// license:BSD-3-Clause // copyright-holders:Miodrag Milanovic /*************************************************************************** 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" #include "machine/am9513.h" #include "machine/i8255.h" #include "screen.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") , m_p_chargen(*this, "chargen") { } DECLARE_PALETTE_INIT(unistar); uint32_t screen_update_unistar(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect); void unistar(machine_config &config); void unistar_io(address_map &map); void unistar_mem(address_map &map); private: virtual void machine_reset() override; required_device m_maincpu; required_region_ptr m_p_chargen; }; ADDRESS_MAP_START(unistar_state::unistar_mem) ADDRESS_MAP_UNMAP_HIGH AM_RANGE(0x0000, 0x2fff) AM_ROM AM_RANGE(0x8000, 0x8fff) AM_RAM ADDRESS_MAP_END ADDRESS_MAP_START(unistar_state::unistar_io) //ADDRESS_MAP_UNMAP_HIGH ADDRESS_MAP_GLOBAL_MASK(0xff) AM_RANGE(0x8c, 0x8d) AM_DEVREADWRITE("stc", am9513_device, read8, write8) AM_RANGE(0x94, 0x97) AM_DEVREADWRITE("ppi", i8255_device, read, write) // 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() { } 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 */ } uint32_t 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 MACHINE_CONFIG_START(unistar_state::unistar) /* basic machine hardware */ MCFG_CPU_ADD("maincpu",I8085A, XTAL(2'000'000)) MCFG_CPU_PROGRAM_MAP(unistar_mem) MCFG_CPU_IO_MAP(unistar_io) MCFG_DEVICE_ADD("stc", AM9513, XTAL(8'000'000)) MCFG_AM9513_FOUT_CALLBACK(DEVWRITELINE("stc", am9513_device, source1_w)) MCFG_DEVICE_ADD("ppi", I8255A, 0) /* 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 STATE INIT COMPANY FULLNAME FLAGS COMP( 198?, unistar, 0, 0, unistar, unistar, unistar_state, 0, "Callan Data Systems", "Unistar 200 Terminal", MACHINE_IS_SKELETON )