diff options
Diffstat (limited to 'src/mess/drivers/tiki100.c')
-rw-r--r-- | src/mess/drivers/tiki100.c | 687 |
1 files changed, 687 insertions, 0 deletions
diff --git a/src/mess/drivers/tiki100.c b/src/mess/drivers/tiki100.c new file mode 100644 index 00000000000..d463bdc8918 --- /dev/null +++ b/src/mess/drivers/tiki100.c @@ -0,0 +1,687 @@ +/*************************************************************************** + + Tiki 100 + + 12/05/2009 Skeleton driver. + + http://www.djupdal.org/tiki/ + +****************************************************************************/ + +/* + + TODO: + + - floppy broken + - palette RAM should be written during HBLANK + - double sided disks have t0s0,t0s1,t1s0,t1s1... format + - DART clocks + - daisy chain order? + - winchester hard disk + - analog/digital I/O + - light pen + - 8088 CPU card + +*/ + +#include "includes/tiki100.h" + +/* Memory Banking */ + +READ8_MEMBER( tiki100_state::gfxram_r ) +{ + UINT16 addr = (offset + (m_scroll << 7)) & TIKI100_VIDEORAM_MASK; + + return m_video_ram[addr]; +} + +WRITE8_MEMBER( tiki100_state::gfxram_w ) +{ + UINT16 addr = (offset + (m_scroll << 7)) & TIKI100_VIDEORAM_MASK; + + m_video_ram[addr] = data; +} + +void tiki100_state::bankswitch() +{ + address_space *program = m_maincpu->memory().space(AS_PROGRAM); + + if (m_vire) + { + if (!m_rome) + { + /* reserved */ + program->unmap_readwrite(0x0000, 0xffff); + } + else + { + /* GFXRAM, GFXRAM, RAM */ + program->install_readwrite_handler(0x0000, 0x7fff, read8_delegate(FUNC(tiki100_state::gfxram_r), this), write8_delegate(FUNC(tiki100_state::gfxram_w), this)); + program->install_readwrite_bank(0x8000, 0xffff, "bank3"); + + membank("bank1")->set_entry(BANK_VIDEO_RAM); + membank("bank2")->set_entry(BANK_VIDEO_RAM); + membank("bank3")->set_entry(BANK_RAM); + } + } + else + { + if (!m_rome) + { + /* ROM, RAM, RAM */ + program->install_read_bank(0x0000, 0x3fff, "bank1"); + program->unmap_write(0x0000, 0x3fff); + program->install_readwrite_bank(0x4000, 0x7fff, "bank2"); + program->install_readwrite_bank(0x8000, 0xffff, "bank3"); + + membank("bank1")->set_entry(BANK_ROM); + membank("bank2")->set_entry(BANK_RAM); + membank("bank3")->set_entry(BANK_RAM); + } + else + { + /* RAM, RAM, RAM */ + program->install_readwrite_bank(0x0000, 0x3fff, "bank1"); + program->install_readwrite_bank(0x4000, 0x7fff, "bank2"); + program->install_readwrite_bank(0x8000, 0xffff, "bank3"); + + membank("bank1")->set_entry(BANK_RAM); + membank("bank2")->set_entry(BANK_RAM); + membank("bank3")->set_entry(BANK_RAM); + } + } +} + +/* Read/Write Handlers */ + +READ8_MEMBER( tiki100_state::keyboard_r ) +{ + static const char *const keynames[] = { "ROW1", "ROW2", "ROW3", "ROW4", "ROW5", "ROW6", "ROW7", "ROW8", "ROW9", "ROW10", "ROW11", "ROW12" }; + UINT8 data = ioport(keynames[m_keylatch])->read(); + + m_keylatch++; + + if (m_keylatch == 12) m_keylatch = 0; + + return data; +} + +WRITE8_MEMBER( tiki100_state::keyboard_w ) +{ + m_keylatch = 0; +} + +WRITE8_MEMBER( tiki100_state::video_mode_w ) +{ + /* + + bit description + + 0 palette entry bit 0 + 1 palette entry bit 1 + 2 palette entry bit 2 + 3 palette entry bit 3 + 4 mode select bit 0 + 5 mode select bit 1 + 6 unused + 7 write color during HBLANK + + */ + + m_mode = data; + + if (BIT(data, 7)) + { + int color = data & 0x0f; + UINT8 colordata = ~m_palette; + + palette_set_color_rgb(machine(), color, pal3bit(colordata >> 5), pal3bit(colordata >> 2), pal2bit(colordata >> 0)); + } +} + +WRITE8_MEMBER( tiki100_state::palette_w ) +{ + /* + + bit description + + 0 blue intensity bit 0 + 1 blue intensity bit 1 + 2 green intensity bit 0 + 3 green intensity bit 1 + 4 green intensity bit 2 + 5 red intensity bit 0 + 6 red intensity bit 1 + 7 red intensity bit 2 + + */ + + m_palette = data; +} + +WRITE8_MEMBER( tiki100_state::system_w ) +{ + /* + + bit signal description + + 0 DRIS0 drive select 0 + 1 DRIS1 drive select 1 + 2 _ROME enable ROM at 0000-3fff + 3 VIRE enable video RAM at 0000-7fff + 4 SDEN single density select (0=DD, 1=SD) + 5 _LMP0 GRAFIKK key led + 6 MOTON floppy motor + 7 _LMP1 LOCK key led + + */ + + /* drive select */ + if (BIT(data, 0)) wd17xx_set_drive(m_fdc, 0); + if (BIT(data, 1)) wd17xx_set_drive(m_fdc, 1); + + /* density select */ + wd17xx_dden_w(m_fdc, BIT(data, 4)); + + /* floppy motor */ + floppy_mon_w(m_floppy0, !BIT(data, 6)); + floppy_mon_w(m_floppy1, !BIT(data, 6)); + floppy_drive_set_ready_state(m_floppy0, BIT(data, 6), 1); + floppy_drive_set_ready_state(m_floppy1, BIT(data, 6), 1); + + /* GRAFIKK key led */ + set_led_status(machine(), 1, BIT(data, 5)); + + /* LOCK key led */ + set_led_status(machine(), 2, BIT(data, 7)); + + /* bankswitch */ + m_rome = BIT(data, 2); + m_vire = BIT(data, 3); + + bankswitch(); +} + +/* Memory Maps */ + +static ADDRESS_MAP_START( tiki100_mem, AS_PROGRAM, 8, tiki100_state ) + ADDRESS_MAP_UNMAP_HIGH + AM_RANGE(0x0000, 0x3fff) AM_RAMBANK("bank1") + AM_RANGE(0x4000, 0x7fff) AM_RAMBANK("bank2") + AM_RANGE(0x8000, 0xffff) AM_RAMBANK("bank3") +ADDRESS_MAP_END + +static ADDRESS_MAP_START( tiki100_io, AS_IO, 8, tiki100_state ) + ADDRESS_MAP_UNMAP_HIGH + ADDRESS_MAP_GLOBAL_MASK(0xff) + AM_RANGE(0x00, 0x00) AM_MIRROR(0x03) AM_READWRITE(keyboard_r, keyboard_w) + AM_RANGE(0x04, 0x07) AM_DEVREADWRITE_LEGACY(Z80DART_TAG, z80dart_cd_ba_r, z80dart_cd_ba_w) + AM_RANGE(0x08, 0x0b) AM_DEVREADWRITE(Z80PIO_TAG, z80pio_device, read, write) + AM_RANGE(0x0c, 0x0c) AM_MIRROR(0x03) AM_WRITE(video_mode_w) + AM_RANGE(0x10, 0x13) AM_DEVREADWRITE_LEGACY(FD1797_TAG, wd17xx_r, wd17xx_w) + AM_RANGE(0x14, 0x14) AM_MIRROR(0x01) AM_WRITE(palette_w) + AM_RANGE(0x16, 0x16) AM_DEVWRITE_LEGACY(AY8912_TAG, ay8910_address_w) + AM_RANGE(0x17, 0x17) AM_DEVREADWRITE_LEGACY(AY8912_TAG, ay8910_r, ay8910_data_w) + AM_RANGE(0x18, 0x1b) AM_DEVREADWRITE(Z80CTC_TAG, z80ctc_device, read, write) + AM_RANGE(0x1c, 0x1c) AM_MIRROR(0x03) AM_WRITE(system_w) +// AM_RANGE(0x20, 0x27) winchester controller +// AM_RANGE(0x60, 0x6f) analog I/O (SINTEF) +// AM_RANGE(0x60, 0x67) digital I/O (RVO) +// AM_RANGE(0x70, 0x77) analog/digital I/O +// AM_RANGE(0x78, 0x7b) light pen +// AM_RANGE(0x7e, 0x7f) 8088/87 processor w/128KB RAM +ADDRESS_MAP_END + +/* Input Ports */ + +static INPUT_PORTS_START( tiki100 ) +/* + | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | + ----+---------+---------+---------+---------+---------+---------+---------+---------+ + 1 | CTRL | SHIFT | BRYT | RETUR | MLMROM | / (num) | SLETT | | + 2 | GRAFIKK | 1 | ANGRE | a | < | z | q | LOCK | + 3 | 2 | w | s | x | 3 | e | d | c | + 4 | 4 | r | f | v | 5 | t | g | b | + 5 | 6 | y | h | n | 7 | u | j | m | + 6 | 8 | i | k | , | 9 | o | l | . | + 7 | 0 | p | ? | - | + | ? | ? | HJELP | + 8 | @ | ^ | ' | VENSTRE | UTVID | F1 | F4 | SIDEOPP | + 9 | F2 | F3 | F5 | F6 | OPP | SIDENED | VTAB | NED | + 10 | + (num) | - (num) | * (num) | 7 (num) | 8 (num) | 9 (num) | % (num) | = (num) | + 11 | 4 (num) | 5 (num) | 6 (num) | HTAB | 1 (num) | 0 (num) | . (num) | | + 12 | HJEM | H?YRE | 2 (num) | 3 (num) | ENTER | | | | + ----+---------+---------+---------+---------+---------+---------+---------+---------+ +*/ + PORT_START("ROW1") + PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("CTRL") PORT_CODE(KEYCODE_LCONTROL) PORT_CHAR(UCHAR_MAMEKEY(LCONTROL)) + PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("SHIFT") PORT_CODE(KEYCODE_LSHIFT) PORT_CODE(KEYCODE_RSHIFT) PORT_CHAR(UCHAR_SHIFT_1) + PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("BRYTT") PORT_CODE(KEYCODE_ESC) + PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("RETURN") PORT_CODE(KEYCODE_ENTER) PORT_CHAR(13) + PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("MLMROM") PORT_CODE(KEYCODE_SPACE) PORT_CHAR(' ') + PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Keypad /") PORT_CODE(KEYCODE_SLASH_PAD) + PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("SLETT") PORT_CODE(KEYCODE_BACKSPACE) PORT_CHAR(8) + PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNUSED ) + + PORT_START("ROW2") + PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("GRAFIKK") PORT_CODE(KEYCODE_LALT) PORT_CHAR(UCHAR_MAMEKEY(LALT)) + 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_NAME("ANGRE") PORT_CODE(KEYCODE_DEL) PORT_CHAR(UCHAR_MAMEKEY(DEL)) + PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_A) PORT_CHAR('a') PORT_CHAR('A') + PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_BACKSLASH2) PORT_CHAR('<') PORT_CHAR('>') + PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_Z) PORT_CHAR('z') PORT_CHAR('Z') + PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_Q) PORT_CHAR('q') PORT_CHAR('Q') + PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("LOCK") PORT_CODE(KEYCODE_CAPSLOCK) PORT_CHAR(UCHAR_MAMEKEY(CAPSLOCK)) + + PORT_START("ROW3") + PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_2) PORT_CHAR('2') PORT_CHAR('"') + PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_W) PORT_CHAR('w') PORT_CHAR('W') + 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_X) PORT_CHAR('x') PORT_CHAR('X') + PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_3) PORT_CHAR('3') PORT_CHAR('#') + 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_D) PORT_CHAR('d') PORT_CHAR('D') + PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_C) PORT_CHAR('c') PORT_CHAR('C') + + PORT_START("ROW4") + PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_4) PORT_CHAR('4') PORT_CHAR('$') + PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_R) PORT_CHAR('r') PORT_CHAR('R') + PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_F) PORT_CHAR('f') PORT_CHAR('F') + 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_5) PORT_CHAR('5') PORT_CHAR('%') + 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_G) PORT_CHAR('g') PORT_CHAR('G') + PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_B) PORT_CHAR('b') PORT_CHAR('B') + + PORT_START("ROW5") + PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_6) PORT_CHAR('6') PORT_CHAR('&') + PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_Y) PORT_CHAR('y') PORT_CHAR('Y') + PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_H) PORT_CHAR('h') PORT_CHAR('H') + 