/* 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" 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 const floppy_interface mbc55x_floppy_interface = { FLOPPY_STANDARD_5_25_DSSD_35, LEGACY_FLOPPY_OPTIONS_NAME(pc), "floppy_5_25" }; 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]); } 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, default_wd17xx_interface) MCFG_WD17XX_INTRQ_CALLBACK(WRITELINE(mbc55x_state, mbc55x_fdc_intrq_w)) MCFG_WD17XX_DRQ_CALLBACK(WRITELINE(mbc55x_state, mbc55x_fdc_drq_w)) MCFG_WD17XX_DDEN_CALLBACK(GND) MCFG_LEGACY_FLOPPY_4_DRIVES_ADD(mbc55x_floppy_interface) /* 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 /*GAME_NO_SOUND*/)