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(MESS) unistar : added comments (nw)

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This commit is contained in:
Robbbert 2013-08-26 09:21:36 +00:00
parent 6274f74f16
commit 49370fff18
1 changed files with 25 additions and 11 deletions
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36
src/mess/drivers/unistar.c
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@ -2,7 +2,9 @@
Callan Unistar Terminal
09/12/2009 Skeleton driver.
2009-12-09 Skeleton driver.
Chips used: i8275, AM9513, i8085, i8237, i8255, 2x 2651. XTAL 20MHz
****************************************************************************/
@ -19,20 +21,25 @@ public:
virtual void machine_reset();
virtual void video_start();
void 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, 0x3fff) AM_ROM
AM_RANGE(0x4000, 0xffff) AM_RAM
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 */
@ -42,6 +49,14 @@ INPUT_PORTS_END
void unistar_state::machine_reset()
{
m_p_chargen = memregion("chargen")->base();
}
PALETTE_INIT_MEMBER( unistar_state, unistar )
{
palette_set_color_rgb( machine(), 0, 0, 0, 0 ); /* Black */
palette_set_color_rgb( machine(), 1, 0, 255, 0 ); /* Full */
palette_set_color_rgb( machine(), 2, 0, 128, 0 ); /* Dimmed */
}
void unistar_state::video_start()
@ -77,7 +92,6 @@ static MACHINE_CONFIG_START( unistar, unistar_state )
MCFG_CPU_PROGRAM_MAP(unistar_mem)
MCFG_CPU_IO_MAP(unistar_io)
/* video hardware */
MCFG_SCREEN_ADD("screen", RASTER)
MCFG_SCREEN_REFRESH_RATE(50)
@ -86,22 +100,22 @@ static MACHINE_CONFIG_START( unistar, unistar_state )
MCFG_SCREEN_VISIBLE_AREA(0, 640-1, 0, 480-1)
MCFG_SCREEN_UPDATE_DRIVER(unistar_state, screen_update_unistar)
MCFG_GFXDECODE(unistar)
MCFG_PALETTE_LENGTH(2)
MCFG_PALETTE_INIT_OVERRIDE(driver_device, black_and_white)
MCFG_PALETTE_LENGTH(3)
MCFG_PALETTE_INIT_OVERRIDE(unistar_state, unistar)
MACHINE_CONFIG_END
/* ROM definition */
ROM_START( unistar )
ROM_REGION( 0x10000, "maincpu", ROMREGION_ERASEFF )
ROM_LOAD( "callan_video_pgm1.bin", 0x0000, 0x1000, CRC(613ef521) SHA1(a77459e91617d2882778ab2dada74fcb5f44e949))
ROM_LOAD( "callan_video_pgm2.bin", 0x1000, 0x1000, CRC(6cc5e704) SHA1(fb93645f51d5ad0635cbc8a9174c61f96799313d))
ROM_LOAD( "callan_video_pgm3.bin", 0x2000, 0x1000, CRC(0b9ca5a5) SHA1(20bf4aeacda14ff7a3cf988c7c0bff6ec60406c7))
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( "callan_video_vid.bin", 0x0000, 0x0800, CRC(a9e1b5b2) SHA1(6f5b597ee1417f1108ac5957b005a927acb5314a))
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 Terminal", GAME_NOT_WORKING | GAME_NO_SOUND)
COMP( 198?, unistar, 0, 0, unistar, unistar, driver_device, 0, "Callan Data Systems", "Unistar 200 Terminal", GAME_IS_SKELETON )