// license:BSD-3-Clause // copyright-holders:Robbbert /*************************************************************************** Okeah-240 (Ocean-240) 28/12/2011 Skeleton driver. Info from EMU80: intctl : K580wn59 irq[0]=kbd.irq2 irq[1]=kbd.irq irq[4]=tim.out[0] ppa40 : K580ww55 portA=kbd.pressed.mask portB[2]=cas.playback portB[5]=kbd.key[58] portB[6]=kbd.key[59] portC[0-3]=kbd.pressed.row portC[4]=kbd.ack ppaC0 : K580ww55 portA=vid.scroll.y portB[0-3]=mem.frame[0].page portB[1-3]=mem.frame[1].page portB[4-5]=mm.page portC=vid.scroll.x NOTE ABOUT THE TEST ROM (okean240t): - You need to press a key every so often. ToDo: - Add devices - Find out if any unconnected keyboard entries are real keys - Colours? - Sound? (perhaps port E4 bit 3) - Add disks - Cassette? - Add memory banking (perhaps port C1) Usage of terminal: - okean240 - the keyboard - okean240a - not used - okean240t - the keyboard & screen ****************************************************************************/ #include "emu.h" #include "cpu/i8085/i8085.h" #include "machine/keyboard.h" #include "machine/i8251.h" #include "machine/i8255.h" #include "machine/pic8259.h" #include "machine/pit8253.h" #include "bus/rs232/rs232.h" #include "emupal.h" #include "screen.h" class okean240_state : public driver_device { public: okean240_state(const machine_config &mconfig, device_type type, const char *tag) : driver_device(mconfig, type, tag) , m_term_data(0) , m_j(0) , m_scroll(0) , m_tog(0) , m_p_videoram(*this, "videoram") , m_io_modifiers(*this, "MODIFIERS") , m_maincpu(*this, "maincpu") , m_ppikbd(*this, "ppikbd") { } void okean240a(machine_config &config); void okean240t(machine_config &config); void okean240(machine_config &config); void init_okean240(); private: enum { TIMER_OKEAN_BOOT }; DECLARE_READ8_MEMBER(okean240_kbd_status_r); DECLARE_READ8_MEMBER(okean240a_kbd_status_r); DECLARE_READ8_MEMBER(term_status_r); DECLARE_READ8_MEMBER(term_r); DECLARE_READ8_MEMBER(okean240_port40_r); DECLARE_READ8_MEMBER(okean240_port41_r); DECLARE_WRITE8_MEMBER(okean240_port42_w); DECLARE_READ8_MEMBER(okean240a_port40_r); DECLARE_READ8_MEMBER(okean240a_port41_r); DECLARE_READ8_MEMBER(okean240a_port42_r); void kbd_put(u8 data); DECLARE_WRITE8_MEMBER(scroll_w); uint32_t screen_update_okean240(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect); void okean240_io(address_map &map); void okean240_mem(address_map &map); void okean240a_io(address_map &map); void okean240t_io(address_map &map); virtual void machine_start() override; virtual void machine_reset() override; virtual void video_start() override; virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr) override; uint8_t m_term_data; uint8_t m_j; uint8_t m_scroll; uint8_t m_tog; required_shared_ptr m_p_videoram; optional_ioport m_io_modifiers; ioport_port *m_io_port[11]; required_device m_maincpu; required_device m_ppikbd; }; // okean240 requires bit 4 to change READ8_MEMBER(okean240_state::okean240_kbd_status_r) { m_tog ^= 0x18; if (m_term_data) return m_tog | 2; else return m_tog & 0x18; } // see if a key is pressed and indicate status READ8_MEMBER(okean240_state::okean240a_kbd_status_r) { uint8_t i,j; m_tog ^= 0x18; for (i = 0; i < 11; i++) { j = m_io_port[i]->read(); if (j) return m_tog | 2; } m_j = 0; return m_tog & 0x18; } // for test rom READ8_MEMBER(okean240_state::term_status_r) { return (m_term_data) ? 