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Diffstat (limited to 'src/mame/drivers/nakajies.cpp')
-rw-r--r-- | src/mame/drivers/nakajies.cpp | 835 |
1 files changed, 835 insertions, 0 deletions
diff --git a/src/mame/drivers/nakajies.cpp b/src/mame/drivers/nakajies.cpp new file mode 100644 index 00000000000..29b2ba35af8 --- /dev/null +++ b/src/mame/drivers/nakajies.cpp @@ -0,0 +1,835 @@ +// license:BSD-3-Clause +// copyright-holders:Wilbert Pol,Sandro Ronco +/****************************************************************************** + + Driver for the ES-2xx series electronic typewriters made by Nakajima. + +Nakajima was the OEM manufacturer for a series of typewriters which were +sold by different brands around the world. The PCB layouts for these +machines are the same. The models differed in the amount of (static) RAM: +128KB or 256KB; and in the system rom (mainly only different language +support). + + +Model | SRAM | Language | Branded model +--------+-------+----------+---------------------- +ES-210N | 128KB | German | Walther ES-210 +ES-220 | 128KB | English | NTS DreamWriter T100 +ES-220 | 256KB | English | NTS DreamWriter T400 +ES-210N | 128KB | Spanish | Dator 3000 +ES-210N | 128KB | English | NTS DreamWriter 325 +ES-250 | xxxKB | English | NTS DreamWriter T200 + + +The LCD is driven by 6x Sanyo LC7940 and 1x Sanyo LC7942. + + +The keyboard matrix: + + | | | | | | | | | + | | | | | | | | | +-- LSHIFT -- ----- LEFT --- ENTER -- -- -- -- RSHIFT -- --- + | | | | | | | | | +-- 3 ------- Q ----- W ------ E ------ S -- D -- -- 2 ------- --- + | | | | | | | | | +-- 4 ------- Z ----- X ------ A ------ R -- F -- -- ------- --- + | | | | | | | | | +-- ------- B ----- V ------ T ------ G -- C -- Y -- ------- --- + | | | | | | | | | +-- CTRL ---- 1 ----- TAB ---- ------ -- -- -- CAPS ---- --- + | | | | | | | | | +-- ALT ----- CAN --- SPACE -- ------ 5 -- -- -- ` ------- --- + | | | | | | | | | +-- ------- INS --- RIGHT -- \ ------ H -- N -- / -- DOWN ---- 6 --- + | | | | | | | | | +-- ------- ORGN -- UP ----- WP ----- M -- K -- U -- 7 ------- = --- + | | | | | | | | | +-- ------- ] ----- [ ------ ' ------ J -- , -- I -- - ------- 8 --- + | | | | | | | | | +-- ------- BACK -- P ------ ; ------ O -- . -- L -- 9 ------- 0 --- + | | | | | | | | | + | | | | | | | | | + + + +NTS information from http://web.archive.org/web/19980205154137/nts.dreamwriter.com/dreamwt4.html: + +File Management & Memory: + +- Uniquely name up to 128 files +- Recall, rename or delete files +- Copy files to and from PCMCIA Memory card +- PCMCIA Memory expansion cards available for 60 or 250 pages of text +- Working memory allows up to 20 pages of text (50KB) to be displayed +- Storage memory allows up to 80 pages of text (128KB) in total +- DreamLink software exports and imports documents in RTF retaining all + formatting to Macintosh or Windows PC to all commonly used Word Processing programs +- Transfer cable provided compatible to both Macintosh and Windows PC's. +- T400 is field upgradeable to IR with the optional Infrared module. + +Hardware: + +- LCD Screen displays 8 lines by 80 characters raised and tilted 30 degrees +- Contrast Dial and feet adjust to user preference +- Parallel and Serial ports( IR Upgrade Optional) for connectivity to printers, Macintosh and Windows PC's +- Full size 64 key keyboard with color coded keys and quick reference menu bar +- NiCad rechargeable batteries for up to 8 hours of continuous use prior to recharging +- AC adapter for recharging batteries is lightweight and compact design +- NEC V20HL 9.83 MHz processor for fast response time +- Durable solid state construction weighing 2.2 lbs including battery pack +- Dimensions approximately 11" wide by 8" long by 1" deep +- FCC and CSA approved + + +I/O Map: + +0000 - unknown + 0x00 written during boot sequence + +0010 - unknown + 0x17 written during boot sequence + +0011 - unknown + 0x1e written during boot sequence + +0012 - unknown + 0x1f written during boot sequence + +0013 - unknown + 0x1e written during boot sequence + +0014 - unknown + 0x1d written during boot sequence + +0015 - unknown + 0x1c written during boot sequence + +0012-0015 - banking? +T200: +Time: 15 - 02; call ADxxx +Database: 15 - 02; call B3xxx +Spreadsheet: 15 - 02; call B9xxx + +T450: +Regular boot: 12 - 1f; 13 - 1e; 14 - 1d; 15 - 1c +Typing game: 15 - 02; call B100:0; +Edit Text: 12 - 07; 13 - 06; 14 - 05; 15 - 04; call 4000:0000 +c000:0000 - ffff:ffff = not banked? + +T400, wales210: +Regular boot: 12 - 1f; 13 - 1e; 14 - 1d; 15 - 1c +Next step during boot: 12 - 17; 13 - 3; 14 - 2; jump to 3000:0000 +writing 17 to port 12 maps rom offset 30000 to 3000:0000? + +1f, 1e, 1d, 1c is banked RAM ?? + +banking possibility: +0010-0017 - control banking: +0010 - 00000 - 1ffff +0011 - 20000 - 3ffff +0012 - 40000 - 5ffff +0013 - 60000 - 7ffff +0014 - 80000 - 9ffff +0015 - a0000 - bffff +0016 - c0000 - dffff +0017 - e0000 - fffff + +values 00-0f select a rom bank + 00 - selects last 20000h region of rom + 01 - 20000h region before last + 02 - etc + +values 10-1f select a ram bank + +on reset 0017 is set to 0, pointing to last 20000h bytes of ROM containing the boot setup code + + +0016 - unknown + 0x01 written during boot sequence + +0017 - unknown + 0x00 written during boot sequence + +0020 - unknown + 0x00 written during boot sequence + +0030 - unknown + Looking at code at C0769 bit 5 this seems to be used + as some kind of clock for data that was written to + I/O port 0040h. + +0040 - unknown + 0xff written during boot sequence + +Sounds related? +On boot: 50 = 98, 51 = 06, 52 = 7f + 52 = ff + 50 - 26, 51 = 01, 52 = 7f + 52 = ff + (mem check) + 50 = 98, 51 = 06, 52 = 7f + 52 = ff + 50 = 74, 51 = 04, 52 = 7f + 52 = ff + 50 = 98, 51 = 06, 52 = 7f + 52 = ff + (menu) + (type 1 - medium frequency sound ) + 50 = 5d, 51 = 01, 52 = 7f + 52 = ff + 52 = ff + 52 = ff + 50 = 00, 51 = 01, 52 = 7f + 52 = ff + (type 2 - simple lower sound) + 50 = ba, 51 = 02, 52 = 7f + 52 = ff + (type 3 - highest frequency sound) + 50 = 26, 51 = 01, 52 = 7f + 52 = ff + 50 = 06, 51 = 01, 52 = 7f + 52 = ff + 50 = e9, 51 = 00, 52 = 7f + 52 = ff + 50 = dc, 51 = 00, 52 = 7f + 52 = ff + 50 = c4, 51 = 00, 52 = 7f + 52 = ff +0050 - counter low? +0051 - counter high? +0052 - counter enable/disable? + +0060 - Irq enable/disable (?) + 0xff written at start of boot sequence + 0x7e written just before enabling interrupts + +0061 - unknown + 0xFE written in irq 0xFB handler + +0070 - uknown 0x01 is written when going to terminal mode (enable rs232 receive?) + +0090 - Interrupt source clear + b7 - 1 = clear interrupt source for irq vector 0xf8 + b6 - 1 = clear interrupt source for irq vector 0xf9 + b5 - 1 = clear interrupt source for irq vector 0xfa + b4 - 1 = clear interrupt source for irq vector 0xfb + b3 - 1 = clear interrupt source for irq vector 0xfc + b2 - 1 = clear interrupt source for irq vector 0xfd + b1 - 1 = clear interrupt source for irq vector 0xfe + b0 - 1 = clear interrupt source for irq vector 0xff + +00A0 - unknown + Read during initial boot sequence, expects to have bit 3 set at least once durnig the boot sequence + +00D0 - 00DC - Keyboard?? + +00DD - unknown + 0xf8 written during boot sequence + +00DE - unknown + 0xf0 written during boot sequence + + +IRQ 0xF8: +The handler clears the irq active bit and copies a word from 6D79 to 6D85 and +from 6D7B to 6D87 then enters an endless loop (with interrupts disabled). +Perhaps power on/off related?? + + +IRQ 0xF9: (T400: C049A) +Purpose unknown. IRQ handler clear bit 0 of 6DA9. + + +IRQ 0xFA: (T400: C04AE) +Purpose unknown. Expects 6D4F to be set up properly. Enables irq 0xFD. Reads +from input port 0xB0 and resets and sets bit 0 of output port 0x61. + + +IRQ 0xFB: (T400: C04D1) +Purpose unknown. Reads from input port 0xB0, sets bit 7 of 6D28 when +non-zero data was read. + + +IRQ 0xFC: (T400: C0550) +Purpose unknown. Reads from input port 0xC1 and 0xC0 and possibly outputs +something to output port 0xC1 depending on data read from 0xC1. + + +IRQ 0xFD: (T400: C0724) +Purpose unknown. Clears bit 3 of 70A5. + + +IRQ 0xFE: (T400: C0738) +Purpose unknown. Expects 6D4F to be set up properly. Enables irq 0xf9 or outputs +a byte to ports 0x40 and 0x30. No endless loop. + + +IRQ 0xFF: +This does some simple processing and then enters an endless loop (with interrupts +disabled). Perhaps power on/off related?? + +******************************************************************************/ + + +#include "emu.h" +#include "cpu/nec/nec.h" +#include "machine/rp5c01.h" +#include "sound/speaker.h" +#include "rendlay.h" + + +#define LOG 0 + + +class nakajies_state : public driver_device +{ +public: + nakajies_state(const machine_config &mconfig, device_type type, const char *tag) + : driver_device(mconfig, type, tag), + m_maincpu(*this, "v20hl") + {} + + required_device<cpu_device> m_maincpu; + + virtual void machine_start(); + virtual void machine_reset(); + UINT32 screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect); + + void nakajies_update_irqs(); + DECLARE_READ8_MEMBER( irq_clear_r ); + DECLARE_WRITE8_MEMBER( irq_clear_w ); + DECLARE_READ8_MEMBER( irq_enable_r ); + DECLARE_WRITE8_MEMBER( irq_enable_w ); + DECLARE_READ8_MEMBER( unk_a0_r ); + DECLARE_WRITE8_MEMBER( lcd_memory_start_w ); + DECLARE_READ8_MEMBER( keyboard_r ); + DECLARE_WRITE8_MEMBER( banking_w ); + void update_banks(); + void bank_w(UINT8 banknr, offs_t offset, UINT8 data); + DECLARE_WRITE8_MEMBER( bank0_w ); + DECLARE_WRITE8_MEMBER( bank1_w ); + DECLARE_WRITE8_MEMBER( bank2_w ); + DECLARE_WRITE8_MEMBER( bank3_w ); + DECLARE_WRITE8_MEMBER( bank4_w ); + DECLARE_WRITE8_MEMBER( bank5_w ); + DECLARE_WRITE8_MEMBER( bank6_w ); + DECLARE_WRITE8_MEMBER( bank7_w ); + + /* IRQ handling */ + UINT8 m_irq_enabled; + UINT8 m_irq_active; + + UINT8 m_lcd_memory_start; + UINT8* m_ram_base1; + + UINT8 m_matrix; + + /* ROM */ + UINT8 *m_rom_base; + UINT32 m_rom_size; + + /* RAM */ + UINT8 *m_ram_base; + UINT32 m_ram_size; + + /* Banking */ + UINT8 m_bank[8]; + UINT8 *m_bank_base[8]; + DECLARE_PALETTE_INIT(nakajies); + DECLARE_INPUT_CHANGED_MEMBER(trigger_irq); + TIMER_DEVICE_CALLBACK_MEMBER(kb_timer); +}; + + +#define X301 19660000 + + +void nakajies_state::update_banks() +{ + for( int i = 0; i < 8; i++ ) + { + if ( m_bank[i] & 0x10 ) + { + /* RAM banking */ + /* Not entirely sure if bank 0x1f refers to first or second ram bank ... */ + m_bank_base[i] = m_ram_base + ( ( ( ( m_bank[i] & 0x0f ) ^ 0xf ) << 17 ) % m_ram_size ); + } + else + { + /* ROM banking */ + /* 0 is last bank, 1 bank before last, etc */ + m_bank_base[i] = m_rom_base + ( ( ( ( m_bank[i] & 0x0f ) ^ 0xf ) << 17 ) % m_rom_size ); + } + } + membank( "bank0" )->set_base( m_bank_base[0] ); + membank( "bank1" )->set_base( m_bank_base[1] ); + membank( "bank2" )->set_base( m_bank_base[2] ); + membank( "bank3" )->set_base( m_bank_base[3] ); + membank( "bank4" )->set_base( m_bank_base[4] ); + membank( "bank5" )->set_base( m_bank_base[5] ); + membank( "bank6" )->set_base( m_bank_base[6] ); + membank( "bank7" )->set_base( m_bank_base[7] ); +} + +void nakajies_state::bank_w( UINT8 banknr, offs_t offset, UINT8 data ) +{ + if ( m_bank[banknr] & 0x10 ) + { + m_bank_base[banknr][offset] = data; + } +} + +WRITE8_MEMBER( nakajies_state::bank0_w ) { bank_w( 0, offset, data ); } +WRITE8_MEMBER( nakajies_state::bank1_w ) { bank_w( 1, offset, data ); } +WRITE8_MEMBER( nakajies_state::bank2_w ) { bank_w( 2, offset, data ); } +WRITE8_MEMBER( nakajies_state::bank3_w ) { bank_w( 3, offset, data ); } +WRITE8_MEMBER( nakajies_state::bank4_w ) { bank_w( 4, offset, data ); } +WRITE8_MEMBER( nakajies_state::bank5_w ) { bank_w( 5, offset, data ); } +WRITE8_MEMBER( nakajies_state::bank6_w ) { bank_w( 6, offset, data ); } +WRITE8_MEMBER( nakajies_state::bank7_w ) { bank_w( 7, offset, data ); } + + +static ADDRESS_MAP_START( nakajies_map, AS_PROGRAM, 8, nakajies_state ) + AM_RANGE( 0x00000, 0x1ffff ) AM_READ_BANK( "bank0" ) AM_WRITE( bank0_w ) + AM_RANGE( 0x20000, 0x3ffff ) AM_READ_BANK( "bank1" ) AM_WRITE( bank1_w ) + AM_RANGE( 0x40000, 0x5ffff ) AM_READ_BANK( "bank2" ) AM_WRITE( bank2_w ) + AM_RANGE( 0x60000, 0x7ffff ) AM_READ_BANK( "bank3" ) AM_WRITE( bank3_w ) + AM_RANGE( 0x80000, 0x9ffff ) AM_READ_BANK( "bank4" ) AM_WRITE( bank4_w ) + AM_RANGE( 0xa0000, 0xbffff ) AM_READ_BANK( "bank5" ) AM_WRITE( bank5_w ) + AM_RANGE( 0xc0000, 0xdffff ) AM_READ_BANK( "bank6" ) AM_WRITE( bank6_w ) + AM_RANGE( 0xe0000, 0xfffff ) AM_READ_BANK( "bank7" ) AM_WRITE( bank7_w ) +ADDRESS_MAP_END + + +/********************************************* + IRQ Handling +*********************************************/ + +void nakajies_state::nakajies_update_irqs() +{ + // Hack: IRQ mask is temporarily disabled because doesn't allow the IRQ vector 0xFA + // and 0xFB that are used for scan the kb, this need further investigation. + UINT8 irq = m_irq_active; // & m_irq_enabled; + UINT8 vector = 0xff; + + if (LOG) + logerror("nakajies_update_irqs: irq_enabled = %02x, irq_active = %02x\n", m_irq_enabled, m_irq_active ); + + /* Assuming irq 0xFF has the highest priority and 0xF8 the lowest */ + while( vector >= 0xf8 && ! ( irq & 0x01 ) ) + { + irq >>= 1; + vector -= 1; + } + + if ( vector >= 0xf8 ) + { + m_maincpu->set_input_line_and_vector(0, ASSERT_LINE, vector ); + } + else + { + m_maincpu->set_input_line(0, CLEAR_LINE ); + } +} + + +READ8_MEMBER( nakajies_state::irq_clear_r ) +{ + return 0x00; +} + + +WRITE8_MEMBER( nakajies_state::irq_clear_w ) +{ + m_irq_active &= ~data; + nakajies_update_irqs(); +} + + +READ8_MEMBER( nakajies_state::irq_enable_r ) +{ + return m_irq_enabled; +} + + +WRITE8_MEMBER( nakajies_state::irq_enable_w ) +{ + m_irq_enabled = data; + nakajies_update_irqs(); +} + + +/* + I/O Port a0: + bit 7-4 - unknown + bit 3 - battery low (when set) + bit 2-0 - unknown +*/ +READ8_MEMBER( nakajies_state::unk_a0_r ) +{ + return 0xf7; +} + +WRITE8_MEMBER( nakajies_state::lcd_memory_start_w ) +{ + m_lcd_memory_start = data; +} + + +WRITE8_MEMBER( nakajies_state::banking_w ) +{ + m_bank[offset] = data; + update_banks(); +} + + +READ8_MEMBER( nakajies_state::keyboard_r ) +{ + static const char *const bitnames[] = { "ROW0", "ROW1", "ROW2", "ROW3", "ROW4", + "ROW5", "ROW6", "ROW7", "ROW8", "ROW9" }; + + return (m_matrix > 0x00) ? ioport(bitnames[m_matrix - 1])->read() : 0; +} + + +static ADDRESS_MAP_START( nakajies_io_map, AS_IO, 8, nakajies_state ) + AM_RANGE( 0x0000, 0x0000 ) AM_WRITE( lcd_memory_start_w ) + AM_RANGE( 0x0010, 0x0017 ) AM_WRITE( banking_w ) + AM_RANGE( 0x0060, 0x0060 ) AM_READWRITE( irq_enable_r, irq_enable_w ) + AM_RANGE( 0x0090, 0x0090 ) AM_READWRITE( irq_clear_r, irq_clear_w ) + AM_RANGE( 0x00a0, 0x00a0 ) AM_READ( unk_a0_r ) + AM_RANGE( 0x00b0, 0x00b0 ) AM_READ( keyboard_r ) + AM_RANGE( 0x00d0, 0x00df ) AM_DEVREADWRITE("rtc", rp5c01_device, read, write) +ADDRESS_MAP_END + + +INPUT_CHANGED_MEMBER(nakajies_state::trigger_irq) +{ + UINT8 irqs = ioport( "debug" )->read(); + + m_irq_active |= irqs; + nakajies_update_irqs(); +} + + +static INPUT_PORTS_START( nakajies ) + PORT_START( "debug" ) + PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE( KEYCODE_F1 ) PORT_NAME( "irq 0xff" ) PORT_CHANGED_MEMBER(DEVICE_SELF, nakajies_state, trigger_irq, NULL ) + PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE( KEYCODE_F2 ) PORT_NAME( "irq 0xfe" ) PORT_CHANGED_MEMBER(DEVICE_SELF, nakajies_state, trigger_irq, NULL ) + PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE( KEYCODE_F3 ) PORT_NAME( "irq 0xfd" ) PORT_CHANGED_MEMBER(DEVICE_SELF, nakajies_state, trigger_irq, NULL ) + PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE( KEYCODE_F4 ) PORT_NAME( "irq 0xfc" ) PORT_CHANGED_MEMBER(DEVICE_SELF, nakajies_state, trigger_irq, NULL ) + PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE( KEYCODE_F5 ) PORT_NAME( "irq 0xfb" ) PORT_CHANGED_MEMBER(DEVICE_SELF, nakajies_state, trigger_irq, NULL ) + PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE( KEYCODE_F6 ) PORT_NAME( "irq 0xfa" ) PORT_CHANGED_MEMBER(DEVICE_SELF, nakajies_state, trigger_irq, NULL ) + PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE( KEYCODE_F7 ) PORT_NAME( "irq 0xf9" ) PORT_CHANGED_MEMBER(DEVICE_SELF, nakajies_state, trigger_irq, NULL ) + PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE( KEYCODE_F8 ) PORT_NAME( "irq 0xf8" ) PORT_CHANGED_MEMBER(DEVICE_SELF, nakajies_state, trigger_irq, NULL ) + + PORT_START( "ROW0" ) + PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Left Shift") PORT_CODE( KEYCODE_LSHIFT ) + PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Right Shift") PORT_CODE( KEYCODE_RSHIFT ) + PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_UNUSED ) + PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("LEFT") PORT_CODE( KEYCODE_LEFT ) + PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("ENTER") PORT_CODE( KEYCODE_ENTER ) + PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_UNUSED ) + PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_UNUSED ) + PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_UNUSED ) + + PORT_START( "ROW1" ) + PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("ALT") PORT_CODE( KEYCODE_LALT ) + PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("`") PORT_CODE( KEYCODE_BACKSLASH2 ) + PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("CAN") PORT_CODE( KEYCODE_ESC ) + PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("SPACE") PORT_CODE( KEYCODE_SPACE ) + PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_UNUSED ) + PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_UNUSED ) + PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("5") PORT_CODE( KEYCODE_5 ) + PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_UNUSED ) + + PORT_START( "ROW2" ) + PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("CONTROL") PORT_CODE( KEYCODE_LCONTROL ) + PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("CAPSLOCK") PORT_CODE( KEYCODE_CAPSLOCK ) + PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("1") PORT_CODE( KEYCODE_1 ) + PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("TAB") PORT_CODE( KEYCODE_TAB ) + PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_UNUSED ) + PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_UNUSED ) + PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_UNUSED ) + PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_UNUSED ) + + PORT_START( "ROW3" ) + PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("3") PORT_CODE( KEYCODE_3 ) + PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("2") PORT_CODE( KEYCODE_2 ) + PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Q") PORT_CODE( KEYCODE_Q ) + PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("W") PORT_CODE( KEYCODE_W ) + PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("E") PORT_CODE( KEYCODE_E ) + PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_UNUSED ) + PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("S") PORT_CODE( KEYCODE_S ) + PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("D") PORT_CODE( KEYCODE_D ) + + PORT_START( "ROW4" ) + PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("4") PORT_CODE( KEYCODE_4 ) + PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_UNUSED ) + PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Z") PORT_CODE( KEYCODE_Z ) + PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("X") PORT_CODE( KEYCODE_X ) + PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("A") PORT_CODE( KEYCODE_A ) + PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_UNUSED ) + PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("R") PORT_CODE( KEYCODE_R ) + PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("F") PORT_CODE( KEYCODE_F ) + + PORT_START( "ROW5" ) + PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_UNUSED ) + PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_UNUSED ) + PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("B") PORT_CODE( KEYCODE_B ) + PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("V") PORT_CODE( KEYCODE_V ) + PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("T") PORT_CODE( KEYCODE_T ) + PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Y") PORT_CODE( KEYCODE_Y ) + PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("G") PORT_CODE( KEYCODE_G ) + PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("C") PORT_CODE( KEYCODE_C ) + + PORT_START( "ROW6" ) + PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("6") PORT_CODE( KEYCODE_6 ) + PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("DOWN") PORT_CODE( KEYCODE_DOWN ) + PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("INSERT") PORT_CODE( KEYCODE_INSERT ) + PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("RIGHT") PORT_CODE( KEYCODE_RIGHT ) + PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("\\") PORT_CODE( KEYCODE_BACKSLASH ) + PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("/") PORT_CODE( KEYCODE_SLASH ) + PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("H") PORT_CODE( KEYCODE_H ) + PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("N") PORT_CODE( KEYCODE_N ) + + PORT_START( "ROW7" ) + PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("=") PORT_CODE( KEYCODE_EQUALS ) + PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("7") PORT_CODE( KEYCODE_7 ) + PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("ORGN") PORT_CODE( KEYCODE_PGUP ) + PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("UP") PORT_CODE( KEYCODE_UP ) + PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("WP") PORT_CODE( KEYCODE_PGDN ) + PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("U") PORT_CODE( KEYCODE_U ) + PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("M") PORT_CODE( KEYCODE_M ) + PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("K") PORT_CODE( KEYCODE_K ) + + PORT_START( "ROW8" ) + PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("8") PORT_CODE( KEYCODE_8 ) + PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("-") PORT_CODE( KEYCODE_MINUS ) + PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("]") PORT_CODE( KEYCODE_CLOSEBRACE ) + PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("[") PORT_CODE( KEYCODE_OPENBRACE ) + PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("\'") PORT_CODE( KEYCODE_QUOTE ) + PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("I") PORT_CODE( KEYCODE_I ) + PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("J") PORT_CODE( KEYCODE_J ) + PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME(",") PORT_CODE( KEYCODE_COMMA ) + + PORT_START( "ROW9" ) + PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("0") PORT_CODE( KEYCODE_0 ) + PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("9") PORT_CODE( KEYCODE_9 ) + PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("BACK") PORT_CODE( KEYCODE_BACKSPACE ) + PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("P") PORT_CODE( KEYCODE_P ) + PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME(";") PORT_CODE( KEYCODE_COLON ) + PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("L") PORT_CODE( KEYCODE_L ) + PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("O") PORT_CODE( KEYCODE_O ) + PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME(".") PORT_CODE( KEYCODE_STOP ) +INPUT_PORTS_END + + +void nakajies_state::machine_start() +{ + m_rom_base = memregion("bios")->base(); + m_rom_size = memregion("bios")->bytes(); + + const char *gamename = machine().system().name; + + m_ram_size = 128 * 1024; + if ( strcmp( gamename, "drwrt400" ) == 0 || strcmp( gamename, "drwrt200" ) == 0 ) + { + m_ram_size = 256 * 1024; + } + m_ram_base = machine().memory().region_alloc( "mainram", m_ram_size, 1, ENDIANNESS_LITTLE )->base(); +} + + +void nakajies_state::machine_reset() +{ + m_irq_enabled = 0; + m_irq_active = 0; + m_lcd_memory_start = 0; + m_matrix = 0; + + /* Initialize banks */ + for ( int i = 0; i < 8; i++ ) + { + m_bank[i] = 0; + } + memset(m_ram_base, 0, m_ram_size); + update_banks(); +} + +UINT32 nakajies_state::screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect) +{ + UINT8* lcd_memory_start = m_ram_base + (m_lcd_memory_start<<9); + int height = screen.height(); + + for (int y=0; y<height; y++) + for (int x=0; x<60; x++) + { + UINT8 data = lcd_memory_start[y*64 + x]; + + for (int px=0; px<8; px++) + { + bitmap.pix16(y, (x * 8) + px) = BIT(data, 7); + data <<= 1; + } + } + + return 0; +} + + +TIMER_DEVICE_CALLBACK_MEMBER(nakajies_state::kb_timer) +{ + if (m_matrix > 0x09) + { + // reset the keyboard scan + m_matrix = 0; + m_irq_active |= 0x20; + } + else + { + // next row + m_matrix++; + m_irq_active |= 0x10; + } + + nakajies_update_irqs(); +} + + +PALETTE_INIT_MEMBER(nakajies_state, nakajies) +{ + palette.set_pen_color(0, rgb_t(138, 146, 148)); + palette.set_pen_color(1, rgb_t(92, 83, 88)); +} + + +/* F4 Character Displayer */ +static const gfx_layout nakajies_charlayout = +{ + 8, 8, /* 8 x 8 characters */ + 2331, /* 2331 characters */ + 1, /* 1 bits per pixel */ + { 0 }, /* no bitplanes */ + /* x offsets */ + { 0, 1, 2, 3, 4, 5, 6, 7 }, + /* y offsets */ + { 0*8, 1*8, 2*8, 3*8, 4*8, 5*8, 6*8, 7*8 }, + 8*8 /* every char takes 8 bytes */ +}; + +static GFXDECODE_START( wales210 ) + GFXDECODE_ENTRY( "bios", 0x55043, nakajies_charlayout, 0, 1 ) +GFXDECODE_END + +static GFXDECODE_START( dator3k ) + GFXDECODE_ENTRY( "bios", 0x54fb1, nakajies_charlayout, 0, 1 ) +GFXDECODE_END + +static GFXDECODE_START( drwrt200 ) + GFXDECODE_ENTRY( "bios", 0xdbbeb, nakajies_charlayout, 0, 1 ) +GFXDECODE_END + +static GFXDECODE_START( drwrt400 ) + GFXDECODE_ENTRY( "bios", 0x580b6, nakajies_charlayout, 0, 1 ) +GFXDECODE_END + +static MACHINE_CONFIG_START( nakajies210, nakajies_state ) + MCFG_CPU_ADD( "v20hl", V20, X301 / 2 ) + MCFG_CPU_PROGRAM_MAP( nakajies_map) + MCFG_CPU_IO_MAP( nakajies_io_map) + + MCFG_SCREEN_ADD( "screen", LCD ) + MCFG_SCREEN_REFRESH_RATE( 50 ) /* Wild guess */ + MCFG_SCREEN_UPDATE_DRIVER( nakajies_state, screen_update ) + MCFG_SCREEN_SIZE( 80 * 6, 8 * 8 ) + MCFG_SCREEN_VISIBLE_AREA( 0, 6 * 80 - 1, 0, 8 * 8 - 1 ) + MCFG_SCREEN_PALETTE("palette") + + MCFG_GFXDECODE_ADD("gfxdecode", "palette", wales210) + MCFG_PALETTE_ADD( "palette", 