diff options
Diffstat (limited to 'src/mame/drivers/mbc55x.cpp')
-rw-r--r-- | src/mame/drivers/mbc55x.cpp | 316 |
1 files changed, 316 insertions, 0 deletions
diff --git a/src/mame/drivers/mbc55x.cpp b/src/mame/drivers/mbc55x.cpp new file mode 100644 index 00000000000..948bda53efe --- /dev/null +++ b/src/mame/drivers/mbc55x.cpp @@ -0,0 +1,316 @@ +// license:BSD-3-Clause +// copyright-holders:Phill Harvey-Smith +/* + drivers/mbc55x.c + + Machine driver for the Sanyo MBC-550 and MBC-555. + + Phill Harvey-Smith + 2011-01-29. + + +ToDo: +- Fix the sound +- Add serial uart + +*/ + + +#include "includes/mbc55x.h" +#include "softlist.h" + +const unsigned char mbc55x_palette[SCREEN_NO_COLOURS][3] = +{ + /*normal brightness */ + { 0x00,0x00,0x00 }, /* black */ + { 0x00,0x00,0x80 }, /* blue */ + { 0x00,0x80,0x00 }, /* green */ + { 0x00,0x80,0x80 }, /* cyan */ + { 0x80,0x00,0x00 }, /* red */ + { 0x80,0x00,0x80 }, /* magenta */ + { 0x80,0x80,0x00 }, /* yellow */ + { 0x80,0x80,0x80 }, /* light grey */ +}; + + +static ADDRESS_MAP_START(mbc55x_mem, AS_PROGRAM, 8, mbc55x_state) + AM_RANGE( 0x00000, 0x0FFFF ) AM_RAMBANK(RAM_BANK00_TAG) + AM_RANGE( 0x10000, 0x1FFFF ) AM_RAMBANK(RAM_BANK01_TAG) + AM_RANGE( 0x20000, 0x2FFFF ) AM_RAMBANK(RAM_BANK02_TAG) + AM_RANGE( 0x30000, 0x3FFFF ) AM_RAMBANK(RAM_BANK03_TAG) + AM_RANGE( 0x40000, 0x4FFFF ) AM_RAMBANK(RAM_BANK04_TAG) + AM_RANGE( 0x50000, 0x5FFFF ) AM_RAMBANK(RAM_BANK05_TAG) + AM_RANGE( 0x60000, 0x6FFFF ) AM_RAMBANK(RAM_BANK06_TAG) + AM_RANGE( 0x70000, 0x7FFFF ) AM_RAMBANK(RAM_BANK07_TAG) + AM_RANGE( 0x80000, 0x8FFFF ) AM_RAMBANK(RAM_BANK08_TAG) + AM_RANGE( 0x90000, 0x9FFFF ) AM_RAMBANK(RAM_BANK09_TAG) + AM_RANGE( 0xA0000, 0xAFFFF ) AM_RAMBANK(RAM_BANK0A_TAG) + AM_RANGE( 0xB0000, 0xBFFFF ) AM_RAMBANK(RAM_BANK0B_TAG) + AM_RANGE( 0xC0000, 0xCFFFF ) AM_RAMBANK(RAM_BANK0C_TAG) + AM_RANGE( 0xD0000, 0xDFFFF ) AM_RAMBANK(RAM_BANK0D_TAG) + AM_RANGE( 0xE0000, 0xEFFFF ) AM_RAMBANK(RAM_BANK0E_TAG) + AM_RANGE( 0xF0000, 0xF3FFF ) AM_RAMBANK(RED_PLANE_TAG) + AM_RANGE( 0xF4000, 0xF7FFF ) AM_RAMBANK(BLUE_PLANE_TAG) + AM_RANGE( 0xF8000, 0xFBFFF ) AM_NOP + AM_RANGE( 0xFC000, 0xFFFFF ) AM_ROM AM_WRITENOP AM_REGION(MAINCPU_TAG, 0x0000) AM_MIRROR(0x002000) +ADDRESS_MAP_END + +static ADDRESS_MAP_START(mbc55x_io, AS_IO, 8, mbc55x_state) + ADDRESS_MAP_GLOBAL_MASK(0xff) + AM_RANGE( 0X0000, 0X0003) AM_READWRITE(mbcpic8259_r, mbcpic8259_w) + AM_RANGE( 0x0008, 0x000F) AM_READWRITE(mbc55x_disk_r, mbc55x_disk_w) + AM_RANGE( 0X0010, 0X0010) AM_READWRITE( vram_page_r, vram_page_w) + AM_RANGE( 0x0018, 0x001F) AM_READWRITE( ppi8255_r, ppi8255_w) + AM_RANGE( 0X0020, 0X0027) AM_READWRITE(mbcpit8253_r, mbcpit8253_w) + AM_RANGE( 0x0028, 0x002B) AM_READWRITE( mbc55x_usart_r, mbc55x_usart_w) + AM_RANGE( 0x0030, 0x0031) AM_DEVREADWRITE(VID_MC6845_NAME, mc6845_device, status_r, address_w ) + AM_RANGE( 0x0032, 0x0033) AM_DEVREADWRITE(VID_MC6845_NAME, mc6845_device, register_r, register_w ) + AM_RANGE( 0x0038, 0x003B) AM_READWRITE(mbc55x_kb_usart_r, mbc55x_kb_usart_w) +ADDRESS_MAP_END + +static INPUT_PORTS_START( mbc55x ) + PORT_START("KEY0") /* Key row 0 scancodes 00..07 */ + PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("1") PORT_CODE(KEYCODE_1) PORT_CHAR('1') + PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("2") PORT_CODE(KEYCODE_2) PORT_CHAR('2') + PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("3") PORT_CODE(KEYCODE_3) PORT_CHAR('3') + PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("4") PORT_CODE(KEYCODE_4) PORT_CHAR('4') + PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("5") PORT_CODE(KEYCODE_5) PORT_CHAR('5') + PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("6") PORT_CODE(KEYCODE_6) PORT_CHAR('6') + PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("7") PORT_CODE(KEYCODE_7) PORT_CHAR('7') + PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("8") PORT_CODE(KEYCODE_8) PORT_CHAR('8') + + PORT_START("KEY1") /* Key row 1 scancodes 08..0F */ + PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("9") PORT_CODE(KEYCODE_9) PORT_CHAR('9') + PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("0") PORT_CODE(KEYCODE_0) PORT_CHAR('0') + PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("-") PORT_CODE(KEYCODE_MINUS) PORT_CHAR('-') + PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("=") PORT_CODE(KEYCODE_EQUALS) PORT_CHAR('=') + PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("BSLASH") PORT_CODE(KEYCODE_BACKSLASH) PORT_CHAR('\\') + PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Q") PORT_CODE(KEYCODE_Q) PORT_CHAR('Q') + PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("W") PORT_CODE(KEYCODE_W) PORT_CHAR('W') + PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("E") PORT_CODE(KEYCODE_E) PORT_CHAR('E') + + PORT_START("KEY2") /* Key row 2 scancodes 10..17 */ + PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("R") PORT_CODE(KEYCODE_R) PORT_CHAR('R') + PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("T") PORT_CODE(KEYCODE_T) PORT_CHAR('T') + 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("U") PORT_CODE(KEYCODE_U) PORT_CHAR('U') + PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("I") PORT_CODE(KEYCODE_I) PORT_CHAR('I') + PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("O") PORT_CODE(KEYCODE_O) PORT_CHAR('O') + PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("P") PORT_CODE(KEYCODE_P) PORT_CHAR('P') + PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("[") PORT_CODE(KEYCODE_OPENBRACE) PORT_CHAR('[') + + + PORT_START("KEY3") /* Key row 3 scancodes 18..1F */ + PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("]") PORT_CODE(KEYCODE_CLOSEBRACE) PORT_CHAR(']') + 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("S") PORT_CODE(KEYCODE_S) PORT_CHAR('S') + PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("D") PORT_CODE(KEYCODE_D) PORT_CHAR('D') + PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("F") PORT_CODE(KEYCODE_F) PORT_CHAR('F') + PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("G") PORT_CODE(KEYCODE_G) PORT_CHAR('G') + PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("H") PORT_CODE(KEYCODE_H) PORT_CHAR('H') + PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("J") PORT_CODE(KEYCODE_J) PORT_CHAR('J') + + PORT_START("KEY4") /* Key row 4 scancodes 20..27 */ + PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("K") PORT_CODE(KEYCODE_K) PORT_CHAR('K') + 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(";") PORT_CODE(KEYCODE_COLON) PORT_CHAR(';') + PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("TILDE") PORT_CODE(KEYCODE_TILDE) PORT_CHAR('`') + PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("#") PORT_CODE(KEYCODE_QUOTE) PORT_CHAR('#') + PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("ENTER") PORT_CODE(KEYCODE_ENTER) PORT_CHAR(0x0D) + PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Z") PORT_CODE(KEYCODE_Z) PORT_CHAR('Z') + PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("X") PORT_CODE(KEYCODE_X) PORT_CHAR('X') + + + PORT_START("KEY5") /* Key