/***************************************************************************
Lazer Command memory map (preliminary)
driver by Juergen Buchmueller
0000-0bff ROM
1c00-1c1f RAM CPU scratch pad is first 32 bytes of video RAM(not displayed)
1c20-1eff RAM video buffer
xxxx D0 - D5 character select
D6 horz line below character (row #9)
D7 vert line right of character (bit #0)
1f00-1f03 R/W hardware
1f00 W audio channels
D4 gun fire
D5 explosion
D6 tank engine
D7 running man
1f00 R player 1 joystick
D0 up
D1 down
D2 right
D3 left
1f01 W D0 - D7 marker y position
1f01 R player 2 joystick
D0 up
D1 down
D2 right
D3 left
1f02 W D0 - D7 marker x position
1f02 R player 1 + 2 buttons
D0 button 1 player 2
D1 button 1 player 1
D2 button 2 player 2
D3 button 2 player 1
1f03 W attract mode
D0 toggle on attract mode
(attract mode switched off by coin detected)
D4 clear coin detected toggle
1f03 R coinage, coin detected and start buttons
D0 coin 1/2 (DIP switch 4)
D1 start 'expert'
D2 start 'novice'
D3 coin detected
1f04-1f07 Read only hardware
1f04 R vertical scan counter
D0 60 Hz
D1 120 Hz
D2 240 Hz
D3 480 Hz
1f05 R vertical scan counter
D0 7.860 KHz
D1 3.960 KHz
D2 1.980 KHz
D3 960 Hz
1f06 R D0 - D7 readback of marker x position
1f07 R D0 - D7 readback of marker y position
I/O ports:
'data' R game time
D0 - D1 60,90,120,180 seconds (DIP switch 1 - 2)
***************************************************************************/
/***************************************************************************
Meadows Lanes memory map (preliminary)
0000-0bff ROM
0c00-0c1f RAM CPU scratch pad is first 32 bytes of video RAM(not displayed)
0c20-0eff RAM video buffer
xxxx D0 - D5 character select
D6 horz line below character (row #9)
D7 vert line right of character (bit #0)
1000-17ff ROM
1f00-1f03 R/W hardware
1f00 W audio control bits
D0 - D3 not used
D4 bowl and hit
D5 hit
D6 - D7 not used
1f00 R bowl ball
D0 fast
D1 slow
joystick
D2 right
D3 left
1f01 W D0 - D7 marker y position
1f01 R hook control
D0 left
D1 right
D2 - D3 not used
1f02 W D0 - D7 marker x position
1f02 R D0 - D3 not used
1f03 W attract mode
D0 toggle on attract mode
(attract mode switched off by coin detected)
D4 clear coin detected toggle
D5 can be jumpered to control inverse video
D6 - D7 not used
1f03 R coinage, coin detected and start buttons
D0 coin 1/2 (DIP switch 4)
D1 start
D2 not used
D3 coin detected
1f04-1f07 Read only hardware
1f04 R vertical scan counter
D0 60 Hz
D1 120 Hz
D2 240 Hz
D3 480 Hz
1f05 R vertical scan counter
D0 7.860 KHz
D1 3.960 KHz
D2 1.980 KHz
D3 960 Hz
1f06 R D0 - D7 readback of marker x position
1f07 R D0 - D7 readback of marker y position
I/O ports:
'data' R game time
D0 time on (DIP switch 1)
D1 3,5 seconds (DIP switch 2)
***************************************************************************/
/***************************************************************************
Bigfoot Bonkers memory map (preliminary)
driver by Juergen Buchmueller
0000-07ff ROM
1c00-1c1f RAM CPU scratch pad is first 32 bytes of video RAM(not displayed)
1c20-1eff RAM video buffer
xxxx D0 - D5 character select
D6 horz line below character (row #9)
D7 vert line right of character (bit #0)
1f00-1f03 R/W hardware