2 ) + MCFG_PALETTE_INIT_OWNER(nakajies_state, nakajies) + MCFG_DEFAULT_LAYOUT(layout_lcd) + + /* sound */ + MCFG_SPEAKER_STANDARD_MONO( "mono" ) + MCFG_SOUND_ADD( "speaker", SPEAKER_SOUND, 0 ) + MCFG_SOUND_ROUTE( ALL_OUTPUTS, "mono", 1.00 ) + + /* rtc */ + MCFG_DEVICE_ADD("rtc", RP5C01, XTAL_32_768kHz) + + MCFG_TIMER_DRIVER_ADD_PERIODIC("kb_timer", nakajies_state, kb_timer, attotime::from_hz(250)) +MACHINE_CONFIG_END + +static MACHINE_CONFIG_DERIVED( dator3k, nakajies210 ) + MCFG_GFXDECODE_MODIFY("gfxdecode", dator3k) +MACHINE_CONFIG_END + +static MACHINE_CONFIG_DERIVED( nakajies220, nakajies210 ) + MCFG_GFXDECODE_MODIFY("gfxdecode", drwrt400) +MACHINE_CONFIG_END + +static MACHINE_CONFIG_DERIVED( nakajies250, nakajies210 ) + MCFG_SCREEN_MODIFY( "screen" ) + MCFG_SCREEN_SIZE( 80 * 6, 16 * 8 ) + MCFG_SCREEN_VISIBLE_AREA( 0, 6 * 80 - 1, 0, 16 * 8 - 1 ) + MCFG_GFXDECODE_MODIFY("gfxdecode", drwrt200) +MACHINE_CONFIG_END + + +ROM_START(wales210) + ROM_REGION( 0x80000, "bios", 0 ) + + ROM_SYSTEM_BIOS( 0, "wales210", "Walther ES-210" ) + ROMX_LOAD("wales210.ic303", 0x00000, 0x80000, CRC(a8e8d991) SHA1(9a133b37b2fbf689ae1c7ab5c7f4e97cd33fd596), ROM_BIOS(1)) /* 27c4001 */ + + ROM_SYSTEM_BIOS( 1, "drwrtr325", "NTS DreamWriter 325" ) + ROMX_LOAD("dr3_1_02uk.ic303", 0x00000, 0x80000, CRC(027db9fe) SHA1(eb52a30510f2e2924c6dae9bc4348cd3572f4997), ROM_BIOS(2)) +ROM_END + + +ROM_START(dator3k) + ROM_REGION( 0x80000, "bios", 0 ) + ROM_LOAD("dator3000.ic303", 0x00000, 0x80000, CRC(b67fffeb) SHA1(e48270d15bef9453bcb6ba8aa949fd2ab3feceed)) +ROM_END + + +ROM_START(drwrt100) + ROM_REGION( 0x80000, "bios", 0 ) + ROM_LOAD("t100_2.3.ic303", 0x00000, 0x80000, CRC(8a16f12f) SHA1(0a907186db3d1756566d767ee847a7ecf694e74b)) /* Checksum 01F5 on label */ +ROM_END + + +ROM_START(drwrt200) + ROM_REGION( 0x100000, "bios", 0 ) + ROM_LOAD("drwrt200.bin", 0x000000, 0x100000, CRC(3c39483c) SHA1(48293e6bdb7e7322d76da7174b716243c0ab7c2c) ) +ROM_END + + +ROM_START(drwrt400) + ROM_REGION( 0x80000, "bios", 0 ) + ROM_LOAD("t4_ir_2.1.ic303", 0x00000, 0x80000, CRC(f0f45fd2) SHA1(3b4d5722b3e32e202551a1be8ae36f34ad705ddd)) +ROM_END + + +ROM_START(drwrt450) + ROM_REGION( 0x100000, "bios", 0 ) + ROM_LOAD("t4_ir_35ba308.ic303", 0x00000, 0x100000, CRC(3b5a580d) SHA1(72df34ece1e6d70adf953025d1c458e22ce819e1)) +ROM_END + + +ROM_START( es210_es ) + ROM_REGION( 0x80000, "bios", 0 ) + ROM_LOAD("nakajima_es.ic303", 0x00000, 0x80000, CRC(214d73ce) SHA1(ce9967c5b2d122ebebe9401278d8ea374e8fb289)) +ROM_END + + +/* YEAR NAME PARENT COMPAT MACHINE INPUT INIT COMPANY FULLNAME FLAGS */ +COMP( 199?, wales210, 0, 0, nakajies210, nakajies, driver_device, 0, "Walther", "ES-210", MACHINE_NOT_WORKING | MACHINE_NO_SOUND ) /* German, 128KB RAM */ +COMP( 199?, dator3k, wales210, 0, dator3k, nakajies, driver_device, 0, "Dator", "Dator 3000", MACHINE_NOT_WORKING | MACHINE_NO_SOUND ) /* Spanish, 128KB RAM */ +COMP( 199?, es210_es, wales210, 0, nakajies210, nakajies, driver_device, 0, "Nakajima","ES-210 (Spain)", MACHINE_NOT_WORKING | MACHINE_NO_SOUND ) /* Spanish, 128KB RAM */ +COMP( 199?, drwrt100, wales210, 0, nakajies220, nakajies, driver_device, 0, "NTS", "DreamWriter T100", MACHINE_NOT_WORKING | MACHINE_NO_SOUND ) /* English, 128KB RAM */ +COMP( 1996, drwrt400, wales210, 0, nakajies220, nakajies, driver_device, 0, "NTS", "DreamWriter T400", MACHINE_NOT_WORKING | MACHINE_NO_SOUND ) /* English, 256KB RAM */ +COMP( 199?, drwrt450, wales210, 0, nakajies220, nakajies, driver_device, 0, "NTS", "DreamWriter 450", MACHINE_NOT_WORKING | MACHINE_NO_SOUND ) /* English, 128KB RAM */ +COMP( 199?, drwrt200, wales210, 0, nakajies250, nakajies, driver_device, 0, "NTS", "DreamWriter T200", MACHINE_NOT_WORKING | MACHINE_NO_SOUND ) /* English, 256KB? RAM */ |