3 : 1; } READ8_MEMBER(okean240_state::okean240_port40_r) { // port 40 (get ascii key value) return term_r(space, offset); } READ8_MEMBER(okean240_state::okean240_port41_r) { // port 41 bit 1 (test rom status bit) m_tog ^= 6; return m_tog; } READ8_MEMBER(okean240_state::okean240a_port40_r) { // port 40 (get a column) for (uint8_t i = 0; i < 11; i++) { uint8_t j = m_io_port[i]->read(); if (j) { if (j==m_j) return 0; m_j=j; return j; } } m_j=0; return 0; } READ8_MEMBER(okean240_state::okean240a_port41_r) { // port 41 bits 6&7 (modifier keys), and bit 1 (test rom status bit) { m_tog ^= 2; return m_tog | m_io_modifiers->read(); } } READ8_MEMBER(okean240_state::okean240a_port42_r) { // port 42 (get a row) for (uint8_t i = 0; i < 11; i++) { if (m_io_port[i]->read() ) return i; } return 0; } // This is a keyboard acknowledge pulse, it goes high then // straightaway low, if reading port 40 indicates a key is pressed. WRITE8_MEMBER(okean240_state::okean240_port42_w) { // okean240: port 42 bit 7 // okean240a: port 42 bit 4 } // for test rom READ8_MEMBER(okean240_state::term_r) { uint8_t ret = m_term_data; m_term_data = 0; return ret; } WRITE8_MEMBER(okean240_state::scroll_w) { m_scroll = data; } void okean240_state::okean240_mem(address_map &map) { map.unmap_value_high(); map(0x0000, 0x07ff).bankrw("boot"); map(0x0800, 0x3fff).ram(); map(0x4000, 0x7fff).ram().share("videoram"); map(0x8000, 0xbfff).ram(); map(0xc000, 0xffff).rom(); } void okean240_state::okean240_io(address_map &map) { map.global_mask(0xff); map(0x40, 0x43).rw(m_ppikbd, FUNC(i8255_device::read), FUNC(i8255_device::write)); map(0x60, 0x63).rw("pit", FUNC(pit8253_device::read), FUNC(pit8253_device::write)); map(0x80, 0x81).rw("pic", FUNC(pic8259_device::read), FUNC(pic8259_device::write)); map(0x80, 0x80).r(FUNC(okean240_state::okean240_kbd_status_r)); map(0xa0, 0xa0).r(FUNC(okean240_state::term_r)); map(0xa1, 0xa1).r(FUNC(okean240_state::term_status_r)); map(0xc0, 0xc3).rw("ppic", FUNC(i8255_device::read), FUNC(i8255_device::write)); map(0xe0, 0xe3).rw("ppie", FUNC(i8255_device::read), FUNC(i8255_device::write)); } void okean240_state::okean240a_io(address_map &map) { map.global_mask(0xff); map(0x40, 0x43).rw(m_ppikbd, FUNC(i8255_device::read), FUNC(i8255_device::write)); map(0x60, 0x63).rw("pit", FUNC(pit8253_device::read), FUNC(pit8253_device::write)); map(0x80, 0x81).rw("pic", FUNC(pic8259_device::read), FUNC(pic8259_device::write)); map(0x80, 0x80).r(FUNC(okean240_state::okean240a_kbd_status_r)); map(0xa0, 0xa1).rw("uart", FUNC(i8251_device::read), FUNC(i8251_device::write)); map(0xc0, 0xc3).rw("ppic", FUNC(i8255_device::read), FUNC(i8255_device::write)); map(0xe0, 0xe3).rw("ppie", FUNC(i8255_device::read), FUNC(i8255_device::write)); // AM_RANGE(0x00, 0x1f)=ppa00.data // AM_RANGE(0x20, 0x23)=dsk.data // AM_RANGE(0x24, 0x24)=dsk.wait // AM_RANGE(0x25, 0x25)=dskctl.data // AM_RANGE(0x40, 0x5f)=ppa40.data // AM_RANGE(0x60, 0x7f)=tim.data // AM_RANGE(0x80, 0x81)=intctl.data // AM_RANGE(0xa0, 0xa1)=comport.data // AM_RANGE(0xc0, 0xdf)=ppaC0.data // AM_RANGE(0xe0, 0xff)=ppaE0.data } void okean240_state::okean240t_io(address_map &map) { map.global_mask(0xff); map(0x20, 0x23).nopw(); map(0x40, 0x43).rw(m_ppikbd, FUNC(i8255_device::read), FUNC(i8255_device::write)); map(0x60, 0x63).rw("pit", FUNC(pit8253_device::read), FUNC(pit8253_device::write)); map(0x80, 0x81).rw("pic", FUNC(pic8259_device::read), FUNC(pic8259_device::write)); map(0x80, 0x80).r(FUNC(okean240_state::okean240_kbd_status_r)); map(0xa0, 0xa1).rw("uart", FUNC(i8251_device::read), FUNC(i8251_device::write)); map(0xc0, 0xc3).rw("ppic", FUNC(i8255_device::read), FUNC(i8255_device::write)); map(0xe0, 0xe3).rw("ppie", FUNC(i8255_device::read), FUNC(i8255_device::write)); } /* Input ports */ static INPUT_PORTS_START( okean240 ) INPUT_PORTS_END static INPUT_PORTS_START( okean240a ) PORT_START("X0") PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_UNUSED) // comma PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_UNUSED) // minus PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_UNUSED) // null PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_UNUSED) // null PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_UNUSED) // null PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("num7") PORT_CODE(KEYCODE_7_PAD) PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("num8") PORT_CODE(KEYCODE_8_PAD) PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("num9") PORT_CODE(KEYCODE_9_PAD) PORT_START("X1") PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Esc") PORT_CODE(KEYCODE_ESC) PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Tab") PORT_CODE(KEYCODE_TAB) PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_UNUSED) // null PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_UNUSED) // null PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_UNUSED) // null PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("num0") PORT_CODE(KEYCODE_0_PAD) PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("numdel") PORT_CODE(KEYCODE_DEL_PAD) PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("numenter") PORT_CODE(KEYCODE_ENTER_PAD) PORT_START("X2") PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("@ `") PORT_CODE(KEYCODE_TILDE) PORT_CHAR('@') PORT_CHAR('`') PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("J") PORT_CODE(KEYCODE_J) PORT_CHAR('j') PORT_CHAR('J') PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("F") PORT_CODE(KEYCODE_F) PORT_CHAR('f') PORT_CHAR('F') PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Q") PORT_CODE(KEYCODE_Q) PORT_CHAR('q') PORT_CHAR('Q') PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_UNUSED) // null PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("num1") PORT_CODE(KEYCODE_1_PAD) PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("num2") PORT_CODE(KEYCODE_2_PAD) PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("num3") PORT_CODE(KEYCODE_3_PAD) PORT_START("X3") PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_UNUSED) //9E PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("1 !") PORT_CODE(KEYCODE_1) PORT_CHAR('1') PORT_CHAR('!') PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("C") PORT_CODE(KEYCODE_C) PORT_CHAR('c') PORT_CHAR('C') PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Y") PORT_CODE(KEYCODE_Y) PORT_CHAR('y') PORT_CHAR('Y') PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("^ ~") PORT_CODE(KEYCODE_EQUALS) PORT_CHAR('^') PORT_CHAR('~') PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("num4") PORT_CODE(KEYCODE_4_PAD) PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("num5") PORT_CODE(KEYCODE_5_PAD) PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("num6") PORT_CODE(KEYCODE_6_PAD) PORT_START("X4") PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_UNUSED) //81 PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("2 \"") PORT_CODE(KEYCODE_2) PORT_CHAR('2') PORT_CHAR('"') PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("U") PORT_CODE(KEYCODE_U) PORT_CHAR('u') PORT_CHAR('U') PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("W") PORT_CODE(KEYCODE_W) PORT_CHAR('w') PORT_CHAR('W') PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("S") PORT_CODE(KEYCODE_S) PORT_CHAR('s') PORT_CHAR('S') PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_UNUSED) // plus PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_UNUSED) //7F PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_UNUSED) //03 PORT_START("X5") PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_UNUSED) //86 PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("3 #") PORT_CODE(KEYCODE_3) PORT_CHAR('3') PORT_CHAR('#') PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("K") PORT_CODE(KEYCODE_K) PORT_CHAR('k') PORT_CHAR('K') PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("A") PORT_CODE(KEYCODE_A) PORT_CHAR('a') PORT_CHAR('A') PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("M") PORT_CODE(KEYCODE_M) PORT_CHAR('m') PORT_CHAR('M') PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Backspace") PORT_CODE(KEYCODE_BACKSPACE) PORT_CHAR(8) PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_UNUSED) //99 PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_UNUSED) //8B PORT_START("X6") PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("4 $") PORT_CODE(KEYCODE_4) PORT_CHAR('4') PORT_CHAR('$') PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("E") PORT_CODE(KEYCODE_E) PORT_CHAR('e') PORT_CHAR('E') PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("P") PORT_CODE(KEYCODE_P) PORT_CHAR('p') PORT_CHAR('P') PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("I") PORT_CODE(KEYCODE_I) PORT_CHAR('i') PORT_CHAR('I') PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Space") PORT_CODE(KEYCODE_SPACE) PORT_CHAR(' ') PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_UNUSED) //84 PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Enter") PORT_CODE(KEYCODE_ENTER) PORT_CHAR(13) PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("/ ?") PORT_CODE(KEYCODE_SLASH) PORT_CHAR('/') PORT_CHAR('?') PORT_START("X7") PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_UNUSED) //92 prints # and line feed PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("5 %") PORT_CODE(KEYCODE_5) PORT_CHAR('5') PORT_CHAR('%') PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("N") PORT_CODE(KEYCODE_N) PORT_CHAR('n') PORT_CHAR('N') PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("R") PORT_CODE(KEYCODE_R) PORT_CHAR('r') PORT_CHAR('R') PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("T") PORT_CODE(KEYCODE_T) PORT_CHAR('t') PORT_CHAR('T') PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_UNUSED) //98 PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_UNUSED) //85 cr and line feed PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("_") PORT_CODE(KEYCODE_END) PORT_START("X8") PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_UNUSED) //83 cancel input PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("6 &") PORT_CODE(KEYCODE_6) PORT_CHAR('6') PORT_CHAR('&') PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("G") PORT_CODE(KEYCODE_G) PORT_CHAR('g') PORT_CHAR('G') PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("O") PORT_CODE(KEYCODE_O) PORT_CHAR('o') PORT_CHAR('O') PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("X") PORT_CODE(KEYCODE_X) PORT_CHAR('x') PORT_CHAR('X') PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME(". >") PORT_CODE(KEYCODE_STOP) PORT_CHAR('.') PORT_CHAR('>') PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME(": *") PORT_CODE(KEYCODE_QUOTE) PORT_CHAR(':') PORT_CHAR('*') PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("- =") PORT_CODE(KEYCODE_MINUS) PORT_CHAR('-') PORT_CHAR('=') PORT_START("X9") PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("7 '") PORT_CODE(KEYCODE_7) PORT_CHAR('7') PORT_CHAR('\'') PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("[ {") PORT_CODE(KEYCODE_OPENBRACE) PORT_CHAR('[') PORT_CHAR('{') PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("L") PORT_CODE(KEYCODE_L) PORT_CHAR('l') PORT_CHAR('L') PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("B") PORT_CODE(KEYCODE_B) PORT_CHAR('b') PORT_CHAR('B') PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_UNUSED) //93 PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("\\ |") PORT_CODE(KEYCODE_BACKSLASH) PORT_CHAR('\\') PORT_CHAR('|') PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("H") PORT_CODE(KEYCODE_H) PORT_CHAR('h') PORT_CHAR('H') PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("0") PORT_CODE(KEYCODE_0) PORT_CHAR('0') PORT_START("XA") PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("8 (") PORT_CODE(KEYCODE_8) PORT_CHAR('8') PORT_CHAR('(') PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("] }") PORT_CODE(KEYCODE_CLOSEBRACE) PORT_CHAR(']') PORT_CHAR('}') PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("D") PORT_CODE(KEYCODE_D) PORT_CHAR('d') PORT_CHAR('D') PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("; +") PORT_CODE(KEYCODE_COLON) PORT_CHAR(';') PORT_CHAR('+') PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME(", <") PORT_CODE(KEYCODE_COMMA) PORT_CHAR(',') PORT_CHAR('<') PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("V") PORT_CODE(KEYCODE_V) PORT_CHAR('v') PORT_CHAR('V') PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Z") PORT_CODE(KEYCODE_Z) PORT_CHAR('z') PORT_CHAR('Z') PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("9 )") PORT_CODE(KEYCODE_9) PORT_CHAR('9') PORT_CHAR(')') PORT_START("MODIFIERS") PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Ctrl") PORT_CODE(KEYCODE_LCONTROL) PORT_CHAR(UCHAR_SHIFT_2) PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Shift") PORT_CODE(KEYCODE_LSHIFT) PORT_CODE(KEYCODE_RSHIFT) PORT_CHAR(UCHAR_SHIFT_1) INPUT_PORTS_END void okean240_state::device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr) { switch (id) { case TIMER_OKEAN_BOOT: /* after the first 6 bytes have been read from ROM, switch the ram back in */ membank("boot")->set_entry(0); break; default: assert_always(false, "Unknown id in okean240_state::device_timer"); } } void okean240_state::machine_start() { char kbdrow[6]; for (int i = 0; i < 11; i++) { sprintf(kbdrow,"X%X",i); m_io_port[i] = ioport(kbdrow); } } void okean240_state::machine_reset() { timer_set(attotime::from_usec(10), TIMER_OKEAN_BOOT); membank("boot")->set_entry(1); m_term_data = 0; m_j = 0; m_scroll = 0; } void okean240_state::kbd_put(u8 data) { m_term_data = data; } void okean240_state::init_okean240() { uint8_t *RAM = memregion("maincpu")->base(); membank("boot")->configure_entries(0, 2, &RAM[0x0000], 0xe000); } void okean240_state::video_start() { } uint32_t okean240_state::screen_update_okean240(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect) { uint8_t gfx,ma; // ma must be 8bit uint16_t x,y; for (y = 0; y < 256; y++) { ma = y + m_scroll; uint16_t *p = &bitmap.pix16(y); for (x = 0; x < 0x4000; x+=0x200) { gfx = m_p_videoram[x|ma] | m_p_videoram[x|ma|0x100]; /* Display a scanline of a character */ *p++ = BIT(gfx, 0); *p++ = BIT(gfx, 1); *p++ = BIT(gfx, 2); *p++ = BIT(gfx, 3); *p++ = BIT(gfx, 4); *p++ = BIT(gfx, 5); *p++ = BIT(gfx, 6); *p++ = BIT(gfx, 7); } } return 0; } /* F4 Character Displayer */ static const gfx_layout okean240_charlayout = { 8, 7, /* 8 x 7 characters */ 160, /* 160 characters */ 1, /* 1 bits per pixel */ { 0 }, /* no bitplanes */ /* x offsets */ { 7, 6, 5, 4, 3, 2, 1, 0 }, /* y offsets */ { 0*8, 1*8, 2*8, 3*8, 4*8, 5*8, 6*8 }, 8*7 /* every char takes 7 bytes */ }; static GFXDECODE_START( gfx_okean240 ) GFXDECODE_ENTRY( "maincpu", 0xec08, okean240_charlayout, 0, 1 ) GFXDECODE_END static GFXDECODE_START( gfx_okean240a ) GFXDECODE_ENTRY( "maincpu", 0xef63, okean240_charlayout, 0, 1 ) GFXDECODE_END MACHINE_CONFIG_START(okean240_state::okean240t) /* basic machine hardware */ MCFG_DEVICE_ADD("maincpu",I8080, XTAL(12'000'000) / 6) MCFG_DEVICE_PROGRAM_MAP(okean240_mem) MCFG_DEVICE_IO_MAP(okean240t_io) i8251_device &uart(I8251(config, "uart", 