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// license:GPL-2.0+
// copyright-holders:Juergen Buchmueller
/***************************************************************************
* Xerox AltoII driver for MESS
*
***************************************************************************/
#include "emu.h"
#include "cpu/alto2/alto2cpu.h"
#include "machine/diablo_hd.h"
#include "sound/spkrdev.h"
#include "emupal.h"
#include "screen.h"
#include "speaker.h"
namespace {
class alto2_state : public driver_device
{
public:
alto2_state(const machine_config &mconfig, device_type type, const char *tag) :
driver_device(mconfig, type, tag),
m_maincpu(*this, "maincpu"),
m_speaker(*this, "speaker"),
m_io_row(*this, "ROW%u", 0U),
m_io_config(*this, "CONFIG")
{ }
void init_alto2();
void alto2(machine_config &config);
protected:
virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr) override;
private:
u16 kb_r(offs_t offset);
void utilout_w(u16 data);
required_device<alto2_cpu_device> m_maincpu;
required_device<speaker_sound_device> m_speaker;
required_ioport_array<8> m_io_row;
optional_ioport m_io_config;
static const device_timer_id TIMER_VBLANK = 0;
emu_timer* m_vblank_timer;
};
/* Input Ports */
#define PORT_KEY(_bit,_code,_char1,_char2,_name) \
PORT_BIT(_bit, IP_ACTIVE_LOW, IPT_KEYBOARD) \
PORT_CODE(_code) PORT_NAME(_name) \
PORT_CHAR(_char1) PORT_CHAR(_char2)
#define SPACING " "
static INPUT_PORTS_START( alto2 )
PORT_START("ROW0")
PORT_KEY(A2_KEY_5, KEYCODE_5, '5', '%', "5" SPACING "%") //!< normal: 5 shifted: %
PORT_KEY(A2_KEY_4, KEYCODE_4, '4', '$', "4" SPACING "$") //!< normal: 4 shifted: $
PORT_KEY(A2_KEY_6, KEYCODE_6, '6', '~', "6" SPACING "~") //!< normal: 6 shifted: ~
PORT_KEY(A2_KEY_E, KEYCODE_E, 'e', 'E', "e" SPACING "E") //!< normal: e shifted: E
PORT_KEY(A2_KEY_7, KEYCODE_7, '7', '&', "7" SPACING "&") //!< normal: 7 shifted: &
PORT_KEY(A2_KEY_D, KEYCODE_D, 'd', 'D', "d" SPACING "D") //!< normal: d shifted: D
PORT_KEY(A2_KEY_U, KEYCODE_U, 'u', 'U', "u" SPACING "U") //!< normal: u shifted: U
PORT_KEY(A2_KEY_V, KEYCODE_V, 'v', 'V', "v" SPACING "V") //!< normal: v shifted: V
PORT_KEY(A2_KEY_0, KEYCODE_0, '0', ')', "0" SPACING ")") //!< normal: 0 shifted: )
PORT_KEY(A2_KEY_K, KEYCODE_K, 'k', 'K', "k" SPACING "K") //!< normal: k shifted: K
PORT_KEY(A2_KEY_MINUS, KEYCODE_MINUS, '-', '_', "-" SPACING "_") //!< normal: - shifted: _
PORT_KEY(A2_KEY_P, KEYCODE_P, 'p', 'P', "p" SPACING "P") //!< normal: p shifted: P
PORT_KEY(A2_KEY_SLASH, KEYCODE_SLASH, '/', '?', "/" SPACING "?") //!< normal: / shifted: ?
PORT_KEY(A2_KEY_BACKSLASH, KEYCODE_BACKSLASH, '\\', '|', "\\" SPACING "|") //!< normal: \ shifted: |
PORT_KEY(A2_KEY_LF, KEYCODE_DOWN, 10, 10, "LF" ) //!< normal: LF shifted: ?
PORT_KEY(A2_KEY_BS, KEYCODE_BACKSPACE, 8, 8, "BS" ) //!< normal: BS shifted: ?
