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-rw-r--r--src/mame/drivers/okean240.cpp538
1 files changed, 538 insertions, 0 deletions
diff --git a/src/mame/drivers/okean240.cpp b/src/mame/drivers/okean240.cpp
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index 00000000000..8fc87a52848
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+++ b/src/mame/drivers/okean240.cpp
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+// 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/terminal.h"
+
+#define KEYBOARD_TAG "keyboard"
+#define TERMINAL_TAG "terminal"
+
+class okean240_state : public driver_device
+{
+public:
+ enum
+ {
+ TIMER_OKEAN_BOOT
+ };
+
+ 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_p_videoram(*this, "p_videoram"),
+ m_io_modifiers(*this, "MODIFIERS"),
+ m_maincpu(*this, "maincpu")
+ {
+ }
+
+ 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_keyboard_r);
+ DECLARE_WRITE8_MEMBER(okean240_keyboard_w);
+ DECLARE_READ8_MEMBER(okean240a_keyboard_r);
+ DECLARE_WRITE8_MEMBER(kbd_put);
+ DECLARE_WRITE8_MEMBER(scroll_w);
+ UINT8 m_term_data;
+ UINT8 m_j;
+ UINT8 m_scroll;
+ required_shared_ptr<UINT8> m_p_videoram;
+ virtual void machine_start();
+ virtual void machine_reset();
+ virtual void video_start();
+ DECLARE_DRIVER_INIT(okean240);
+ UINT32 screen_update_okean240(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
+
+protected:
+ optional_ioport m_io_modifiers;
+ ioport_port *m_io_port[11];
+ required_device<cpu_device> m_maincpu;
+
+ virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr);
+};
+
+// okean240 requires bit 4 to change
+READ8_MEMBER( okean240_state::okean240_kbd_status_r )
+{
+ if (m_term_data)
+ return (machine().rand() & 0x10) | 2;
+ else
+ return machine().rand() & 0x10;
+}
+
+// see if a key is pressed and indicate status
+READ8_MEMBER( okean240_state::okean240a_kbd_status_r )
+{
+ UINT8 i,j;
+
+ for (i = 0; i < 11; i++)
+ {
+ j = m_io_port[i]->read();
+ if (j)
+ return (machine().rand() & 0x10) | 2;
+ }
+ m_j = 0;
+ return machine().rand() & 0x10;
+}
+
+// for test rom
+READ8_MEMBER( okean240_state::term_status_r )
+{
+ return (m_term_data) ? 3 : 1;
+}
+
+READ8_MEMBER( okean240_state::okean240_keyboard_r )
+{
+ if (offset == 0) // port 40 (get ascii key value)
+ return term_r(space, offset);
+ else
+ if (offset == 1) // port 41 bit 1 (test rom status bit)
+ {
+ return (machine().rand() & 2);
+ }
+ else // port 42 (not used)
+ return 0;
+}
+
+READ8_MEMBER( okean240_state::okean240a_keyboard_r )
+{
+ UINT8 i,j;
+
+ if (offset == 0) // port 40 (get a column)
+ {
+ for (i = 0; i < 11; i++)
+ {
+ j = m_io_port[i]->read();
+ if (j)
+ {
+ if (j==m_j) return 0;
+ m_j=j;
+ return j;
+ }
+ }
+ m_j=0;
+ return 0;
+ }
+ else
+ if (offset == 1) // port 41 bits 6&7 (modifier keys), and bit 1 (test rom status bit)
+ {
+ return (machine().rand() & 2) | m_io_modifiers->read();
+ }
+ else // port 42 (get a row)
+ {
+ for (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_keyboard_w )
+{
+// okean240: port 42 bit 7
+// okean240a: port 42 bit 4
+}
+
+// for test rom
+READ8_MEMBER( okean240_state::term_r )
+{
+ UINT8 ret = m_term_data;
+ m_term_data = 0;
+ return ret;
+}
+
+WRITE8_MEMBER( okean240_state::scroll_w )
+{
+ m_scroll = data;
+}
+
+static ADDRESS_MAP_START(okean240_mem, AS_PROGRAM, 8, okean240_state)
+ ADDRESS_MAP_UNMAP_HIGH
+ AM_RANGE(0x0000, 0x07ff) AM_RAMBANK("boot")
+ AM_RANGE(0x0800, 0x3fff) AM_RAM
+ AM_RANGE(0x4000, 0x7fff) AM_RAM AM_SHARE("p_videoram")
+ AM_RANGE(0x8000, 0xbfff) AM_RAM
+ AM_RANGE(0xc000, 0xffff) AM_ROM
+ADDRESS_MAP_END
+
+static ADDRESS_MAP_START(okean240_io, AS_IO, 8, okean240_state)
+ ADDRESS_MAP_GLOBAL_MASK(0xff)
