/***************************************************************************
Atari Boxer (prototype) driver
AKA Boxing, both game titles appear in the schematics
This game had some weird controls that don't work well in MAME.
***************************************************************************/
#include "emu.h"
#include "cpu/m6502/m6502.h"
#define MASTER_CLOCK XTAL_12_096MHz
/*************************************
*
* Driver data
*
*************************************/
class boxer_state : public driver_device
{
public:
boxer_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag) { }
/* memory pointers */
UINT8 * m_tile_ram;
UINT8 * m_sprite_ram;
/* misc */
UINT8 m_pot_state;
UINT8 m_pot_latch;
/* devices */
device_t *m_maincpu;
};
/*************************************
*
* Interrupts / Timers
*
*************************************/
static TIMER_CALLBACK( pot_interrupt )
{
boxer_state *state = machine.driver_data<boxer_state>();
int mask = param;
if (state->m_pot_latch & mask)
device_set_input_line(state->m_maincpu, INPUT_LINE_NMI, ASSERT_LINE);
state->m_pot_state |= mask;
}
static TIMER_CALLBACK( periodic_callback )
{
boxer_state *state = machine.driver_data<boxer_state>();
int scanline = param;
device_set_input_line(state->m_maincpu, 0, ASSERT_LINE);
if (scanline == 0)
{
UINT8 mask[256];
int i;
memset(mask, 0, sizeof mask);
mask[input_port_read(machine, "STICK0_X")] |= 0x01;
mask[input_port_read(machine, "STICK0_Y")] |= 0x02;
mask[input_port_read(machine, "PADDLE0")] |= 0x04;
mask[input_port_read(machine, "STICK1_X")] |= 0x08;
mask[input_port_read(machine, "STICK1_Y")] |= 0x10;
mask[input_port_read(machine, "PADDLE1")] |= 0x20;
for (i = 1; i < 256; i++)
if (mask[i] != 0)
machine.scheduler().timer_set(machine.primary_screen->time_until_pos(i), FUNC(pot_interrupt), mask[i]);
state->m_pot_state = 0;
}
scanline += 64;
if (scanline >= 262)
scanline = 0;
machine.scheduler().timer_set(machine.primary_screen->time_until_pos(scanline), FUNC(periodic_callback), scanline);
}
/*************************************
*
* Video system
*
*************************************/
static PALETTE_INIT( boxer )
{
palette_set_color(machine,0, MAKE_RGB(0x00,0x00,0x00));
palette_set_color(machine,1, MAKE_RGB(0xff,0xff,0xff));
palette_set_color(machine,2, MAKE_RGB(0xff,0xff,0xff));
palette_set_color(machine,3, MAKE_RGB(0x00,0x00,0x00));
}
static void draw_boxer( running_machine &machine, bitmap_t* bitmap, const rectangle* cliprect )
{
boxer_state *state = machine.driver_data<boxer_state>();
int n;
for (n = 0; n < 2; n++)
{
const UINT8* p = machine.region(n == 0 ? "user1" : "user2")->base();
int i, j;
int x = 196 - state->m_sprite_ram[0 + 2 * n];
int y = 192 - state->m_sprite_ram[1 + 2 * n];
int l = state->m_sprite_ram[4 + 2 * n] & 15;
int r = state->m_sprite_ram[5 + 2 * n] & 15;
for (i = 0; i < 8; i++)
{
for (j = 0; j < 4; j++)
{
UINT8 code;
code = p[32 * l + 4 * i + j];
drawgfx_transpen(bitmap, cliprect,
machine.gfx[n],
code,
0,
code & 0x80, 0,
