Sprinter/mame
2
0
Fork 0
mirror of https://github.com/holub/mame synced 2025-05-19 20:29:09 +03:00
Code Issues Actions Packages Projects Releases Wiki Activity

(MESS) New working clone:

Browse Source 
-Acorn Atom with BBC basic [Phill Harvey-Smith]
This commit is contained in:
Miodrag Milanovic 2013-04-08 12:48:23 +00:00
parent 3ce84688c4
commit cbb2034565
2 changed files with 59 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

58
src/mess/drivers/atom.c
View File

@ -266,6 +266,20 @@ static ADDRESS_MAP_START( atomeb_mem, AS_PROGRAM, 8, atom_state )
AM_RANGE(0xbfff, 0xbfff) AM_READWRITE(eprom_r, eprom_w)
ADDRESS_MAP_END
/*-------------------------------------------------
ADDRESS_MAP( atombb_mem )
-------------------------------------------------*/
static ADDRESS_MAP_START( atombb_mem, AS_PROGRAM, 8, atom_state )
AM_RANGE(0x0000, 0x3fff) AM_RAM
AM_RANGE(0x4000, 0x57ff) AM_RAM AM_SHARE("video_ram")
AM_RANGE(0x7000, 0x7003) AM_MIRROR(0x3fc) AM_DEVREADWRITE(INS8255_TAG, i8255_device, read, write)
AM_RANGE(0x7800, 0x780f) AM_MIRROR(0x3f0) AM_DEVREADWRITE(R6522_TAG, via6522_device, read, write)
AM_RANGE(0x8000, 0xbfff) AM_ROM AM_REGION(EXTROM_TAG, 0)
AM_RANGE(0xF000, 0xffff) AM_ROM AM_REGION(SY6502_TAG, 0)
ADDRESS_MAP_END
/***************************************************************************
INPUT PORTS
***************************************************************************/
@ -908,6 +922,38 @@ static MACHINE_CONFIG_DERIVED_CLASS( atomeb, atom, atomeb_state )
MCFG_ATOM_CARTSLOT_ADD("e1")
MACHINE_CONFIG_END
/*-------------------------------------------------
MACHINE_DRIVER( atombb )
-------------------------------------------------*/
static MACHINE_CONFIG_START( atombb, atom_state )
/* basic machine hardware */
MCFG_CPU_ADD(SY6502_TAG, M6502, X2/4)
MCFG_CPU_PROGRAM_MAP(atombb_mem)
/* video hardware */
MCFG_SCREEN_MC6847_PAL_ADD(SCREEN_TAG, MC6847_TAG)
MCFG_MC6847_ADD(MC6847_TAG, MC6847_PAL, XTAL_4_433619MHz, vdg_intf)
/* sound hardware */
MCFG_SPEAKER_STANDARD_MONO("mono")
MCFG_SOUND_ADD(SPEAKER_TAG, SPEAKER_SOUND, 0)
MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.00)
/* devices */
MCFG_TIMER_DRIVER_ADD_PERIODIC("hz2400", atom_state, cassette_output_tick, attotime::from_hz(4806))
MCFG_VIA6522_ADD(R6522_TAG, X2/4, via_intf)
MCFG_I8255_ADD(INS8255_TAG, ppi_intf)
MCFG_CENTRONICS_PRINTER_ADD(CENTRONICS_TAG, atom_centronics_config)
MCFG_CASSETTE_ADD(CASSETTE_TAG, atom_cassette_interface)
/* internal ram */
MCFG_RAM_ADD(RAM_TAG)
MCFG_RAM_DEFAULT_SIZE("16K")
MCFG_RAM_EXTRA_OPTIONS("8K,12K")
MACHINE_CONFIG_END
/***************************************************************************
ROMS
***************************************************************************/
@ -942,6 +988,17 @@ ROM_START( atomeb )
ROM_REGION( 0x2000, DOSROM_TAG, ROMREGION_ERASEFF )
ROM_END
/*-------------------------------------------------
ROM( atombb )
-------------------------------------------------*/
ROM_START( atombb )
ROM_REGION( 0x4000, "a000", 0)
ROM_LOAD( "bbcbasic.rom", 0x0000, 0x4000, CRC(79434781) SHA1(4a7393f3a45ea309f744441c16723e2ef447a281) )
ROM_REGION( 0x1000, SY6502_TAG, 0 )
ROM_LOAD( "mos.rom",0x0000, 0x1000, CRC(20158bd8) SHA1(5ee4c0d2b65be72646e17d69b76fb00a0e5298df) )
ROM_END
/***************************************************************************
SYSTEM DRIVERS
***************************************************************************/
@ -949,4 +1006,5 @@ ROM_END
/* YEAR NAME PARENT COMPAT MACHINE INPUT INIT COMPANY FULLNAME */
COMP( 1979, atom, 0, 0, atom, atom, driver_device, 0, "Acorn", "Atom" , 0)
COMP( 1979, atomeb, atom, 0, atomeb, atom, driver_device, 0, "Acorn", "Atom with Eprom Box" , 0)
COMP( 1979, atombb, atom, 0, atombb, atom, driver_device, 0, "Acorn", "Atom with BBC Basic" , 0)
//COMP( 1983, prophet2, atom, 0, atom, atom, driver_device, 0, "Busicomputers", "Prophet 2" , 0)

1
src/mess/mess.lst
View File

@ -346,6 +346,7 @@ d110
acrnsys1 // 1979 Acorn System 1 (Microcomputer Kit)
atom // 1979 Acorn Atom
atomeb // 1979 Acorn Atom
atombb // 1979 Acorn Atom
bbca // 1981 BBC Micro Model A
bbcb // 1981 BBC Micro Model B
bbcbp // 198? BBC Micro Model B+ 64K