+ AM_RANGE(0x40, 0x42) AM_READWRITE(okean240_keyboard_r,okean240_keyboard_w)
+ AM_RANGE(0x80, 0x80) AM_READ(okean240_kbd_status_r)
+ AM_RANGE(0xa0, 0xa0) AM_READ(term_r)
+ AM_RANGE(0xa1, 0xa1) AM_READ(term_status_r)
+ AM_RANGE(0xc0, 0xc0) AM_WRITE(scroll_w)
+ADDRESS_MAP_END
+
+static ADDRESS_MAP_START(okean240a_io, AS_IO, 8, okean240_state)
+ ADDRESS_MAP_GLOBAL_MASK(0xff)
+ AM_RANGE(0x40, 0x42) AM_READWRITE(okean240a_keyboard_r,okean240_keyboard_w)
+ AM_RANGE(0x80, 0x80) AM_READ(okean240a_kbd_status_r)
+ AM_RANGE(0xa0, 0xa0) AM_READ(term_r)
+ AM_RANGE(0xa1, 0xa1) AM_READ(term_status_r)
+ AM_RANGE(0xc0, 0xc0) AM_WRITE(scroll_w)
+ // 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
+ADDRESS_MAP_END
+
+static ADDRESS_MAP_START(okean240t_io, AS_IO, 8, okean240_state)
+ ADDRESS_MAP_GLOBAL_MASK(0xff)
+ AM_RANGE(0x40, 0x42) AM_READWRITE(okean240_keyboard_r,okean240_keyboard_w)
+ AM_RANGE(0x80, 0x80) AM_READ(okean240_kbd_status_r)
+ AM_RANGE(0xa0, 0xa0) AM_DEVWRITE(TERMINAL_TAG, generic_terminal_device, write)
+ AM_RANGE(0xa0, 0xa0) AM_READ(term_r)
+ AM_RANGE(0xa1, 0xa1) AM_READ(term_status_r)
+ AM_RANGE(0xc0, 0xc0) AM_WRITE(scroll_w)
+ADDRESS_MAP_END
+
+/* 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;
+}
+
+WRITE8_MEMBER( okean240_state::kbd_put )
+{
+ m_term_data = data;
+}
+
+DRIVER_INIT_MEMBER(okean240_state,okean240)
+{
+ UINT8 *RAM = memregion("maincpu")->base();
+ membank("boot")->configure_entries(0, 2, &RAM[0x0000], 0xe000);
+}
+
+void okean240_state::video_start()
+{
+}
+
+UINT32 okean240_state::screen_update_okean240(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
+{
+ UINT8 gfx,ma; // ma must be 8bit
+ UINT16 x,y;
+
+ for (y = 0; y < 256; y++)
+ {
+ ma = y + m_scroll;
+ UINT16 *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( okean240 )
+ GFXDECODE_ENTRY( "maincpu", 0xec08, okean240_charlayout, 0, 1 )
+GFXDECODE_END
+
+static GFXDECODE_START( okean240a )
+ GFXDECODE_ENTRY( "maincpu", 0xef63, okean240_charlayout, 0, 1 )
+GFXDECODE_END
+
+
+static MACHINE_CONFIG_START( okean240t, okean240_state )
+ /* basic machine hardware */
+ MCFG_CPU_ADD("maincpu",I8080, XTAL_12MHz / 6)
+ MCFG_CPU_PROGRAM_MAP(okean240_mem)
+ MCFG_CPU_IO_MAP(okean240t_io)
+
+ /* video hardware */
+ MCFG_SCREEN_ADD("screen", 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")
+
+ MCFG_PALETTE_ADD_BLACK_AND_WHITE("palette")
+
+ MCFG_DEVICE_ADD(TERMINAL_TAG, GENERIC_TERMINAL, 0)
+ MCFG_GENERIC_TERMINAL_KEYBOARD_CB(WRITE8(okean240_state, kbd_put))
+MACHINE_CONFIG_END
+
+static MACHINE_CONFIG_DERIVED( okean240a, okean240t )
+ MCFG_CPU_MODIFY("maincpu")
+ MCFG_CPU_IO_MAP(okean240a_io)
+ MCFG_GFXDECODE_ADD("gfxdecode", "palette", okean240a)
+ MCFG_DEVICE_REMOVE(TERMINAL_TAG)
+ MCFG_DEVICE_ADD(KEYBOARD_TAG, GENERIC_KEYBOARD, 0)
+ MCFG_GENERIC_KEYBOARD_CB(WRITE8(okean240_state, kbd_put))
+MACHINE_CONFIG_END
+
+static MACHINE_CONFIG_DERIVED( okean240, okean240t )
+ MCFG_CPU_MODIFY("maincpu")
+ MCFG_CPU_IO_MAP(okean240_io)
+ MCFG_GFXDECODE_ADD("gfxdecode", "palette", okean240)
+ MCFG_DEVICE_REMOVE(TERMINAL_TAG)
+ MCFG_DEVICE_ADD(KEYBOARD_TAG, GENERIC_KEYBOARD, 0)
+ MCFG_GENERIC_KEYBOARD_CB(WRITE8(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 INIT COMPANY FULLNAME FLAGS */
+COMP( 1986, okean240, 0, 0, okean240, okean240, okean240_state, okean240, "<unknown>", "Okeah-240", MACHINE_NOT_WORKING | MACHINE_NO_SOUND)
+COMP( 1986, okean240a, okean240,0, okean240a, okean240a, okean240_state, okean240, "<unknown>", "Ocean-240 with fdd", MACHINE_NOT_WORKING | MACHINE_NO_SOUND)
+COMP( 1986, okean240t, okean240,0, okean240t, okean240, okean240_state, okean240, "<unknown>", "Ocean-240 Test Rom", MACHINE_NO_SOUND)