1f00 W audio channels
D4 unused
D5 tone 1
D6 tone 2
D7 unused
1f00 R player 1 joystick
D0 up
D1 down
D2 right
D3 left
1f01 W D0 - D7 unused
1f01 R player 2 joystick
D0 up
D1 down
D2 right
D3 left
1f02 W D0 - D7 unused
1f02 R player 1 + 2 buttons
D0 unused
D1 unused
D2 unused
D3 unused
1f03 W attract mode
D0 toggle on attract mode
(attract mode switched off by coin detected)
D4 clear coin detected toggle
1f03 R coinage, coin detected and start buttons
D0 coin 1/2 (DIP switch 4)
D1 start
D2 start
D3 coin detected
1f04-1f07 Read only hardware
1f04 R vertical scan counter
D0 60 Hz
D1 120 Hz
D2 240 Hz
D3 480 Hz
1f05 R vertical scan counter
D0 7.860 KHz
D1 3.960 KHz
D2 1.980 KHz
D3 960 Hz
1f06 R D0 - D7 unused
1f07 R D0 - D7 unused
***************************************************************************/
#include "driver.h"
#include "deprecat.h"
#include "lazercmd.h"
#include "cpu/s2650/s2650.h"
#include "sound/dac.h"
#include "rendlay.h"
#include "lazercmd.lh"
#define MASTER_CLOCK XTAL_8MHz
/*************************************************************
*
* Statics
*
*************************************************************/
static int timer_count = 0;
/*************************************************************
* Interrupt for the cpu
* Fake something toggling the sense input line of the S2650
* The rate should be at about 1 Hz
*************************************************************/
static INTERRUPT_GEN( lazercmd_timer )
{
static int sense_state = 0;
if( ++timer_count >= 64*128 ) {
timer_count = 0;
sense_state ^= 1;
cpu_set_input_line(device, 1, (sense_state) ? ASSERT_LINE : CLEAR_LINE );
}
}
static INTERRUPT_GEN( bbonk_timer )
{
if( ++timer_count >= 64*128 )
timer_count = 0;
}
/*************************************************************
*
* IO port read/write
*
*************************************************************/
/* triggered by WRTC,r opcode */
static WRITE8_HANDLER( lazercmd_ctrl_port_w )
{
}
/* triggered by REDC,r opcode */
static READ8_HANDLER( lazercmd_ctrl_port_r )
{
int data = 0;
return data;
}
/* triggered by WRTD,r opcode */
static WRITE8_HANDLER( lazercmd_data_port_w )
{
}
/* triggered by REDD,r opcode */
static READ8_HANDLER( lazercmd_data_port_r )
{
int data;
data = input_port_read(space->machine, "DSW") & 0x0f;
return data;
}
static WRITE8_HANDLER( lazercmd_hardware_w )
{
static int DAC_data = 0;
switch (offset)
{
case 0: /* audio channels */
DAC_data=(data&0x80)^((data&0x40)<<1)^((data&0x20)<<2)^((data&0x10)<<3);
if (DAC_data)
{
dac_data_w(devtag_get_device(space->machine, "dac"), 0xff);
}
else
{
dac_data_w(devtag_get_device(space->machine, "dac"), 0);
}
break;
case 1: /* marker Y position */
marker_y = data;
break;
case 2: /* marker X position */
marker_x = data;
break;
case 3: /* D4 clears coin detected and D0 toggles on attract mode */
break;
}
}
static WRITE8_HANDLER( medlanes_hardware_w )
{
static int DAC_data = 0;
switch (offset)
{
case 0: /* audio control */
/* bits 4 and 5 are used to control a sound board */
/* these could be used to control sound samples */
/* at the moment they are routed through the dac */
DAC_data=((data&0x20)<<2)^((data&0x10)<<3);
if (DAC_data)
{
