diff options
Diffstat (limited to 'src/mame/drivers/mbc55x.cpp')
-rw-r--r-- | src/mame/drivers/mbc55x.cpp | 324 |
1 files changed, 177 insertions, 147 deletions
diff --git a/src/mame/drivers/mbc55x.cpp b/src/mame/drivers/mbc55x.cpp index 73629a1945f..aa8b1bb7041 100644 --- a/src/mame/drivers/mbc55x.cpp +++ b/src/mame/drivers/mbc55x.cpp @@ -8,6 +8,11 @@ Phill Harvey-Smith 2011-01-29. + +ToDo: +- Fix the sound +- Add serial uart + */ @@ -17,14 +22,27 @@ #include "bus/isa/isa_cards.h" //#include "bus/pc_joy/pc_joy.h" #include "bus/rs232/rs232.h" +#include "cpu/mcs48/mcs48.h" #include "machine/clock.h" #include "machine/i8087.h" #include "machine/input_merger.h" -#include "machine/mbc55x_kbd.h" #include "screen.h" #include "softlist.h" #include "speaker.h" +static constexpr rgb_t mbc55x_pens[SCREEN_NO_COLOURS] +{ + // 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 +}; + void mbc55x_state::mbc55x_mem(address_map &map) { @@ -64,146 +82,156 @@ void mbc55x_state::mbc55x_iodecode(address_map &map) map(0x14, 0x15).mirror(0x02).rw("sio", FUNC(i8251_device::read), FUNC(i8251_device::write)); map(0x18, 0x18).mirror(0x02).rw(m_crtc, FUNC(mc6845_device::status_r), FUNC(mc6845_device::address_w)); map(0x19, 0x19).mirror(0x02).rw(m_crtc, FUNC(mc6845_device::register_r), FUNC(mc6845_device::register_w)); - map(0x1c, 0x1d).mirror(0x02).rw(m_kb_uart, FUNC(i8251_device::read), FUNC(i8251_device::write)); -} - -uint8_t mbc55x_state::iodecode_r(offs_t offset) -{ - return m_iodecode->read8(offset >> 1); -} - -void mbc55x_state::iodecode_w(offs_t offset, uint8_t data) -{ - m_iodecode->write8(offset >> 1, data); -} - -/* 8255 Configuration */ - -uint8_t mbc55x_state::game_io_r() -{ - return 0xff; -} - -void mbc55x_state::game_io_w(uint8_t data) -{ -} - -uint8_t mbc55x_state::printer_status_r() -{ - return m_printer_status; -} - -void mbc55x_state::printer_data_w(uint8_t data) -{ - m_printer->write_data7(!BIT(data, 7)); - m_printer->write_data6(!BIT(data, 6)); - m_printer->write_data5(!BIT(data, 5)); - m_printer->write_data4(!BIT(data, 4)); - m_printer->write_data3(!BIT(data, 3)); - m_printer->write_data2(!BIT(data, 2)); - m_printer->write_data1(!BIT(data, 1)); - m_printer->write_data0(!BIT(data, 0)); -} - -void mbc55x_state::disk_select_w(uint8_t data) -{ - floppy_image_device *floppy = nullptr; - - switch (data & 0x03) - { - case 0: floppy = m_floppy[0]->get_device(); break; - case 1: floppy = m_floppy[1]->get_device(); break; - case 2: floppy = m_floppy[2]->get_device(); break; - case 3: floppy = m_floppy[3]->get_device(); break; - } - - m_fdc->set_floppy(floppy); - - if (floppy) - { - floppy->mon_w(0); - floppy->ss_w(BIT(data, 2)); - } - - m_printer->write_strobe(!BIT(data, 3)); -} - -WRITE_LINE_MEMBER(mbc55x_state::printer_busy_w) -{ - m_printer_status = (m_printer_status & 0xef) | (state ? 0x10 : 0x00); -} - -WRITE_LINE_MEMBER(mbc55x_state::printer_paper_end_w) -{ - m_printer_status = (m_printer_status & 0xdf) | (state ? 0x20 : 0x00); -} - -WRITE_LINE_MEMBER(mbc55x_state::printer_select_w) -{ - m_printer_status = (m_printer_status & 0xbf) | (state ? 