037154.1m", 0x5000, 0x0800, 0x18006c87 )
ROM_LOAD( "037153.1k", 0x5800, 0x0800, 0x67758f4c )
ROM_LOAD( "037158.1j", 0x6000, 0x0800, 0x1f043a86 )
ROM_LOAD( "037157.1h", 0x6800, 0x0800, 0x1a639100 )
ROM_LOAD( "037156.1e", 0x7000, 0x0800, 0x534f34b4 )
ROM_LOAD( "037155.1d", 0x7800, 0x0800, 0x23b94210 )
ROM_RELOAD( 0xf800, 0x0800 ) /* for the reset and interrupt vectors */
ROM_REGION_DISPOSE(0x800) /* temporary space for graphics (disposed after conversion) */
ROM_LOAD( "037159.6e", 0x0000, 0x0800, 0xff979a08 )
ROM_REGION(0x0100) /* color prom */
/* Only the first 0x80 bytes are used by the hardware. A7 is grounded. */
/* Bytes 0x00-0x3f are used fore the color cocktail version. */
/* Bytes 0x40-0x7f are for the upright version of the cabinet with a */
/* mirror and painted background. */
ROM_LOAD( "warlord.clr", 0x0000, 0x0100, 0xa2c5c277 )
ROM_END
static int hiload(void)
{
unsigned char *RAM = Machine->memory_region[Machine->drv->cpu[0].memory_region];
/* check if the hi score table has already been initialized */
if (memcmp(&RAM[0x0127],"\x75",1) == 0)
{
void *f;
if ((f = osd_fopen(Machine->gamedrv->name,0,OSD_FILETYPE_HIGHSCORE,0)) != 0)
{
osd_fread(f,&RAM[0x00f3],9);
osd_fread(f,&RAM[0x011f],0x10);
osd_fclose(f);
}
return 1;
}
else return 0; /* we can't load the hi scores yet */
}
static void hisave(void)
{
void *f;
unsigned char *RAM = Machine->memory_region[Machine->drv->cpu[0].memory_region];
if ((f = osd_fopen(Machine->gamedrv->name,0,OSD_FILETYPE_HIGHSCORE,1)) != 0)
{
osd_fwrite(f,&RAM[0x00f3],9);
osd_fwrite(f,&RAM[0x011f],0x10);
osd_fclose(f);
}
}
struct GameDriver warlord_driver =
{
__FILE__,
0,
"warlord",
"Warlords",
"1980",
"Atari",
"Lee Taylor\nJohn Clegg\nBrad Oliver (additional code)\nZsolt Vasvari",
0,
&machine_driver,
0,
warlord_rom,
0, 0,
0,
0, /* sound_prom */
input_ports,
PROM_MEMORY_REGION(2), 0, 0,
ORIENTATION_DEFAULT,
hiload, hisave
};
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