diff options
Diffstat (limited to 'src/mame/drivers/bmjr.cpp')
-rw-r--r-- | src/mame/drivers/bmjr.cpp | 385 |
1 files changed, 385 insertions, 0 deletions
diff --git a/src/mame/drivers/bmjr.cpp b/src/mame/drivers/bmjr.cpp new file mode 100644 index 00000000000..4ad812b6295 --- /dev/null +++ b/src/mame/drivers/bmjr.cpp @@ -0,0 +1,385 @@ +// license:BSD-3-Clause +// copyright-holders:Angelo Salese +/*************************************************************************** + + Basic Master Jr (MB-6885) (c) 1982? Hitachi + + preliminary driver by Angelo Salese + + TODO: + - for whatever reason, BASIC won't work if you try to use it directly, + it does if you enter into MON first then exit (with E) + - tape hook-up doesn't work yet (shouldn't be hard to fix) + - Break key is unemulated (tied with the NMI) + +****************************************************************************/ + +#include "emu.h" +#include "cpu/m6800/m6800.h" +#include "sound/beep.h" +#include "imagedev/cassette.h" +#include "sound/wave.h" + + +class bmjr_state : public driver_device +{ +public: + bmjr_state(const machine_config &mconfig, device_type type, const char *tag) + : driver_device(mconfig, type, tag), + m_maincpu(*this, "maincpu"), + m_cass(*this, "cassette"), + m_beep(*this, "beeper") + , + m_p_wram(*this, "p_wram"){ } + + required_device<cpu_device> m_maincpu; + required_device<cassette_image_device> m_cass; + required_device<beep_device> m_beep; + DECLARE_READ8_MEMBER(key_r); + DECLARE_WRITE8_MEMBER(key_w); + DECLARE_READ8_MEMBER(ff_r); + DECLARE_READ8_MEMBER(unk_r); + DECLARE_READ8_MEMBER(tape_r); + DECLARE_WRITE8_MEMBER(tape_w); + DECLARE_READ8_MEMBER(tape_stop_r); + DECLARE_READ8_MEMBER(tape_start_r); + DECLARE_WRITE8_MEMBER(xor_display_w); + bool m_tape_switch; + required_shared_ptr<UINT8> m_p_wram; + UINT8 *m_p_chargen; + UINT8 m_xor_display; + UINT8 m_key_mux; + DECLARE_DRIVER_INIT(bmjr); + virtual void machine_start(); + virtual void machine_reset(); + virtual void video_start(); + UINT32 screen_update_bmjr(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect); +}; + + + +void bmjr_state::video_start() +{ + m_p_chargen = memregion("chargen")->base(); +} + +UINT32 bmjr_state::screen_update_bmjr(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect) +{ + UINT8 y,ra,chr,gfx,fg=4; + UINT16 sy=0,ma=0x100,x; + UINT8 inv = (m_xor_display) ? 