0x40 : 0x00); + map(0x1c, 0x1d).mirror(0x02).r(FUNC(mbc55x_state::mbc55x_kb_usart_r)).w(m_kb_uart, FUNC(i8251_device::write)); } +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_KEYBOARD) PORT_CODE(KEYCODE_BACKSPACE) PORT_CHAR(0x08) + 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) -void mbc55x_state::set_ram_size() -{ - address_space &space = m_maincpu->space( AS_PROGRAM ); - int ramsize = m_ram->size(); - int nobanks = ramsize / RAM_BANK_SIZE; - char bank[10]; - int bankno; - uint8_t *ram = &m_ram->pointer()[0]; - uint8_t *map_base; - int bank_base; - - - logerror("Ramsize is %d bytes\n",ramsize); - logerror("RAM_BANK_SIZE=%d, nobanks=%d\n",RAM_BANK_SIZE,nobanks); - - // Main memory mapping - - for(bankno=0; bankno<RAM_BANK_COUNT; bankno++) - { - sprintf(bank,"bank%x",bankno); - bank_base=bankno*RAM_BANK_SIZE; - map_base=&ram[bank_base]; - - if(bankno<nobanks) - { - membank(bank)->set_base(map_base); - space.install_readwrite_bank(bank_base, bank_base+(RAM_BANK_SIZE-1), bank); - logerror("Mapping bank %d at %05X to RAM\n",bankno,bank_base); - } - else - { - space.nop_readwrite(bank_base, bank_base+(RAM_BANK_SIZE-1)); - logerror("Mapping bank %d at %05X to NOP\n",bankno,bank_base); - } - } - - // Graphics red and blue plane memory mapping, green is in main memory - membank(RED_PLANE_TAG)->set_base(&m_video_mem[RED_PLANE_OFFSET]); - space.install_readwrite_bank(RED_PLANE_MEMBASE, RED_PLANE_MEMBASE+(COLOUR_PLANE_SIZE-1), RED_PLANE_TAG); - membank(BLUE_PLANE_TAG)->set_base(&m_video_mem[BLUE_PLANE_OFFSET]); - space.install_readwrite_bank(BLUE_PLANE_MEMBASE, BLUE_PLANE_MEMBASE+(COLOUR_PLANE_SIZE-1), BLUE_PLANE_TAG); -} +INPUT_PORTS_END -void mbc55x_state::machine_reset() -{ - set_ram_size(); -} -void mbc55x_state::machine_start() +void mbc55x_state::mbc55x_palette(palette_device &palette) const { - m_printer_status = 0xff; + logerror("initializing palette\n"); - m_kb_uart->write_cts(0); + palette.set_pen_colors(0, mbc55x_pens); } -static INPUT_PORTS_START( mbc55x ) -INPUT_PORTS_END - - FLOPPY_FORMATS_MEMBER( mbc55x_state::floppy_formats ) FLOPPY_PC_FORMAT FLOPPY_FORMATS_END @@ -222,8 +250,7 @@ static void mbc55x_floppies(device_slot_interface &device) } -void mbc55x_state::mbc55x(machine_config &config) -{ +MACHINE_CONFIG_START(mbc55x_state::mbc55x) /* basic machine hardware */ I8088(config, m_maincpu, 14.318181_MHz_XTAL / 4); m_maincpu->set_addrmap(AS_PROGRAM, &mbc55x_state::mbc55x_mem); @@ -233,7 +260,8 @@ void mbc55x_state::mbc55x(machine_config &config) m_maincpu->esc_data_handler().set("coproc", FUNC(i8087_device::addr_w)); i8087_device &i8087(I8087(config, "coproc", 14.318181_MHz_XTAL / 4)); - i8087.set_space_88(m_maincpu, AS_PROGRAM); + i8087.set_addrmap(AS_PROGRAM, &mbc55x_state::mbc55x_mem); + i8087.set_data_width(8); i8087.irq().set(m_pic, FUNC(pic8259_device::ir6_w)); i8087.busy().set_inputline("maincpu", INPUT_LINE_TEST); @@ -243,8 +271,7 @@ void mbc55x_state::mbc55x(machine_config &config) m_iodecode->addr_width(5); m_iodecode->set_addrmap(0, &mbc55x_state::mbc55x_iodecode); - mbc55x_keyboard_device &keyboard(MBC55X_KEYBOARD(config, "keyboard")); - keyboard.txd_callback().set(m_kb_uart, FUNC(i8251_device::write_rxd)); + I8049(config, "kbdc", 6_MHz_XTAL).set_disable(); /* video hardware */ screen_device &screen(SCREEN(config, SCREEN_TAG, SCREEN_TYPE_RASTER)); @@ -265,7 +292,7 @@ void mbc55x_state::mbc55x(machine_config &config) m_kb_uart->rts_handler().set(m_printer, FUNC(centronics_device::write_init)).invert(); m_kb_uart->rxrdy_handler().set(m_pic, FUNC(pic8259_device::ir3_w)); - PIT8253(config, m_pit); + PIT8253(config, m_pit, 0); m_pit->out_handler<0>().set(m_pic, FUNC(pic8259_device::ir0_w)); m_pit->out_handler<0>().append(m_pit, FUNC(pit8253_device::write_clk1)); m_pit->out_handler<1>().set(m_pic, FUNC(pic8259_device::ir1_w)); @@ -279,7 +306,7 @@ void mbc55x_state::mbc55x(machine_config &config) clk_78_6khz.signal_handler().append(m_kb_uart, FUNC(i8251_device::write_txc)); clk_78_6khz.signal_handler().append(m_kb_uart, FUNC(i8251_device::write_rxc)); - PIC8259(config, m_pic); + PIC8259(config, m_pic, 0); m_pic->out_int_callback().set_inputline(m_maincpu, INPUT_LINE_IRQ0); I8255(config, m_ppi); @@ -301,19 +328,18 @@ void mbc55x_state::mbc55x(machine_config &config) FD1793(config, m_fdc, 14.318181_MHz_XTAL / 14); // M5W1793-02P (clock is nominally 1 MHz) m_fdc->intrq_wr_callback().set(m_pic, FUNC(pic8259_device::ir5_w)); - FLOPPY_CONNECTOR(config, m_floppy[0], mbc55x_floppies, "qd", mbc55x_state::floppy_formats); - FLOPPY_CONNECTOR(config, m_floppy[1], mbc55x_floppies, "qd", mbc55x_state::floppy_formats); - FLOPPY_CONNECTOR(config, m_floppy[2], mbc55x_floppies, "", mbc55x_state::floppy_formats); - FLOPPY_CONNECTOR(config, m_floppy[3], mbc55x_floppies, "", mbc55x_state::floppy_formats); + MCFG_FLOPPY_DRIVE_ADD(m_floppy[0], mbc55x_floppies, "qd", mbc55x_state::floppy_formats) + MCFG_FLOPPY_DRIVE_ADD(m_floppy[1], mbc55x_floppies, "qd", mbc55x_state::floppy_formats) + MCFG_FLOPPY_DRIVE_ADD(m_floppy[2], mbc55x_floppies, "", mbc55x_state::floppy_formats) + MCFG_FLOPPY_DRIVE_ADD(m_floppy[3], mbc55x_floppies, "", mbc55x_state::floppy_formats) /* Software list */ - SOFTWARE_LIST(config, "disk_list").set_original("mbc55x"); + MCFG_SOFTWARE_LIST_ADD("disk_list","mbc55x") isa8_device &isa(ISA8(config, "isa", 14.318181_MHz_XTAL / 4)); - isa.set_memspace(m_maincpu, AS_PROGRAM); - isa.set_iospace(m_maincpu, AS_IO); + isa.set_cputag(m_maincpu); isa.irq7_callback().set(m_pic, FUNC(pic8259_device::ir7_w)); // all other IRQ and DRQ lines are NC - isa.iochck_callback().set_inputline(m_maincpu, INPUT_LINE_NMI).invert(); + //isa.iochck_callback().set_inputline(m_maincpu, INPUT_LINE_NMI)); ISA8_SLOT(config, "external", 0, "isa", pc_isa8_cards, nullptr, false); @@ -336,7 +362,7 @@ void mbc55x_state::mbc55x(machine_config &config) m_printer->busy_handler().append(m_pic, FUNC(pic8259_device::ir4_w)).invert(); m_printer->perror_handler().set(FUNC(mbc55x_state::printer_paper_end_w)); m_printer->select_handler().set(FUNC(mbc55x_state::printer_select_w)); -} +MACHINE_CONFIG_END ROM_START( mbc55x ) @@ -344,7 +370,11 @@ ROM_START( mbc55x ) ROM_SYSTEM_BIOS(0, "v120", "mbc55x BIOS v1.20 (1983)") ROMX_LOAD("mbc55x-v120.rom", 0x0000, 0x2000, CRC(b439b4b8) SHA1(6e8df0f3868e3fd0229a5c2720d6c01e46815cab), ROM_BIOS(0)) + + ROM_REGION(0x0800, "kbdc", 0) + ROM_LOAD("d8049hc.m1", 0x0000, 0x0800, NO_DUMP) ROM_END + // YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS COMP( 1983, mbc55x, 0, 0, mbc55x, mbc55x, mbc55x_state, empty_init, "Sanyo", "MBC-55x", 0 ) |