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r7624 Tuesday 23rd March, 2010 at 11:09:02 UTC by Curt Coder
[TRS80M2] Added keyboard hack, does not work in CP/M yet.
[src/mess/drivers]trs80m2.c

src/mess/drivers/trs80m2.c
r7623r7624
1212
1313   - wd17xx.c thinks the drive is always ready
1414    - keyboard CPU ROM
15    - keyboard layout
1615    - graphics board
1716
1817*/
r7623r7624
3332#include "machine/z80sio.h"
3433#include "video/mc6845.h"
3534
35/* Keyboard HACK */
36
37static const UINT8 trs80m2_keycodes[3][9][8] =
38{
39   /* unshifted */
40   {
41   { 0x1e, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37 },
42   { 0x38, 0x39, 0x30, 0x2d, 0x3d, 0x08, 0x7f, 0x2d },
43   { 0x37, 0x38, 0x39, 0x09, 0x71, 0x77, 0x65, 0x72 },
44   { 0x74, 0x79, 0x75, 0x69, 0x6f, 0x70, 0x5b, 0x5d },
45   { 0x1b, 0x2b, 0x34, 0x35, 0x36, 0x61, 0x73, 0x64 },
46   { 0x66, 0x67, 0x68, 0x6a, 0x6b, 0x6c, 0x3b, 0x27 },
47   { 0x0d, 0x0a, 0x01, 0x31, 0x32, 0x33, 0x7a, 0x78 },
48   { 0x63, 0x76, 0x62, 0x6e, 0x6d, 0x2c, 0x2e, 0x2f },
49   { 0x04, 0x02, 0x03, 0x30, 0x2e, 0x20, 0x00, 0x00 }
50   },
51
52   /* shifted */
53   {
54   { 0x1e, 0x21, 0x40, 0x23, 0x24, 0x25, 0x5e, 0x26 },
55   { 0x2a, 0x28, 0x29, 0x5f, 0x2b, 0x08, 0x7f, 0x2d },
56   { 0x37, 0x38, 0x39, 0x09, 0x51, 0x57, 0x45, 0x52 },
57   { 0x54, 0x59, 0x55, 0x49, 0x4f, 0x50, 0x7b, 0x7d },
58   { 0x1b, 0x2b, 0x34, 0x35, 0x36, 0x41, 0x53, 0x44 },
59   { 0x46, 0x47, 0x48, 0x4a, 0x4b, 0x4c, 0x3a, 0x22 },
60   { 0x0d, 0x0a, 0x01, 0x31, 0x32, 0x33, 0x5a, 0x58 },
61   { 0x43, 0x56, 0x42, 0x4e, 0x4d, 0x3c, 0x3e, 0x3f },
62   { 0x04, 0x02, 0x03, 0x30, 0x2e, 0x20, 0x00, 0x00 }
63   },
64
65   /* control */
66   {
67   { 0x9e, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97 },
68   { 0x98, 0x99, 0x90, 0x1f, 0x9a, 0x88, 0xff, 0xad },
69   { 0xb7, 0xb8, 0xb9, 0x89, 0x11, 0x17, 0x05, 0x12 },
70   { 0x14, 0x19, 0x15, 0x09, 0x0f, 0x10, 0x1b, 0x1d },
71   { 0x9b, 0xab, 0xb4, 0xb5, 0xb6, 0x01, 0x13, 0x04 },
72   { 0x06, 0x07, 0x08, 0x0a, 0x0b, 0x0c, 0x7e, 0x60 },
73   { 0x8d, 0x8a, 0x81, 0xb1, 0xb2, 0xb3, 0x1a, 0x18 },
74   { 0x03, 0x16, 0x02, 0x0e, 0x0d, 0x1c, 0x7c, 0x5c },
75   { 0x84, 0x82, 0x83, 0xb0, 0xae, 0x00, 0x00, 0x00 }
76   }
77};
78
79static void trs80m2_keyboard_scan(running_machine *machine)
80{
81   trs80m2_state *state = (trs80m2_state *)machine->driver_data;
82
83   if (!state->kbirq) return;
84
85   static const char *const keynames[] = { "ROW0", "ROW1", "ROW2", "ROW3", "ROW4", "ROW5", "ROW6", "ROW7", "ROW8" };
86   int table = 0, row, col;
87
88   if (input_port_read(machine, "ROW9") & 0x07)
89   {
90      /* shift, upper case */
91      table = 1;
92   }
93
94   if (input_port_read(machine, "ROW9") & 0x18)
95   {
96      /* ctrl */
97      table = 2;
98   }
99
100   /* scan keyboard */
101   for (row = 0; row < 9; row++)
102   {
103      UINT8 data = input_port_read(machine, keynames[row]);
104
105      for (col = 0; col < 8; col++)
106      {
107         if (BIT(data, col))
108         {
109            /* latch key data */
110            state->key_data = trs80m2_keycodes[table][row][col];
111            popmessage("Key %c", state->key_data);
112
113            /* trigger keyboard interrupt */
114            state->kbirq = 0;
115            z80ctc_trg3_w(state->z80ctc, state->kbirq);
116
117            return;
118         }
119      }
120   }
121}