dac_data_w(devtag_get_device(space->machine, "dac"), 0xff);
}
else
{
dac_data_w(devtag_get_device(space->machine, "dac"), 0);
}
break;
case 1: /* marker Y position */
marker_y = data;
break;
case 2: /* marker X position */
marker_x = data;
break;
case 3: /* D4 clears coin detected and D0 toggles on attract mode */
break;
}
}
static WRITE8_HANDLER( bbonk_hardware_w )
{
static int DAC_data = 0;
switch (offset)
{
case 0: /* audio control */
/* bits 4 and 5 are used to control a sound board */
/* these could be used to control sound samples */
/* at the moment they are routed through the dac */
DAC_data=((data&0x20)<<2)^((data&0x10)<<3);
if (DAC_data)
{
dac_data_w(devtag_get_device(space->machine, "dac"), 0xff);
}
else
{
dac_data_w(devtag_get_device(space->machine, "dac"), 0);
}
break;
case 3: /* D4 clears coin detected and D0 toggles on attract mode */
break;
}
}
static READ8_HANDLER( lazercmd_hardware_r )
{
int data = 0;
switch (offset)
{
case 0: /* player 1 joysticks */
data = input_port_read(space->machine, "IN0");
break;
case 1: /* player 2 joysticks */
data = input_port_read(space->machine, "IN1");
break;
case 2: /* player 1 + 2 buttons */
data = input_port_read(space->machine, "IN3");
break;
case 3: /* coin slot + start buttons */
data = input_port_read(space->machine, "IN2");
break;
case 4: /* vertical scan counter */
data = ((timer_count&0x10)>>1)|((timer_count&0x20)>>3)|((timer_count&0x40)>>5)|((timer_count&0x80)>>7);
break;
case 5: /* vertical scan counter */
data = timer_count & 0x0f;
break;
case 6: /* 1f02 readback */
data = marker_x;
break;
case 7: /* 1f01 readback */
data = marker_y;
break;
}
return data;
}
/*************************************************************
*
* Memory maps
*
*************************************************************/
static ADDRESS_MAP_START( lazercmd_map, ADDRESS_SPACE_PROGRAM, 8 )
AM_RANGE(0x0000, 0x0bff) AM_ROM
AM_RANGE(0x1c00, 0x1c1f) AM_RAM
AM_RANGE(0x1c20, 0x1eff) AM_RAM AM_BASE(&videoram) AM_SIZE(&videoram_size)
AM_RANGE(0x1f00, 0x1f03) AM_WRITE(lazercmd_hardware_w)
AM_RANGE(0x1f00, 0x1f07) AM_READ(lazercmd_hardware_r)
ADDRESS_MAP_END
static ADDRESS_MAP_START( medlanes_map, ADDRESS_SPACE_PROGRAM, 8 )
AM_RANGE(0x0000, 0x0bff) AM_ROM
AM_RANGE(0x1000, 0x17ff) AM_ROM
AM_RANGE(0x1c00, 0x1c1f) AM_RAM
AM_RANGE(0x1c20, 0x1eff) AM_RAM AM_BASE(&videoram) AM_SIZE(&videoram_size)
AM_RANGE(0x1f00, 0x1f03) AM_WRITE(medlanes_hardware_w)
AM_RANGE(0x1f00, 0x1f07) AM_READ(lazercmd_hardware_r)
ADDRESS_MAP_END
static ADDRESS_MAP_START( bbonk_map, ADDRESS_SPACE_PROGRAM, 8 )
AM_RANGE(0x0000, 0x0bff) AM_ROM
AM_RANGE(0x1c00, 0x1c1f) AM_RAM
AM_RANGE(0x1c20, 0x1eff) AM_RAM AM_BASE(&videoram) AM_SIZE(&videoram_size)
AM_RANGE(0x1f00, 0x1f03) AM_WRITE(bbonk_hardware_w)
AM_RANGE(0x1f00, 0x1f07) AM_READ(lazercmd_hardware_r)
ADDRESS_MAP_END
static ADDRESS_MAP_START( lazercmd_portmap, ADDRESS_SPACE_IO, 8 )
AM_RANGE(S2650_CTRL_PORT, S2650_CTRL_PORT) AM_READWRITE(lazercmd_ctrl_port_r, lazercmd_ctrl_port_w)
AM_RANGE(S2650_DATA_PORT, S2650_DATA_PORT) AM_READWRITE(lazercmd_data_port_r, lazercmd_data_port_w)
ADDRESS_MAP_END
static INPUT_PORTS_START( lazercmd )
PORT_START("IN0") /* IN0 player 1 controls */
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_PLAYER(1)
PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_PLAYER(1)
PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_PLAYER(1)
PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_PLAYER(1)
PORT_BIT( 0xf0, IP_ACTIVE_LOW, IPT_UNUSED )
PORT_START("IN1") /* IN1 player 2 controls */
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_PLAYER(2)
PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_PLAYER(2)
PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_PLAYER(2)
PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_PLAYER(2)
PORT_BIT( 0xf0, IP_ACTIVE_LOW, IPT_UNUSED )
PORT_START("DSW") /* IN2 dip switch */
PORT_DIPNAME( 0x03, 0x03, DEF_STR( Game_Time ) )
PORT_DIPSETTING( 0x00, "60 seconds" )
PORT_DIPSETTING( 0x01, "90 seconds" )
PORT_DIPSETTING( 0x02, "120 seconds" )
PORT_DIPSETTING( 0x03, "180 seconds" )
PORT_BIT( 0x18, IP_ACTIVE_LOW, IPT_UNUSED )
PORT_DIPNAME( 0x20, 0x20, "Video Invert" )
PORT_DIPSETTING( 0x00, DEF_STR( Off ) )
PORT_DIPSETTING( 0x20, DEF_STR( On ) )
PORT_DIPNAME( 0x40, 0x40, "Marker Size" )
PORT_DIPSETTING( 0x00, "Small" )
PORT_DIPSETTING( 0x40, "Large" )
// PORT_DIPNAME( 0x80, 0x80, "Color Overlay" )
// PORT_DIPSETTING( 0x00, DEF_STR( Off ) )
// PORT_DIPSETTING( 0x80, DEF_STR( On ) )
PORT_START("IN2") /* IN3 coinage & start */
PORT_DIPNAME( 0x01, 0x01, DEF_STR( Coinage ) )
PORT_DIPSETTING( 0x00, DEF_STR( 2C_1C ) )
PORT_DIPSETTING( 0x01, DEF_STR( 1C_1C ) )
PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_START1 )
PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_START2 )
PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_COIN1 )
PORT_BIT( 0xf0, IP_ACTIVE_HIGH, IPT_UNUSED )
PORT_START("IN3") /* IN4 player 1 + 2 buttons */
PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(1)
PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_PLAYER(1)
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(2)
PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_PLAYER(2)
PORT_BIT( 0xf0, IP_ACTIVE_LOW, IPT_UNUSED )
INPUT_PORTS_END
static INPUT_PORTS_START( medlanes )
PORT_START("IN0") /* IN0 player 1 controls */
PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT )
PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT )
PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_BUTTON1 )
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_BUTTON2 )
PORT_BIT( 0xf0, IP_ACTIVE_LOW, IPT_UNUSED )
PORT_START("IN1") /* IN1 player 1 controls */
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_OTHER ) PORT_NAME("Hook Left") PORT_CODE(KEYCODE_Z)
PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_OTHER ) PORT_NAME("Hook Right") PORT_CODE(KEYCODE_X)
PORT_BIT( 0xfc, IP_ACTIVE_LOW, IPT_UNUSED)
PORT_START("DSW") /* IN2 dip switch */
PORT_DIPNAME( 0x01, 0x01, "Game Timer" )
PORT_DIPSETTING( 0x00, DEF_STR( Off ) )
PORT_DIPSETTING( 0x01, DEF_STR( On ) )
PORT_DIPNAME( 0x02, 0x02, "Time" )
PORT_DIPSETTING( 0x00, "3 seconds" )
PORT_DIPSETTING( 0x02, "5 seconds" )
PORT_BIT( 0x1C, IP_ACTIVE_LOW, IPT_UNUSED)
PORT_DIPNAME( 0x20, 0x00, "Video Invert" )
PORT_DIPSETTING( 0x00, DEF_STR( Off ) )
PORT_DIPSETTING( 0x20, DEF_STR( On ) )
PORT_DIPNAME( 0x40, 0x00, "Marker Size" )
PORT_DIPSETTING( 0x00, "Small" )
