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Diffstat (limited to 'src/mame/drivers/unistar.c')
-rw-r--r--src/mame/drivers/unistar.c125
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 )