0xff : 0; + + for(y = 0; y < 24; y++ ) + { + for (ra = 0; ra < 8; ra++) + { + UINT16 *p = &bitmap.pix16(sy++); + + for (x = ma; x < ma + 32; x++) + { + chr = m_p_wram[x]; + gfx = m_p_chargen[(chr<<3) | ra] ^ inv; + + /* Display a scanline of a character */ + *p++ = BIT(gfx, 7) ? fg : 0; + *p++ = BIT(gfx, 6) ? fg : 0; + *p++ = BIT(gfx, 5) ? fg : 0; + *p++ = BIT(gfx, 4) ? fg : 0; + *p++ = BIT(gfx, 3) ? fg : 0; + *p++ = BIT(gfx, 2) ? fg : 0; + *p++ = BIT(gfx, 1) ? fg : 0; + *p++ = BIT(gfx, 0) ? fg : 0; + } + } + ma+=32; + } + + return 0; +} + +READ8_MEMBER( bmjr_state::key_r ) +{ + char kbdrow[6]; + sprintf(kbdrow,"KEY%X", m_key_mux); + return (ioport(kbdrow)->read() & 15) | (ioport("KEYMOD")->read() << 4); +} + +WRITE8_MEMBER( bmjr_state::key_w ) +{ + m_key_mux = data & 0xf; + +// if(data & 0xf0) +// printf("%02x",data & 0xf0); +} + + +READ8_MEMBER( bmjr_state::ff_r ) +{ + return 0xff; +} + +READ8_MEMBER( bmjr_state::unk_r ) +{ + return 0x30; +} + +READ8_MEMBER( bmjr_state::tape_r ) +{ + //m_cass->change_state(CASSETTE_PLAY,CASSETTE_MASK_UISTATE); + + return ((m_cass->input()) > 0.03) ? 0xff : 0x00; +} + +WRITE8_MEMBER( bmjr_state::tape_w ) +{ + if(!m_tape_switch) + { + m_beep->set_state(!BIT(data, 7)); + } + else + { + //m_cass->change_state(CASSETTE_RECORD,CASSETTE_MASK_UISTATE); + m_cass->output(BIT(data, 0) ? -1.0 : +1.0); + } +} + +READ8_MEMBER( bmjr_state::tape_stop_r ) +{ + m_tape_switch = 0; + //m_cass->change_state(CASSETTE_STOPPED,CASSETTE_MASK_UISTATE); + m_cass->change_state(CASSETTE_MOTOR_DISABLED,CASSETTE_MASK_MOTOR); + return 0x01; +} + +READ8_MEMBER( bmjr_state::tape_start_r ) +{ + m_tape_switch = 1; + m_cass->change_state(CASSETTE_MOTOR_ENABLED,CASSETTE_MASK_MOTOR); + return 0x01; +} + +WRITE8_MEMBER( bmjr_state::xor_display_w ) +{ + m_xor_display = data; +} + +static ADDRESS_MAP_START(bmjr_mem, AS_PROGRAM, 8, bmjr_state) + ADDRESS_MAP_UNMAP_HIGH + //0x0100, 0x03ff basic vram + //0x0900, 0x20ff vram, modes 0x40 / 0xc0 + //0x2100, 0x38ff vram, modes 0x44 / 0xcc + AM_RANGE(0x0000, 0xafff) AM_RAM AM_SHARE("p_wram") + AM_RANGE(0xb000, 0xdfff) AM_ROM + AM_RANGE(0xe000, 0xe7ff) AM_ROM +// AM_RANGE(0xe890, 0xe890) W MP-1710 tile color +// AM_RANGE(0xe891, 0xe891) W MP-1710 background color +// AM_RANGE(0xe892, 0xe892) W MP-1710 monochrome / color setting + AM_RANGE(0xee00, 0xee00) AM_READ(tape_stop_r) //R stop tape + AM_RANGE(0xee20, 0xee20) AM_READ(tape_start_r) //R start tape + AM_RANGE(0xee40, 0xee40) AM_WRITE(xor_display_w) //W Picture reverse + AM_RANGE(0xee80, 0xee80) AM_READWRITE(tape_r,tape_w)//RW tape input / output + AM_RANGE(0xeec0, 