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Diffstat (limited to 'src/mame/drivers/bw2.cpp')
-rw-r--r--src/mame/drivers/bw2.cpp640
1 files changed, 0 insertions, 640 deletions
diff --git a/src/mame/drivers/bw2.cpp b/src/mame/drivers/bw2.cpp
deleted file mode 100644
index 6386c510cb2..00000000000
--- a/src/mame/drivers/bw2.cpp
+++ /dev/null
@@ -1,640 +0,0 @@
-// license:BSD-3-Clause
-// copyright-holders:Curt Coder
-/***************************************************************************
-
- drivers/bw2.c
-
- Bondwell BW 2
-
- - Z80L CPU 4MHz
- - 64KB RAM, expandable to 224KB RAM.
- - 4KB System ROM
- - MSM6255 LCD controller, 640x200 pixels
- - 16KB Video RAM
- - TMS2797 FDC controller
- - 8251 USART serial interface
- - 8253 PIT timer
- - 8255 PPI
-
- http://www.thebattles.net/bondwell/
-
- http://www.vintage-computer.com/bondwell2.shtml
-
- http://www2.okisemi.com/site/productscatalog/displaydrivers/availabledocuments/Intro-7090.html
-
-***************************************************************************/
-
-#include "emu.h"
-#include "includes/bw2.h"
-#include "bus/rs232/rs232.h"
-#include "screen.h"
-#include "softlist.h"
-
-
-//**************************************************************************
-// MACROS / CONSTANTS
-//**************************************************************************
-
-enum
-{
- RAM1 = 0,
- VRAM,
- RAM2,
- RAM3,
- RAM4,
- RAM5,
- RAM6,
- ROM
-};
-
-#define HAS_KB_OF_RAM(_kb) \
- (m_ram->size() >= (_kb * 1024))
-
-
-//**************************************************************************
-// ADDRESS DECODING
-//**************************************************************************
-
-//-------------------------------------------------
-// read -
-//-------------------------------------------------
-
-uint8_t bw2_state::read(offs_t offset)
-{
- int rom = 1, vram = 1, ram1 = 1, ram2 = 1, ram3 = 1, ram4 = 1, ram5 = 1, ram6 = 1;
-
- uint8_t data = 0xff;
-
- switch (m_bank)
- {
- case RAM1: ram1 = 0; break;
- case VRAM: vram = 0; break;
- case RAM2: ram2 = 0; break;
- case RAM3: ram3 = 0; break;
- case RAM4: ram4 = 0; break;
- case RAM5: ram5 = 0; break;
- case RAM6: ram6 = 0; break;
- case ROM: rom = 0; break;
- }
-
- if (offset < 0x8000)
- {
- if (!rom)
- data = m_rom->base()[offset & 0x3fff];
-
- if (!vram)
- data = m_video_ram[offset & 0x3fff];
-
- if (!ram1)
- data = m_ram->pointer()[offset];
-
- if (!ram2 && HAS_KB_OF_RAM(96))
- data = m_ram->pointer()[0x10000 | offset];
-
- if (!ram3 && HAS_KB_OF_RAM(128))
- data = m_ram->pointer()[0x18000 | offset];
-
- if (!ram4 && HAS_KB_OF_RAM(160))
- data = m_ram->pointer()[0x20000 | offset];
-
- if (!ram5 && HAS_KB_OF_RAM(192))
- data = m_ram->pointer()[0x28000 | offset];
-
- if (!ram6 && HAS_KB_OF_RAM(224))
- data = m_ram->pointer()[0x30000 | offset];
- }
- else
- {
- data = m_ram->pointer()[offset];
- }
-
- return m_exp->cd_r(offset, data, ram2, ram3, ram4, ram5, ram6);
-}
-
-
-//-------------------------------------------------
-// write -
-//-------------------------------------------------
-
-void bw2_state::write(offs_t offset, uint8_t data)
-{
- int vram = 1, ram1 = 1, ram2 = 1, ram3 = 1, ram4 = 1, ram5 = 1, ram6 = 1;
-
- switch (m_bank)
- {
- case RAM1: ram1 = 0; break;
- case VRAM: vram = 0; break;
- case RAM2: ram2 = 0; break;
- case RAM3: ram3 = 0; break;
- case RAM4: ram4 = 0; break;
- case RAM5: ram5 = 0; break;
- case RAM6: ram6 = 0; break;
- }
-
- if (offset < 0x8000)
- {
- if (!vram)
- m_video_ram[offset & 0x3fff] = data;
-
- if (!ram1)
- m_ram->pointer()[offset] = data;
-
- if (!ram2 && HAS_KB_OF_RAM(96))
- m_ram->pointer()[0x10000 | offset] = data;
-
- if (!ram3 && HAS_KB_OF_RAM(128))
- m_ram->pointer()[0x18000 | offset] = data;
