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AmigActive 10
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milliped.c
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C/C++ Source or Header
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2000-04-04
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10KB
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327 lines
/***************************************************************************
Millipede memory map (preliminary)
driver by Ivan Mackintosh
0400-040F POKEY 1
0800-080F POKEY 2
1000-13BF SCREEN RAM (8x8 TILES, 32x30 SCREEN)
13C0-13CF SPRITE IMAGE OFFSETS
13D0-13DF SPRITE HORIZONTAL OFFSETS
13E0-13EF SPRITE VERTICAL OFFSETS
13F0-13FF SPRITE COLOR OFFSETS
2000 BIT 1-4 trackball
BIT 5 IS P1 FIRE
BIT 6 IS P1 START
BIT 7 IS VBLANK
2001 BIT 1-4 trackball
BIT 5 IS P2 FIRE
BIT 6 IS P2 START
BIT 7,8 (?)
2010 BIT 1 IS P1 RIGHT
BIT 2 IS P1 LEFT
BIT 3 IS P1 DOWN
BIT 4 IS P1 UP
BIT 5 IS SLAM, LEFT COIN, AND UTIL COIN
BIT 6,7 (?)
BIT 8 IS RIGHT COIN
2030 earom read
2480-249F COLOR RAM
2500-2502 Coin counters
2503-2504 LEDs
2505-2507 Coin door lights ??
2600 INTERRUPT ACKNOWLEDGE
2680 CLEAR WATCHDOG
2700 earom control
2780 earom write
4000-7FFF GAME CODE
*************************************************************************/
#include "driver.h"
#include "vidhrdw/generic.h"
#include "machine/atari_vg.h"
WRITE_HANDLER( milliped_paletteram_w );
void milliped_vh_screenrefresh(struct osd_bitmap *bitmap,int full_refresh);
READ_HANDLER( milliped_IN0_r );
READ_HANDLER( milliped_IN1_r );
WRITE_HANDLER( milliped_input_select_w );
WRITE_HANDLER( milliped_led_w )
{
osd_led_w (offset, ~(data >> 7));
}
static struct MemoryReadAddress readmem[] =
{
{ 0x0000, 0x03ff, MRA_RAM },
{ 0x0400, 0x040f, pokey1_r },
{ 0x0800, 0x080f, pokey2_r },
{ 0x1000, 0x13ff, MRA_RAM },
{ 0x2000, 0x2000, milliped_IN0_r },
{ 0x2001, 0x2001, milliped_IN1_r },
{ 0x2010, 0x2010, input_port_2_r },
{ 0x2011, 0x2011, input_port_3_r },
{ 0x2030, 0x2030, atari_vg_earom_r },
{ 0x4000, 0x7fff, MRA_ROM },
{ 0xf000, 0xffff, MRA_ROM }, /* for the reset / interrupt vectors */
{ -1 } /* end of table */
};
static struct MemoryWriteAddress writemem[] =
{
{ 0x0000, 0x03ff, MWA_RAM },
{ 0x0400, 0x040f, pokey1_w },
{ 0x0800, 0x080f, pokey2_w },
{ 0x1000, 0x13ff, videoram_w, &videoram, &videoram_size },
{ 0x13c0, 0x13ff, MWA_RAM, &spriteram },
{ 0x2480, 0x249f, milliped_paletteram_w, &paletteram },
{ 0x2500, 0x2502, coin_counter_w },
{ 0x2503, 0x2504, milliped_led_w },
{ 0x2505, 0x2505, milliped_input_select_w },
// { 0x2506, 0x2507, MWA_NOP }, /* ? */
{ 0x2600, 0x2600, MWA_NOP }, /* IRQ ack */
{ 0x2680, 0x2680, watchdog_reset_w },
{ 0x2700, 0x2700, atari_vg_earom_ctrl_w },
{ 0x2780, 0x27bf, atari_vg_earom_w },
{ 0x4000, 0x73ff, MWA_ROM },
{ -1 } /* end of table */
};
