diff options
Diffstat (limited to 'src/mame/drivers/unistar.c')
-rw-r--r-- | src/mame/drivers/unistar.c | 125 |
1 files changed, 125 insertions, 0 deletions
diff --git a/src/mame/drivers/unistar.c b/src/mame/drivers/unistar.c new file mode 100644 index 00000000000..6fe5817fe7c --- /dev/null +++ b/src/mame/drivers/unistar.c @@ -0,0 +1,125 @@ +// 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" + + +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<cpu_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", MACHINE_IS_SKELETON ) |