0xeec0) AM_READWRITE(key_r,key_w)//RW keyboard + AM_RANGE(0xef00, 0xef00) AM_READ(ff_r) //R timer + AM_RANGE(0xef40, 0xef40) AM_READ(ff_r) //R unknown + AM_RANGE(0xef80, 0xef80) AM_READ(unk_r) //R unknown +// AM_RANGE(0xefe0, 0xefe0) W screen mode + AM_RANGE(0xf000, 0xffff) AM_ROM +ADDRESS_MAP_END + +/* Input ports */ +static INPUT_PORTS_START( bmjr ) + PORT_START("KEY0") + PORT_BIT(0x01,IP_ACTIVE_LOW,IPT_KEYBOARD) PORT_NAME("Z") PORT_CODE(KEYCODE_Z) PORT_CHAR('Z') + PORT_BIT(0x02,IP_ACTIVE_LOW,IPT_KEYBOARD) PORT_NAME("A") PORT_CODE(KEYCODE_A) PORT_CHAR('A') + PORT_BIT(0x04,IP_ACTIVE_LOW,IPT_KEYBOARD) PORT_NAME("Q") PORT_CODE(KEYCODE_Q) PORT_CHAR('Q') + PORT_BIT(0x08,IP_ACTIVE_LOW,IPT_KEYBOARD) PORT_NAME("1 !") PORT_CODE(KEYCODE_1) PORT_CHAR('1') PORT_CHAR('!') + PORT_BIT(0xf0,IP_ACTIVE_LOW,IPT_UNUSED ) + + PORT_START("KEY1") + PORT_BIT(0x01,IP_ACTIVE_LOW,IPT_KEYBOARD) PORT_NAME("X") PORT_CODE(KEYCODE_X) PORT_CHAR('X') + PORT_BIT(0x02,IP_ACTIVE_LOW,IPT_KEYBOARD) PORT_NAME("S") PORT_CODE(KEYCODE_S) PORT_CHAR('S') + PORT_BIT(0x04,IP_ACTIVE_LOW,IPT_KEYBOARD) PORT_NAME("W") PORT_CODE(KEYCODE_W) PORT_CHAR('W') + PORT_BIT(0x08,IP_ACTIVE_LOW,IPT_KEYBOARD) PORT_NAME("2 \"") PORT_CODE(KEYCODE_2) PORT_CHAR('2') PORT_CHAR('\"') + PORT_BIT(0xf0,IP_ACTIVE_LOW,IPT_UNUSED ) + + PORT_START("KEY2") + PORT_BIT(0x01,IP_ACTIVE_LOW,IPT_KEYBOARD) PORT_NAME("C") PORT_CODE(KEYCODE_C) PORT_CHAR('C') + PORT_BIT(0x02,IP_ACTIVE_LOW,IPT_KEYBOARD) PORT_NAME("D") PORT_CODE(KEYCODE_D) PORT_CHAR('D') + PORT_BIT(0x04,IP_ACTIVE_LOW,IPT_KEYBOARD) PORT_NAME("E") PORT_CODE(KEYCODE_E) PORT_CHAR('E') + PORT_BIT(0x08,IP_ACTIVE_LOW,IPT_KEYBOARD) PORT_NAME("3 #") PORT_CODE(KEYCODE_3) PORT_CHAR('3') PORT_CHAR('#') + PORT_BIT(0xf0,IP_ACTIVE_LOW,IPT_UNUSED ) + + PORT_START("KEY3") + PORT_BIT(0x01,IP_ACTIVE_LOW,IPT_KEYBOARD) PORT_NAME("V") PORT_CODE(KEYCODE_V) PORT_CHAR('V') + PORT_BIT(0x02,IP_ACTIVE_LOW,IPT_KEYBOARD) PORT_NAME("F") PORT_CODE(KEYCODE_F) PORT_CHAR('F') + PORT_BIT(0x04,IP_ACTIVE_LOW,IPT_KEYBOARD) PORT_NAME("R") PORT_CODE(KEYCODE_R) PORT_CHAR('R') + PORT_BIT(0x08,IP_ACTIVE_LOW,IPT_KEYBOARD) PORT_NAME("4 $") PORT_CODE(KEYCODE_4) PORT_CHAR('4') PORT_CHAR('$') + PORT_BIT(0xf0,IP_ACTIVE_LOW,IPT_UNUSED ) + + PORT_START("KEY4") + PORT_BIT(0x01,IP_ACTIVE_LOW,IPT_KEYBOARD) PORT_NAME("B") PORT_CODE(KEYCODE_B) PORT_CHAR('B') + PORT_BIT(0x02,IP_ACTIVE_LOW,IPT_KEYBOARD) PORT_NAME("G") PORT_CODE(KEYCODE_G) PORT_CHAR('G') + PORT_BIT(0x04,IP_ACTIVE_LOW,IPT_KEYBOARD) PORT_NAME("T") PORT_CODE(KEYCODE_T) PORT_CHAR('T') + PORT_BIT(0x08,IP_ACTIVE_LOW,IPT_KEYBOARD) PORT_NAME("5 %") PORT_CODE(KEYCODE_5) PORT_CHAR('5') PORT_CHAR('%') + PORT_BIT(0xf0,IP_ACTIVE_LOW,IPT_UNUSED ) + + PORT_START("KEY5") + PORT_BIT(0x01,IP_ACTIVE_LOW,IPT_KEYBOARD) PORT_NAME("N") PORT_CODE(KEYCODE_N) PORT_CHAR('N') + PORT_BIT(0x02,IP_ACTIVE_LOW,IPT_KEYBOARD) PORT_NAME("H") PORT_CODE(KEYCODE_H) PORT_CHAR('H') + PORT_BIT(0x04,IP_ACTIVE_LOW,IPT_KEYBOARD) PORT_NAME("Y") PORT_CODE(KEYCODE_Y) PORT_CHAR('Y') + PORT_BIT(0x08,IP_ACTIVE_LOW,IPT_KEYBOARD) PORT_NAME("6 &") PORT_CODE(KEYCODE_6) PORT_CHAR('6') PORT_CHAR('&') + PORT_BIT(0xf0,IP_ACTIVE_LOW,IPT_UNUSED ) + + PORT_START("KEY6") + PORT_BIT(0x01,IP_ACTIVE_LOW,IPT_KEYBOARD) PORT_NAME("M") PORT_CODE(KEYCODE_M) PORT_CHAR('M') + PORT_BIT(0x02,IP_ACTIVE_LOW,IPT_KEYBOARD) PORT_NAME("J") PORT_CODE(KEYCODE_J) PORT_CHAR('J') + PORT_BIT(0x04,IP_ACTIVE_LOW,IPT_KEYBOARD) PORT_NAME("U") PORT_CODE(KEYCODE_U) PORT_CHAR('U') + PORT_BIT(0x08,IP_ACTIVE_LOW,IPT_KEYBOARD) PORT_NAME("7 \'") PORT_CODE(KEYCODE_7) PORT_CHAR('7') PORT_CHAR('\'') + PORT_BIT(0xf0,IP_ACTIVE_LOW,IPT_UNUSED ) + + PORT_START("KEY7") + PORT_BIT(0x01,IP_ACTIVE_LOW,IPT_KEYBOARD) PORT_NAME(", <") PORT_CODE(KEYCODE_COMMA) PORT_CHAR(',') PORT_CHAR('<') + PORT_BIT(0x02,IP_ACTIVE_LOW,IPT_KEYBOARD) PORT_NAME("K") PORT_CODE(KEYCODE_K) PORT_CHAR('K') + PORT_BIT(0x04,IP_ACTIVE_LOW,IPT_KEYBOARD) PORT_NAME("I") PORT_CODE(KEYCODE_I) PORT_CHAR('I') + PORT_BIT(0x08,IP_ACTIVE_LOW,IPT_KEYBOARD) PORT_NAME("8 (") PORT_CODE(KEYCODE_8) PORT_CHAR('8') PORT_CHAR('(') + PORT_BIT(0xf0,IP_ACTIVE_LOW,IPT_UNUSED ) + + PORT_START("KEY8") + PORT_BIT(0x01,IP_ACTIVE_LOW,IPT_KEYBOARD) PORT_NAME(". >") PORT_CODE(KEYCODE_STOP) PORT_CHAR('.') PORT_CHAR('>') + PORT_BIT(0x02,IP_ACTIVE_LOW,IPT_KEYBOARD) PORT_NAME("L") PORT_CODE(KEYCODE_L) PORT_CHAR('L') + PORT_BIT(0x04,IP_ACTIVE_LOW,IPT_KEYBOARD) PORT_NAME("O") PORT_CODE(KEYCODE_O) PORT_CHAR('O') + PORT_BIT(0x08,IP_ACTIVE_LOW,IPT_KEYBOARD) PORT_NAME("9 )") PORT_CODE(KEYCODE_9) PORT_CHAR('9') PORT_CHAR(')') + PORT_BIT(0xf0,IP_ACTIVE_LOW,IPT_UNUSED ) + + PORT_START("KEY9") + PORT_BIT(0x01,IP_ACTIVE_LOW,IPT_KEYBOARD) PORT_NAME("/ ?") PORT_CODE(KEYCODE_SLASH) PORT_CHAR('/') PORT_CHAR('?') + PORT_BIT(0x02,IP_ACTIVE_LOW,IPT_KEYBOARD) PORT_NAME("; +") PORT_CODE(KEYCODE_COLON) PORT_CHAR(';') PORT_CHAR('+') + PORT_BIT(0x04,IP_ACTIVE_LOW,IPT_KEYBOARD) PORT_NAME("P") PORT_CODE(KEYCODE_P) PORT_CHAR('P') + PORT_BIT(0x08,IP_ACTIVE_LOW,IPT_KEYBOARD) PORT_NAME("0") PORT_CODE(KEYCODE_0) PORT_CHAR('0') + PORT_BIT(0xf0,IP_ACTIVE_LOW,IPT_UNUSED ) + + PORT_START("KEYA") + PORT_BIT(0x01,IP_ACTIVE_LOW,IPT_UNUSED ) + PORT_BIT(0x02,IP_ACTIVE_LOW,IPT_KEYBOARD) PORT_NAME(": *") PORT_CODE(KEYCODE_QUOTE) PORT_CHAR(':') PORT_CHAR('*') + PORT_BIT(0x04,IP_ACTIVE_LOW,IPT_KEYBOARD) PORT_NAME("@ Up") PORT_CODE(KEYCODE_8_PAD) PORT_CHAR('@') + PORT_BIT(0x08,IP_ACTIVE_LOW,IPT_KEYBOARD) PORT_NAME("- =") PORT_CODE(KEYCODE_MINUS) PORT_CHAR('-') PORT_CHAR('=') + PORT_BIT(0xf0,IP_ACTIVE_LOW,IPT_UNUSED ) + + PORT_START("KEYB") + PORT_BIT(0x01,IP_ACTIVE_LOW,IPT_KEYBOARD) PORT_NAME("Space") PORT_CODE(KEYCODE_SPACE) PORT_CHAR(' ') + PORT_BIT(0x02,IP_ACTIVE_LOW,IPT_KEYBOARD) PORT_NAME("]") PORT_CODE(KEYCODE_CLOSEBRACE) PORT_CHAR(']') + PORT_BIT(0x04,IP_ACTIVE_LOW,IPT_KEYBOARD) PORT_NAME("[ Down") PORT_CODE(KEYCODE_OPENBRACE) PORT_CODE(KEYCODE_2_PAD) PORT_CHAR('[') + PORT_BIT(0x08,IP_ACTIVE_LOW,IPT_KEYBOARD) PORT_NAME("^ Right") PORT_CODE(KEYCODE_6_PAD) PORT_CHAR('^') + PORT_BIT(0xf0,IP_ACTIVE_LOW,IPT_UNUSED ) + + PORT_START("KEYC") + PORT_BIT(0x01,IP_ACTIVE_LOW,IPT_UNUSED) + PORT_BIT(0x02,IP_ACTIVE_LOW,IPT_KEYBOARD) PORT_NAME("Enter") PORT_CODE(KEYCODE_ENTER) PORT_CHAR(13) + PORT_BIT(0x04,IP_ACTIVE_LOW,IPT_KEYBOARD) PORT_NAME("Backspace") PORT_CODE(KEYCODE_BACKSPACE) PORT_CHAR(8) + PORT_BIT(0x08,IP_ACTIVE_LOW,IPT_KEYBOARD) PORT_NAME("\xC2\xA5 / Left") PORT_CODE(KEYCODE_4_PAD) + PORT_BIT(0xf0,IP_ACTIVE_LOW,IPT_UNUSED ) + + PORT_START("KEYD") + PORT_DIPNAME( 0x01, 0x01, "D" ) + PORT_DIPSETTING( 0x01, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + PORT_DIPNAME( 0x02, 0x02, DEF_STR( Unknown ) ) + PORT_DIPSETTING( 0x02, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + PORT_DIPNAME( 0x04, 0x04, DEF_STR( Unknown ) ) + PORT_DIPSETTING( 0x04, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + PORT_DIPNAME( 0x08, 0x08, DEF_STR( Unknown ) ) + PORT_DIPSETTING( 0x08, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + PORT_BIT( 0xf0, IP_ACTIVE_LOW, IPT_UNUSED ) + + PORT_START("KEYE") + PORT_BIT( 0xff, IP_ACTIVE_LOW, IPT_UNUSED ) + + PORT_START("KEYF") + PORT_BIT( 0xff, IP_ACTIVE_LOW, IPT_UNUSED ) + + PORT_START("KEYMOD") /* Note: you should press Normal to return from a Kana state and vice-versa */ + PORT_BIT(0x01,IP_ACTIVE_LOW,IPT_KEYBOARD) PORT_NAME(DEF_STR( Normal )) PORT_CODE(KEYCODE_LCONTROL) + PORT_BIT(0x02,IP_ACTIVE_LOW,IPT_KEYBOARD) PORT_NAME("Shift") PORT_CODE(KEYCODE_LSHIFT) PORT_CODE(KEYCODE_RSHIFT) PORT_CHAR(UCHAR_SHIFT_1) + PORT_BIT(0x04,IP_ACTIVE_LOW,IPT_KEYBOARD) PORT_NAME("Kana