0)); uart.txd_handler().set("rs232", FUNC(rs232_port_device::write_txd)); uart.dtr_handler().set("rs232", FUNC(rs232_port_device::write_dtr)); uart.rts_handler().set("rs232", FUNC(rs232_port_device::write_rts)); rs232_port_device &rs232(RS232_PORT(config, "rs232", default_rs232_devices, "terminal")); rs232.rxd_handler().set("uart", FUNC(i8251_device::write_rxd)); rs232.dsr_handler().set("uart", FUNC(i8251_device::write_dsr)); rs232.cts_handler().set("uart", FUNC(i8251_device::write_cts)); I8255(config, m_ppikbd); m_ppikbd->in_pa_callback().set(FUNC(okean240_state::okean240_port40_r)); m_ppikbd->in_pb_callback().set(FUNC(okean240_state::okean240_port41_r)); m_ppikbd->out_pc_callback().set(FUNC(okean240_state::okean240_port42_w)); i8255_device &ppic(I8255(config, "ppic")); ppic.out_pa_callback().set(FUNC(okean240_state::scroll_w)); I8255(config, "ppie"); pit8253_device &pit(PIT8253(config, "pit", 0)); pit.set_clk<1>(3072000); // artificial rate pit.out_handler<1>().set("uart", FUNC(i8251_device::write_txc)); pit.out_handler<1>().append("uart", FUNC(i8251_device::write_rxc)); PIC8259(config, "pic", 0); /* video hardware */ MCFG_SCREEN_ADD("screen1", RASTER) MCFG_SCREEN_REFRESH_RATE(50) MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500)) /* not accurate */ MCFG_SCREEN_SIZE(256, 256) MCFG_SCREEN_VISIBLE_AREA(0, 255, 0, 255) MCFG_SCREEN_UPDATE_DRIVER(okean240_state, screen_update_okean240) MCFG_SCREEN_PALETTE("palette") PALETTE(config, "palette", palette_device::MONOCHROME); MACHINE_CONFIG_END MACHINE_CONFIG_START(okean240_state::okean240a) okean240t(config); MCFG_DEVICE_MODIFY("maincpu") MCFG_DEVICE_IO_MAP(okean240a_io) MCFG_DEVICE_ADD("gfxdecode", GFXDECODE, "palette", gfx_okean240a) subdevice("rs232")->set_default_option("keyboard"); m_ppikbd->in_pa_callback().set(FUNC(okean240_state::okean240a_port40_r)); m_ppikbd->in_pb_callback().set(FUNC(okean240_state::okean240a_port41_r)); m_ppikbd->in_pc_callback().set(FUNC(okean240_state::okean240a_port42_r)); subdevice("pit")->set_clk<1>(1536000); // artificial rate MACHINE_CONFIG_END MACHINE_CONFIG_START(okean240_state::okean240) okean240t(config); MCFG_DEVICE_MODIFY("maincpu") MCFG_DEVICE_IO_MAP(okean240_io) MCFG_DEVICE_ADD("gfxdecode", GFXDECODE, "palette", gfx_okean240) MCFG_DEVICE_REMOVE("uart") MCFG_DEVICE_REMOVE("rs232") subdevice("pit")->out_handler<1>().set_nop(); generic_keyboard_device &keyboard(GENERIC_KEYBOARD(config, "keyboard", 0)); keyboard.set_keyboard_callback(FUNC(okean240_state::kbd_put)); MACHINE_CONFIG_END /* ROM definition */ ROM_START( okean240 ) ROM_REGION( 0x10000, "maincpu", ROMREGION_ERASEFF ) ROM_LOAD( "monitor.bin", 0xe000, 0x2000, CRC(587799bc) SHA1(1f677afa96722ca4ed2643eaca243548845fc854) ) ROM_LOAD( "cpm80.bin", 0xc000, 0x2000, CRC(7378e4f9) SHA1(c3c06c6f2e953546452ca6f82140a79d0e4953b4) ) ROM_END ROM_START( okean240a ) ROM_REGION( 0x10000, "maincpu", ROMREGION_ERASEFF ) ROM_LOAD( "fddmonitor.bin", 0xe000, 0x2000, CRC(bcac5ca0) SHA1(602ab824704d3d5d07b3787f6227ff903c33c9d5) ) ROM_LOAD( "fddcpm80.bin", 0xc000, 0x2000, CRC(b89a7e16) SHA1(b8f937c04f430be18e48f296ed3ef37194171204) ) ROM_END ROM_START( okean240t ) ROM_REGION( 0x10000, "maincpu", ROMREGION_ERASEFF ) ROM_LOAD( "test.bin", 0xe000, 0x0800, CRC(e9e2b7b9) SHA1(e4e0b6984a2514b6ba3e97500d487ea1a68b7577) ) ROM_END /* Driver */ // YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS COMP( 1986, okean240, 0, 0, okean240, okean240, okean240_state, init_okean240, "", "Okeah-240", MACHINE_NOT_WORKING | MACHINE_NO_SOUND) COMP( 1986, okean240a, okean240, 0, okean240a, okean240a, okean240_state, init_okean240, "", "Ocean-240 with FDD", MACHINE_NOT_WORKING | MACHINE_NO_SOUND) COMP( 1986, okean240t, okean240, 0, okean240t, okean240, okean240_state, init_okean240, "", "Ocean-240 Test ROM", MACHINE_NOT_WORKING | MACHINE_NO_SOUND)