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_7) PORT_CHAR('7') PORT_CHAR('/') + 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_J) PORT_CHAR('j') PORT_CHAR('J') + PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_M) PORT_CHAR('m') PORT_CHAR('M') + + PORT_START("ROW6") + 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_I) PORT_CHAR('i') PORT_CHAR('I') + PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_K) PORT_CHAR('k') PORT_CHAR('K') + 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_9) PORT_CHAR('9') PORT_CHAR(')') + 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_L) PORT_CHAR('l') PORT_CHAR('L') + PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_STOP) PORT_CHAR('.') PORT_CHAR(':') + + PORT_START("ROW7") + PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_0) PORT_CHAR('0') 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_NAME("\xC3\xB8 \xC3\x98") PORT_CODE(KEYCODE_COLON) PORT_CHAR(0x00f8) PORT_CHAR(0x00d8) + PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_SLASH) PORT_CHAR('-') PORT_CHAR('_') + PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_MINUS) PORT_CHAR('+') PORT_CHAR('?') + PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("\xC3\xA5 \xC3\x85") PORT_CODE(KEYCODE_OPENBRACE) PORT_CHAR(0x00e5) PORT_CHAR(0x00c5) + PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("\xC3\xA6 \xC3\x86") PORT_CODE(KEYCODE_QUOTE) PORT_CHAR(0x00e6) PORT_CHAR(0x00c6) + PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("HJELP") + + PORT_START("ROW8") + PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_EQUALS) PORT_CHAR('@') PORT_CHAR('`') + PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_CLOSEBRACE) 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_NAME(UTF8_LEFT) PORT_CODE(KEYCODE_LEFT) PORT_CHAR(UCHAR_MAMEKEY(LEFT)) + PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("UTVID") PORT_CODE(KEYCODE_INSERT) PORT_CHAR(UCHAR_MAMEKEY(INSERT)) + PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("F1") PORT_CODE(KEYCODE_F1) PORT_CHAR(UCHAR_MAMEKEY(F1)) + 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("SIDEOPP") PORT_CODE(KEYCODE_PGUP) PORT_CHAR(UCHAR_MAMEKEY(PGUP)) + + PORT_START("ROW9") + PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("F2") PORT_CODE(KEYCODE_F2) PORT_CHAR(UCHAR_MAMEKEY(F2)) + PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("F3") PORT_CODE(KEYCODE_F3) PORT_CHAR(UCHAR_MAMEKEY(F3)) + PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("F5") PORT_CODE(KEYCODE_F5) PORT_CHAR(UCHAR_MAMEKEY(F5)) + PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("F6") PORT_CODE(KEYCODE_F6) PORT_CHAR(UCHAR_MAMEKEY(F6)) + PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME(UTF8_UP) PORT_CODE(KEYCODE_UP) PORT_CHAR(UCHAR_MAMEKEY(UP)) + PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("SIDENED") PORT_CODE(KEYCODE_PGDN) PORT_CHAR(UCHAR_MAMEKEY(PGDN)) + PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("VTAB") + PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME(UTF8_DOWN) PORT_CODE(KEYCODE_DOWN) PORT_CHAR(UCHAR_MAMEKEY(DOWN)) + + PORT_START("ROW10") + PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Keypad +") PORT_CODE(KEYCODE_PLUS_PAD) + PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Keypad -") PORT_CODE(KEYCODE_MINUS_PAD) + PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Keypad *") PORT_CODE(KEYCODE_ASTERISK) + PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Keypad 7") PORT_CODE(KEYCODE_7_PAD) + PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Keypad 8") PORT_CODE(KEYCODE_8_PAD) + PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Keypad 9") PORT_CODE(KEYCODE_9_PAD) + PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Keypad %") + PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Keypad =") + + PORT_START("ROW11") + PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Keypad 4") PORT_CODE(KEYCODE_4_PAD) + PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Keypad 5") PORT_CODE(KEYCODE_5_PAD) + PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Keypad 6") PORT_CODE(KEYCODE_6_PAD) + PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("HTAB") PORT_CODE(KEYCODE_TAB) PORT_CHAR(UCHAR_MAMEKEY(TAB)) PORT_CHAR('\t') + PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Keypad 1") PORT_CODE(KEYCODE_1_PAD) + PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Keypad 0") PORT_CODE(KEYCODE_0_PAD) + PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Keypad .") PORT_CODE(KEYCODE_DEL_PAD) + PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNUSED ) + + PORT_START("ROW12") + PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("HJEM") PORT_CODE(KEYCODE_HOME) PORT_CHAR(UCHAR_MAMEKEY(HOME)) + PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME(UTF8_RIGHT) PORT_CODE(KEYCODE_RIGHT) PORT_CHAR(UCHAR_MAMEKEY(RIGHT)) + PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Keypad 2") PORT_CODE(KEYCODE_2_PAD) + PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Keypad 3") PORT_CODE(KEYCODE_3_PAD) + PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Keypad ENTER") PORT_CODE(KEYCODE_ENTER_PAD) + PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_UNUSED ) + PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNUSED ) + PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNUSED ) +INPUT_PORTS_END + +/* Video */ + +UINT32 tiki100_state::screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect) +{ + UINT16 addr = (m_scroll << 7); + int sx, y, pixel, mode = (m_mode >> 4) & 0x03; + + for (y = 0; y < 256; y++) + { + for (sx = 0; sx < 128; sx++) + { + UINT8 data = m_video_ram[addr & TIKI100_VIDEORAM_MASK]; + + switch (mode) + { + case 0: + for (pixel = 0; pixel < 8; pixel++) + { + int x = (sx * 8) + pixel; + + bitmap.pix16(y, x) = 0; + } + break; + + case 1: /* 1024x256x2 */ + for (pixel = 0; pixel < 8; pixel++) + { + int x = (sx * 8) + pixel; + int color = BIT(data, 0); + + bitmap.pix16(y, x) = color; + + data >>= 1; + } + break; + + case 2: /* 512x256x4 */ + for (pixel = 0; pixel < 4; pixel++) + { + int x = (sx * 8) + (pixel * 2); + int color = data & 0x03; + + bitmap.pix16(y, x) = color; + bitmap.pix16(y, x + 1) = color; + + data >>= 2; + } + break; + + case 3: /* 256x256x16 */ + for (pixel = 0; pixel < 2; pixel++) + { + int x = (sx * 8) + (pixel * 4); + int color = data & 0x0f; + + bitmap.pix16(y, x) = color; + bitmap.pix16(y, x + 1) = color; + bitmap.pix16(y, x + 2) = color; + bitmap.pix16(y, x + 3) = color; + + data >>= 4; + } + break; + } + + addr++; + } + } + + return 