Shift") PORT_CODE(KEYCODE_LALT) + PORT_BIT(0x08,IP_ACTIVE_LOW,IPT_KEYBOARD) PORT_NAME("Kana") PORT_CODE(KEYCODE_RCONTROL) + PORT_BIT(0xf0,IP_ACTIVE_LOW,IPT_UNUSED ) +INPUT_PORTS_END + +static const gfx_layout bmjr_charlayout = +{ + 8, 8, + RGN_FRAC(1,1), + 1, + { 0 }, + { 0, 1, 2, 3, 4, 5, 6, 7 }, + { 0*8, 1*8, 2*8, 3*8, 4*8, 5*8, 6*8, 7*8 }, + 8*8 +}; + +static GFXDECODE_START( bmjr ) + GFXDECODE_ENTRY( "chargen", 0x0000, bmjr_charlayout, 0, 4 ) +GFXDECODE_END + +void bmjr_state::machine_start() +{ + m_beep->set_frequency(1200); //guesswork + m_beep->set_state(0); +} + +void bmjr_state::machine_reset() +{ + m_tape_switch = 0; + m_cass->change_state(CASSETTE_MOTOR_DISABLED,CASSETTE_MASK_MOTOR); +} + +static MACHINE_CONFIG_START( bmjr, bmjr_state ) + /* basic machine hardware */ + MCFG_CPU_ADD("maincpu",M6800, XTAL_4MHz/4) //unknown clock / divider + MCFG_CPU_PROGRAM_MAP(bmjr_mem) + MCFG_CPU_VBLANK_INT_DRIVER("screen", bmjr_state, irq0_line_hold) + + + /* 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(256, 192) + MCFG_SCREEN_VISIBLE_AREA(0, 256-1, 0, 192-1) + MCFG_SCREEN_UPDATE_DRIVER(bmjr_state, screen_update_bmjr) + MCFG_SCREEN_PALETTE("palette") + + MCFG_PALETTE_ADD_3BIT_BRG("palette") + MCFG_GFXDECODE_ADD("gfxdecode", "palette", bmjr) + + /* Audio */ + MCFG_SPEAKER_STANDARD_MONO("mono") + MCFG_SOUND_ADD("beeper", BEEP, 0) + MCFG_SOUND_ROUTE(ALL_OUTPUTS,"mono",0.50) + MCFG_SOUND_WAVE_ADD(WAVE_TAG, "cassette") + MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.25) + + /* Devices */ + MCFG_CASSETTE_ADD( "cassette" ) +MACHINE_CONFIG_END + +/* ROM definition */ +ROM_START( bmjr ) + ROM_REGION( 0x10000, "maincpu", ROMREGION_ERASEFF ) + ROM_LOAD( "bas.rom", 0xb000, 0x3000, BAD_DUMP CRC(2318e04e) SHA1(cdb3535663090f5bcaba20b1dbf1f34724ef6a5f)) //12k ROMs doesn't exist ... + ROM_LOAD( "mon.rom", 0xf000, 0x1000, CRC(776cfa3a) SHA1(be747bc40fdca66b040e0f792b05fcd43a1565ce)) + ROM_LOAD( "prt.rom", 0xe000, 0x0800, CRC(b9aea867) SHA1(b8dd5348790d76961b6bdef41cfea371fdbcd93d)) + + ROM_REGION( 0x800, "chargen", 0 ) + ROM_LOAD( "font.rom", 0x0000, 0x0800, BAD_DUMP CRC(258c6fd7) SHA1(d7c7dd57d6fc3b3d44f14c32182717a48e24587f)) //taken from a JP emulator +ROM_END + +/* Driver */ +DRIVER_INIT_MEMBER(bmjr_state,bmjr) +{ +} + +/* YEAR NAME PARENT COMPAT MACHINE INPUT INIT COMPANY FULLNAME FLAGS */ +COMP( 1982, bmjr, 0, 0, bmjr, bmjr, bmjr_state, bmjr, "Hitachi", "Basic Master Jr", MACHINE_NOT_WORKING) |