PORT_START("ROW1")
PORT_KEY(A2_KEY_3, KEYCODE_3, '3', '#', "3" SPACING "#") //!< normal: 3 shifted: #
PORT_KEY(A2_KEY_2, KEYCODE_2, '2', '@', "2" SPACING "@") //!< normal: 2 shifted: @
PORT_KEY(A2_KEY_W, KEYCODE_W, 'w', 'W', "w" SPACING "W") //!< normal: w shifted: W
PORT_KEY(A2_KEY_Q, KEYCODE_Q, 'q', 'Q', "q" SPACING "Q") //!< normal: q shifted: Q
PORT_KEY(A2_KEY_S, KEYCODE_S, 's', 'S', "s" SPACING "S") //!< normal: s shifted: S
PORT_KEY(A2_KEY_A, KEYCODE_A, 'a', 'A', "a" SPACING "A") //!< normal: a shifted: A
PORT_KEY(A2_KEY_9, KEYCODE_9, '9', '(', "9" SPACING "(") //!< normal: 9 shifted: (
PORT_KEY(A2_KEY_I, KEYCODE_I, 'i', 'I', "i" SPACING "I") //!< normal: i shifted: I
PORT_KEY(A2_KEY_X, KEYCODE_X, 'x', 'X', "x" SPACING "X") //!< normal: x shifted: X
PORT_KEY(A2_KEY_O, KEYCODE_O, 'o', 'O', "o" SPACING "O") //!< normal: o shifted: O
PORT_KEY(A2_KEY_L, KEYCODE_L, 'l', 'L', "l" SPACING "L") //!< normal: l shifted: L
PORT_KEY(A2_KEY_COMMA, KEYCODE_COMMA, ',', '<', "," SPACING "<") //!< normal: , shifted: <
PORT_KEY(A2_KEY_QUOTE, KEYCODE_QUOTE, 39, 34, "'" SPACING "\"") //!< normal: ' shifted: "
PORT_KEY(A2_KEY_RBRACKET, KEYCODE_CLOSEBRACE, ']', '}', "]" SPACING "}") //!< normal: ] shifted: }
PORT_KEY(A2_KEY_BLANK_MID, KEYCODE_END, 0, 0, "MID" ) //!< middle blank key
PORT_KEY(A2_KEY_BLANK_TOP, KEYCODE_PGUP, 0, 0, "TOP" ) //!< top blank key
PORT_START("ROW2")
PORT_KEY(A2_KEY_1, KEYCODE_1, '1', '!', "1" SPACING "!") //!< normal: 1 shifted: !
PORT_KEY(A2_KEY_ESCAPE, KEYCODE_ESC, 27, 0, "ESC" ) //!< normal: ESC shifted: ?
PORT_KEY(A2_KEY_TAB, KEYCODE_TAB, 9, 0, "TAB" ) //!< normal: TAB shifted: ?
PORT_KEY(A2_KEY_F, KEYCODE_F, 'f', 'F', "f" SPACING "F") //!< normal: f shifted: F
PORT_KEY(A2_KEY_CTRL, KEYCODE_LCONTROL, 0, 0, "CTRL" ) //!< CTRL
PORT_KEY(A2_KEY_C, KEYCODE_C, 'c', 'C', "c" SPACING "C") //!< normal: c shifted: C
PORT_KEY(A2_KEY_J, KEYCODE_J, 'j', 'J', "j" SPACING "J") //!< normal: j shifted: J
PORT_KEY(A2_KEY_B, KEYCODE_B, 'b', 'B', "b" SPACING "B") //!< normal: b shifted: B
PORT_KEY(A2_KEY_Z, KEYCODE_Z, 'z', 'Z', "z" SPACING "Z") //!< normal: z shifted: Z
PORT_KEY(A2_KEY_LSHIFT, KEYCODE_LSHIFT, UCHAR_SHIFT_1, 0, "LSHIFT" ) //!< LSHIFT
PORT_KEY(A2_KEY_PERIOD, KEYCODE_STOP, '.', '>', "." SPACING ">") //!< normal: . shifted: >
PORT_KEY(A2_KEY_SEMICOLON, KEYCODE_COLON, ';', ':', ";" SPACING ":") //!< normal: ; shifted: :
PORT_KEY(A2_KEY_RETURN, KEYCODE_ENTER, 13, 0, "RETURN" ) //!< RETURN
PORT_KEY(A2_KEY_LEFTARROW, KEYCODE_LEFT, 0, 0, "???" SPACING "???") //!< normal: left arrow shifted: up arrow (caret)
PORT_KEY(A2_KEY_DEL, KEYCODE_DEL, UCHAR_MAMEKEY(DEL), 0, "DEL" ) //!< normal: DEL shifted: ?
