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mame/src/mess/drivers/b2m.c
Fabio Priuli e098aab416 Modernized the PIT8253 device. [Fabio Priuli]
2013-06-03 11:39:54 +00:00

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13 KiB
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/***************************************************************************
Bashkiria-2M driver by Miodrag Milanovic
28/03/2008 Preliminary driver.
****************************************************************************/
#include "emu.h"
#include "cpu/i8085/i8085.h"
#include "imagedev/cassette.h"
#include "machine/i8255.h"
#include "machine/pic8259.h"
#include "machine/i8251.h"
#include "machine/wd_fdc.h"
#include "machine/ram.h"
#include "includes/b2m.h"
#include "formats/smx_dsk.h"
/* Address maps */
static ADDRESS_MAP_START(b2m_mem, AS_PROGRAM, 8, b2m_state )
AM_RANGE (0x0000, 0x27ff) AM_RAMBANK("bank1")
AM_RANGE (0x2800, 0x2fff) AM_RAMBANK("bank2")
AM_RANGE (0x3000, 0x6fff) AM_RAMBANK("bank3")
AM_RANGE (0x7000, 0xdfff) AM_RAMBANK("bank4")
AM_RANGE (0xe000, 0xffff) AM_RAMBANK("bank5")
ADDRESS_MAP_END
static ADDRESS_MAP_START( b2m_io, AS_IO, 8, b2m_state )
ADDRESS_MAP_GLOBAL_MASK(0x1f)
AM_RANGE(0x00, 0x03) AM_DEVREADWRITE("pit8253", pit8253_device, read, write)
AM_RANGE(0x04, 0x07) AM_DEVREADWRITE("ppi8255_2", i8255_device, read, write)
AM_RANGE(0x08, 0x0b) AM_DEVREADWRITE("ppi8255_1", i8255_device, read, write)
AM_RANGE(0x0c, 0x0c) AM_READWRITE(b2m_localmachine_r,b2m_localmachine_w)
AM_RANGE(0x10, 0x13) AM_READWRITE(b2m_palette_r,b2m_palette_w)
AM_RANGE(0x14, 0x15) AM_DEVREADWRITE("pic8259", pic8259_device, read, write )
AM_RANGE(0x18, 0x18) AM_DEVREADWRITE("uart", i8251_device, data_r, data_w)
AM_RANGE(0x19, 0x19) AM_DEVREADWRITE("uart", i8251_device, status_r, control_w)
AM_RANGE(0x1c, 0x1f) AM_DEVREADWRITE("fd1793", fd1793_t, read, write)
ADDRESS_MAP_END
static ADDRESS_MAP_START( b2m_rom_io, AS_IO, 8, b2m_state )
ADDRESS_MAP_GLOBAL_MASK(0x1f)
AM_RANGE(0x00, 0x03) AM_DEVREADWRITE("pit8253", pit8253_device, read, write)
AM_RANGE(0x04, 0x07) AM_DEVREADWRITE("ppi8255_3", i8255_device, read, write)
AM_RANGE(0x08, 0x0b) AM_DEVREADWRITE("ppi8255_1", i8255_device, read, write)
AM_RANGE(0x0c, 0x0c) AM_READWRITE(b2m_localmachine_r,b2m_localmachine_w)
AM_RANGE(0x10, 0x13) AM_READWRITE(b2m_palette_r,b2m_palette_w)
AM_RANGE(0x14, 0x15) AM_DEVREADWRITE("pic8259", pic8259_device, read, write )
AM_RANGE(0x18, 0x18) AM_DEVREADWRITE("uart", i8251_device, data_r, data_w)
AM_RANGE(0x19, 0x19) AM_DEVREADWRITE("uart", i8251_device, status_r, control_w)
ADDRESS_MAP_END
/* Input ports */
static INPUT_PORTS_START( b2m )
PORT_START("LINE0")
PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_U) PORT_CHAR('U') PORT_CHAR('u')
PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_A) PORT_CHAR('A') PORT_CHAR('a')
PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_T) PORT_CHAR('T') PORT_CHAR('t')
PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_L) PORT_CHAR('L') PORT_CHAR('l')
PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_W) PORT_CHAR('W') PORT_CHAR('w')
PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_F6) PORT_CHAR(UCHAR_MAMEKEY(F6))
PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_F) PORT_CHAR('F') PORT_CHAR('f')
PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_F7) PORT_CHAR(UCHAR_MAMEKEY(F7))
PORT_START("LINE1")
PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_J) PORT_CHAR('J') PORT_CHAR('j')
PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_Y) PORT_CHAR('Y') PORT_CHAR('y')
PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_V) PORT_CHAR('V') PORT_CHAR('v')
PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_K) PORT_CHAR('K') PORT_CHAR('k')
PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_R) PORT_CHAR('R') PORT_CHAR('r')
PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_Q) PORT_CHAR('Q') PORT_CHAR('q')
PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_B) PORT_CHAR('B') PORT_CHAR('b')
PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_OPENBRACE) PORT_CHAR('{')
PORT_START("LINE2")
PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_D) PORT_CHAR('D') PORT_CHAR('d')
PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_F8) PORT_CHAR(UCHAR_MAMEKEY(F8))
PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_E) PORT_CHAR('E') PORT_CHAR('e')
PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_N) PORT_CHAR('N') PORT_CHAR('n')
PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_C) PORT_CHAR('C') PORT_CHAR('c')
PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_H) PORT_CHAR('H') PORT_CHAR('h')
PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_Z) PORT_CHAR('Z') PORT_CHAR('z')
PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_G) PORT_CHAR('G') PORT_CHAR('g')