-
- if (!ram4 && HAS_KB_OF_RAM(160))
- m_ram->pointer()[0x20000 | offset] = data;
-
- if (!ram5 && HAS_KB_OF_RAM(192))
- m_ram->pointer()[0x28000 | offset] = data;
-
- if (!ram6 && HAS_KB_OF_RAM(224))
- m_ram->pointer()[0x30000 | offset] = data;
- }
- else
- {
- m_ram->pointer()[offset] = data;
- }
-
- m_exp->cd_w(offset, data, ram2, ram3, ram4, ram5, ram6);
-}
-
-
-
-//**************************************************************************
-// ADDRESS MAPS
-//**************************************************************************
-
-//-------------------------------------------------
-// ADDRESS_MAP( bw2_mem )
-//-------------------------------------------------
-
-void bw2_state::bw2_mem(address_map &map)
-{
- map.unmap_value_high();
- map(0x0000, 0xffff).rw(FUNC(bw2_state::read), FUNC(bw2_state::write));
-}
-
-
-//-------------------------------------------------
-// ADDRESS_MAP( bw2_io )
-//-------------------------------------------------
-
-void bw2_state::bw2_io(address_map &map)
-{
- map.unmap_value_high();
- map.global_mask(0xff);
- map(0x00, 0x03).rw(I8255A_TAG, FUNC(i8255_device::read), FUNC(i8255_device::write));
- map(0x10, 0x13).rw(m_pit, FUNC(pit8253_device::read), FUNC(pit8253_device::write));
- map(0x20, 0x21).m(m_lcdc, FUNC(msm6255_device::map));
- map(0x30, 0x3f).rw(m_exp, FUNC(bw2_expansion_slot_device::slot_r), FUNC(bw2_expansion_slot_device::slot_w));
- map(0x40, 0x41).rw(m_uart, FUNC(i8251_device::read), FUNC(i8251_device::write));
- map(0x50, 0x50).w("cent_data_out", FUNC(output_latch_device::write));
- map(0x60, 0x63).rw(m_fdc, FUNC(wd2797_device::read), FUNC(wd2797_device::write));
- map(0x70, 0x7f).rw(m_exp, FUNC(bw2_expansion_slot_device::modsel_r), FUNC(bw2_expansion_slot_device::modsel_w));
-}
-
-
-//-------------------------------------------------
-// ADDRESS_MAP( lcdc_map )
-//-------------------------------------------------
-
-void bw2_state::lcdc_map(address_map &map)
-{
- map.global_mask(0x3fff);
- map(0x0000, 0x3fff).ram().share("videoram");
-}
-
-
-
-//**************************************************************************
-// INPUT PORTS
-//**************************************************************************
-
-//-------------------------------------------------
-// INPUT_PORTS( bw2 )
-//-------------------------------------------------
-
-/*
- Keyboard matrix
- X0 X1 X2 X3 X4 X5 X6 X7
- +-----+-----+-----+-----+-----+-----+-----+-----+
- Y9 |CAPS | | | | | | | |
- +-----+-----+-----+-----+-----+-----+-----+-----+
- Y8 |SHIFT| |SPACE| Z | A | Q | 2 " | F1 |
- +-----+-----+-----+-----+-----+-----+-----+-----+
- Y7 |CTRL | - = | \ | | X | S | W | 3 # | F2 |
- +-----+-----+-----+-----+-----+-----+-----+-----+
- Y6 | @ ` | P | UP | C | D | E | 4 $ | F3 |
- +-----+-----+-----+-----+-----+-----+-----+-----+
- Y5 | 1 ! | | | V | F | R | 5 % | F4 |
- +-----+-----+-----+-----+-----+-----+-----+-----+
- Y4 | ESC | | | B | G | T | 6 & | F5 |
- +-----+-----+-----+-----+-----+-----+-----+-----+
- Y3 | TAB | : * |ENTER| N | H | Y | 7 ' | F6 |
- +-----+-----+-----+-----+-----+-----+-----+-----+
- Y2 |DOWN | ^ ~ | [ { | M | J | U | 8 ( | F7 |
- +-----+-----+-----+-----+-----+-----+-----+-----+
- Y1 |RIGHT| ; + | ] } | , < | K | I | 9 ) | F8 |
- +-----+-----+-----+-----+-----+-----+-----+-----+
- Y0 |LEFT | BS | / ? | . > | L | O | 0 _ | DEL |
- +-----+-----+-----+-----+-----+-----+-----+-----+
-*/
-
-static INPUT_PORTS_START( bw2 )
- PORT_START("Y0")
- PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_LEFT) PORT_CHAR(UCHAR_MAMEKEY(LEFT))
- PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_BACKSPACE) PORT_CHAR(8)
- PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_SLASH) PORT_CHAR('/') PORT_CHAR('?')
- PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_STOP) PORT_CHAR('.') PORT_CHAR('>')
- PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_L) PORT_CHAR('l') PORT_CHAR('L')
- PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_O) PORT_CHAR('o') PORT_CHAR('O')
- PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_0) PORT_CHAR('0') PORT_CHAR('_')
- PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_DEL) PORT_CHAR(UCHAR_MAMEKEY(DEL))
-
- PORT_START("Y1")
- PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_RIGHT) PORT_CHAR(UCHAR_MAMEKEY(RIGHT))
- PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_COLON) PORT_CHAR(';') PORT_CHAR('+')
- PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_CLOSEBRACE) PORT_CHAR(']') PORT_CHAR('}')
- PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_COMMA) PORT_CHAR(',') PORT_CHAR('<')
- PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_K) PORT_CHAR('k') PORT_CHAR('K')
- PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_I) PORT_CHAR('i') PORT_CHAR('I')
- PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_9) PORT_CHAR('9') PORT_CHAR(')')
- PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F8) PORT_CHAR(UCHAR_MAMEKEY(F8))
-
- PORT_START("Y2")
- PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_DOWN) PORT_CHAR(UCHAR_MAMEKEY(DOWN))
- PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_TILDE) PORT_CHAR('^') PORT_CHAR('~')
- PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_OPENBRACE) PORT_CHAR('[') PORT_CHAR('{')
- PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_M) PORT_CHAR('m') PORT_CHAR('M')
- PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_J) PORT_CHAR('j') PORT_CHAR('J')
- PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_U) PORT_CHAR('u') PORT_CHAR('U')
- PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_8) PORT_CHAR('8') PORT_CHAR('(')
- PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F7) PORT_CHAR(UCHAR_MAMEKEY(F7))
-
- PORT_START("Y3")
- PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_TAB) PORT_CHAR(UCHAR_MAMEKEY(TAB))
- PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_EQUALS) PORT_CHAR(':') PORT_CHAR('*')
- PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_ENTER) PORT_CHAR(13)
- PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_N) PORT_CHAR('n') PORT_CHAR('N')
- PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_H) PORT_CHAR('h') PORT_CHAR('H')
- PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_Y) PORT_CHAR('y') PORT_CHAR('Y')
- PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_7) PORT_CHAR('7') PORT_CHAR('\'')
- PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F6) PORT_CHAR(UCHAR_MAMEKEY(F6))
-
- PORT_START("Y4")
- PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_ESC) PORT_CHAR(27)
- PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_UNUSED)
- PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_UNUSED)
- PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_B) PORT_CHAR('b') PORT_CHAR('B')
- PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_G) PORT_CHAR('g') PORT_CHAR('G')
- PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_T) PORT_CHAR('t') PORT_CHAR('T')
- PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_6) PORT_CHAR('6') PORT_CHAR('&')
- PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F5) PORT_CHAR(UCHAR_MAMEKEY(F5))
-
- PORT_START("Y5")
- PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_1) PORT_CHAR('1') 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_KEYBOARD) PORT_CODE(KEYCODE_V) PORT_CHAR('v') PORT_CHAR('V')
- PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F) PORT_CHAR('f') PORT_CHAR('F')
- PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_R) PORT_CHAR('r') PORT_CHAR('R')
- PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_5) PORT_CHAR('5') PORT_CHAR('%')
- PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F4) PORT_CHAR(UCHAR_MAMEKEY(F4))
-
- PORT_START("Y6")
- PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_QUOTE) PORT_CHAR('@') PORT_CHAR('`')
- PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_P) PORT_CHAR('p') PORT_CHAR('P')
- PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_UP) PORT_CHAR(UCHAR_MAMEKEY(UP))
- PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_C) PORT_CHAR('c') PORT_CHAR('C') PORT_CHAR(3)
- PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_D) PORT_CHAR('d') PORT_CHAR('D')
- PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_E) PORT_CHAR('e') PORT_CHAR('E')
- PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_4) PORT_CHAR('4') PORT_CHAR('$')
- PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F3) PORT_CHAR(UCHAR_MAMEKEY(F3))
-
- PORT_START("Y7")
- PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_LCONTROL) PORT_CHAR(UCHAR_SHIFT_2)
- PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_MINUS) PORT_CHAR('-') PORT_CHAR('=')
- PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_BACKSLASH) PORT_CHAR('\\') PORT_CHAR('|')
- PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_X) PORT_CHAR('x') PORT_CHAR('X')
- PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_S) PORT_CHAR('s') PORT_CHAR('S')
- PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_W) PORT_CHAR('w') PORT_CHAR('W')
- PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_3) PORT_CHAR('3') PORT_CHAR('#')
- PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F2) PORT_CHAR(UCHAR_MAMEKEY(F2))
-
- PORT_START("Y8")
- PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_LSHIFT) PORT_CODE(KEYCODE_RSHIFT) PORT_CHAR(UCHAR_SHIFT_1)
- PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_UNUSED)
- PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_SPACE) PORT_CHAR(' ')
- PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_Z) PORT_CHAR('z') PORT_CHAR('Z')
- PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_A) PORT_CHAR('a') PORT_CHAR('A')
- PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_Q) PORT_CHAR('q') PORT_CHAR('Q')
- PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_2) PORT_CHAR('2') PORT_CHAR('"')
- PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F1) PORT_CHAR(UCHAR_MAMEKEY(F1))
-
- PORT_START("Y9")
- PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_CAPSLOCK) PORT_CHAR(UCHAR_MAMEKEY(CAPSLOCK))
- 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)
-
- PORT_START("BAUD")
- PORT_CONFNAME( 0x05, 0x05, "Baud rate")
- PORT_CONFSETTING( 0x00, "9600 baud" )
- PORT_CONFSETTING( 0x01, "4800 baud" )
- PORT_CONFSETTING( 0x02, "2400 baud" )
- PORT_CONFSETTING( 0x03, "1200 baud" )
- PORT_CONFSETTING( 0x04, "600 baud" )
- PORT_CONFSETTING( 0x05, "300 baud" )
-INPUT_PORTS_END
-
-
-
-//**************************************************************************
-// DEVICE CONFIGURATION
-//**************************************************************************
-
-WRITE_LINE_MEMBER( bw2_state::write_centronics_busy )
-{
- m_centronics_busy = state;
-}
-
-//-------------------------------------------------
-// I8255A interface
-//-------------------------------------------------
-
-void bw2_state::ppi_pa_w(uint8_t data)
-{
- /*
-
- PA0 KB0 Keyboard line select 0
- PA1 KB1 Keyboard line select 1
- PA2 KB2 Keyboard line select 2
- PA3 KB3 Keyboard line select 3
- PA4 /DS0 Drive select 0
- PA5 /DS1 Drive select 1
