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-rw-r--r--src/mame/drivers/mbc55x.cpp324
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 )