PORT_DIPSETTING( 0x40, "Large" )
// PORT_DIPNAME( 0x80, 0x80, "Color Overlay" )
// PORT_DIPSETTING( 0x00, DEF_STR( Off ) )
// PORT_DIPSETTING( 0x80, DEF_STR( On ) )
PORT_START("IN2") /* IN3 coinage & start */
PORT_DIPNAME( 0x01, 0x01, DEF_STR( Coinage ) )
PORT_DIPSETTING( 0x00, DEF_STR( 2C_1C ) )
PORT_DIPSETTING( 0x01, DEF_STR( 1C_1C ) )
PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_START1 )
PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_COIN1 )
PORT_BIT( 0xf4, IP_ACTIVE_HIGH, IPT_UNUSED )
PORT_START("IN3") /* IN4 not used */
PORT_BIT( 0xff, IP_ACTIVE_LOW, IPT_UNUSED )
INPUT_PORTS_END
static INPUT_PORTS_START( bbonk )
PORT_START("IN0") /* IN0 player 1 controls */
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_PLAYER(1)
PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_PLAYER(1)
PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_PLAYER(1)
PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_PLAYER(1)
PORT_BIT( 0xf0, IP_ACTIVE_LOW, IPT_UNUSED )
PORT_START("IN1") /* IN1 player 2 controls */
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_PLAYER(2)
PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_PLAYER(2)
PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_PLAYER(2)
PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_PLAYER(2)
PORT_BIT( 0xf0, IP_ACTIVE_LOW, IPT_UNUSED )
PORT_START("DSW") /* IN2 dip switch */
PORT_DIPNAME( 0x03, 0x02, "Games to win" )
PORT_DIPSETTING( 0x02, "2" )
PORT_DIPSETTING( 0x03, "3" )
PORT_DIPSETTING( 0x00, "4" )
PORT_DIPSETTING( 0x01, "5" )
PORT_BIT( 0x1C, IP_ACTIVE_LOW, IPT_UNUSED)
PORT_DIPNAME( 0x20, 0x00, "Video Invert" )
PORT_DIPSETTING( 0x00, DEF_STR( Off ) )
PORT_DIPSETTING( 0x20, DEF_STR( On ) )
PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNUSED)
// PORT_DIPNAME( 0x80, 0x00, "Color Overlay" )
// PORT_DIPSETTING( 0x00, DEF_STR( Off ) )
// PORT_DIPSETTING( 0x80, DEF_STR( On ) )
PORT_START("IN2") /* IN3 coinage & start */
PORT_DIPNAME( 0x01, 0x01, DEF_STR( Coinage ) )
PORT_DIPSETTING( 0x00, DEF_STR( 2C_1C ) )
PORT_DIPSETTING( 0x01, DEF_STR( 1C_1C ) )
PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_START1 )
PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_COIN1 )
PORT_BIT( 0xf4, IP_ACTIVE_HIGH, IPT_UNUSED )
PORT_START("IN3") /* IN4 not used */
PORT_BIT( 0xff, IP_ACTIVE_LOW, IPT_UNUSED )
INPUT_PORTS_END
static const gfx_layout charlayout =
{
8, 10, /* 8*10 characters */
4*64, /* 4 * 64 characters */
1, /* 1 bit per pixel */
{ 0 }, /* no bitplanes */
{ 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 /* every char takes 10 bytes */
};
static GFXDECODE_START( lazercmd )
GFXDECODE_ENTRY( "gfx1", 0, charlayout, 0, 2 )
GFXDECODE_END
static PALETTE_INIT( lazercmd )
{
palette_set_color(machine,0,MAKE_RGB(0xb0,0xb0,0xb0)); /* white */
palette_set_color(machine,1,MAKE_RGB(0x00,0x00,0x00)); /* black */
palette_set_color(machine,2,MAKE_RGB(0x00,0x00,0x00)); /* black */
palette_set_color(machine,3,MAKE_RGB(0xb0,0xb0,0xb0)); /* white */
palette_set_color(machine,4,MAKE_RGB(0xff,0xff,0xff)); /* bright white */
}
static MACHINE_DRIVER_START( lazercmd )
/* basic machine hardware */
MDRV_CPU_ADD("maincpu", S2650,MASTER_CLOCK/12) /* 672 kHz? */
/* Main Clock is 8MHz divided by 12