PORT_KEY(A2_KEY_MSW_2_17, KEYCODE_MENU, 0, 0, "MSW2/17" ) //!< unused on Microswitch KDB
PORT_START("ROW3")
PORT_KEY(A2_KEY_R, KEYCODE_R, 'r', 'R', "r" SPACING "R") //!< normal: r shifted: R
PORT_KEY(A2_KEY_T, KEYCODE_T, 't', 'T', "t" SPACING "T") //!< normal: t shifted: T
PORT_KEY(A2_KEY_G, KEYCODE_G, 'g', 'G', "g" SPACING "G") //!< normal: g shifted: G
PORT_KEY(A2_KEY_Y, KEYCODE_Y, 'y', 'Y', "y" SPACING "Y") //!< normal: y shifted: Y
PORT_KEY(A2_KEY_H, KEYCODE_H, 'h', 'H', "h" SPACING "H") //!< normal: h shifted: H
PORT_KEY(A2_KEY_8, KEYCODE_8, '8', '*', "8" SPACING "*") //!< normal: 8 shifted: *
PORT_KEY(A2_KEY_N, KEYCODE_N, 'n', 'N', "n" SPACING "N") //!< normal: n shifted: N
PORT_KEY(A2_KEY_M, KEYCODE_M, 'm', 'M', "m" SPACING "M") //!< normal: m shifted: M
PORT_KEY(A2_KEY_LOCK, KEYCODE_SCRLOCK, 0, 0, "LOCK" ) //!< LOCK
PORT_KEY(A2_KEY_SPACE, KEYCODE_SPACE, 32, 0, "SPACE" ) //!< SPACE
PORT_KEY(A2_KEY_LBRACKET, KEYCODE_OPENBRACE, '[', '{', "[" SPACING "{") //!< normal: [ shifted: {
PORT_KEY(A2_KEY_EQUALS, KEYCODE_EQUALS, '=', '+', "=" SPACING "+") //!< normal: = shifted: +
PORT_KEY(A2_KEY_RSHIFT, KEYCODE_RSHIFT, UCHAR_SHIFT_2, 0, "RSHIFT" ) //!< RSHIFT
PORT_KEY(A2_KEY_BLANK_BOT, KEYCODE_PGDN, 0, 0, "BOT" ) //!< bottom blank key
PORT_KEY(A2_KEY_MSW_3_16, KEYCODE_HOME, 0, 0, "MSW3/16" ) //!< unused on Microswitch KDB
PORT_KEY(A2_KEY_MSW_3_17, KEYCODE_INSERT, 0, 0, "MSW3/17" ) //!< unused on Microswitch KDB
PORT_START("ROW4")
PORT_KEY(A2_KEY_FR2, KEYCODE_F6, 0, 0, "FR2" ) //!< ADL right function key 2
PORT_KEY(A2_KEY_FL2, KEYCODE_F2, 0, 0, "FL2" ) //!< ADL left function key 2
PORT_START("ROW5")
PORT_KEY(A2_KEY_FR4, KEYCODE_F8, 0, 0, "FR4" ) //!< ADL right function key 4
PORT_KEY(A2_KEY_BW, KEYCODE_F10, 0, 0, "BW" ) //!< ADL BW (?)