INPUT_PORTS_START( milliped )
PORT_START /* IN0 $2000 */ /* see port 6 for x trackball */
PORT_DIPNAME(0x03, 0x00, "Language" )
PORT_DIPSETTING( 0x00, "English" )
PORT_DIPSETTING( 0x01, "German" )
PORT_DIPSETTING( 0x02, "French" )
PORT_DIPSETTING( 0x03, "Spanish" )
PORT_DIPNAME(0x0c, 0x04, "Bonus" )
PORT_DIPSETTING( 0x00, "0" )
PORT_DIPSETTING( 0x04, "0 1x" )
PORT_DIPSETTING( 0x08, "0 1x 2x" )
PORT_DIPSETTING( 0x0c, "0 1x 2x 3x" )
PORT_BIT ( 0x10, IP_ACTIVE_LOW, IPT_BUTTON1 )
PORT_BIT ( 0x20, IP_ACTIVE_LOW, IPT_START1 )
PORT_BIT ( 0x40, IP_ACTIVE_HIGH, IPT_VBLANK )
PORT_BIT ( 0x80, IP_ACTIVE_HIGH, IPT_UNKNOWN ) /* trackball sign bit */
PORT_START /* IN1 $2001 */ /* see port 7 for y trackball */
PORT_DIPNAME(0x01, 0x00, DEF_STR( Unknown ) )
PORT_DIPSETTING( 0x00, DEF_STR( Off ) )
PORT_DIPSETTING( 0x01, DEF_STR( On ) )
PORT_DIPNAME(0x02, 0x00, DEF_STR( Unknown ) )
PORT_DIPSETTING( 0x00, DEF_STR( Off ) )
PORT_DIPSETTING( 0x02, DEF_STR( On ) )
PORT_DIPNAME(0x04, 0x00, "Credit Minimum" )
PORT_DIPSETTING( 0x00, "1" )
PORT_DIPSETTING( 0x04, "2" )
PORT_DIPNAME(0x08, 0x00, "Coin Counters" )
PORT_DIPSETTING( 0x00, "1" )
PORT_DIPSETTING( 0x08, "2" )
PORT_BIT ( 0x10, IP_ACTIVE_LOW, IPT_BUTTON1 | IPF_COCKTAIL )
PORT_BIT ( 0x20, IP_ACTIVE_LOW, IPT_START2 )
PORT_BIT ( 0x40, IP_ACTIVE_LOW, IPT_UNKNOWN )
PORT_BIT ( 0x80, IP_ACTIVE_HIGH, IPT_UNKNOWN ) /* trackball sign bit */
PORT_START /* IN2 $2010 */
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_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 /* IN3 $2011 */
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_UNKNOWN )
PORT_BIT ( 0x20, IP_ACTIVE_LOW, IPT_UNKNOWN )
PORT_BIT ( 0x40, IP_ACTIVE_LOW, IPT_UNKNOWN )
PORT_SERVICE( 0x80, IP_ACTIVE_LOW )
PORT_START /* 4 */ /* DSW1 $0408 */
PORT_DIPNAME(0x01, 0x00, "Millipede Head" )
PORT_DIPSETTING( 0x00, "Easy" )
PORT_DIPSETTING( 0x01, "Hard" )
PORT_DIPNAME(0x02, 0x00, "Beetle" )
PORT_DIPSETTING( 0x00, "Easy" )
PORT_DIPSETTING( 0x02, "Hard" )
PORT_DIPNAME(0x0c, 0x04, DEF_STR( Lives ) )
PORT_DIPSETTING( 0x00, "2" )
PORT_DIPSETTING( 0x04, "3" )
PORT_DIPSETTING( 0x08, "4" )
PORT_DIPSETTING( 0x0c, "5" )
PORT_DIPNAME(0x30, 0x10, DEF_STR( Bonus_Life ) )
PORT_DIPSETTING( 0x00, "12000" )
PORT_DIPSETTING( 0x10, "15000" )
PORT_DIPSETTING( 0x20, "20000" )
PORT_DIPSETTING( 0x30, "None" )
PORT_DIPNAME(0x40, 0x00, "Spider" )
PORT_DIPSETTING( 0x00, "Easy" )
PORT_DIPSETTING( 0x40, "Hard" )
PORT_DIPNAME(0x80, 0x00, "Starting Score Select" )
PORT_DIPSETTING( 0x80, DEF_STR( Off ) )
PORT_DIPSETTING( 0x00, DEF_STR( On ) )
PORT_START /* 5 */ /* DSW2 $0808 */
PORT_DIPNAME(0x03, 0x02, DEF_STR( Coinage ) )
PORT_DIPSETTING( 0x03, DEF_STR( 2C_1C ) )
PORT_DIPSETTING( 0x02, DEF_STR( 1C_1C ) )
PORT_DIPSETTING( 0x01, DEF_STR( 1C_2C ) )
PORT_DIPSETTING( 0x00, DEF_STR( Free_Play ) )
PORT_DIPNAME(0x0c, 0x00, "Right Coin" )
