/***************************************************************************
Konami Target Panic (cabinet test PCB)
driver by Phil Bennett
TODO: Determine correct clock frequencies, fix 'stuck' inputs in
test mode
***************************************************************************/
#include "emu.h"
#include "cpu/z80/z80.h"
class tgtpanic_state : public driver_device
{
public:
tgtpanic_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag) { }
UINT8 *m_ram;
UINT8 m_color;
};
/*************************************
*
* Video hardware
*
*************************************/
static SCREEN_UPDATE( tgtpanic )
{
tgtpanic_state *state = screen->machine().driver_data<tgtpanic_state>();
UINT32 colors[4];
UINT32 offs;
UINT32 x, y;
colors[0] = 0;
colors[1] = 0xffffffff;
colors[2] = MAKE_RGB(pal1bit(state->m_color >> 2), pal1bit(state->m_color >> 1), pal1bit(state->m_color >> 0));
colors[3] = MAKE_RGB(pal1bit(state->m_color >> 6), pal1bit(state->m_color >> 5), pal1bit(state->m_color >> 4));
for (offs = 0; offs < 0x2000; ++offs)
{
UINT8 val = state->m_ram[offs];
y = (offs & 0x7f) << 1;
x = (offs >> 7) << 2;
/* I'm guessing the hardware doubles lines */
*BITMAP_ADDR32(bitmap, y + 0, x + 0) = colors[val & 3];
*BITMAP_ADDR32(bitmap, y + 1, x + 0) = colors[val & 3];
val >>= 2;
*BITMAP_ADDR32(bitmap, y + 0, x + 1) = colors[val & 3];
*BITMAP_ADDR32(bitmap, y + 1, x + 1) = colors[val & 3];
val >>= 2;
*BITMAP_ADDR32(bitmap, y + 0, x + 2) = colors[val & 3];
*BITMAP_ADDR32(bitmap, y + 1, x + 2) = colors[val & 3];
val >>= 2;
*BITMAP_ADDR32(bitmap, y + 0, x + 3) = colors[val & 3];
*BITMAP_ADDR32(bitmap, y + 1, x + 3) = colors[val & 3];
}
return 0;
}
static WRITE8_HANDLER( color_w )
{
tgtpanic_state *state = space->machine().driver_data<tgtpanic_state>();
space->machine().primary_screen->update_partial(space->machine().primary_screen->vpos());
state->m_color = data;
}
/*************************************
*
* Address maps
*
*************************************/
static ADDRESS_MAP_START( prg_map, AS_PROGRAM, 8 )
AM_RANGE(0x0000, 0x7fff) AM_ROM
AM_RANGE(0x8000, 0xbfff) AM_RAM AM_BASE_MEMBER(tgtpanic_state, m_ram)
ADDRESS_MAP_END
static ADDRESS_MAP_START( io_map, AS_IO, 8 )
ADDRESS_MAP_GLOBAL_MASK(0xff)
AM_RANGE(0x00, 0x00) AM_READ_PORT("IN0") AM_WRITE(color_w)
AM_RANGE(0x01, 0x01) AM_READ_PORT("IN1")
ADDRESS_MAP_END
/*************************************
*
* Inputs
*
*************************************/
static INPUT_PORTS_START( tgtpanic )
PORT_START("IN0")
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_UP )
PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN )
PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT )
PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT )
PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_UNUSED )
PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_UNUSED )
PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNUSED )
PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNUSED )
PORT_START("IN1")
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_BUTTON1 )
PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_SERVICE )
PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_START1 )
PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_COIN1 )
PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_UNUSED )
PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_UNUSED )
PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNUSED )
PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNUSED )
INPUT_PORTS_END
/*************************************
*
* Machine driver
*
*************************************/
static MACHINE_CONFIG_START( tgtpanic, tgtpanic_state )
/* basic machine hardware */
MCFG_CPU_ADD("maincpu", Z80, XTAL_4MHz)
MCFG_CPU_PROGRAM_MAP(prg_map)
MCFG_CPU_IO_MAP(io_map)
MCFG_CPU_PERIODIC_INT(irq0_line_hold, 20) /* Unverified */
/* video hardware */
MCFG_SCREEN_ADD("screen", RASTER)
MCFG_SCREEN_REFRESH_RATE(60) /* Unverified */
MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500)) /* Unverified */
MCFG_SCREEN_FORMAT(BITMAP_FORMAT_RGB32)
MCFG_SCREEN_SIZE(256, 256)
MCFG_SCREEN_VISIBLE_AREA(0, 192 - 1, 0, 192 - 1)
MCFG_SCREEN_UPDATE(tgtpanic)
MACHINE_CONFIG_END
/*************************************
*
* ROM definition
*
*************************************/
ROM_START( tgtpanic )
ROM_REGION( 0x10000, "maincpu", 0 )
ROM_LOAD( "601_ja_a01.13e", 0x0000, 0x8000, CRC(ece71952) SHA1(0f9cbd8adac2b1950bc608d51f0f122399c8f00f) )
ROM_END
/*************************************
*
* Game driver
*
*************************************/
GAME( 1996, tgtpanic, 0, tgtpanic, tgtpanic, 0, ROT0, "Konami", "Target Panic", GAME_NO_SOUND_HW )