0; +} + +/* Z80-DART Interface */ + +static Z80DART_INTERFACE( dart_intf ) +{ + 0, + 0, + 0, + 0, + DEVCB_NULL, + DEVCB_NULL, + DEVCB_NULL, + DEVCB_NULL, + DEVCB_NULL, + DEVCB_NULL, + DEVCB_NULL, + DEVCB_NULL, + DEVCB_NULL, + DEVCB_NULL, + DEVCB_NULL, + DEVCB_NULL, + DEVCB_CPU_INPUT_LINE(Z80_TAG, INPUT_LINE_IRQ0) +}; + +/* Z80-PIO Interface */ + +static Z80PIO_INTERFACE( pio_intf ) +{ + DEVCB_CPU_INPUT_LINE(Z80_TAG, INPUT_LINE_IRQ0), /* callback when change interrupt status */ + DEVCB_NULL, /* port A read callback */ + DEVCB_NULL, /* port A write callback */ + DEVCB_NULL, /* portA ready active callback */ + DEVCB_NULL, /* port B read callback */ + DEVCB_NULL, /* port B write callback */ + DEVCB_NULL /* portB ready active callback */ +}; + +/* Z80-CTC Interface */ + +static TIMER_DEVICE_CALLBACK( ctc_tick ) +{ + tiki100_state *state = timer.machine().driver_data<tiki100_state>(); + + state->m_ctc->trg0(1); + state->m_ctc->trg0(0); + + state->m_ctc->trg1(1); + state->m_ctc->trg1(0); +} + +WRITE_LINE_MEMBER( tiki100_state::ctc_z1_w ) +{ +} + +static Z80CTC_INTERFACE( ctc_intf ) +{ + DEVCB_CPU_INPUT_LINE(Z80_TAG, INPUT_LINE_IRQ0), /* interrupt handler */ + DEVCB_DEVICE_LINE_MEMBER(DEVICE_SELF,z80ctc_device, trg2), /* ZC/TO0 callback */ + DEVCB_DRIVER_LINE_MEMBER(tiki100_state, ctc_z1_w), /* ZC/TO1 callback */ + DEVCB_DEVICE_LINE_MEMBER(DEVICE_SELF,z80ctc_device, trg3) /* ZC/TO2 callback */ +}; + +/* FD1797 Interface */ + +static const wd17xx_interface fdc_intf = +{ + DEVCB_NULL, + DEVCB_NULL, + DEVCB_NULL, + { FLOPPY_0, FLOPPY_1, NULL, NULL } +}; + +/* AY-3-8912 Interface */ + +WRITE8_MEMBER( tiki100_state::video_scroll_w ) +{ + m_scroll = data; +} + +static const ay8910_interface ay8910_intf = +{ + AY8910_LEGACY_OUTPUT, + AY8910_DEFAULT_LOADS, + DEVCB_NULL, + DEVCB_NULL, + DEVCB_DRIVER_MEMBER(tiki100_state, video_scroll_w), + DEVCB_NULL +}; + +/* Z80 Daisy Chain */ + +static const z80_daisy_config tiki100_daisy_chain[] = +{ + { Z80CTC_TAG }, + { Z80PIO_TAG }, + { Z80DART_TAG }, + { NULL } +}; + +/* Machine Start */ + +void tiki100_state::machine_start() +{ + /* allocate video RAM */ + m_video_ram = auto_alloc_array(machine(), UINT8, TIKI100_VIDEORAM_SIZE); + + /* setup memory banking */ + UINT8 *ram = m_ram->pointer(); + + membank("bank1")->configure_entry(BANK_ROM, memregion(Z80_TAG)->base()); + membank("bank1")->configure_entry(BANK_RAM, ram); + membank("bank1")->configure_entry(BANK_VIDEO_RAM, m_video_ram); + + membank("bank2")->configure_entry(BANK_RAM, ram + 0x4000); + membank("bank2")->configure_entry(BANK_VIDEO_RAM, m_video_ram + 0x4000); + + membank("bank3")->configure_entry(BANK_RAM, ram + 0x8000); + + bankswitch(); + + /* register for state saving */ + save_item(NAME(m_rome)); + save_item(NAME(m_vire)); + save_pointer(NAME(m_video_ram), TIKI100_VIDEORAM_SIZE); + save_item(NAME(m_scroll)); + save_item(NAME(m_mode)); + save_item(NAME(m_palette)); + save_item(NAME(m_keylatch)); +} + +// physical disks have 2:1 sector interleave +static LEGACY_FLOPPY_OPTIONS_START(tiki100) + LEGACY_FLOPPY_OPTION(tiki100, "dsk", "SSSD disk image", basicdsk_identify_default, basicdsk_construct_default, NULL, + HEADS([1]) + TRACKS([40]) + SECTORS([18]) + SECTOR_LENGTH([128]) + FIRST_SECTOR_ID([1])) + LEGACY_FLOPPY_OPTION(tiki100, "dsk", "SSDD disk