PORT_START("ROW6")
PORT_KEY(A2_KEY_FR3, KEYCODE_F7, 0, 0, "FR3" ) //!< ADL right function key 3
PORT_KEY(A2_KEY_FL1, KEYCODE_F1, 0, 0, "FL1" ) //!< ADL left function key 1
PORT_KEY(A2_KEY_FL3, KEYCODE_F3, 0, 0, "FL3" ) //!< ADL left function key 3
PORT_START("ROW7")
PORT_KEY(A2_KEY_FR1, KEYCODE_F5, 0, 0, "FR1" ) //!< ADL right function key 1
PORT_KEY(A2_KEY_FL4, KEYCODE_F4, 0, 0, "FL4" ) //!< ADL left function key 4
PORT_KEY(A2_KEY_FR5, KEYCODE_F9, 0, 0, "FR5" ) //!< ADL right function key 5
PORT_START("mouseb0") // Mouse button 0
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_BUTTON1) PORT_NAME("Mouse RED (left)") PORT_PLAYER(1) PORT_CODE(MOUSECODE_BUTTON1) PORT_CHANGED_MEMBER( ":maincpu", alto2_cpu_device, mouse_button_0, 0 )
PORT_START("mouseb1") // Mouse button 1
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_BUTTON2) PORT_NAME("Mouse BLUE (right)") PORT_PLAYER(1) PORT_CODE(MOUSECODE_BUTTON2) PORT_CHANGED_MEMBER( ":maincpu", alto2_cpu_device, mouse_button_1, 0 )
PORT_START("mouseb2") // Mouse button 2
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_BUTTON3) PORT_NAME("Mouse YELLOW (middle)") PORT_PLAYER(1) PORT_CODE(MOUSECODE_BUTTON3) PORT_CHANGED_MEMBER( ":maincpu", alto2_cpu_device, mouse_button_2, 0 )
PORT_START("mousex") // Mouse - X AXIS
PORT_BIT( 0xffff, 0, IPT_MOUSE_X) PORT_SENSITIVITY(100) PORT_KEYDELTA(1) PORT_CHANGED_MEMBER( ":maincpu", alto2_cpu_device, mouse_motion_x, 0 )
PORT_START("mousey") // Mouse - Y AXIS
PORT_BIT( 0xffff, 0, IPT_MOUSE_Y) PORT_SENSITIVITY(100) PORT_KEYDELTA(1) PORT_CHANGED_MEMBER( ":maincpu", alto2_cpu_device, mouse_motion_y, 0 )
PORT_START("CONFIG") /* Memory switch on AIM board */
PORT_CONFNAME( 0x01, 0x01, "Memory switch")
PORT_CONFSETTING( 0x00, "on")
PORT_CONFSETTING( 0x01, "off")
PORT_CONFNAME( 0x06, 0x02, "CROM/CRAM configuration")
PORT_CONFSETTING( 0x00, "Invalid (no CROM/CRAM)")
PORT_CONFSETTING( 0x02, "1K CROM, 1K CRAM")
PORT_CONFSETTING( 0x04, "2K CROM, 1K CRAM")
PORT_CONFSETTING( 0x06, "1K CROM, 3K CRAM")
PORT_CONFNAME( 0x70, 0x00, "Ethernet breath-of-life")
PORT_CONFSETTING( 0x00, "off")
PORT_CONFSETTING( 0x10, "5 seconds")
PORT_CONFSETTING( 0x20, "10 seconds")
PORT_CONFSETTING( 0x30, "15 seconds")
PORT_CONFSETTING( 0x40, "30 seconds")
PORT_CONFSETTING( 0x50, "60 seconds")
PORT_CONFSETTING( 0x60, "90 seconds")
PORT_CONFSETTING( 0x70, "120 seconds")
PORT_START("ETHERID")
PORT_DIPNAME( 0377, 0042, "Ethernet ID")
PORT_DIPSETTING( 0000, "No ether") PORT_DIPSETTING( 0001, "ID 001") PORT_DIPSETTING( 0002, "ID 002") PORT_DIPSETTING( 0003, "ID 003")
PORT_DIPSETTING( 0004, "ID 004") PORT_DIPSETTING( 0005, "ID 005") PORT_DIPSETTING( 0006, "ID 006") PORT_DIPSETTING( 0007, "ID 007")