row 5 scancodes 28..2F */ + 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("V") PORT_CODE(KEYCODE_V) PORT_CHAR('V') + PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("B") PORT_CODE(KEYCODE_B) PORT_CHAR('B') + PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("N") PORT_CODE(KEYCODE_N) PORT_CHAR('N') + PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("M") PORT_CODE(KEYCODE_M) PORT_CHAR('M') + PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME(",") PORT_CODE(KEYCODE_COMMA) PORT_CHAR(',') + PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME(".") PORT_CODE(KEYCODE_STOP) PORT_CHAR('.') + PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("/") PORT_CODE(KEYCODE_SLASH) PORT_CHAR('/') + + PORT_START("KEY6") /* Key row 6 scancodes 30..37 */ + PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("SPACE") PORT_CODE(KEYCODE_SPACE) PORT_CHAR(' ') + PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_UNUSED) + PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_UNUSED) + PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_UNUSED) + PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_UNUSED) + PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_UNUSED) + PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_UNUSED) + PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_UNUSED) + +#if 0 + PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("BACKSLASH") PORT_CODE(KEYCODE_BACKSLASH) PORT_CHAR('\\') + PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("LSHIFT") PORT_CODE(KEYCODE_LSHIFT) PORT_CHAR(UCHAR_SHIFT_1) + + PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("CTRL") PORT_CODE(KEYCODE_LCONTROL) PORT_CODE(KEYCODE_RCONTROL) // Ether control + + PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("RSHIFT") PORT_CODE(KEYCODE_RSHIFT) PORT_CHAR(UCHAR_SHIFT_2) + PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("PRSCR") PORT_CODE(KEYCODE_ASTERISK) PORT_CHAR('*') + + PORT_START("KEY7") /* Key row 7 scancodes 38..3F */ + PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("ALT") PORT_CODE(KEYCODE_LALT) PORT_CODE(KEYCODE_RALT) + PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("CAPS") PORT_CODE(KEYCODE_CAPSLOCK) + PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("F1") PORT_CODE(KEYCODE_F1) + PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("F2") PORT_CODE(KEYCODE_F2) + PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("F3") PORT_CODE(KEYCODE_F3) + PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("F4") PORT_CODE(KEYCODE_F4) + PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("F5") PORT_CODE(KEYCODE_F5) + + PORT_START("KEY8") /* Key row 8 scancodes 40..47 */ + PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("F6") PORT_CODE(KEYCODE_F6) + PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("F7") PORT_CODE(KEYCODE_F7) + PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("F8") PORT_CODE(KEYCODE_F8) + PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("F9") PORT_CODE(KEYCODE_F9) + PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("F10") PORT_CODE(KEYCODE_F10) + PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("NUMLK") PORT_CODE(KEYCODE_NUMLOCK) + PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("SCRLK") PORT_CODE(KEYCODE_SCRLOCK) + PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("KP7") PORT_CODE(KEYCODE_7_PAD) PORT_CHAR('7') + + PORT_START("KEY9") /* Key row 9 scancodes 48..4F */ + PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("KP8") PORT_CODE(KEYCODE_8_PAD) //PORT_CHAR('8') + PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("KP9") PORT_CODE(KEYCODE_9_PAD) //PORT_CHAR('9') + PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("KP-") PORT_CODE(KEYCODE_MINUS_PAD) //PORT_CHAR('-') + PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("KP4") PORT_CODE(KEYCODE_4_PAD) //PORT_CHAR('4') + PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("KP5") PORT_CODE(KEYCODE_5_PAD) //PORT_CHAR('5') + PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("KP6") PORT_CODE(KEYCODE_6_PAD) //PORT_CHAR('6') + PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("KP+") PORT_CODE(KEYCODE_PLUS_PAD) //PORT_CHAR('+') + PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("KP1") PORT_CODE(KEYCODE_1_PAD) //PORT_CHAR('1') + + PORT_START("KEY10") /* Key row 10 scancodes 50..57 */ + PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("KP2") PORT_CODE(KEYCODE_2_PAD) //PORT_CHAR('2') + PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("KP3") PORT_CODE(KEYCODE_3_PAD) //PORT_CHAR('3') + PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("KP0") PORT_CODE(KEYCODE_0_PAD) //PORT_CHAR('0') + PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("KP.") PORT_CODE(KEYCODE_DEL_PAD) //PORT_CHAR('.') + PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_UNUSED) + PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_UNUSED) + PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_UNUSED) + PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_UNUSED) + //PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("KP5") PORT_CODE(KEYCODE_5_PAD) PORT_CHAR('5') + //PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("KP6") PORT_CODE(KEYCODE_6_PAD) PORT_CHAR('6') + //PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("KP+") PORT_CODE(KEYCODE_PLUS_PAD) PORT_CHAR('+') + //PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("KP1") PORT_CODE(KEYCODE_1_PAD) PORT_CHAR('1') +#endif + + PORT_START(KEY_SPECIAL_TAG) + PORT_BIT(KEY_BIT_LSHIFT, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("LSHIFT") PORT_CODE(KEYCODE_LSHIFT) PORT_CHAR(UCHAR_SHIFT_1) + PORT_BIT(KEY_BIT_RSHIFT, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("RSHIFT") PORT_CODE(KEYCODE_RSHIFT) PORT_CHAR(UCHAR_SHIFT_2) + PORT_BIT(KEY_BIT_CTRL, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("CTRL") PORT_CODE(KEYCODE_LCONTROL) PORT_CODE(KEYCODE_RCONTROL) // Ether control + PORT_BIT(KEY_BIT_GRAPH, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("GRAPH") PORT_CODE(KEYCODE_LALT) PORT_CODE(KEYCODE_RALT) + PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_UNUSED) + PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_UNUSED) + PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_UNUSED) + PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_UNUSED) + +INPUT_PORTS_END + + +PALETTE_INIT_MEMBER(mbc55x_state, mbc55x) +{ + int colourno; + + logerror("initializing palette\n"); + + for ( colourno = 0; colourno < SCREEN_NO_COLOURS; colourno++ ) + palette.set_pen_color(colourno, mbc55x_palette[colourno][RED], mbc55x_palette[colourno][GREEN], mbc55x_palette[colourno][BLUE]); +} + + +FLOPPY_FORMATS_MEMBER( mbc55x_state::floppy_formats ) + FLOPPY_PC_FORMAT +FLOPPY_FORMATS_END + + +// MBC-550 : 1 x 5.25" disk-drive (160 KB) +// MBC-555 : 2 x 5.25" disk-drive (160 KB) +// MBC-555-2 : 2 x 5.25" disk-drive (360 KB) +// MBC-555-3 : 2 x 5.25" disk-drive (720 KB) + +static