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/***************************************************************************
DEC DCT11-EM
03/12/2010 Skeleton driver.
****************************************************************************/
#include "emu.h"
#include "cpu/t11/t11.h"
class dct11em_state : public driver_device
{
public:
dct11em_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag) ,
m_maincpu(*this, "maincpu") { }
virtual void machine_reset();
virtual void video_start();
UINT32 screen_update_dct11em(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
required_device<cpu_device> m_maincpu;
};
static ADDRESS_MAP_START( dct11em_mem, AS_PROGRAM, 16, dct11em_state )
ADDRESS_MAP_UNMAP_HIGH
AM_RANGE( 0x0000, 0x0fff ) AM_RAM // RAM
AM_RANGE( 0x2000, 0x2fff ) AM_RAM // Optional RAM
AM_RANGE( 0xa000, 0xdfff ) AM_ROM // RAM
ADDRESS_MAP_END
/* Input ports */
static INPUT_PORTS_START( dct11em )
INPUT_PORTS_END
void dct11em_state::machine_reset()
{
}
void dct11em_state::video_start()
{
}
UINT32 dct11em_state::screen_update_dct11em(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
{
return 0;
}
static MACHINE_CONFIG_START( dct11em, dct11em_state )
/* basic machine hardware */
MCFG_CPU_ADD("maincpu",T11, 7500000) // 7.5MHz XTAL
MCFG_T11_INITIAL_MODE(0x1403) /* according to specs */
MCFG_CPU_PROGRAM_MAP(dct11em_mem)
/* video hardware */
MCFG_SCREEN_ADD("screen", RASTER)
MCFG_SCREEN_REFRESH_RATE(50)
MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500)) /* not accurate */
MCFG_SCREEN_SIZE(640, 480)
MCFG_SCREEN_VISIBLE_AREA(0, 640-1, 0, 480-1)
MCFG_SCREEN_UPDATE_DRIVER(dct11em_state, screen_update_dct11em)
MCFG_PALETTE_ADD_BLACK_AND_WHITE("palette")
MACHINE_CONFIG_END
/* ROM definition */
ROM_START( dct11em )
ROM_REGION( 0x10000, "maincpu", ROMREGION_ERASEFF )
// Highest address line inverted
ROM_LOAD16_BYTE( "23-213e4.bin", 0x8000, 0x2000, CRC(bdd82f39) SHA1(347deeff77596b67eee27a39a9c40075fcf5c10d))
ROM_LOAD16_BYTE( "23-214e4.bin", 0x8001, 0x2000, CRC(b523dae8) SHA1(cd1a64a2bce9730f7a9177d391663919c7f56073))
ROM_COPY("maincpu", 0x8000, 0xc000, 0x2000)
ROM_END
/* Driver */
/* YEAR NAME PARENT COMPAT MACHINE INPUT INIT COMPANY FULLNAME FLAGS */
COMP( 1983, dct11em, 0, 0, dct11em, dct11em, driver_device, 0, "Digital Equipment Corporation", "DCT11-EM", GAME_NOT_WORKING | GAME_NO_SOUND)
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