/*************************************************************************** Callan Unistar Terminal 2009-12-09 Skeleton driver. Chips used: i8275, AM9513, i8085, i8237, i8255, 2x 2651. XTAL 20MHz ****************************************************************************/ #include "emu.h" #include "cpu/i8085/i8085.h" class unistar_state : public driver_device { public: unistar_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(); DECLARE_PALETTE_INIT(unistar); UINT32 screen_update_unistar(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect); const UINT8 *m_p_chargen; private: required_device m_maincpu; }; static ADDRESS_MAP_START(unistar_mem, AS_PROGRAM, 8, unistar_state) ADDRESS_MAP_UNMAP_HIGH AM_RANGE(0x0000, 0x2fff) AM_ROM AM_RANGE(0x8000, 0x8fff) AM_RAM ADDRESS_MAP_END static ADDRESS_MAP_START(unistar_io, AS_IO, 8, unistar_state) //ADDRESS_MAP_UNMAP_HIGH ADDRESS_MAP_GLOBAL_MASK(0xff) // ports used: 00,02,03(W),08(RW),09,0A,0B,0D,0F(W),80,81(R),82,83(W),84(R),8C,8D(W),94(R),97,98(W),99(RW) // if nonzero returned from port 94, it goes into test mode. ADDRESS_MAP_END /* Input ports */ static INPUT_PORTS_START( unistar ) INPUT_PORTS_END void unistar_state::machine_reset() { m_p_chargen = memregion("chargen")->base(); } PALETTE_INIT_MEMBER( unistar_state, unistar ) { palette.set_pen_color(0, 0, 0, 0 ); /* Black */ palette.set_pen_color(1, 0, 255, 0 ); /* Full */ palette.set_pen_color(2, 0, 128, 0 ); /* Dimmed */ } void unistar_state::video_start() { } UINT32 unistar_state::screen_update_unistar(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect) { return 0; } /* F4 Character Displayer */ static const gfx_layout unistar_charlayout = { 8, 16, /* 8 x 16 characters */ 128, /* 128 characters */ 1, /* 1 bits per pixel */ { 0 }, /* no bitplanes */ /* x offsets */ { 0, 1, 2, 3, 4, 5, 6, 7 }, /* y offsets */ { 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 }, 8*16 /* every char takes 16 bytes */ }; static GFXDECODE_START( unistar ) GFXDECODE_ENTRY( "chargen", 0x0000, unistar_charlayout, 0, 1 ) GFXDECODE_END static MACHINE_CONFIG_START( unistar, unistar_state ) /* basic machine hardware */ MCFG_CPU_ADD("maincpu",I8085A, XTAL_2MHz) MCFG_CPU_PROGRAM_MAP(unistar_mem) MCFG_CPU_IO_MAP(unistar_io) /* 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(unistar_state, screen_update_unistar) MCFG_SCREEN_PALETTE("palette") MCFG_GFXDECODE_ADD("gfxdecode", "palette", unistar) MCFG_PALETTE_ADD("palette", 3) MCFG_PALETTE_INIT_OWNER(unistar_state, unistar) MACHINE_CONFIG_END /* ROM definition */ ROM_START( unistar ) ROM_REGION( 0x10000, "maincpu", ROMREGION_ERASEFF ) ROM_LOAD( "280010c.u48", 0x0000, 0x1000, CRC(613ef521) SHA1(a77459e91617d2882778ab2dada74fcb5f44e949)) ROM_LOAD( "280011c.u49", 0x1000, 0x1000, CRC(6cc5e704) SHA1(fb93645f51d5ad0635cbc8a9174c61f96799313d)) ROM_LOAD( "280012c.u50", 0x2000, 0x1000, CRC(0b9ca5a5) SHA1(20bf4aeacda14ff7a3cf988c7c0bff6ec60406c7)) ROM_REGION( 0x0800, "chargen", ROMREGION_ERASEFF ) ROM_LOAD( "280014a.u1", 0x0000, 0x0800, CRC(a9e1b5b2) SHA1(6f5b597ee1417f1108ac5957b005a927acb5314a)) ROM_END /* Driver */ /* YEAR NAME PARENT COMPAT MACHINE INPUT INIT COMPANY FULLNAME FLAGS */ COMP( 198?, unistar, 0, 0, unistar, unistar, driver_device, 0, "Callan Data Systems", "Unistar 200 Terminal", GAME_IS_SKELETON )