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Diffstat (limited to 'src/mame/drivers/mbc55x.cpp')
-rw-r--r--src/mame/drivers/mbc55x.cpp316
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*/)