PORT_DIPSETTING( 0010, "ID 010") PORT_DIPSETTING( 0011, "ID 011") PORT_DIPSETTING( 0012, "ID 012") PORT_DIPSETTING( 0013, "ID 013")
PORT_DIPSETTING( 0014, "ID 014") PORT_DIPSETTING( 0015, "ID 015") PORT_DIPSETTING( 0016, "ID 016") PORT_DIPSETTING( 0017, "ID 017")
PORT_DIPSETTING( 0020, "ID 020") PORT_DIPSETTING( 0021, "ID 021") PORT_DIPSETTING( 0022, "ID 022") PORT_DIPSETTING( 0023, "ID 023")
PORT_DIPSETTING( 0024, "ID 024") PORT_DIPSETTING( 0025, "ID 025") PORT_DIPSETTING( 0026, "ID 026") PORT_DIPSETTING( 0027, "ID 027")
PORT_DIPSETTING( 0030, "ID 030") PORT_DIPSETTING( 0031, "ID 031") PORT_DIPSETTING( 0032, "ID 032") PORT_DIPSETTING( 0033, "ID 033")
PORT_DIPSETTING( 0034, "ID 034") PORT_DIPSETTING( 0035, "ID 035") PORT_DIPSETTING( 0036, "ID 036") PORT_DIPSETTING( 0037, "ID 037")
PORT_DIPSETTING( 0040, "ID 040") PORT_DIPSETTING( 0041, "ID 041") PORT_DIPSETTING( 0042, "ID 042") PORT_DIPSETTING( 0043, "ID 043")
PORT_DIPSETTING( 0044, "ID 044") PORT_DIPSETTING( 0045, "ID 045") PORT_DIPSETTING( 0046, "ID 046") PORT_DIPSETTING( 0047, "ID 047")
PORT_DIPSETTING( 0050, "ID 050") PORT_DIPSETTING( 0051, "ID 051") PORT_DIPSETTING( 0052, "ID 052") PORT_DIPSETTING( 0053, "ID 053")
PORT_DIPSETTING( 0054, "ID 054") PORT_DIPSETTING( 0055, "ID 055") PORT_DIPSETTING( 0056, "ID 056") PORT_DIPSETTING( 0057, "ID 057")
PORT_DIPSETTING( 0060, "ID 060") PORT_DIPSETTING( 0061, "ID 061") PORT_DIPSETTING( 0062, "ID 062") PORT_DIPSETTING( 0063, "ID 063")
PORT_DIPSETTING( 0064, "ID 064") PORT_DIPSETTING( 0065, "ID 065") PORT_DIPSETTING( 0066, "ID 066") PORT_DIPSETTING( 0067, "ID 067")
PORT_DIPSETTING( 0070, "ID 070") PORT_DIPSETTING( 0071, "ID 071") PORT_DIPSETTING( 0072, "ID 072") PORT_DIPSETTING( 0073, "ID 073")
PORT_DIPSETTING( 0074, "ID 074") PORT_DIPSETTING( 0075, "ID 075") PORT_DIPSETTING( 0076, "ID 076") PORT_DIPSETTING( 0077, "ID 077")
PORT_DIPSETTING( 0100, "ID 100") PORT_DIPSETTING( 0101, "ID 101") PORT_DIPSETTING( 0102, "ID 102") PORT_DIPSETTING( 0103, "ID 103")
PORT_DIPSETTING( 0104, "ID 104") PORT_DIPSETTING( 0105, "ID 105") PORT_DIPSETTING( 0106, "ID 106") PORT_DIPSETTING( 0107, "ID 107")
PORT_DIPSETTING( 0110, "ID 110") PORT_DIPSETTING( 0111, "ID 111") PORT_DIPSETTING( 0112, "ID 112") PORT_DIPSETTING( 0113, "ID 113")
PORT_DIPSETTING( 0114, "ID 114") PORT_DIPSETTING( 0115, "ID 115") PORT_DIPSETTING( 0116, "ID 116") PORT_DIPSETTING( 0117, "ID 117")
PORT_DIPSETTING( 0120, "ID 120") PORT_DIPSETTING( 0121, "ID 121") PORT_DIPSETTING( 0122, "ID 122") PORT_DIPSETTING( 0123, "ID 123")
PORT_DIPSETTING( 0124, "ID 124") PORT_DIPSETTING( 0125, "ID 125") PORT_DIPSETTING( 0126, "ID 126") PORT_DIPSETTING( 0127, "ID 127")