- PA6 Select RS232 connector
- PA7 /STROBE to centronics printer
-
- */
-
- // keyboard
- m_kb = data & 0x0f;
-
- // drive select
- m_floppy = nullptr;
- if (BIT(data, 4)) m_floppy = m_floppy0->get_device();
- if (BIT(data, 5)) m_floppy = m_floppy1->get_device();
-
- m_fdc->set_floppy(m_floppy);
- if (m_floppy) m_floppy->mon_w(m_mtron);
-
- // centronics strobe
- m_centronics->write_strobe(BIT(data, 7));
-}
-
-uint8_t bw2_state::ppi_pb_r()
-{
- /*
-
- PB0 Keyboard column status of selected line
- PB1 Keyboard column status of selected line
- PB2 Keyboard column status of selected line
- PB3 Keyboard column status of selected line
- PB4 Keyboard column status of selected line
- PB5 Keyboard column status of selected line
- PB6 Keyboard column status of selected line
- PB7 Keyboard column status of selected line
-
- */
-
- uint8_t data = 0xff;
-
- if (m_kb < 10)
- {
- data = m_y[m_kb]->read();
- }
-
- return data;
-}
-
-void bw2_state::ppi_pc_w(uint8_t data)
-{
- /*
-
- PC0 Memory bank select
- PC1 Memory bank select
- PC2 Memory bank select
- PC3 Not connected
-
- */
-
- m_bank = data & 0x07;
-}
-
-uint8_t bw2_state::ppi_pc_r()
-{
- /*
-
- PC4 BUSY from centronics printer
- PC5 M/FDBK motor feedback
- PC6 RLSD Carrier detect from RS232
- PC7 /PROT Write protected disk
-
- */
-
- uint8_t data = m_bank;
-
- // centronics busy
- data |= m_centronics_busy << 4;
-
- // floppy motor
- data |= m_mfdbk << 5;
-
- // write protect
- if (m_floppy) data |= !m_floppy->wpt_r() << 7;
-
- return data;
-}
-
-//-------------------------------------------------
-// pit8253_config pit_intf
-//-------------------------------------------------
-
-WRITE_LINE_MEMBER( bw2_state::mtron_w )
-{
- m_mtron = state;
- m_mfdbk = !state;
-
- if (m_floppy) m_floppy->mon_w(m_mtron);
-}
-
-//-------------------------------------------------
-// floppy_format_type floppy_formats
-//-------------------------------------------------
-
-WRITE_LINE_MEMBER( bw2_state::fdc_drq_w )
-{
- if (state)
- {
- if (m_maincpu->state_int(Z80_HALT))
- {
- m_maincpu->set_input_line(INPUT_LINE_NMI, HOLD_LINE);
- }
- }
- else
- {
- m_maincpu->set_input_line(INPUT_LINE_NMI, CLEAR_LINE);
- }
-}
-
-void bw2_state::floppy_formats(format_registration &fr)
-{
- fr.add_mfm_containers();
- fr.add(FLOPPY_BW2_FORMAT);
-}
-
-static void bw2_floppies(device_slot_interface &device)
-{
- device.option_add("35dd", FLOPPY_35_DD); // Teac FD-35
-}
-
-
-
-//**************************************************************************
-// MACHINE INITIALIZATION
-//**************************************************************************
-
-
-void bw2_state::bw2_palette(palette_device &palette) const
-{
- palette.set_pen_color(0, 0xa5, 0xad, 0xa5);
- palette.set_pen_color(1, 0x31, 0x39, 0x10);
-}
-
-
-//-------------------------------------------------
-// MACHINE_START( bw2 )
-//-------------------------------------------------
-
-void bw2_state::machine_start()
-{
- // register for state saving
- save_item(NAME(m_kb));
- save_item(NAME(m_bank));
- save_item(NAME(m_mtron));
- save_item(NAME(m_mfdbk));
- save_item(NAME(m_centronics_busy));
-}
-
-
-
-//**************************************************************************
-// MACHINE DRIVERS
-//**************************************************************************
-
-//-------------------------------------------------
-// machine_config( bw2 )
-//-------------------------------------------------
-
-void bw2_state::bw2(machine_config &config)
-{
- // basic machine hardware
- Z80(config, m_maincpu, 16_MHz_XTAL / 4);
- m_maincpu->set_addrmap(AS_PROGRAM, &bw2_state::bw2_mem);
- m_maincpu->set_addrmap(AS_IO, &bw2_state::bw2_io);
-
