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https://github.com/holub/mame
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(MESS) excalibur : added keyboard, system is usable. Can save and load cassettes. (nw)
This commit is contained in:
Robert
parent
1eaba9c168
commit
461df167c6
@ -8,6 +8,19 @@ Skeleton driver created on 2014-12-09.
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Chips: Z80A, 8251, 8253, 8255, 6845
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ToDo:
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- Some keys can be connected to more than one position in the matrix. Need to
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determine the correct positions.
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- The position of the "Line Insert" key is unknown.
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- The video section has attributes and colour, none of this is done.
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- Disk controller
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- Banking
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- The schematic shows the audio counter connected to 2MHz, but this produces
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sounds that are too high. Connected to 1MHz for now.
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- Serial
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- Parallel / Centronics
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- Need software
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****************************************************************************/
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#include "emu.h"
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@ -32,11 +45,14 @@ public:
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, m_palette(*this, "palette")
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, m_maincpu(*this, "maincpu")
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, m_cass(*this, "cassette")
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, m_io_keyboard(*this, "KEY")
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{ }
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DECLARE_DRIVER_INIT(excali64);
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DECLARE_WRITE8_MEMBER(ppib_w);
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DECLARE_READ8_MEMBER(ppic_r);
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DECLARE_WRITE8_MEMBER(ppic_w);
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DECLARE_READ8_MEMBER(port00_r);
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DECLARE_READ8_MEMBER(port50_r);
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DECLARE_WRITE8_MEMBER(port70_w);
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DECLARE_WRITE8_MEMBER(video_w);
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@ -44,32 +60,34 @@ public:
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DECLARE_WRITE_LINE_MEMBER(crtc_de);
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DECLARE_WRITE_LINE_MEMBER(crtc_vs);
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const UINT8 *m_p_chargen;
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UINT8 *m_p_videoram;
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required_device<palette_device> m_palette;
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private:
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const UINT8 *m_p_chargen;
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UINT8 *m_p_videoram;
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UINT8 m_sys_status;
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UINT8 m_kbdrow;
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bool m_crtc_vs;
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bool m_crtc_de;
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required_device<cpu_device> m_maincpu;
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required_device<cassette_image_device> m_cass;
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required_ioport_array<8> m_io_keyboard;
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};
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static ADDRESS_MAP_START(excali64_mem, AS_PROGRAM, 8, excali64_state)
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AM_RANGE(0x0000, 0x1FFF) AM_ROM
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AM_RANGE(0x2000, 0x2FFF) AM_ROM AM_WRITE(video_w)
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AM_RANGE(0x3000, 0x3FFF) AM_ROM
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AM_RANGE(0x2000, 0x3FFF) AM_ROM AM_WRITE(video_w)
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AM_RANGE(0x4000, 0xFFFF) AM_RAM
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ADDRESS_MAP_END
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static ADDRESS_MAP_START(excali64_io, AS_IO, 8, excali64_state)
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ADDRESS_MAP_GLOBAL_MASK(0xff)
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AM_RANGE(0x00, 0x0f) AM_READ(port00_r)
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AM_RANGE(0x10, 0x10) AM_MIRROR(0x0e) AM_DEVREADWRITE("uart",i8251_device, data_r, data_w)
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AM_RANGE(0x11, 0x11) AM_MIRROR(0x0e) AM_DEVREADWRITE("uart", i8251_device, status_r, control_w)
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AM_RANGE(0x20, 0x23) AM_MIRROR(0x0c) AM_DEVREADWRITE("pit", pit8253_device, read, write)
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AM_RANGE(0x30, 0x30) AM_DEVREADWRITE("crtc", mc6845_device, status_r, address_w)
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AM_RANGE(0x31, 0x31) AM_DEVREADWRITE("crtc", mc6845_device, register_r, register_w)
