diff options
Diffstat (limited to 'src/mame/drivers/mstation.cpp')
-rw-r--r-- | src/mame/drivers/mstation.cpp | 560 |
1 files changed, 560 insertions, 0 deletions
diff --git a/src/mame/drivers/mstation.cpp b/src/mame/drivers/mstation.cpp new file mode 100644 index 00000000000..d49478f0b56 --- /dev/null +++ b/src/mame/drivers/mstation.cpp @@ -0,0 +1,560 @@ +// license:BSD-3-Clause +// copyright-holders:Sandro Ronco +/*************************************************************************** + + CIDCO MailStation + + 22/10/2011 Preliminary driver by Sandro Ronco + + Hardware: + - Z80 CPU + - 29f080 8 Mbit flash + - 28SF040 4 Mbit flash (for user data) + - 128kb RAM + - 320x128 LCD + - RCV336ACFW 33.6kbps modem + + TODO: + - RCV336ACFW modem + - Add similar models (Mivo 100/150/200/250/350) + - New Mail led + - NVRAM + + More info: + http://www.fybertech.net/mailstation/info.php + +****************************************************************************/ + + +#include "emu.h" +#include "cpu/z80/z80.h" +#include "machine/intelfsh.h" +#include "machine/rp5c01.h" +#include "machine/ram.h" +#include "rendlay.h" + +class mstation_state : public driver_device +{ +public: + mstation_state(const machine_config &mconfig, device_type type, const char *tag) + : driver_device(mconfig, type, tag), + m_maincpu(*this, "maincpu"), + m_ram(*this, RAM_TAG) + { } + + required_device<cpu_device> m_maincpu; + required_device<ram_device> m_ram; + + intelfsh8_device *m_flashes[2]; + UINT8 m_bank1[2]; + UINT8 m_bank2[2]; + UINT8 *m_ram_base; + int m_flash_at_0x4000; + int m_flash_at_0x8000; + UINT8 *m_vram; + UINT8 m_screen_column; + UINT8 m_port2; + UINT8 m_irq; + UINT16 m_kb_matrix; + + DECLARE_READ8_MEMBER( flash_0x0000_read_handler ); + DECLARE_WRITE8_MEMBER( flash_0x0000_write_handler ); + DECLARE_READ8_MEMBER( flash_0x4000_read_handler ); + DECLARE_WRITE8_MEMBER( flash_0x4000_write_handler ); + DECLARE_READ8_MEMBER( flash_0x8000_read_handler ); + DECLARE_WRITE8_MEMBER( flash_0x8000_write_handler ); + DECLARE_READ8_MEMBER( modem_r ); + DECLARE_WRITE8_MEMBER( modem_w ); + + void lcd_w(UINT16 offset, int column, UINT8 data); + UINT8 lcd_r(UINT16 offset, int column); + DECLARE_READ8_MEMBER( lcd_right_r ); + DECLARE_WRITE8_MEMBER( lcd_right_w ); + DECLARE_READ8_MEMBER( lcd_left_r ); + DECLARE_WRITE8_MEMBER( lcd_left_w ); + + void refresh_memory(UINT8 bank, UINT8 chip_select); + DECLARE_READ8_MEMBER( bank1_r ); + DECLARE_WRITE8_MEMBER( bank1_w ); + DECLARE_READ8_MEMBER( bank2_r ); + DECLARE_WRITE8_MEMBER( bank2_w ); + + DECLARE_READ8_MEMBER( battery_status_r ); + DECLARE_WRITE8_MEMBER( port2_w ); + DECLARE_READ8_MEMBER( kb_r ); + DECLARE_WRITE8_MEMBER( kb_w ); + DECLARE_READ8_MEMBER( irq_r ); + DECLARE_WRITE8_MEMBER( irq_w ); + void refresh_ints(); + + DECLARE_WRITE_LINE_MEMBER( rtc_irq ); + + virtual void machine_start(); + virtual void machine_reset(); + UINT32 screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect); + DECLARE_PALETTE_INIT(mstation); + TIMER_DEVICE_CALLBACK_MEMBER(mstation_1hz_timer); + TIMER_DEVICE_CALLBACK_MEMBER(mstation_kb_timer); +}; + +READ8_MEMBER( mstation_state::flash_0x0000_read_handler ) +{ + return m_flashes[0]->read(offset); +} + +WRITE8_MEMBER( mstation_state::flash_0x0000_write_handler ) +{ + m_flashes[0]->write(offset, data); +} + +READ8_MEMBER( mstation_state::flash_0x4000_read_handler ) +{ + return m_flashes[m_flash_at_0x4000]->read(((m_bank1[0] & 0x3f)<<14) | offset); +} + +WRITE8_MEMBER( mstation_state::flash_0x4000_write_handler ) +{ + m_flashes[m_flash_at_0x4000]->write(((m_bank1[0] & 0x3f)<<14) | offset, data); +} + +READ8_MEMBER( mstation_state::flash_0x8000_read_handler ) +{ + return m_flashes[m_flash_at_0x8000]->read(((m_bank2[0] & 0x3f)<<14) | offset); +} + +WRITE8_MEMBER( mstation_state::flash_0x8000_write_handler ) +{ + m_flashes[m_flash_at_0x8000]->write(((m_bank2[0] & 0x3f)<<14) | offset, data); +} + +READ8_MEMBER( mstation_state::modem_r ) +{ + return 0xff; +} + +WRITE8_MEMBER( mstation_state::modem_w ) +{ +} + + +//*************************************************************************** +// video hardware emulation +//***************************************************************************/ + +void mstation_state::lcd_w(UINT16 offset, int column, UINT8 data) +{ + if (m_port2 & 0x08) + m_vram[(column * 240) + (offset % 240)] = data; + else + m_screen_column = data % 20; +} + +UINT8 mstation_state::lcd_r(UINT16 offset, int column) +{ + if (m_port2 & 0x08) + return m_vram[(column * 240) + (offset % 240)]; + else + return m_screen_column % 20; +} + +READ8_MEMBER ( mstation_state::lcd_left_r ) { return lcd_r(offset, m_screen_column); } +WRITE8_MEMBER( mstation_state::lcd_left_w ) { lcd_w(offset, m_screen_column, data); } +READ8_MEMBER ( mstation_state::lcd_right_r ) { return lcd_r(offset, m_screen_column + 20); } +WRITE8_MEMBER( mstation_state::lcd_right_w ) { lcd_w(offset, m_screen_column + 20, data); } + +UINT32 mstation_state::screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect) +{ + for (int x=0; x<40; x++) + for (int y=0; y<128; y++) + { + UINT8 data = m_vram[56 + y + x * 240]; + + for (int b=0; b<8; b++) + { + // columns are inverted (right to left) + int col = ((x < 20) ? 19 : 59) - x; + + bitmap.pix16(y, col*8 + b)= BIT(data, 0); + data >>= 1; + } + } + return 0; +} + +//*************************************************************************** +// Bankswitch +//***************************************************************************/ + +void mstation_state::refresh_memory(UINT8 bank, UINT8 chip_select) +{ + address_space& program = m_maincpu->space(AS_PROGRAM); + int &active_flash = (bank == 1 ? m_flash_at_0x4000 : m_flash_at_0x8000); + char bank_tag[6]; + + switch (chip_select) + { + case 0: // flash 0 + case 3: // flash 1 + if (active_flash < 0) + { + if (bank == 1) + program.install_readwrite_handler(0x4000, 0x7fff, 0, 0, read8_delegate(FUNC(mstation_state::flash_0x4000_read_handler), this), write8_delegate(FUNC(mstation_state::flash_0x4000_write_handler), this)); + else + program.install_readwrite_handler(0x8000, 0xbfff, 0, 0, read8_delegate(FUNC(mstation_state::flash_0x8000_read_handler), this), write8_delegate(FUNC(mstation_state::flash_0x8000_write_handler), this)); + } + + active_flash = chip_select ? 1 : 0; + break; + case 1: // banked RAM + sprintf(bank_tag,"bank%d", bank); + membank(bank_tag)->set_base(m_ram_base + (((bank == 1 ? m_bank1[0] : m_bank2[0]) & 0x07)<<14)); + program.install_readwrite_bank (bank * 0x4000, bank * 0x4000 + 0x3fff, bank_tag); + active_flash = -1; + break; + case 2: // left LCD panel + program.install_readwrite_handler(bank * 0x4000, bank * 0x4000 + 0x3fff, 0, 0, read8_delegate(FUNC(mstation_state::lcd_left_r), this), write8_delegate(FUNC(mstation_state::lcd_left_w), this)); + active_flash = -1; + break; + case 4: // right LCD panel + program.install_readwrite_handler(bank * 0x4000, bank * 0x4000 + 0x3fff, 0, 