SLOT_INTERFACE_START( mbc55x_floppies ) + SLOT_INTERFACE("ssdd", FLOPPY_525_SSDD) + SLOT_INTERFACE("dd", FLOPPY_525_DD) + SLOT_INTERFACE("qd", FLOPPY_525_QD) +SLOT_INTERFACE_END + + +static MACHINE_CONFIG_START( mbc55x, mbc55x_state ) + /* basic machine hardware */ + MCFG_CPU_ADD(MAINCPU_TAG, I8088, 3600000) + MCFG_CPU_PROGRAM_MAP(mbc55x_mem) + MCFG_CPU_IO_MAP(mbc55x_io) + MCFG_CPU_IRQ_ACKNOWLEDGE_DEVICE(PIC8259_TAG, pic8259_device, inta_cb) + + /* video hardware */ + MCFG_SCREEN_ADD(SCREEN_TAG, RASTER) + MCFG_SCREEN_RAW_PARAMS(XTAL_14_31818MHz,896,0,300,262,0,200) + MCFG_SCREEN_UPDATE_DEVICE(VID_MC6845_NAME, mc6845_device, screen_update) + MCFG_SCREEN_VBLANK_DRIVER(mbc55x_state, screen_eof_mbc55x) + + MCFG_PALETTE_ADD("palette", SCREEN_NO_COLOURS * 3) + MCFG_PALETTE_INIT_OWNER(mbc55x_state, mbc55x) +// MCFG_SCREEN_SIZE(650, 260) +// MCFG_SCREEN_VISIBLE_AREA(0, 639, 0, 249) + + MCFG_RAM_ADD(RAM_TAG) + MCFG_RAM_DEFAULT_SIZE("128K") + MCFG_RAM_EXTRA_OPTIONS("128K,192K,256K,320K,384K,448K,512K,576K,640K") + + /* sound hardware */ + MCFG_SPEAKER_STANDARD_MONO(MONO_TAG) + MCFG_SOUND_ADD("speaker", SPEAKER_SOUND, 0) + MCFG_SOUND_ROUTE(ALL_OUTPUTS,MONO_TAG, 0.75) + + /* Devices */ + MCFG_DEVICE_ADD(I8251A_KB_TAG, I8251, 0) + MCFG_I8251_RXRDY_HANDLER(DEVWRITELINE(PIC8259_TAG, pic8259_device, ir3_w)) + + MCFG_DEVICE_ADD(PIT8253_TAG, PIT8253, 0) + MCFG_PIT8253_CLK0(PIT_C0_CLOCK) + MCFG_PIT8253_OUT0_HANDLER(DEVWRITELINE(PIC8259_TAG, pic8259_device, ir0_w)) + MCFG_PIT8253_CLK1(PIT_C1_CLOCK) + MCFG_PIT8253_OUT1_HANDLER(DEVWRITELINE(PIC8259_TAG, pic8259_device, ir1_w)) + MCFG_PIT8253_CLK2(PIT_C2_CLOCK) + MCFG_PIT8253_OUT2_HANDLER(WRITELINE(mbc55x_state, pit8253_t2)) + + MCFG_PIC8259_ADD( PIC8259_TAG, INPUTLINE(MAINCPU_TAG, INPUT_LINE_IRQ0), VCC, NULL ) + + MCFG_DEVICE_ADD(PPI8255_TAG, I8255, 0) + MCFG_I8255_IN_PORTA_CB(READ8(mbc55x_state, mbc55x_ppi_porta_r)) + MCFG_I8255_OUT_PORTA_CB(WRITE8(mbc55x_state, mbc55x_ppi_porta_w)) + MCFG_I8255_IN_PORTB_CB(READ8(mbc55x_state, mbc55x_ppi_portb_r)) + MCFG_I8255_OUT_PORTB_CB(WRITE8(mbc55x_state, mbc55x_ppi_portb_w)) + MCFG_I8255_IN_PORTC_CB(READ8(mbc55x_state, mbc55x_ppi_portc_r)) + MCFG_I8255_OUT_PORTC_CB(WRITE8(mbc55x_state, mbc55x_ppi_portc_w)) + + MCFG_MC6845_ADD(VID_MC6845_NAME, MC6845, SCREEN_TAG, XTAL_14_31818MHz/8) + MCFG_MC6845_SHOW_BORDER_AREA(false) + MCFG_MC6845_CHAR_WIDTH(8) + MCFG_MC6845_UPDATE_ROW_CB(mbc55x_state, crtc_update_row) + MCFG_MC6845_OUT_VSYNC_CB(WRITELINE(mbc55x_state, vid_hsync_changed)) + MCFG_MC6845_OUT_HSYNC_CB(WRITELINE(mbc55x_state, vid_vsync_changed)) + + /* Backing storage */ + MCFG_FD1793_ADD(FDC_TAG, XTAL_1MHz) + + MCFG_FLOPPY_DRIVE_ADD(FDC_TAG ":0", mbc55x_floppies, "qd", mbc55x_state::floppy_formats) + MCFG_FLOPPY_DRIVE_ADD(FDC_TAG ":1", mbc55x_floppies, "qd", mbc55x_state::floppy_formats) + MCFG_FLOPPY_DRIVE_ADD(FDC_TAG ":2", mbc55x_floppies, "", mbc55x_state::floppy_formats) + MCFG_FLOPPY_DRIVE_ADD(FDC_TAG ":3", mbc55x_floppies, "", mbc55x_state::floppy_formats) + + /* Software list */ + MCFG_SOFTWARE_LIST_ADD("disk_list","mbc55x") +MACHINE_CONFIG_END + + +ROM_START( mbc55x ) + ROM_REGION( 0x4000, MAINCPU_TAG, 0 ) + + ROM_SYSTEM_BIOS(0, "v120", "mbc55x BIOS v1.20 (1983)") + ROMX_LOAD("mbc55x-v120.rom", 0x0000, 0x2000, CRC(b439b4b8) SHA1(6e8df0f3868e3fd0229a5c2720d6c01e46815cab), ROM_BIOS(1) ) +ROM_END + + +/* YEAR NAME PARENT COMPAT MACHINE INPUT INIT COMPANY FULLNAME FLAGS */ +COMP( 1983, mbc55x, 0, 0, mbc55x, mbc55x, driver_device, 0, "Sanyo", "MBC-55x", 0 /*MACHINE_NO_SOUND*/) |