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AM_RANGE(0x30, 0x30) AM_MIRROR(0x0e) AM_DEVREADWRITE("crtc", mc6845_device, status_r, address_w)
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AM_RANGE(0x31, 0x31) AM_MIRROR(0x0e) AM_DEVREADWRITE("crtc", mc6845_device, register_r, register_w)
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AM_RANGE(0x50, 0x5f) AM_READ(port50_r)
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AM_RANGE(0x60, 0x63) AM_MIRROR(0x0c) AM_DEVREADWRITE("ppi", i8255_device, read, write)
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AM_RANGE(0x70, 0x7f) AM_WRITE(port70_w)
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@ -78,8 +96,102 @@ ADDRESS_MAP_END
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/* Input ports */
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static INPUT_PORTS_START( excali64 )
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//PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("LINEFEED") PORT_CODE(KEYCODE_ENTER_PAD) PORT_CHAR(0x0a)//H
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//PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("REPT") PORT_CODE(KEYCODE_LALT)//0x11
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//PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("(Down)") PORT_CODE(KEYCODE_DOWN) PORT_CHAR(UCHAR_MAMEKEY(DOWN))//B
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//PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("(Up)") PORT_CODE(KEYCODE_UP) PORT_CHAR(UCHAR_MAMEKEY(UP))
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//PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("(Fire)") PORT_CODE(KEYCODE_INSERT) PORT_CHAR(UCHAR_MAMEKEY(INSERT))
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//PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("\\ |")PORT_CODE(KEYCODE_BACKSLASH) PORT_CHAR('\\') PORT_CHAR('|') PORT_CHAR(0x1c)
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//PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("(Right)") PORT_CODE(KEYCODE_RIGHT) PORT_CHAR(UCHAR_MAMEKEY(RIGHT))
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//PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("BRK") PORT_CODE(KEYCODE_NUMLOCK) PORT_CHAR(0x03)
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//PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("(Left)") PORT_CODE(KEYCODE_LEFT) PORT_CHAR(UCHAR_MAMEKEY(LEFT))
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PORT_START("KEY.0") /* line 0 */
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PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("R") PORT_CODE(KEYCODE_R) PORT_CHAR('R') PORT_CHAR('R') PORT_CHAR(0x12)
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PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("W") PORT_CODE(KEYCODE_W) PORT_CHAR('W') PORT_CHAR('W') PORT_CHAR(0x17)
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PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Shift") PORT_CODE(KEYCODE_LSHIFT) PORT_CODE(KEYCODE_RSHIFT) PORT_CHAR(UCHAR_SHIFT_1)
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PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("E") PORT_CODE(KEYCODE_E) PORT_CHAR('E') PORT_CHAR('E') PORT_CHAR(0x05)
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PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("TAB") PORT_CODE(KEYCODE_TAB) PORT_CHAR(0x09)
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PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("CAPSLOCK") PORT_CODE(KEYCODE_CAPSLOCK) PORT_TOGGLE
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PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("A") PORT_CODE(KEYCODE_A) PORT_CHAR('A') PORT_CHAR('A') PORT_CHAR(0x01)
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PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Q") PORT_CODE(KEYCODE_Q) PORT_CHAR('Q') PORT_CHAR('Q') PORT_CHAR(0x11)
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PORT_START("KEY.1") /* line 1 */
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PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("F3") PORT_CODE(KEYCODE_F3)
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PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("F2") PORT_CODE(KEYCODE_F2)
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PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("F4") PORT_CODE(KEYCODE_F4)
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PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Space") PORT_CODE(KEYCODE_SPACE) PORT_CHAR(' ')
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PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("CTRL") PORT_CODE(KEYCODE_LCONTROL) PORT_CODE(KEYCODE_RCONTROL) PORT_CHAR(UCHAR_SHIFT_2)//=
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PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_UNUSED) // space
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PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("F1") PORT_CODE(KEYCODE_F1)
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PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_UNUSED) // F1
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PORT_START("KEY.2") /* line 2 */
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PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME(". >") PORT_CODE(KEYCODE_STOP) PORT_CHAR('.') PORT_CHAR('>')
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PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("M") PORT_CODE(KEYCODE_M) PORT_CHAR('M') PORT_CHAR('M') PORT_CHAR(0x0d)
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PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("/ ?") PORT_CODE(KEYCODE_SLASH) PORT_CHAR('/') PORT_CHAR('?')