PORT_DIPSETTING( 0130, "ID 130") PORT_DIPSETTING( 0131, "ID 131") PORT_DIPSETTING( 0132, "ID 132") PORT_DIPSETTING( 0133, "ID 133")
PORT_DIPSETTING( 0134, "ID 134") PORT_DIPSETTING( 0135, "ID 135") PORT_DIPSETTING( 0136, "ID 136") PORT_DIPSETTING( 0137, "ID 137")
PORT_DIPSETTING( 0140, "ID 140") PORT_DIPSETTING( 0141, "ID 141") PORT_DIPSETTING( 0142, "ID 142") PORT_DIPSETTING( 0143, "ID 143")
PORT_DIPSETTING( 0144, "ID 144") PORT_DIPSETTING( 0145, "ID 145") PORT_DIPSETTING( 0146, "ID 146") PORT_DIPSETTING( 0147, "ID 147")
PORT_DIPSETTING( 0150, "ID 150") PORT_DIPSETTING( 0151, "ID 151") PORT_DIPSETTING( 0152, "ID 152") PORT_DIPSETTING( 0153, "ID 153")
PORT_DIPSETTING( 0154, "ID 154") PORT_DIPSETTING( 0155, "ID 155") PORT_DIPSETTING( 0156, "ID 156") PORT_DIPSETTING( 0157, "ID 157")
PORT_DIPSETTING( 0160, "ID 160") PORT_DIPSETTING( 0161, "ID 161") PORT_DIPSETTING( 0162, "ID 162") PORT_DIPSETTING( 0163, "ID 163")
PORT_DIPSETTING( 0164, "ID 164") PORT_DIPSETTING( 0165, "ID 165") PORT_DIPSETTING( 0166, "ID 166") PORT_DIPSETTING( 0167, "ID 167")
PORT_DIPSETTING( 0170, "ID 170") PORT_DIPSETTING( 0171, "ID 171") PORT_DIPSETTING( 0172, "ID 172") PORT_DIPSETTING( 0173, "ID 173")
PORT_DIPSETTING( 0174, "ID 174") PORT_DIPSETTING( 0175, "ID 175") PORT_DIPSETTING( 0176, "ID 176") PORT_DIPSETTING( 0177, "ID 177")
PORT_DIPSETTING( 0200, "ID 200") PORT_DIPSETTING( 0201, "ID 201") PORT_DIPSETTING( 0202, "ID 202") PORT_DIPSETTING( 0203, "ID 203")
PORT_DIPSETTING( 0204, "ID 204") PORT_DIPSETTING( 0205, "ID 205") PORT_DIPSETTING( 0206, "ID 206") PORT_DIPSETTING( 0207, "ID 207")
PORT_DIPSETTING( 0210, "ID 210") PORT_DIPSETTING( 0211, "ID 211") PORT_DIPSETTING( 0212, "ID 212") PORT_DIPSETTING( 0213, "ID 213")
PORT_DIPSETTING( 0214, "ID 214") PORT_DIPSETTING( 0215, "ID 215") PORT_DIPSETTING( 0216, "ID 216") PORT_DIPSETTING( 0217, "ID 217")
PORT_DIPSETTING( 0220, "ID 220") PORT_DIPSETTING( 0221, "ID 221") PORT_DIPSETTING( 0222, "ID 222") PORT_DIPSETTING( 0223, "ID 223")
PORT_DIPSETTING( 0224, "ID 224") PORT_DIPSETTING( 0225, "ID 225") PORT_DIPSETTING( 0226, "ID 226") PORT_DIPSETTING( 0227, "ID 227")
PORT_DIPSETTING( 0230, "ID 230") PORT_DIPSETTING( 0231, "ID 231") PORT_DIPSETTING( 0232, "ID 232") PORT_DIPSETTING( 0233, "ID 233")
PORT_DIPSETTING( 0234, "ID 234") PORT_DIPSETTING( 0235, "ID 235") PORT_DIPSETTING( 0236, "ID 236") PORT_DIPSETTING( 0237, "ID 237")
PORT_DIPSETTING( 0240, "ID 240") PORT_DIPSETTING( 0241, "ID 241") PORT_DIPSETTING( 0242, "ID 242") PORT_DIPSETTING( 0243, "ID 243")
PORT_DIPSETTING( 0244, "ID 244") PORT_DIPSETTING( 0245, "ID 245") PORT_DIPSETTING( 0246, "ID 246") PORT_DIPSETTING( 0247, "ID 247")