PORT_DIPSETTING( 0x00, "*1" )
PORT_DIPSETTING( 0x04, "*4" )
PORT_DIPSETTING( 0x08, "*5" )
PORT_DIPSETTING( 0x0c, "*6" )
PORT_DIPNAME(0x10, 0x00, "Left Coin" )
PORT_DIPSETTING( 0x00, "*1" )
PORT_DIPSETTING( 0x10, "*2" )
PORT_DIPNAME(0xe0, 0x00, "Bonus Coins" )
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" )
PORT_DIPSETTING( 0xa0, "4 credits/3 coins" )
PORT_DIPSETTING( 0xc0, "Demo mode" )
PORT_START /* IN6: FAKE - used for trackball-x at $2000 */
PORT_ANALOGX( 0xff, 0x00, IPT_TRACKBALL_X | IPF_REVERSE, 50, 10, 0, 0, IP_KEY_NONE, IP_KEY_NONE, IP_JOY_NONE, IP_JOY_NONE )
PORT_START /* IN7: FAKE - used for trackball-y at $2001 */
PORT_ANALOGX( 0xff, 0x00, IPT_TRACKBALL_Y, 50, 10, 0, 0, IP_KEY_NONE, IP_KEY_NONE, IP_JOY_NONE, IP_JOY_NONE )
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 =
{
8,16, /* 16*8 sprites */
128, /* 64 sprites */
2, /* 2 bits per pixel */
{ 0, 128*16*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, 9*8, 10*8, 11*8, 12*8, 13*8, 14*8, 15*8 },
16*8 /* every sprite takes 16 consecutive bytes */
};
static struct GfxDecodeInfo gfxdecodeinfo[] =
{
{ REGION_GFX1, 0, &charlayout, 0, 4 }, /* use colors 0-15 */
{ REGION_GFX1, 0, &spritelayout, 16, 1 }, /* use colors 16-19 */
{ -1 } /* end of array */
};
static struct POKEYinterface pokey_interface =
{
2, /* 2 chips */
1500000, /* 1.5 MHz??? */
{ 50, 50 },
/* The 8 pot handlers */
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
/* The allpot handler */
{ input_port_4_r, input_port_5_r },
};
static struct MachineDriver machine_driver_milliped =
{
/* basic machine hardware */
{
{
CPU_M6502,
1500000, /* 1.5 Mhz ???? */
readmem,writemem,0,0,
interrupt,4
}
},
60, DEFAULT_REAL_60HZ_VBLANK_DURATION, /* frames per second, vblank duration */
10,
0,
/* video hardware */
32*8, 32*8, { 0*8, 32*8-1, 0*8, 30*8-1 },
gfxdecodeinfo,
32, 32,
0,
VIDEO_TYPE_RASTER|VIDEO_SUPPORTS_DIRTY|VIDEO_MODIFIES_PALETTE,
0,
generic_vh_start,
generic_vh_stop,
milliped_vh_screenrefresh,
/* sound hardware */
0,0,0,0,
{
{
SOUND_POKEY,
&pokey_interface
}
},
atari_vg_earom_handler
};
/***************************************************************************
Game driver(s)
***************************************************************************/
ROM_START( milliped )
ROM_REGION( 0x10000, REGION_CPU1 ) /* 64k for code */
ROM_LOAD( "milliped.104", 0x4000, 0x1000, 0x40711675 )
ROM_LOAD( "milliped.103", 0x5000, 0x1000, 0xfb01baf2 )
ROM_LOAD( "milliped.102", 0x6000, 0x1000, 0x62e137e0 )
ROM_LOAD( "milliped.101", 0x7000, 0x1000, 0x46752c7d )
ROM_RELOAD( 0xf000, 0x1000 ) /* for the reset and interrupt vectors */
ROM_REGION( 0x1000, REGION_GFX1 | REGIONFLAG_DISPOSE )
ROM_LOAD( "milliped.106", 0x0000, 0x0800, 0xf4468045 )
ROM_LOAD( "milliped.107", 0x0800, 0x0800, 0x68c3437a )
ROM_END
GAME( 1982, milliped, 0, milliped, milliped, 0, ROT270, "Atari", "Millipede" )