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PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME(", <") PORT_CODE(KEYCODE_COMMA) PORT_CHAR(',') PORT_CHAR('<')
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PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("B") PORT_CODE(KEYCODE_B) PORT_CHAR('B') PORT_CHAR('B') PORT_CHAR(0x02)
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PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_UNUSED) //B
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PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("N") PORT_CODE(KEYCODE_N) PORT_CHAR('N') PORT_CHAR('N') PORT_CHAR(0x0e)
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PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_UNUSED) //N
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PORT_START("KEY.3") /* line 3 */
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PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("' \"") PORT_CODE(KEYCODE_QUOTE) PORT_CHAR(0x27) PORT_CHAR(0x22) PORT_CHAR(0x27)
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PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("L") PORT_CODE(KEYCODE_L) PORT_CHAR('L') PORT_CHAR('L') PORT_CHAR(0x0c)
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PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("RETURN") PORT_CODE(KEYCODE_ENTER) PORT_CHAR(0x0d)
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PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("; :") PORT_CODE(KEYCODE_COLON) PORT_CHAR(';') PORT_CHAR(':')
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PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("J") PORT_CODE(KEYCODE_J) PORT_CHAR('J') PORT_CHAR('J') PORT_CHAR(0x0a)
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PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("G") PORT_CODE(KEYCODE_G) PORT_CHAR('G') PORT_CHAR('G') PORT_CHAR(0x07)
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PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("K") PORT_CODE(KEYCODE_K) PORT_CHAR('K') PORT_CHAR('K') PORT_CHAR(0x0b)
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PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("H") PORT_CODE(KEYCODE_H) PORT_CHAR('H') PORT_CHAR('H') PORT_CHAR(0x08)
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PORT_START("KEY.4") /* line 4 */
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PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("4 $") PORT_CODE(KEYCODE_4) PORT_CHAR('4') PORT_CHAR('$')
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PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("2 @") PORT_CODE(KEYCODE_2) PORT_CHAR('2') PORT_CHAR('@')
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PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("5 %") PORT_CODE(KEYCODE_5) PORT_CHAR('5') PORT_CHAR('%')
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PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("3 #") PORT_CODE(KEYCODE_3) PORT_CHAR('3') PORT_CHAR('#')
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PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("DEL") PORT_CODE(KEYCODE_DEL) PORT_CHAR(0x7f) PORT_CHAR(0x7f) PORT_CHAR(0x1f)
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PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("ESC") PORT_CODE(KEYCODE_ESC) PORT_CHAR(0x1b)
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PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("1 !") PORT_CODE(KEYCODE_1) PORT_CHAR('1') PORT_CHAR('!')
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PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_UNUSED) //1
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PORT_START("KEY.5") /* line 5 */
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PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("[ {") PORT_CODE(KEYCODE_OPENBRACE) PORT_CHAR('[') PORT_CHAR('{') PORT_CHAR(0x1b)
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PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("O") PORT_CODE(KEYCODE_O) PORT_CHAR('O') PORT_CHAR('O') PORT_CHAR(0x0f)
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PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("] }") PORT_CODE(KEYCODE_CLOSEBRACE) PORT_CHAR(']') PORT_CHAR('}') PORT_CHAR(0x1d)
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PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("P") PORT_CODE(KEYCODE_P) PORT_CHAR('P') PORT_CHAR('P') PORT_CHAR(0x10)
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PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("U") PORT_CODE(KEYCODE_U) PORT_CHAR('U') PORT_CHAR('U') PORT_CHAR(0x15)
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PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("T") PORT_CODE(KEYCODE_T) PORT_CHAR('T') PORT_CHAR('T') PORT_CHAR(0x14)
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PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("I") PORT_CODE(KEYCODE_I) PORT_CHAR('I') PORT_CHAR('I') PORT_CHAR(0x09)//0x12
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PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Y") PORT_CODE(KEYCODE_Y) PORT_CHAR('Y') PORT_CHAR('Y') PORT_CHAR(0x19)//0x14
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PORT_START("KEY.6") /* line 6 */
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PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("F") PORT_CODE(KEYCODE_F) PORT_CHAR('F') PORT_CHAR('F') PORT_CHAR(0x06)
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PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("X") PORT_CODE(KEYCODE_X) PORT_CHAR('X') PORT_CHAR('X') PORT_CHAR(0x18)
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PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("V") PORT_CODE(KEYCODE_V) PORT_CHAR('V') PORT_CHAR('V') PORT_CHAR(0x16)
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PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("C") PORT_CODE(KEYCODE_C) PORT_CHAR('C') PORT_CHAR('C') PORT_CHAR(0x03)
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PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("D") PORT_CODE(KEYCODE_D) PORT_CHAR('D') PORT_CHAR('D') PORT_CHAR(0x04)
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PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("S") PORT_CODE(KEYCODE_S) PORT_CHAR('S') PORT_CHAR('S') PORT_CHAR(0x13)
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PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Z") PORT_CODE(KEYCODE_Z) PORT_CHAR('Z') PORT_CHAR('Z') PORT_CHAR(0x1a)
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PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_UNUSED) //Z
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PORT_START("KEY.7") /* line 7 */