0, read8_delegate(FUNC(mstation_state::lcd_right_r), this), write8_delegate(FUNC(mstation_state::lcd_right_w), this)); + active_flash = -1; + break; + case 5: // modem + program.install_readwrite_handler(bank * 0x4000, bank * 0x4000 + 0x3fff, 0x07, 0, read8_delegate(FUNC(mstation_state::modem_r), this), write8_delegate(FUNC(mstation_state::modem_w), this)); + active_flash = -1; + break; + + default: + logerror("Unknown chip %02x mapped at %04x - %04x\n", chip_select, bank * 0x4000, bank * 0x4000 + 0x3fff); + program.unmap_readwrite(bank * 0x4000, bank * 0x4000 + 0x3fff); + active_flash = -1; + break; + } +} + +READ8_MEMBER( mstation_state::bank1_r ) +{ + return m_bank1[offset]; +} + +READ8_MEMBER( mstation_state::bank2_r ) +{ + return m_bank2[offset]; +} + +WRITE8_MEMBER( mstation_state::bank1_w ) +{ + m_bank1[offset] = data; + + refresh_memory(1, m_bank1[1] & 0x07); +} + +WRITE8_MEMBER( mstation_state::bank2_w ) +{ + m_bank2[offset] = data; + + refresh_memory(2, m_bank2[1] & 0x07); +} + + + +WRITE8_MEMBER( mstation_state::port2_w ) +{ + m_port2 = data; + + m_kb_matrix = (m_kb_matrix & 0xff) | ((data & 0x03)<<8); +} + +/* + IRQ bits (port 3) ordered by priority: + + bit 7: power down request + bit 5: real time clock + bit 6: modem + bit 4: 1 sec int + bit 3: unknown + bit 0: unknown + bit 1: keyboard int + bit 2: unknown +*/ + +void mstation_state::refresh_ints() +{ + if (m_irq != 0) + m_maincpu->set_input_line(0, HOLD_LINE); + else + m_maincpu->set_input_line(0, CLEAR_LINE); +} + +READ8_MEMBER( mstation_state::irq_r ) +{ + return m_irq; +} + +WRITE8_MEMBER( mstation_state::irq_w ) +{ + m_irq &= data; + + refresh_ints(); +} + +READ8_MEMBER( mstation_state::battery_status_r ) +{ + /* + bit 0-3 - unknown + bit 4-7 - battery status + */ + return 0xf0; +} + +WRITE8_MEMBER( mstation_state::kb_w ) +{ + m_kb_matrix = (m_kb_matrix & 0x300) | data; +} + +READ8_MEMBER( mstation_state::kb_r ) +{ + static const char *const bitnames[] = { "LINE0", "LINE1", "LINE2", "LINE3", "LINE4", + "LINE5", "LINE6", "LINE7", "LINE8", "LINE9" }; + UINT8 data = 0xff; + + for (int i=0; i<10; i++) + { + if (!(m_kb_matrix & (1<<i))) + data &= ioport(bitnames[i])->read(); + } + + return data; +} + + +static ADDRESS_MAP_START(mstation_mem, AS_PROGRAM, 8, mstation_state) + AM_RANGE(0x0000, 0x3fff) AM_READWRITE(flash_0x0000_read_handler, flash_0x0000_write_handler) + AM_RANGE(0x4000, 0x7fff) AM_READWRITE_BANK("bank1") // bank 1 + AM_RANGE(0x8000, 0xbfff) AM_READWRITE_BANK("bank2") // bank 2 + AM_RANGE(0xc000, 0xffff) AM_READWRITE_BANK("sysram") // system ram always first RAM bank +ADDRESS_MAP_END + +static ADDRESS_MAP_START(mstation_io , AS_IO, 8, mstation_state) + ADDRESS_MAP_GLOBAL_MASK(0xff) + AM_RANGE( 0x01, 0x01 ) AM_READWRITE(kb_r, kb_w) + AM_RANGE( 0x02, 0x02 ) AM_WRITE(port2_w) + AM_RANGE( 0x03, 0x03 ) AM_READWRITE(irq_r, irq_w) + AM_RANGE( 0x05, 0x06 ) AM_READWRITE(bank1_r, bank1_w) + AM_RANGE( 0x07, 0x08 ) AM_READWRITE(bank2_r, bank2_w) + AM_RANGE( 0x09, 0x09 ) AM_READ(battery_status_r) + AM_RANGE( 0x10, 0x1f ) AM_DEVREADWRITE("rtc", rp5c01_device, read, write) + //AM_RANGE( 0x2c, 0x2c ) printer +ADDRESS_MAP_END + + +/* Input ports */ +static INPUT_PORTS_START( mstation ) + PORT_START( "LINE0" ) + PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Main Menu") PORT_CODE( KEYCODE_HOME ) PORT_CHAR(UCHAR_MAMEKEY(HOME)) + PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Back") PORT_CODE( KEYCODE_DEL ) PORT_CHAR(UCHAR_MAMEKEY(END)) + PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Print") PORT_CODE( KEYCODE_F6 ) + PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("F1") PORT_CODE( KEYCODE_F1 ) PORT_CHAR(UCHAR_MAMEKEY(F1)) + PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("F2") PORT_CODE( KEYCODE_F2 ) PORT_CHAR(UCHAR_MAMEKEY(F2)) + PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("F3") PORT_CODE( KEYCODE_F3 ) PORT_CHAR(UCHAR_MAMEKEY(F3)) + PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("F4") PORT_CODE( KEYCODE_F4 ) PORT_CHAR(UCHAR_MAMEKEY(F4)) + PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("F5") PORT_CODE( KEYCODE_F5 ) PORT_CHAR(UCHAR_MAMEKEY(F5)) + + PORT_START( "LINE1" ) + PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_UNUSED ) + 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_END ) PORT_CHAR('@') + PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("A-A Size") PORT_CODE( KEYCODE_F7 ) + PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Check Spelling") PORT_CODE( KEYCODE_F8 ) + PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Get E-Mail") PORT_CODE( KEYCODE_F9 ) + PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("PG Up") PORT_CODE( KEYCODE_PGUP ) PORT_CHAR(UCHAR_MAMEKEY(PGUP)) + + PORT_START( "LINE2" ) + PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("\xc2\xb4") PORT_CODE( KEYCODE_0_PAD ) + PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE( KEYCODE_1 ) PORT_CHAR('1') PORT_CHAR('!') + PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE( KEYCODE_2 ) PORT_CHAR('2') PORT_CHAR('@') + PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE( KEYCODE_3 ) PORT_CHAR('3') PORT_CHAR('#') + PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE( KEYCODE_4 ) PORT_CHAR('4') PORT_CHAR('$') + PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE( KEYCODE_5 ) PORT_CHAR('5') PORT_CHAR('%') + 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_7 ) PORT_CHAR('7') PORT_CHAR('&') + + PORT_START( "LINE3" ) + PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE( KEYCODE_8 ) PORT_CHAR('8') PORT_CHAR('*') + PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE( KEYCODE_9 ) PORT_CHAR('9') PORT_CHAR('(') + PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE( KEYCODE_0 ) PORT_CHAR('0') PORT_CHAR(')') + PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE( KEYCODE_MINUS ) PORT_CHAR('-') PORT_CHAR('_') + PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE( KEYCODE_EQUALS ) PORT_CHAR('=') PORT_CHAR('+') + PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Backspace") PORT_CODE( KEYCODE_BACKSPACE ) PORT_CHAR(UCHAR_MAMEKEY(BACKSPACE)) + PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE( KEYCODE_BACKSLASH ) PORT_CHAR('\\') PORT_CHAR('|') + PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("PG Down") PORT_CODE( KEYCODE_PGDN ) PORT_CHAR(UCHAR_MAMEKEY(PGDN)) + + PORT_START( "LINE4" ) + PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Tab") PORT_CODE( KEYCODE_TAB ) PORT_CHAR(9) + PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE( KEYCODE_Q ) PORT_CHAR('q') PORT_CHAR('Q') + PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE( KEYCODE_W ) PORT_CHAR('w') PORT_CHAR('W') + PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE( KEYCODE_E ) PORT_CHAR('e') PORT_CHAR('E') + PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE( KEYCODE_R ) PORT_CHAR('r') PORT_CHAR('R') + 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_Y ) PORT_CHAR('y') PORT_CHAR('Y') + PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE( KEYCODE_U ) PORT_CHAR('u') PORT_CHAR('U') + + PORT_START( "LINE5" ) + PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE( KEYCODE_I ) PORT_CHAR('i') PORT_CHAR('I') + PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE( KEYCODE_O ) PORT_CHAR('o') PORT_CHAR('O') + PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE( KEYCODE_P ) PORT_CHAR('p') PORT_CHAR('P') + PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE( KEYCODE_OPENBRACE ) PORT_CHAR('[') PORT_CHAR('{') + PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE( KEYCODE_CLOSEBRACE ) PORT_CHAR(']') PORT_CHAR('}') + PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE( KEYCODE_COLON ) PORT_CHAR(';') PORT_CHAR(':') + PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE( KEYCODE_QUOTE ) PORT_CHAR('\'') PORT_CHAR('\"') + PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Enter") PORT_CODE( KEYCODE_ENTER ) PORT_CHAR(UCHAR_MAMEKEY(ENTER)) + + PORT_START( "LINE6" ) + PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("CapsLock") PORT_CODE( KEYCODE_CAPSLOCK ) PORT_CHAR(UCHAR_MAMEKEY(CAPSLOCK)) + PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE( KEYCODE_A ) PORT_CHAR('a') PORT_CHAR('A') + PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE( KEYCODE_S ) PORT_CHAR('s') PORT_CHAR('S') + PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE( KEYCODE_D ) PORT_CHAR('d') PORT_CHAR('D') + 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_G ) PORT_CHAR('g') PORT_CHAR('G') + PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE( KEYCODE_H ) PORT_CHAR('h') PORT_CHAR('H') + PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE( KEYCODE_J ) PORT_CHAR('j') PORT_CHAR('J') + + PORT_START( "LINE7" ) + PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE( KEYCODE_K ) PORT_CHAR('K') PORT_CHAR('K') + PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE( KEYCODE_L ) PORT_CHAR('l') PORT_CHAR('L') + PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE( KEYCODE_COMMA ) 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_SLASH ) PORT_CHAR('/') PORT_CHAR('?') + PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Up") PORT_CODE( KEYCODE_UP ) PORT_CHAR(UCHAR_MAMEKEY(UP)) + PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Down") PORT_CODE( KEYCODE_DOWN ) PORT_CHAR(UCHAR_MAMEKEY(DOWN)) + PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Right") PORT_CODE( KEYCODE_RIGHT ) PORT_CHAR(UCHAR_MAMEKEY(RIGHT)) + + PORT_START( "LINE8" ) + PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Left Shift") PORT_CODE( KEYCODE_LSHIFT ) PORT_CHAR(UCHAR_MAMEKEY(LSHIFT)) + PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE( KEYCODE_Z ) PORT_CHAR('z') PORT_CHAR('Z') + PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE( KEYCODE_X ) PORT_CHAR('x') PORT_CHAR('X') + PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE( KEYCODE_C ) PORT_CHAR('c') PORT_CHAR('C') + PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE( KEYCODE_V ) PORT_CHAR('v') PORT_CHAR('V') + PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE( KEYCODE_B ) PORT_CHAR('b') PORT_CHAR('B') + PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE( KEYCODE_N ) PORT_CHAR('n') PORT_CHAR('N') + PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE( KEYCODE_M ) PORT_CHAR('m') PORT_CHAR('M') + + PORT_START( "LINE9" ) + PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Function") PORT_CODE( KEYCODE_LCONTROL ) PORT_CHAR(UCHAR_MAMEKEY(LCONTROL)) + 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_NAME("Space") PORT_CODE( KEYCODE_SPACE ) 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_KEYBOARD ) PORT_NAME("Right Shift") PORT_CODE( KEYCODE_RSHIFT ) PORT_CHAR(UCHAR_SHIFT_1) + PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Left") PORT_CODE( KEYCODE_LEFT ) PORT_CHAR(UCHAR_MAMEKEY(LEFT)) +INPUT_PORTS_END + +void mstation_state::machine_start() +{ + m_flashes[0] = machine().device<intelfsh8_device>("flash0"); + m_flashes[1] = machine().device<intelfsh8_device>("flash1"); + + // allocate the videoram + m_vram = (UINT8*)machine().memory().region_alloc( "vram", 9600, 1, ENDIANNESS_LITTLE )->base(); + m_ram_base = (UINT8*)m_ram->pointer(); + + // map firsh RAM bank at 0xc000-0xffff + membank("sysram")->set_base(m_ram_base); +} + + +void mstation_state::machine_reset() +{ + m_flash_at_0x4000 = 0; + m_flash_at_0x8000 = 0; + m_bank1[0] = m_bank1[1] = 0; + m_bank2[0] = m_bank2[1] = 0; + memset(m_vram, 0, 9600); + + // reset banks + refresh_memory(1, m_bank1[1]); + refresh_memory(2, m_bank2[1]); +} + +WRITE_LINE_MEMBER( mstation_state::rtc_irq ) +{ + if (state) + m_irq |= (1<<5); + else + m_irq &=~(1<<5); + + refresh_ints(); +} + +TIMER_DEVICE_CALLBACK_MEMBER(mstation_state::mstation_1hz_timer) +{ + m_irq |= (1<<4); + + refresh_ints(); +} + +TIMER_DEVICE_CALLBACK_MEMBER(mstation_state::mstation_kb_timer) +{ + m_irq |= (1<<1); + + refresh_ints(); +} + +PALETTE_INIT_MEMBER(mstation_state, mstation) +{ + palette.set_pen_color(0, rgb_t(138, 146, 148)); + palette.set_pen_color(1, rgb_t(92, 83, 88)); +} + + +static MACHINE_CONFIG_START( mstation, mstation_state ) + /* basic machine hardware */ + MCFG_CPU_ADD("maincpu",Z80, XTAL_4MHz) //unknown clock + MCFG_CPU_PROGRAM_MAP(mstation_mem) + MCFG_CPU_IO_MAP(mstation_io) + + /* video hardware */ + MCFG_SCREEN_ADD("screen", LCD) + MCFG_SCREEN_REFRESH_RATE(50) + MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500)) /* not accurate */ + MCFG_SCREEN_UPDATE_DRIVER(mstation_state, screen_update) + MCFG_SCREEN_SIZE(320, 128) + MCFG_SCREEN_VISIBLE_AREA(0, 320-1, 0, 128-1) + MCFG_SCREEN_PALETTE("palette") + + MCFG_PALETTE_ADD("palette", 2) + MCFG_PALETTE_INIT_OWNER(mstation_state, mstation) + MCFG_DEFAULT_LAYOUT(layout_lcd) + + MCFG_AMD_29F080_ADD("flash0") + MCFG_SST_28SF040_ADD("flash1") + + // IRQ 4 is generated every second, used for auto power off + MCFG_TIMER_DRIVER_ADD_PERIODIC("1hz_timer", mstation_state, mstation_1hz_timer, attotime::from_hz(1)) + + // IRQ 1 is used for scan the kb and for cursor blinking + MCFG_TIMER_DRIVER_ADD_PERIODIC("kb_timer", mstation_state, mstation_kb_timer, attotime::from_hz(50)) + + MCFG_DEVICE_ADD("rtc", RP5C01, XTAL_32_768kHz) + MCFG_RP5C01_OUT_ALARM_CB(WRITELINE(mstation_state, rtc_irq)) + + /* internal ram */ + MCFG_RAM_ADD(RAM_TAG) + MCFG_RAM_DEFAULT_SIZE("128K") +MACHINE_CONFIG_END + +/* ROM definition */ +ROM_START( mstation ) + ROM_REGION( 0x100000, "flash0", ROMREGION_ERASEFF ) + ROM_SYSTEM_BIOS( 0, "v303a", "v3.03a" ) + ROMX_LOAD( "ms303a.bin", 0x000000, 0x100000, CRC(7a5cf752) SHA1(15629ccaecd8094dd883987bed94c16eee6de7c2), ROM_BIOS(1)) + ROM_SYSTEM_BIOS( 1, "v253", "v2.53" ) + ROMX_LOAD( "ms253.bin", 0x000000, 0x0fc000, BAD_DUMP CRC(a27e7f8b) SHA1(ae5a0aa0f1e23f3b183c5c0bcf4d4c1ae54b1798), ROM_BIOS(2)) +ROM_END + +/* Driver */ + +/* YEAR NAME PARENT COMPAT MACHINE INPUT INIT COMPANY FULLNAME FLAGS */ +COMP( 1999, mstation, 0, 0, mstation, mstation, driver_device, 0, "CIDCO", "MailStation", MACHINE_NOT_WORKING | MACHINE_NO_SOUND ) |