PORT_START("LINE3")
PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_CLOSEBRACE) PORT_CHAR('}')
PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_X) PORT_CHAR('X') PORT_CHAR('x')
PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_O) PORT_CHAR('O') PORT_CHAR('o')
PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_F9) PORT_CHAR(UCHAR_MAMEKEY(F9))
PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_I) PORT_CHAR('I') PORT_CHAR('i')
PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_P) PORT_CHAR('P') PORT_CHAR('p')
PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_S) PORT_CHAR('S') PORT_CHAR('s')
PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_M) PORT_CHAR('M') PORT_CHAR('m')
PORT_START("LINE4")
PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_8) PORT_CHAR('*') PORT_CHAR('8')
PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_7) PORT_CHAR('&') PORT_CHAR('7')
PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_6) PORT_CHAR('^') PORT_CHAR('6')
PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_5) PORT_CHAR('%') PORT_CHAR('5')
PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_4) PORT_CHAR('$') PORT_CHAR('4')
PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_3) PORT_CHAR('#') PORT_CHAR('3')
PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_2) PORT_CHAR('@') PORT_CHAR('2')
PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_MINUS) PORT_CHAR('_') PORT_CHAR('-')
PORT_START("LINE5")
PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_COMMA) PORT_CHAR('<') PORT_CHAR(',')
PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_COLON) PORT_CHAR('\'') PORT_CHAR(';')
PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_EQUALS) PORT_CHAR('+') PORT_CHAR('=')
PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("`") PORT_CODE(KEYCODE_TILDE)
PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_1) PORT_CHAR('!') PORT_CHAR('1')
PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_SLASH) PORT_CHAR('|') PORT_CHAR('\\')
PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_0) PORT_CHAR(')') PORT_CHAR('0')
PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_9) PORT_CHAR('(') PORT_CHAR('9')
PORT_START("LINE6")
PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Space") PORT_CODE(KEYCODE_SPACE) PORT_CHAR(' ')
PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_TAB) PORT_CHAR('\t')
PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Backspace") PORT_CODE(KEYCODE_BACKSPACE) PORT_CHAR(8)
PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("/") PORT_CODE(KEYCODE_TILDE)
PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("*") PORT_CODE(KEYCODE_TILDE)
PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_F12) PORT_CHAR(UCHAR_MAMEKEY(F12))
PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("-") PORT_CODE(KEYCODE_TILDE)
PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_ENTER) PORT_CHAR(13)
PORT_START("LINE7")
PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Rshift") PORT_CODE(KEYCODE_RSHIFT)
PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("LAlt") PORT_CODE(KEYCODE_LALT)
PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("LCtrl") PORT_CODE(KEYCODE_LCONTROL) PORT_CODE(KEYCODE_RCONTROL)
PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_ESC) PORT_CHAR(UCHAR_MAMEKEY(ESC))
PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("???") PORT_CODE(KEYCODE_TILDE)
PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_F11) PORT_CHAR(UCHAR_MAMEKEY(F11))
PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("LShift") PORT_CODE(KEYCODE_LSHIFT) PORT_CHAR(UCHAR_SHIFT_1)
PORT_START("LINE8")
PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_HOME) PORT_CHAR(UCHAR_MAMEKEY(HOME))
PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_RIGHT) PORT_CHAR(UCHAR_MAMEKEY(RIGHT))
PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("??") PORT_CODE(KEYCODE_TILDE)
PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_LEFT) PORT_CHAR(UCHAR_MAMEKEY(LEFT))
PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("PgdN") PORT_CODE(KEYCODE_PGDN)
PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_DOWN) PORT_CHAR(UCHAR_MAMEKEY(DOWN))
PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("end") PORT_CODE(KEYCODE_END) PORT_CHAR(UCHAR_MAMEKEY(END))
PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("ins") PORT_CODE(KEYCODE_INSERT) PORT_CHAR(UCHAR_MAMEKEY(INSERT))
PORT_START("LINE9")
PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_BACKSLASH) PORT_CHAR('?') PORT_CHAR('/')
PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Del") PORT_CODE(KEYCODE_DEL)
PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_QUOTE) PORT_CHAR('\"') PORT_CHAR(':')
PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_STOP) PORT_CHAR('>') PORT_CHAR('.')
PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_UNUSED)
PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_UNUSED)
PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("PgUp") PORT_CODE(KEYCODE_PGUP)
PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_UP) PORT_CHAR(UCHAR_MAMEKEY(UP))
PORT_START("LINE10")
PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_UNUSED)
PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_UNUSED)
PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_UNUSED)
PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_F5) PORT_CHAR(UCHAR_MAMEKEY(F5))
PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_F4) PORT_CHAR(UCHAR_MAMEKEY(F4))
PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_F3) PORT_CHAR(UCHAR_MAMEKEY(F3))
PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_F2) PORT_CHAR(UCHAR_MAMEKEY(F2))
PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_F1) PORT_CHAR(UCHAR_MAMEKEY(F1))
PORT_START("MONITOR")
PORT_CONFNAME(0x01, 0x01, "Monitor")
PORT_CONFSETTING( 0x01, "Color")
PORT_CONFSETTING( 0x00, "B/W")
INPUT_PORTS_END
FLOPPY_FORMATS_MEMBER( b2m_state::b2m_floppy_formats )
FLOPPY_SMX_FORMAT
FLOPPY_FORMATS_END
static SLOT_INTERFACE_START( b2m_floppies )
SLOT_INTERFACE( "525qd", FLOPPY_525_QD )
SLOT_INTERFACE_END
/* Machine driver */
static MACHINE_CONFIG_START( b2m, b2m_state )
/* basic machine hardware */
MCFG_CPU_ADD("maincpu", I8080, 2000000)
MCFG_CPU_PROGRAM_MAP(b2m_mem)
MCFG_CPU_IO_MAP(b2m_io)
MCFG_CPU_VBLANK_INT_DRIVER("screen", b2m_state, b2m_vblank_interrupt)
/* 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(384, 256)
MCFG_SCREEN_VISIBLE_AREA(0, 384-1, 0, 256-1)
MCFG_SCREEN_UPDATE_DRIVER(b2m_state, screen_update_b2m)
MCFG_PALETTE_LENGTH(4)
MCFG_PIT8253_ADD( "pit8253", b2m_pit8253_intf )
MCFG_I8255_ADD( "ppi8255_1", b2m_ppi8255_interface_1 )
MCFG_I8255_ADD( "ppi8255_2", b2m_ppi8255_interface_2 )
MCFG_I8255_ADD( "ppi8255_3", b2m_ppi8255_interface_3 )
MCFG_PIC8259_ADD( "pic8259", WRITELINE(b2m_state,b2m_pic_set_int_line), VCC, NULL )
/* sound */
MCFG_SPEAKER_STANDARD_MONO("mono")
MCFG_SOUND_ADD("speaker", SPEAKER_SOUND, 0)
MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.25)
/* uart */
MCFG_I8251_ADD("uart", default_i8251_interface)
MCFG_FD1793x_ADD("fd1793", XTAL_8MHz / 8)
MCFG_FLOPPY_DRIVE_ADD("fd0", b2m_floppies, "525qd", b2m_state::b2m_floppy_formats)
MCFG_FLOPPY_DRIVE_ADD("fd1", b2m_floppies, "525qd", b2m_state::b2m_floppy_formats)
MCFG_SOFTWARE_LIST_ADD("flop_list","b2m")
/* internal ram */
MCFG_RAM_ADD(RAM_TAG)
MCFG_RAM_DEFAULT_SIZE("128K")
MCFG_RAM_DEFAULT_VALUE(0x00)
MACHINE_CONFIG_END
static MACHINE_CONFIG_DERIVED( b2mrom, b2m )
MCFG_CPU_MODIFY("maincpu")
MCFG_CPU_IO_MAP(b2m_rom_io)
MACHINE_CONFIG_END
/* ROM definition */
ROM_START( b2m )
ROM_REGION( 0x12000, "maincpu", ROMREGION_ERASEFF )
ROM_LOAD( "b2m.rom", 0x10000, 0x2000, CRC(3f3214d6) SHA1(dd93e7fbabf14d1aed6777fe1ccfe0a3ca8fcaf2) )
ROM_END
ROM_START( b2mrom )
ROM_REGION( 0x22000, "maincpu", ROMREGION_ERASEFF )
ROM_LOAD( "bios2.rom", 0x10000, 0x2000, CRC(c22a98b7) SHA1(7de91e653bf4b191ded62cf21532578268e4a2c1) )
ROM_LOAD( "ramdos.sys", 0x12000, 0x60c0, CRC(91ed6df0) SHA1(4fd040f2647a6b7930c330c75560a035027d0606) )
ROM_END
/* Driver */
/* YEAR NAME PARENT COMPAT MACHINE INPUT INIT COMPANY FULLNAME FLAGS */
COMP( 1989, b2m, 0, 0, b2m, b2m, b2m_state, b2m, "BNPO", "Bashkiria-2M", GAME_SUPPORTS_SAVE)
COMP( 1989, b2mrom, b2m, 0, b2mrom, b2m, b2m_state, b2m, "BNPO", "Bashkiria-2M ROM-disk", GAME_SUPPORTS_SAVE)
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