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PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("= +") PORT_CODE(KEYCODE_EQUALS) PORT_CHAR('=') PORT_CHAR('+') PORT_CHAR('=')
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PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("0 )") PORT_CODE(KEYCODE_0) PORT_CHAR('0') PORT_CHAR(')')
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PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Backspace") PORT_CODE(KEYCODE_BACKSPACE) PORT_CHAR(0x08)
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PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("- _") PORT_CODE(KEYCODE_MINUS) PORT_CHAR('-') PORT_CHAR('_')
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PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("8 *") PORT_CODE(KEYCODE_8) PORT_CHAR('8') PORT_CHAR('*')
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PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("6 ^") PORT_CODE(KEYCODE_6) PORT_CHAR('6') PORT_CHAR('^')
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PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("9 (") PORT_CODE(KEYCODE_9) PORT_CHAR('9') PORT_CHAR('(')
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PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("7 &") PORT_CODE(KEYCODE_7) PORT_CHAR('7') PORT_CHAR('&')
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INPUT_PORTS_END
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WRITE8_MEMBER( excali64_state::ppib_w )
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{
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m_kbdrow = data;
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}
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READ8_MEMBER( excali64_state::ppic_r )
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{
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UINT8 data = 0xf7;
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@ -87,6 +199,19 @@ READ8_MEMBER( excali64_state::ppic_r )
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return data;
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}
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READ8_MEMBER( excali64_state::port00_r )
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{
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UINT8 data = 0xff;
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for (int i = 0; i < 8; i++)
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{
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if (!BIT(m_kbdrow, i))
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data &= m_io_keyboard[i]->read();
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}
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return data;
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}
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/*
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d0 : /rom ; screen
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d1 : ram on
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@ -140,7 +265,7 @@ DRIVER_INIT_MEMBER( excali64_state, excali64 )
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MC6845_UPDATE_ROW( excali64_state::update_row )
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{
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const rgb_t *palette = m_palette->palette()->entry_list_raw();
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UINT8 chr,gfx=0;
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UINT8 chr,gfx;
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UINT16 mem,x;
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UINT32 *p = &bitmap.pix32(y);
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@ -175,7 +300,7 @@ static MACHINE_CONFIG_START( excali64, excali64_state )
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//MCFG_I8251_RTS_HANDLER(DEVWRITELINE("rs232", rs232_port_device, write_rts))
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MCFG_DEVICE_ADD("pit", PIT8253, 0)
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MCFG_PIT8253_CLK0(XTAL_16MHz / 8) /* Timer 0: tone gen for speaker */
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MCFG_PIT8253_CLK0(XTAL_16MHz / 16) /* Timer 0: tone gen for speaker */
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MCFG_PIT8253_OUT0_HANDLER(DEVWRITELINE("speaker", speaker_sound_device, level_w))
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MCFG_PIT8253_CLK1(XTAL_16MHz / 8) /* Timer 1: baud rate gen for 8251 */
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//MCFG_PIT8253_OUT1_HANDLER(WRITELINE(excali64_state, write_uart_clock))
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@ -183,9 +308,9 @@ static MACHINE_CONFIG_START( excali64, excali64_state )
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MCFG_DEVICE_ADD("ppi", I8255A, 0 )
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//MCFG_I8255_IN_PORTA_CB(READ8(excali64_state, ppia_r))
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//MCFG_I8255_OUT_PORTA_CB(WRITE8(excali64_state, ppia_w))
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//MCFG_I8255_OUT_PORTA_CB(WRITE8(excali64_state, ppia_w)) // parallel port
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//MCFG_I8255_IN_PORTB_CB(READ8(excali64_state, ppib_r))
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//MCFG_I8255_OUT_PORTB_CB(WRITE8(excali64_state, ppib_w))
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MCFG_I8255_OUT_PORTB_CB(WRITE8(excali64_state, ppib_w))
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MCFG_I8255_IN_PORTC_CB(READ8(excali64_state, ppic_r))
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MCFG_I8255_OUT_PORTC_CB(WRITE8(excali64_state, ppic_w))
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@ -224,7 +349,7 @@ ROM_START( excali64 )
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ROM_LOAD( "rom_1.bin", 0x0000, 0x4000, CRC(e129a305) SHA1(e43ec7d040c2b2e548d22fd6bbc7df8b45a26e5a) )
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ROM_LOAD( "rom_2.bin", 0x2000, 0x2000, CRC(916d9f5a) SHA1(91c527cce963481b7bebf077e955ca89578bb553) )
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ROM_REGION(0x1000, "videoram", ROMREGION_ERASE00)
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ROM_REGION(0x2000, "videoram", ROMREGION_ERASE00)
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ROM_REGION(0x1000, "chargen", 0)
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ROM_LOAD( "genex_3.bin", 0x0000, 0x1000, CRC(b91619a9) SHA1(2ced636cb7b94ba9d329868d7ecf79963cefe9d9) )
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||||
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Reference in New Issue
Block a user