but memory and IO access is only possible
within the line and frame blanking period
thus requiring an extra loading of approx 3-5 */
MDRV_CPU_PROGRAM_MAP(lazercmd_map,0)
MDRV_CPU_IO_MAP(lazercmd_portmap,0)
MDRV_CPU_VBLANK_INT_HACK(lazercmd_timer, 128) /* 7680 Hz */
/* video hardware */
MDRV_SCREEN_ADD("screen", RASTER)
MDRV_SCREEN_REFRESH_RATE(60)
MDRV_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500) /* not accurate */)
MDRV_SCREEN_FORMAT(BITMAP_FORMAT_INDEXED16)
MDRV_SCREEN_SIZE(HORZ_RES * HORZ_CHR, VERT_RES * VERT_CHR)
MDRV_SCREEN_VISIBLE_AREA(0 * HORZ_CHR, HORZ_RES * HORZ_CHR - 1,
0 * VERT_CHR, (VERT_RES - 1) * VERT_CHR - 1)
MDRV_GFXDECODE(lazercmd)
MDRV_PALETTE_LENGTH(5)
MDRV_PALETTE_INIT(lazercmd)
MDRV_VIDEO_UPDATE(lazercmd)
/* sound hardware */
MDRV_SPEAKER_STANDARD_MONO("mono")
MDRV_SOUND_ADD("dac", DAC, 0)
MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.0)
MACHINE_DRIVER_END
static MACHINE_DRIVER_START( medlanes )
/* basic machine hardware */
MDRV_CPU_ADD("maincpu", S2650,MASTER_CLOCK/12) /* 666 kHz */
/* Main Clock is 8MHz divided by 12
but memory and IO access is only possible
within the line and frame blanking period
thus requiring an extra loading of approx 3-5 */
MDRV_CPU_PROGRAM_MAP(medlanes_map,0)
MDRV_CPU_IO_MAP(lazercmd_portmap,0)
MDRV_CPU_VBLANK_INT_HACK(lazercmd_timer, 128) /* 7680 Hz */
/* video hardware */
MDRV_SCREEN_ADD("screen", RASTER)
MDRV_SCREEN_REFRESH_RATE(60)
MDRV_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500) /* not accurate */)
MDRV_SCREEN_FORMAT(BITMAP_FORMAT_INDEXED16)
MDRV_SCREEN_SIZE(HORZ_RES * HORZ_CHR, VERT_RES * VERT_CHR)
MDRV_SCREEN_VISIBLE_AREA(0 * HORZ_CHR, HORZ_RES * HORZ_CHR - 1,
0 * VERT_CHR, VERT_RES * VERT_CHR - 1)
MDRV_GFXDECODE(lazercmd)
MDRV_PALETTE_LENGTH(5)
MDRV_PALETTE_INIT(lazercmd)
MDRV_VIDEO_UPDATE(lazercmd)
/* sound hardware */
MDRV_SPEAKER_STANDARD_MONO("mono")
MDRV_SOUND_ADD("dac", DAC, 0)
MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.0)
MACHINE_DRIVER_END
static MACHINE_DRIVER_START( bbonk )
/* basic machine hardware */
MDRV_CPU_ADD("maincpu", S2650,MASTER_CLOCK/12) /* 666 kHz */
/* Main Clock is 8MHz divided by 12
but memory and IO access is only possible
within the line and frame blanking period
thus requiring an extra loading of approx 3-5 */
MDRV_CPU_PROGRAM_MAP(bbonk_map,0)
MDRV_CPU_IO_MAP(lazercmd_portmap,0)
MDRV_CPU_VBLANK_INT_HACK(bbonk_timer, 128) /* 7680 Hz */
/* video hardware */
MDRV_SCREEN_ADD("screen", RASTER)
MDRV_SCREEN_REFRESH_RATE(60)
MDRV_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500) /* not accurate */)
MDRV_SCREEN_FORMAT(BITMAP_FORMAT_INDEXED16)
MDRV_SCREEN_SIZE(HORZ_RES * HORZ_CHR, VERT_RES * VERT_CHR)
MDRV_SCREEN_VISIBLE_AREA(0 * HORZ_CHR, HORZ_RES * HORZ_CHR - 1,
0 * VERT_CHR, (VERT_RES - 1) * VERT_CHR - 1)
MDRV_GFXDECODE(lazercmd)
MDRV_PALETTE_LENGTH(5)
MDRV_PALETTE_INIT(lazercmd)
MDRV_VIDEO_UPDATE(lazercmd)
/* sound hardware */
MDRV_SPEAKER_STANDARD_MONO("mono")
MDRV_SOUND_ADD("dac", DAC, 0)
MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.0)
MACHINE_DRIVER_END
/***************************************************************************
Game driver(s)
***************************************************************************/
ROM_START( lazercmd )