x + 8 * j,
y + 8 * i, 1);
code = p[32 * r + 4 * i - j + 3];
drawgfx_transpen(bitmap, cliprect,
machine.gfx[n],
code,
0,
!(code & 0x80), 0,
x + 8 * j + 32,
y + 8 * i, 1);
}
}
}
}
static SCREEN_UPDATE( boxer )
{
boxer_state *state = screen->machine().driver_data<boxer_state>();
int i, j;
bitmap_fill(bitmap, cliprect, 1);
for (i = 0; i < 16; i++)
{
for (j = 0; j < 32; j++)
{
UINT8 code = state->m_tile_ram[32 * i + j];
drawgfx_transpen(bitmap, cliprect,
screen->machine().gfx[2],
code,
0,
code & 0x40, code & 0x40,
8 * j + 4,
8 * (i % 2) + 32 * (i / 2), 0);
}
}
draw_boxer(screen->machine(), bitmap, cliprect);
return 0;
}
/*************************************
*
* Memory handlers
*
*************************************/
static READ8_HANDLER( boxer_input_r )
{
UINT8 val = input_port_read(space->machine(), "IN0");
if (input_port_read(space->machine(), "IN3") < space->machine().primary_screen->vpos())
val |= 0x02;
return (val << ((offset & 7) ^ 7)) & 0x80;
}
static READ8_HANDLER( boxer_misc_r )
{
boxer_state *state = space->machine().driver_data<boxer_state>();
UINT8 val = 0;
switch (offset & 3)
{
case 0:
val = state->m_pot_state & state->m_pot_latch;
break;
case 1:
val = space->machine().primary_screen->vpos();
break;
case 2:
val = input_port_read(space->machine(), "IN1");
break;
case 3:
val = input_port_read(space->machine(), "IN2");
break;
}
return val ^ 0x3f;
}
static WRITE8_HANDLER( boxer_bell_w )
{
}
static WRITE8_HANDLER( boxer_sound_w )
{
}
static WRITE8_HANDLER( boxer_pot_w )
{
boxer_state *state = space->machine().driver_data<boxer_state>();
/* BIT0 => HPOT1 */
/* BIT1 => VPOT1 */
/* BIT2 => RPOT1 */
/* BIT3 => HPOT2 */
/* BIT4 => VPOT2 */
/* BIT5 => RPOT2 */
state->m_pot_latch = data & 0x3f;
device_set_input_line(state->m_maincpu, INPUT_LINE_NMI, CLEAR_LINE);
}
static WRITE8_HANDLER( boxer_irq_reset_w )
{
boxer_state *state = space->machine().driver_data<boxer_state>();
device_set_input_line(state->m_maincpu, 0, CLEAR_LINE);
}
static WRITE8_HANDLER( boxer_crowd_w )
{
/* BIT0 => ATTRACT */
/* BIT1 => CROWD-1 */
/* BIT2 => CROWD-2 */
/* BIT3 => CROWD-3 */
coin_lockout_global_w(space->machine(), data & 1);
}
static WRITE8_HANDLER( boxer_led_w )
{
set_led_status(space->machine(), 1, !(data & 1));
set_led_status(space->machine(), 0, !(data & 2));
}
/*************************************
*
* Address maps
*
*************************************/
static ADDRESS_MAP_START( boxer_map, AS_PROGRAM, 8 )
ADDRESS_MAP_GLOBAL_MASK(0x3fff)
AM_RANGE(0x0000, 0x01ff) AM_RAM
AM_RANGE(0x0200, 0x03ff) AM_RAM AM_BASE_MEMBER(boxer_state, m_tile_ram)
AM_RANGE(0x0800, 0x08ff) AM_READ(boxer_input_r)
AM_RANGE(0x1000, 0x17ff) AM_READ(boxer_misc_r)
AM_RANGE(0x1800, 0x1800) AM_WRITE(boxer_pot_w)
AM_RANGE(0x1900, 0x19ff) AM_WRITE(boxer_led_w)
AM_RANGE(0x1a00, 0x1aff) AM_WRITE(boxer_sound_w)
AM_RANGE(0x1b00, 0x1bff) AM_WRITE(boxer_crowd_w)
AM_RANGE(0x1c00, 0x1cff) AM_WRITE(boxer_irq_reset_w)
AM_RANGE(0x1d00, 0x1dff) AM_WRITE(boxer_bell_w)