- // video hardware
- screen_device &screen(SCREEN(config, SCREEN_TAG, SCREEN_TYPE_LCD));
- screen.set_refresh_hz(60);
- screen.set_screen_update(MSM6255_TAG, FUNC(msm6255_device::screen_update));
- screen.set_size(640, 200);
- screen.set_visarea(0, 640-1, 0, 200-1);
- screen.set_palette("palette");
-
- PALETTE(config, "palette", FUNC(bw2_state::bw2_palette), 2);
-
- // devices
- PIT8253(config, m_pit, 0);
- m_pit->set_clk<0>(16_MHz_XTAL / 4); // 8251 USART TXC, RXC
- m_pit->out_handler<0>().set(m_uart, FUNC(i8251_device::write_txc));
- m_pit->out_handler<0>().append(m_uart, FUNC(i8251_device::write_rxc));
- m_pit->set_clk<1>(11000); // LCD controller
- m_pit->out_handler<1>().set(m_pit, FUNC(pit8253_device::write_clk2));
- m_pit->set_clk<2>(0); // Floppy /MTRON
- m_pit->out_handler<2>().set(FUNC(bw2_state::mtron_w));
-
- i8255_device &ppi(I8255A(config, I8255A_TAG));
- ppi.out_pa_callback().set(FUNC(bw2_state::ppi_pa_w));
- ppi.in_pb_callback().set(FUNC(bw2_state::ppi_pb_r));
- ppi.in_pc_callback().set(FUNC(bw2_state::ppi_pc_r));
- ppi.out_pc_callback().set(FUNC(bw2_state::ppi_pc_w));
-
- MSM6255(config, m_lcdc, 16_MHz_XTAL);
- m_lcdc->set_addrmap(0, &bw2_state::lcdc_map);
- m_lcdc->set_screen(SCREEN_TAG);
-
- CENTRONICS(config, m_centronics, centronics_devices, "printer");
- m_centronics->busy_handler().set(FUNC(bw2_state::write_centronics_busy));
-
- output_latch_device &latch(OUTPUT_LATCH(config, "cent_data_out"));
- m_centronics->set_output_latch(latch);
-
- I8251(config, m_uart, 0);
- m_uart->txd_handler().set(RS232_TAG, FUNC(rs232_port_device::write_txd));
- m_uart->dtr_handler().set(RS232_TAG, FUNC(rs232_port_device::write_dtr));
- m_uart->rts_handler().set(RS232_TAG, FUNC(rs232_port_device::write_rts));
-
- rs232_port_device &rs232(RS232_PORT(config, RS232_TAG, default_rs232_devices, nullptr));
- rs232.rxd_handler().set(m_uart, FUNC(i8251_device::write_rxd));
- rs232.dsr_handler().set(m_uart, FUNC(i8251_device::write_dsr));
-
- WD2797(config, m_fdc, 16_MHz_XTAL / 16);
- m_fdc->intrq_wr_callback().set_inputline(m_maincpu, INPUT_LINE_IRQ0);
- m_fdc->drq_wr_callback().set(FUNC(bw2_state::fdc_drq_w));
-
- FLOPPY_CONNECTOR(config, WD2797_TAG":0", bw2_floppies, "35dd", bw2_state::floppy_formats);
- FLOPPY_CONNECTOR(config, WD2797_TAG":1", bw2_floppies, nullptr, bw2_state::floppy_formats);
- BW2_EXPANSION_SLOT(config, m_exp, 16_MHz_XTAL, bw2_expansion_cards, nullptr);
-
- // software list
- SOFTWARE_LIST(config, "flop_list").set_original("bw2");
-
- // internal ram
- RAM(config, RAM_TAG).set_default_size("64K").set_extra_options("96K,128K,160K,192K,224K");
-}
-
-
-
-//**************************************************************************
-// ROMS
-//**************************************************************************
-
-//-------------------------------------------------
-// ROM( bw2 )
-//-------------------------------------------------
-
-ROM_START( bw2 )
- ROM_REGION( 0x1000, Z80_TAG, 0 )
- ROM_DEFAULT_BIOS( "v20" )
- ROM_SYSTEM_BIOS( 0, "v12", "BW 2 v1.2" )
- ROMX_LOAD( "bw2-12.ic8", 0x0000, 0x1000, CRC(0ab42d10) SHA1(430b232631eee9b715151b8d191b7eb9449ac513), ROM_BIOS(0) )
- ROM_SYSTEM_BIOS( 1, "v20", "BW 2 v2.0" )
- ROMX_LOAD( "bw2-20.ic8", 0x0000, 0x1000, CRC(86f36471) SHA1(a3e2ba4edd50ff8424bb0675bdbb3b9f13c04c9d), ROM_BIOS(1) )
-ROM_END
-
-
-
-//**************************************************************************
-// SYSTEM DRIVERS
-//**************************************************************************
-
-// YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS
-COMP( 1985, bw2, 0, 0, bw2, bw2, bw2_state, empty_init, "Bondwell Holding", "Bondwell Model 2", MACHINE_NO_SOUND_HW )