PORT_DIPSETTING( 0250, "ID 250") PORT_DIPSETTING( 0251, "ID 251") PORT_DIPSETTING( 0252, "ID 252") PORT_DIPSETTING( 0253, "ID 253")
PORT_DIPSETTING( 0254, "ID 254") PORT_DIPSETTING( 0255, "ID 255") PORT_DIPSETTING( 0256, "ID 256") PORT_DIPSETTING( 0257, "ID 257")
PORT_DIPSETTING( 0260, "ID 260") PORT_DIPSETTING( 0261, "ID 261") PORT_DIPSETTING( 0262, "ID 262") PORT_DIPSETTING( 0263, "ID 263")
PORT_DIPSETTING( 0264, "ID 264") PORT_DIPSETTING( 0265, "ID 265") PORT_DIPSETTING( 0266, "ID 266") PORT_DIPSETTING( 0267, "ID 267")
PORT_DIPSETTING( 0270, "ID 270") PORT_DIPSETTING( 0271, "ID 271") PORT_DIPSETTING( 0272, "ID 272") PORT_DIPSETTING( 0273, "ID 273")
PORT_DIPSETTING( 0274, "ID 274") PORT_DIPSETTING( 0275, "ID 275") PORT_DIPSETTING( 0276, "ID 276") PORT_DIPSETTING( 0277, "ID 277")
PORT_DIPSETTING( 0300, "ID 300") PORT_DIPSETTING( 0301, "ID 301") PORT_DIPSETTING( 0302, "ID 302") PORT_DIPSETTING( 0303, "ID 303")
PORT_DIPSETTING( 0304, "ID 304") PORT_DIPSETTING( 0305, "ID 305") PORT_DIPSETTING( 0306, "ID 306") PORT_DIPSETTING( 0307, "ID 307")
PORT_DIPSETTING( 0310, "ID 310") PORT_DIPSETTING( 0311, "ID 311") PORT_DIPSETTING( 0312, "ID 312") PORT_DIPSETTING( 0313, "ID 313")
PORT_DIPSETTING( 0314, "ID 314") PORT_DIPSETTING( 0315, "ID 315") PORT_DIPSETTING( 0316, "ID 316") PORT_DIPSETTING( 0317, "ID 317")
PORT_DIPSETTING( 0320, "ID 320") PORT_DIPSETTING( 0321, "ID 321") PORT_DIPSETTING( 0322, "ID 322") PORT_DIPSETTING( 0323, "ID 323")
PORT_DIPSETTING( 0324, "ID 324") PORT_DIPSETTING( 0325, "ID 325") PORT_DIPSETTING( 0326, "ID 326") PORT_DIPSETTING( 0327, "ID 327")
PORT_DIPSETTING( 0330, "ID 330") PORT_DIPSETTING( 0331, "ID 331") PORT_DIPSETTING( 0332, "ID 332") PORT_DIPSETTING( 0333, "ID 333")
PORT_DIPSETTING( 0334, "ID 334") PORT_DIPSETTING( 0335, "ID 335") PORT_DIPSETTING( 0336, "ID 336") PORT_DIPSETTING( 0337, "ID 337")
PORT_DIPSETTING( 0340, "ID 340") PORT_DIPSETTING( 0341, "ID 341") PORT_DIPSETTING( 0342, "ID 342") PORT_DIPSETTING( 0343, "ID 343")
PORT_DIPSETTING( 0344, "ID 344") PORT_DIPSETTING( 0345, "ID 345") PORT_DIPSETTING( 0346, "ID 346") PORT_DIPSETTING( 0347, "ID 347")
PORT_DIPSETTING( 0350, "ID 350") PORT_DIPSETTING( 0351, "ID 351") PORT_DIPSETTING( 0352, "ID 352") PORT_DIPSETTING( 0353, "ID 353")
PORT_DIPSETTING( 0354, "ID 354") PORT_DIPSETTING( 0355, "ID 355") PORT_DIPSETTING( 0356, "ID 356") PORT_DIPSETTING( 0357, "ID 357")
PORT_DIPSETTING( 0360, "ID 360") PORT_DIPSETTING( 0361, "ID 361") PORT_DIPSETTING( 0362, "ID 362") PORT_DIPSETTING( 0363, "ID 363")
PORT_DIPSETTING( 0364, "ID 364") PORT_DIPSETTING( 0365, "ID 365") PORT_DIPSETTING( 0366, "ID 366") PORT_DIPSETTING( 0367, "ID 367")