ROM_REGION( 0x0c00, "maincpu", ROMREGION_INVERT ) /* 32K cpu, 4K for ROM/RAM */
ROM_LOAD_NIB_HIGH( "lc.e5", 0x0000, 0x0400, CRC(56dc7a40) SHA1(1324d5d6a44d7314723a0b5745d89f8e27f49d25) )
ROM_LOAD_NIB_LOW( "lc.f5", 0x0000, 0x0400, CRC(fc5b38a4) SHA1(bff670d7b78c6b9324d2bf4b2d8a4f9dbfe82158) )
ROM_LOAD_NIB_HIGH( "lc.e6", 0x0400, 0x0400, CRC(b1ef0aa2) SHA1(3edeaa4d4f4e18536066898284d430a1ac00512e) )
ROM_LOAD_NIB_LOW( "lc.f6", 0x0400, 0x0400, CRC(26eaee21) SHA1(9c0a4a22abb0b0466378f067ef52a45f86cc4369) )
ROM_LOAD_NIB_HIGH( "lc.e7", 0x0800, 0x0400, CRC(8e6ffc97) SHA1(d5243ce88585db91573b6586d3d47d13b5b473c8) )
ROM_LOAD_NIB_LOW( "lc.f7", 0x0800, 0x0400, CRC(9ec3534d) SHA1(98f15c5828ad2743bf205f71b8e69abd4db78a58) )
ROM_REGION( 0x0c00, "gfx1", ROMREGION_DISPOSE )
ROM_LOAD( "lc.b8", 0x0a00, 0x0200, CRC(6d708edd) SHA1(85a45a292eb7bca288b06a118658bf754f828a92) )
ROM_END
ROM_START( medlanes )
ROM_REGION( 0x1800, "maincpu", ROMREGION_INVERT ) /* 32K cpu, 4K for ROM/RAM */
ROM_LOAD_NIB_HIGH( "medlanes.2a", 0x0000, 0x0400, CRC(9c77566a) SHA1(60e1820012b47da8b86d54f00b6f60d2d0123745) )
ROM_LOAD_NIB_LOW( "medlanes.3a", 0x0000, 0x0400, CRC(22bc56a6) SHA1(7444170c19274d9d889df61796e6f61af2361f3e) )
ROM_LOAD_NIB_HIGH( "medlanes.2b", 0x0400, 0x0400, CRC(7841b1a9) SHA1(80621d30995dad42ae44c62494922ca8b75415cf) )
ROM_LOAD_NIB_LOW( "medlanes.3b", 0x0400, 0x0400, CRC(6616dbef) SHA1(9506177315883b7d87a9bfada712ddeea12fd446) )
ROM_LOAD_NIB_HIGH( "medlanes.2c", 0x0800, 0x0400, CRC(a359b5b8) SHA1(dbc3c286951c50e3465132fc0d6054f06026425d) )
ROM_LOAD_NIB_LOW( "medlanes.3c", 0x0800, 0x0400, CRC(b3db0f3d) SHA1(57c28a54f7a1f17df3a24b61dd0cf37f9f6bc7d8) )
ROM_LOAD_NIB_HIGH( "medlanes.1a", 0x1000, 0x0400, CRC(0d57c596) SHA1(f3ce4802fc777c57f75fe691c93b7062903bdf06) )
ROM_LOAD_NIB_LOW( "medlanes.4a", 0x1000, 0x0400, CRC(30d495e9) SHA1(4f2414bf60ef91093bedf5e9ae16833e9e135aa7) )
ROM_LOAD_NIB_HIGH( "medlanes.1b", 0x1400, 0x0400, CRC(1d451630) SHA1(bf9de3096e98685355c906ab7e1dc2628dce79d6) )
ROM_LOAD_NIB_LOW( "medlanes.4b", 0x1400, 0x0400, CRC(a4abb5db) SHA1(a20da872b0f7d6b16b9551233af4269db9d1b55f) )
ROM_REGION( 0x0c00, "gfx1", ROMREGION_DISPOSE )
ROM_LOAD( "medlanes.8b", 0x0a00, 0x0200, CRC(44e5de8f) SHA1(fc797fa137f0c11a15caf9c0013aac668fd69a3c) )
ROM_END
ROM_START( bbonk )
ROM_REGION( 0x0c00, "maincpu", ROMREGION_INVERT ) /* 32K cpu, 4K for ROM/RAM */
ROM_LOAD_NIB_HIGH( "bbonk.e5", 0x0000, 0x0400, CRC(d032baa0) SHA1(09cba16f6a2b7d8a8c501db639bd5eeefb63dc0f) )
ROM_LOAD_NIB_LOW( "bbonk.f5", 0x0000, 0x0400, CRC(748e8c7f) SHA1(99e4e182ee41c246e31f656411a9f09d7b617f92) )
ROM_LOAD_NIB_HIGH( "bbonk.e6", 0x0400, 0x0400, CRC(71df0e25) SHA1(c2f78490816add1296923861a89df15be9822fed) )
ROM_LOAD_NIB_LOW( "bbonk.f6", 0x0400, 0x0400, CRC(5ce183ed) SHA1(7c78dfa463a37605e8423104426af2f5906fae24) )
ROM_REGION( 0x0c00, "gfx1", ROMREGION_DISPOSE )
ROM_LOAD( "bbonk.b8", 0x0a00, 0x0200, CRC(5ac34260) SHA1(7c2b1e378d2b9fed27117f9adab1381507f5d554) )
ROM_END
static DRIVER_INIT( lazercmd )
{
int i, y;
UINT8 *gfx = memory_region(machine, "gfx1");
/******************************************************************
* To show the maze bit #6 and #7 of the video ram are used.