image", basicdsk_identify_default, basicdsk_construct_default, NULL, + HEADS([1]) + TRACKS([40]) + SECTORS([10]) + SECTOR_LENGTH([512]) + FIRST_SECTOR_ID([1])) + LEGACY_FLOPPY_OPTION(tiki100, "dsk", "DSDD disk image", basicdsk_identify_default, basicdsk_construct_default, NULL, + HEADS([2]) + TRACKS([40]) + SECTORS([10]) + SECTOR_LENGTH([512]) + FIRST_SECTOR_ID([1])) + LEGACY_FLOPPY_OPTION(tiki100, "dsk", "DSHD disk image", basicdsk_identify_default, basicdsk_construct_default, NULL, + HEADS([2]) + TRACKS([80]) + SECTORS([10]) + SECTOR_LENGTH([512]) + FIRST_SECTOR_ID([1])) +LEGACY_FLOPPY_OPTIONS_END + +static const floppy_interface tiki100_floppy_interface = +{ + DEVCB_NULL, + DEVCB_NULL, + DEVCB_NULL, + DEVCB_NULL, + DEVCB_NULL, + FLOPPY_STANDARD_5_25_DSHD, + LEGACY_FLOPPY_OPTIONS_NAME(tiki100), + "floppy_5_25", + NULL +}; + +/* Machine Driver */ + +static MACHINE_CONFIG_START( tiki100, tiki100_state ) + /* basic machine hardware */ + MCFG_CPU_ADD(Z80_TAG, Z80, XTAL_8MHz/4) + MCFG_CPU_PROGRAM_MAP(tiki100_mem) + MCFG_CPU_IO_MAP(tiki100_io) + MCFG_CPU_CONFIG(tiki100_daisy_chain) + + /* video hardware */ + MCFG_SCREEN_ADD(SCREEN_TAG, RASTER) + MCFG_SCREEN_REFRESH_RATE(50) + MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500)) /* not accurate */ + MCFG_SCREEN_UPDATE_DRIVER(tiki100_state, screen_update) + MCFG_SCREEN_SIZE(1024, 256) + MCFG_SCREEN_VISIBLE_AREA(0, 1024-1, 0, 256-1) + + MCFG_PALETTE_LENGTH(16) + // pixel clock 20.01782 MHz + + /* devices */ + MCFG_Z80DART_ADD(Z80DART_TAG, XTAL_8MHz/4, dart_intf) + MCFG_Z80PIO_ADD(Z80PIO_TAG, XTAL_8MHz/4, pio_intf) + MCFG_Z80CTC_ADD(Z80CTC_TAG, XTAL_8MHz/4, ctc_intf) + MCFG_TIMER_ADD_PERIODIC("ctc", ctc_tick, attotime::from_hz(XTAL_8MHz/4)) + MCFG_FD1797_ADD(FD1797_TAG, fdc_intf) // FD1767PL-02 or FD1797-PL + MCFG_LEGACY_FLOPPY_2_DRIVES_ADD(tiki100_floppy_interface) + + /* sound hardware */ + MCFG_SPEAKER_STANDARD_MONO("mono") + MCFG_SOUND_ADD(AY8912_TAG, AY8912, XTAL_8MHz/4) + MCFG_SOUND_CONFIG(ay8910_intf) + MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.25) + + /* internal ram */ + MCFG_RAM_ADD(RAM_TAG) + MCFG_RAM_DEFAULT_SIZE("64K") + + // software list + MCFG_SOFTWARE_LIST_ADD("flop_list", "tiki100") +MACHINE_CONFIG_END + +/* ROMs */ + +ROM_START( kontiki ) + ROM_REGION( 0x10000, Z80_TAG, ROMREGION_ERASEFF ) + ROM_LOAD( "tikirom-1.30.u10", 0x0000, 0x2000, CRC(c482dcaf) SHA1(d140706bb7fc8b1fbb37180d98921f5bdda73cf9) ) + + ROM_REGION( 0x100, "proms", 0 ) + ROM_LOAD( "63ls140.u4", 0x000, 0x100, NO_DUMP ) +ROM_END + +ROM_START( tiki100 ) + ROM_REGION( 0x10000, Z80_TAG, ROMREGION_ERASEFF ) + ROM_DEFAULT_BIOS( "v203w" ) + + ROM_SYSTEM_BIOS( 0, "v135", "TIKI ROM v1.35" ) + ROMX_LOAD( "tikirom-1.35.u10", 0x0000, 0x2000, CRC(7dac5ee7) SHA1(14d622fd843833faec346bf5357d7576061f5a3d), ROM_BIOS(1) ) + ROM_SYSTEM_BIOS( 1, "v203w", "TIKI ROM v2.03 W" ) + ROMX_LOAD( "tikirom-2.03w.u10", 0x0000, 0x2000, CRC(79662476) SHA1(96336633ecaf1b2190c36c43295ac9f785d1f83a), ROM_BIOS(2) ) + + ROM_REGION( 0x100, "proms", 0 ) + ROM_LOAD( "63ls140.u4", 0x000, 0x100, NO_DUMP ) +ROM_END + +/* System Drivers */ + +/* YEAR NAME PARENT COMPAT MACHINE INPUT INIT COMPANY FULLNAME FLAGS */ +COMP( 1984, kontiki, 0, 0, tiki100, tiki100, driver_device, 0, "Kontiki Data A/S", "KONTIKI 100", GAME_SUPPORTS_SAVE ) +COMP( 1984, tiki100, kontiki, 0, tiki100, tiki100, driver_device, 0, "Tiki Data A/S", "TIKI 100", GAME_SUPPORTS_SAVE ) |