PORT_DIPSETTING( 0370, "ID 370") PORT_DIPSETTING( 0371, "ID 371") PORT_DIPSETTING( 0372, "ID 372") PORT_DIPSETTING( 0373, "ID 373")
PORT_DIPSETTING( 0374, "ID 374") PORT_DIPSETTING( 0375, "ID 375")
INPUT_PORTS_END
u16 alto2_state::kb_r(offs_t offset)
{
return m_io_row[offset]->read();
}
void alto2_state::utilout_w(u16 data)
{
// FIXME: write printer data
// printer_write();
m_speaker->level_w(data ^ 0177777 ? 1 : 0);
}
/* ROM */
ROM_START( alto2 )
// dummy region for the maincpu - this is not used in any way
ROM_REGION( 0400, "maincpu", 0 )
ROM_FILL(0, 0400, ALTO2_UCODE_INVERTED)
ROM_END
//**************************************************************************
// ADDRESS MAPS
//**************************************************************************
void alto2_state::alto2(machine_config &config)
{
// Basic machine hardware
// SYSCLK is Display Control part A51 (tagged 29.4MHz) divided by 5(?)
// 5.8MHz according to de.wikipedia.org/wiki/Xerox_Alto
ALTO2(config, m_maincpu, XTAL(29'491'200)/5);
m_maincpu->kb_read_callback().set(FUNC(alto2_state::kb_r));
m_maincpu->utilout_callback().set(FUNC(alto2_state::utilout_w));
m_maincpu->set_diablo(0, DIABLO_HD_0);
m_maincpu->set_diablo(1, DIABLO_HD_1);
// Video hardware
screen_device &screen(SCREEN(config, "screen", SCREEN_TYPE_RASTER));
screen.set_color(rgb_t::white());
screen.set_physical_aspect(3, 4); // Portrait CRT
screen.set_raw(XTAL(20'160'000), A2_DISP_TOTAL_WIDTH, 0, A2_DISP_WIDTH, A2_DISP_TOTAL_HEIGHT, 0, A2_DISP_HEIGHT);
screen.set_refresh_hz(30); // Two interlaced fields at 60Hz => 30Hz frame rate
screen.set_screen_update("maincpu", FUNC(alto2_cpu_device::screen_update));
screen.set_palette("palette");
PALETTE(config, "palette", palette_device::MONOCHROME);
// Sound hardware
SPEAKER(config, "mono").front_center();
SPEAKER_SOUND(config, m_speaker).add_route(ALL_OUTPUTS, "mono", 0.80);
DIABLO_HD(config, DIABLO_HD_0, 3333333);
DIABLO_HD(config, DIABLO_HD_1, 3333333);
}
/* Driver Init */
void alto2_state::init_alto2()
{
// Create a timer which fires twice per frame, once for each field
m_vblank_timer = timer_alloc(TIMER_VBLANK);
m_vblank_timer->adjust(attotime::from_hz(2*30),0,attotime::from_hz(30*2));
}
void alto2_state::device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr)
{
alto2_cpu_device* cpu = downcast<alto2_cpu_device *>(m_maincpu.target());
switch (id) {
case TIMER_VBLANK:
cpu->screen_vblank();
break;
}
}
} // Anonymous namespace
/* Game Drivers */
// YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS
COMP( 1977, alto2, 0, 0, alto2, alto2, alto2_state, init_alto2, "Xerox", "Alto-II", 0 )
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