AM_RANGE(0x1e00, 0x1eff) AM_WRITEONLY AM_BASE_MEMBER(boxer_state, m_sprite_ram)
AM_RANGE(0x1f00, 0x1fff) AM_WRITE(watchdog_reset_w)
AM_RANGE(0x3000, 0x3fff) AM_ROM
ADDRESS_MAP_END
/*************************************
*
* Input ports
*
*************************************/
static INPUT_PORTS_START( boxer )
PORT_START("IN0")
PORT_BIT ( 0x01, IP_ACTIVE_HIGH, IPT_UNUSED )
PORT_BIT ( 0x02, IP_ACTIVE_HIGH, IPT_UNUSED ) /* TIMER */
PORT_BIT ( 0x04, IP_ACTIVE_LOW, IPT_TILT )
PORT_SERVICE( 0x08, IP_ACTIVE_HIGH )
PORT_BIT ( 0x10, IP_ACTIVE_HIGH, IPT_START1 )
PORT_BIT ( 0x20, IP_ACTIVE_HIGH, IPT_START2 )
PORT_BIT ( 0x40, IP_ACTIVE_LOW, IPT_COIN1 )
PORT_BIT ( 0x80, IP_ACTIVE_LOW, IPT_COIN2 )
PORT_START("IN1")
PORT_DIPNAME( 0x03, 0x01, "Number of Rounds" )
PORT_DIPSETTING( 0x03, "1" )
PORT_DIPSETTING( 0x02, "2" )
PORT_DIPSETTING( 0x01, "3" )
PORT_DIPSETTING( 0x00, "4" )
PORT_START("IN2")
PORT_DIPNAME( 0x03, 0x01, DEF_STR( Coinage ) )
PORT_DIPSETTING( 0x00, DEF_STR( 2C_1C ) )
PORT_DIPSETTING( 0x01, DEF_STR( 1C_1C ) )
PORT_DIPSETTING( 0x02, DEF_STR( 1C_2C ) )
PORT_DIPSETTING( 0x03, DEF_STR( Free_Play ) )
PORT_START("STICK0_X")
PORT_BIT ( 0xff, 0x80, IPT_AD_STICK_X ) PORT_MINMAX(0x20,0xe0) PORT_SENSITIVITY(30) PORT_KEYDELTA(16) PORT_REVERSE PORT_PLAYER(1)
PORT_START("STICK0_Y")
PORT_BIT ( 0xff, 0x80, IPT_AD_STICK_Y ) PORT_MINMAX(0x20,0xe0) PORT_SENSITIVITY(30) PORT_KEYDELTA(16) PORT_REVERSE PORT_PLAYER(1)
PORT_START("PADDLE0")
PORT_BIT( 0xff, 0x80, IPT_PADDLE ) PORT_MINMAX(0x20,0xe0) PORT_SENSITIVITY(30) PORT_KEYDELTA(16) PORT_CODE_DEC(KEYCODE_Z) PORT_CODE_INC(KEYCODE_X) PORT_CENTERDELTA(0) PORT_PLAYER(1)
PORT_START("STICK1_X")
PORT_BIT ( 0xff, 0x80, IPT_AD_STICK_X ) PORT_MINMAX(0x20,0xe0) PORT_SENSITIVITY(30) PORT_KEYDELTA(16) PORT_REVERSE PORT_PLAYER(2)
PORT_START("STICK1_Y")
PORT_BIT ( 0xff, 0x80, IPT_AD_STICK_Y ) PORT_MINMAX(0x20,0xe0) PORT_SENSITIVITY(30) PORT_KEYDELTA(16) PORT_REVERSE PORT_PLAYER(2)
PORT_START("PADDLE1")
PORT_BIT( 0xff, 0x80, IPT_PADDLE ) PORT_MINMAX(0x20,0xe0) PORT_SENSITIVITY(30) PORT_KEYDELTA(16) PORT_CODE_DEC(KEYCODE_Q) PORT_CODE_INC(KEYCODE_W) PORT_CENTERDELTA(0) PORT_PLAYER(2)
PORT_START("IN3")
PORT_DIPNAME( 0xff, 0x5c, "Round Time" ) /* actually a potentiometer */
PORT_DIPSETTING( 0x3c, "15 seconds" )
PORT_DIPSETTING( 0x5c, "30 seconds" )
PORT_DIPSETTING( 0x7c, "45 seconds" )
INPUT_PORTS_END
/*************************************
*
* Graphics definitions
*
*************************************/
static const gfx_layout tile_layout =
{
8, 8,
64,
1,
{ 0 },
{
0x7, 0x6, 0x5, 0x4, 0xf, 0xe, 0xd, 0xc
},
{
0x00, 0x10, 0x20, 0x30, 0x40, 0x50, 0x60, 0x70
},
0x80
};
static const gfx_layout sprite_layout =
{
8, 8,
64,
1,
{ 0 },
{
0x4, 0x5, 0x6, 0x7, 0xc, 0xd, 0xe, 0xf
},
{
0x00, 0x10, 0x20, 0x30, 0x40, 0x50, 0x60, 0x70
},
0x80
};
static GFXDECODE_START( boxer )
GFXDECODE_ENTRY( "gfx1", 0, sprite_layout, 0, 1 )
GFXDECODE_ENTRY( "gfx2", 0, sprite_layout, 0, 1 )
GFXDECODE_ENTRY( "gfx3", 0, tile_layout, 2, 1 )
GFXDECODE_END
/*************************************
