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-rw-r--r--src/mame/drivers/mbc55x.cpp324
1 files changed, 147 insertions, 177 deletions
diff --git a/src/mame/drivers/mbc55x.cpp b/src/mame/drivers/mbc55x.cpp
index aa8b1bb7041..73629a1945f 100644
--- a/src/mame/drivers/mbc55x.cpp
+++ b/src/mame/drivers/mbc55x.cpp
@@ -8,11 +8,6 @@
Phill Harvey-Smith
2011-01-29.
-
-ToDo:
-- Fix the sound
-- Add serial uart
-
*/
@@ -22,27 +17,14 @@ ToDo:
#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)
{
@@ -82,155 +64,145 @@ 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).r(FUNC(mbc55x_state::mbc55x_kb_usart_r)).w(m_kb_uart, FUNC(i8251_device::write));
+ map(0x1c, 0x1d).mirror(0x02).rw(m_kb_uart, FUNC(i8251_device::read), 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)
+uint8_t mbc55x_state::iodecode_r(offs_t offset)
+{
+ return m_iodecode->read8(offset >> 1);
+}
-INPUT_PORTS_END
+void mbc55x_state::iodecode_w(offs_t offset, uint8_t data)
+{
+ m_iodecode->write8(offset >> 1, data);
+}
+/* 8255 Configuration */
-void mbc55x_state::mbc55x_palette(palette_device &palette) const
+uint8_t mbc55x_state::game_io_r()
{
- logerror("initializing palette\n");
+ return 0xff;
+}
- palette.set_pen_colors(0, mbc55x_pens);
+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);
+}
+
+
+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);
+}
+
+void mbc55x_state::machine_reset()
+{
+ set_ram_size();
+}
+
+void mbc55x_state::machine_start()
+{
+ m_printer_status = 0xff;
+
+ m_kb_uart->write_cts(0);
+}
+
+
+static INPUT_PORTS_START( mbc55x )
+INPUT_PORTS_END
+
FLOPPY_FORMATS_MEMBER( mbc55x_state::floppy_formats )
FLOPPY_PC_FORMAT
@@ -250,7 +222,8 @@ static void mbc55x_floppies(device_slot_interface &device)
}
-MACHINE_CONFIG_START(mbc55x_state::mbc55x)
+void mbc55x_state::mbc55x(machine_config &config)
+{
/* basic machine hardware */
I8088(config, m_maincpu, 14.318181_MHz_XTAL / 4);
m_maincpu->set_addrmap(AS_PROGRAM, &mbc55x_state::mbc55x_mem);
@@ -260,8 +233,7 @@ MACHINE_CONFIG_START(mbc55x_state::mbc55x)
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_addrmap(AS_PROGRAM, &mbc55x_state::mbc55x_mem);
- i8087.set_data_width(8);
+ i8087.set_space_88(m_maincpu, AS_PROGRAM);
i8087.irq().set(m_pic, FUNC(pic8259_device::ir6_w));
i8087.busy().set_inputline("maincpu", INPUT_LINE_TEST);
@@ -271,7 +243,8 @@ MACHINE_CONFIG_START(mbc55x_state::mbc55x)
m_iodecode->addr_width(5);
m_iodecode->set_addrmap(0, &mbc55x_state::mbc55x_iodecode);
- I8049(config, "kbdc", 6_MHz_XTAL).set_disable();
+ mbc55x_keyboard_device &keyboard(MBC55X_KEYBOARD(config, "keyboard"));
+ keyboard.txd_callback().set(m_kb_uart, FUNC(i8251_device::write_rxd));
/* video hardware */
screen_device &screen(SCREEN(config, SCREEN_TAG, SCREEN_TYPE_RASTER));
@@ -292,7 +265,7 @@ MACHINE_CONFIG_START(mbc55x_state::mbc55x)
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, 0);
+ PIT8253(config, m_pit);
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));
@@ -306,7 +279,7 @@ MACHINE_CONFIG_START(mbc55x_state::mbc55x)
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, 0);
+ PIC8259(config, m_pic);
m_pic->out_int_callback().set_inputline(m_maincpu, INPUT_LINE_IRQ0);
I8255(config, m_ppi);
@@ -328,18 +301,19 @@ MACHINE_CONFIG_START(mbc55x_state::mbc55x)
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));
- 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)
+ 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);
/* Software list */
- MCFG_SOFTWARE_LIST_ADD("disk_list","mbc55x")
+ SOFTWARE_LIST(config, "disk_list").set_original("mbc55x");
isa8_device &isa(ISA8(config, "isa", 14.318181_MHz_XTAL / 4));
- isa.set_cputag(m_maincpu);
+ isa.set_memspace(m_maincpu, AS_PROGRAM);
+ isa.set_iospace(m_maincpu, AS_IO);
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));
+ isa.iochck_callback().set_inputline(m_maincpu, INPUT_LINE_NMI).invert();
ISA8_SLOT(config, "external", 0, "isa", pc_isa8_cards, nullptr, false);
@@ -362,7 +336,7 @@ MACHINE_CONFIG_START(mbc55x_state::mbc55x)
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 )
@@ -370,11 +344,7 @@ 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 )