* Bit #7: add a vertical line to the right of the character
* Bit #6: add a horizontal line below the character
* The video logic generates 10 lines per character row, but the
* character generator only contains 8 rows, so we expand the
* font to 8x10.
******************************************************************/
for (i = 0; i < 0x40; i++)
{
UINT8 *d = &gfx[0 * 64 * 10 + i * VERT_CHR];
UINT8 *s = &gfx[4 * 64 * 10 + i * VERT_FNT];
for (y = 0; y < VERT_CHR; y++)
{
d[0*64*10] = (y < VERT_FNT) ? *s++ : 0xff;
d[1*64*10] = (y == VERT_CHR - 1) ? 0 : *d;
d[2*64*10] = *d & 0xfe;
d[3*64*10] = (y == VERT_CHR - 1) ? 0 : *d & 0xfe;
d++;
}
}
}
static DRIVER_INIT( medlanes )
{
int i, y;
UINT8 *gfx = memory_region(machine, "gfx1");
/******************************************************************
* To show the maze bit #6 and #7 of the video ram are used.
* Bit #7: add a vertical line to the right of the character
* Bit #6: add a horizontal line below the character
* The video logic generates 10 lines per character row, but the
* character generator only contains 8 rows, so we expand the
* font to 8x10.
******************************************************************/
for (i = 0; i < 0x40; i++)
{
UINT8 *d = &gfx[0 * 64 * 10 + i * VERT_CHR];
UINT8 *s = &gfx[4 * 64 * 10 + i * VERT_FNT];
for (y = 0; y < VERT_CHR; y++)
{
d[0*64*10] = (y < VERT_FNT) ? *s++ : 0xff;
d[1*64*10] = (y == VERT_CHR - 1) ? 0 : *d;
d[2*64*10] = *d & 0xfe;
d[3*64*10] = (y == VERT_CHR - 1) ? 0 : *d & 0xfe;
d++;
}
}
}
static DRIVER_INIT( bbonk )
{
int i, y;
UINT8 *gfx = memory_region(machine, "gfx1");
/******************************************************************
* To show the maze bit #6 and #7 of the video ram are used.
* Bit #7: add a vertical line to the right of the character
* Bit #6: add a horizontal line below the character
* The video logic generates 10 lines per character row, but the
* character generator only contains 8 rows, so we expand the
* font to 8x10.
******************************************************************/
for (i = 0; i < 0x40; i++)
{
UINT8 *d = &gfx[0 * 64 * 10 + i * VERT_CHR];
UINT8 *s = &gfx[4 * 64 * 10 + i * VERT_FNT];
for (y = 0; y < VERT_CHR; y++)
{
d[0*64*10] = (y < VERT_FNT) ? *s++ : 0xff;
d[1*64*10] = (y == VERT_CHR - 1) ? 0 : *d;
d[2*64*10] = *d & 0xfe;
d[3*64*10] = (y == VERT_CHR - 1) ? 0 : *d & 0xfe;
d++;
}
}
}
GAMEL( 1976, lazercmd, 0, lazercmd, lazercmd, lazercmd, ROT0, "Meadows Games, Inc.", "Lazer Command", 0, layout_lazercmd )
GAMEL( 1977, medlanes, 0, medlanes, medlanes, medlanes, ROT0, "Meadows Games, Inc.", "Meadows Lanes", GAME_IMPERFECT_SOUND, layout_ho2eff2e )
GAME ( 1976, bbonk, 0, bbonk, bbonk, bbonk, ROT0, "Meadows Games, Inc.", "Bigfoot Bonkers", 0 )