*
* Machine driver
*
*************************************/
static MACHINE_START( boxer )
{
boxer_state *state = machine.driver_data<boxer_state>();
state->m_maincpu = machine.device("maincpu");
state->save_item(NAME(state->m_pot_state));
state->save_item(NAME(state->m_pot_latch));
}
static MACHINE_RESET( boxer )
{
boxer_state *state = machine.driver_data<boxer_state>();
machine.scheduler().timer_set(machine.primary_screen->time_until_pos(0), FUNC(periodic_callback));
state->m_pot_state = 0;
state->m_pot_latch = 0;
}
static MACHINE_CONFIG_START( boxer, boxer_state )
/* basic machine hardware */
MCFG_CPU_ADD("maincpu", M6502, MASTER_CLOCK / 16)
MCFG_CPU_PROGRAM_MAP(boxer_map)
MCFG_MACHINE_START(boxer)
MCFG_MACHINE_RESET(boxer)
/* video hardware */
MCFG_SCREEN_ADD("screen", RASTER)
MCFG_SCREEN_REFRESH_RATE(60)
MCFG_SCREEN_FORMAT(BITMAP_FORMAT_INDEXED16)
MCFG_SCREEN_SIZE(256, 262)
MCFG_SCREEN_VISIBLE_AREA(8, 247, 0, 239)
MCFG_SCREEN_UPDATE(boxer)
MCFG_GFXDECODE(boxer)
MCFG_PALETTE_LENGTH(4)
MCFG_PALETTE_INIT(boxer)
/* sound hardware */
MACHINE_CONFIG_END
/*************************************
*
* ROM definition
*
*************************************/
ROM_START( boxer )
ROM_REGION( 0x4000, "maincpu", 0 )
ROM_LOAD_NIB_LOW ( "3400l.e1", 0x3400, 0x0400, CRC(df85afa4) SHA1(5a74a08f1e0b0bbec02999d5e46513d8afd333ac) )
ROM_LOAD_NIB_HIGH( "3400m.a1", 0x3400, 0x0400, CRC(23fe06aa) SHA1(03a4eedbf60f07d1dd8d7af576828df5f032146e) )
ROM_LOAD_NIB_LOW ( "3800l.j1", 0x3800, 0x0400, CRC(087263fb) SHA1(cc3715a68bd05f23b4abf9f18ca14a8fe55163f7) )
ROM_LOAD_NIB_HIGH( "3800m.d1", 0x3800, 0x0400, CRC(3bbf605e) SHA1(be4ff1702eb837710421a7dafcdc60fe2d3259e8) )
ROM_LOAD_NIB_LOW ( "3c00l.h1", 0x3C00, 0x0400, CRC(09e204f2) SHA1(565d4c8865da7d96a45e909973d570101de61f63) )
ROM_LOAD_NIB_HIGH( "3c00m.c1", 0x3C00, 0x0400, CRC(2f8ebc85) SHA1(05a4e29ec7e49173200d5fe5344274fd6afd16d7) )
ROM_REGION( 0x0400, "gfx1", 0 ) /* lower boxer */
ROM_LOAD( "bx137l.c8", 0x0000, 0x0400, CRC(e91f2048) SHA1(64039d07557e210aa4f6663cd7e72814cb881310) )
ROM_REGION( 0x0400, "gfx2", 0 ) /* upper boxer */
ROM_LOAD( "bx137u.m8", 0x0000, 0x0400, CRC(e4fee386) SHA1(79b70aca4a92c56363689a363b643d46294d3e88) )
ROM_REGION( 0x0400, "gfx3", 0 ) /* tiles */
ROM_LOAD( "9417.k2", 0x0000, 0x0400, CRC(7e3d22cf) SHA1(92e6bbe049dc8fcd674f2ff96cde3786f714508d) )
ROM_REGION( 0x0200, "user1", 0 ) /* lower boxer map */
ROM_LOAD( "bx115l.b7", 0x0000, 0x0200, CRC(31f2234f) SHA1(d53f3a1d0db3cf3024de61ef64f76c6dfdf6861c) )
ROM_REGION( 0x0200, "user2", 0 ) /* upper boxer map */
ROM_LOAD( "bx115u.l7", 0x0000, 0x0200, CRC(124d3f24) SHA1(09fab2ae218b8584c0e3c8e02f5680ce083a33d6) )
ROM_REGION( 0x0100, "proms", 0 ) /* sync prom */
ROM_LOAD( "9402.m3", 0x0000, 0x0100, CRC(00e224a0) SHA1(1a384ef488791c62566c91b18d6a1fb4a5def2ba) )
ROM_END
/*************************************
*
* Game driver
*
*************************************/
GAME( 1978, boxer, 0, boxer, boxer, 0, 0, "Atari", "Boxer (prototype)", GAME_NO_SOUND )