122
123static TIMER_DEVICE_CALLBACK( trs80m2_keyboard_tick )
124{
125   trs80m2_keyboard_scan(timer->machine);
126}
127
36128/* Read/Write Handlers */
37129
38130static WRITE8_DEVICE_HANDLER( drvslt_w )
r7623r7624
132224   trs80m2_state *state = (trs80m2_state *)space->machine->driver_data;
133225
134226   /* clear keyboard interrupt */
135   state->kbirq = 1;
136   z80ctc_trg3_w(state->z80ctc, state->kbirq);
227   if (!state->kbirq)
228   {
229      state->kbirq = 1;
230      z80ctc_trg3_w(state->z80ctc, state->kbirq);
231   }
137232
138233   state->key_bit = 0;
139234
r7623r7624
347442
348443static INPUT_PORTS_START( trs80m2 )
349444   PORT_START("ROW0")
445   PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_IMPULSE(1) PORT_NAME("HELP") PORT_CODE(KEYCODE_TILDE)
446   PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_IMPULSE(1) PORT_CODE(KEYCODE_1) PORT_CHAR('1') PORT_CHAR('!')
447   PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_IMPULSE(1) PORT_CODE(KEYCODE_2) PORT_CHAR('2') PORT_CHAR('@')
448   PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_IMPULSE(1) PORT_CODE(KEYCODE_3) PORT_CHAR('3') PORT_CHAR('#')
449   PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_IMPULSE(1) PORT_CODE(KEYCODE_4) PORT_CHAR('4') PORT_CHAR('$')
450   PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_IMPULSE(1) PORT_CODE(KEYCODE_5) PORT_CHAR('5') PORT_CHAR('%')
451   PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_IMPULSE(1) PORT_CODE(KEYCODE_6) PORT_CHAR('6') PORT_CHAR('^')
452   PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_IMPULSE(1) PORT_CODE(KEYCODE_7) PORT_CHAR('7') PORT_CHAR('&')
453
454   PORT_START("ROW1")
455   PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_IMPULSE(1) PORT_CODE(KEYCODE_8) PORT_CHAR('8') PORT_CHAR('*')
456   PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_IMPULSE(1) PORT_CODE(KEYCODE_9) PORT_CHAR('9') PORT_CHAR('(')
457   PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_IMPULSE(1) PORT_CODE(KEYCODE_0) PORT_CHAR('0') PORT_CHAR(')')
458   PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_IMPULSE(1) PORT_CODE(KEYCODE_MINUS) PORT_CHAR('-') PORT_CHAR('_')
459   PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_IMPULSE(1) PORT_CODE(KEYCODE_EQUALS) PORT_CHAR('=') PORT_CHAR('+')
460   PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_IMPULSE(1) PORT_NAME("BACKSPACE") PORT_CODE(KEYCODE_BACKSPACE) PORT_CHAR(8)
461   PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_IMPULSE(1) PORT_NAME("DEL") PORT_CODE(KEYCODE_DEL)
462   PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_IMPULSE(1) PORT_NAME("Keypad -") PORT_CODE(KEYCODE_MINUS_PAD)
463
464   PORT_START("ROW2")
465   PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_IMPULSE(1) PORT_NAME("Keypad 7") PORT_CODE(KEYCODE_7_PAD)
466   PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_IMPULSE(1) PORT_NAME("Keypad 8") PORT_CODE(KEYCODE_8_PAD)
467   PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_IMPULSE(1) PORT_NAME("Keypad 9") PORT_CODE(KEYCODE_9_PAD)
468   PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_IMPULSE(1) PORT_NAME("TAB") PORT_CODE(KEYCODE_TAB) PORT_CHAR('\t')
469   PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_IMPULSE(1) PORT_CODE(KEYCODE_Q) PORT_CHAR('q') PORT_CHAR('Q')
470   PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_IMPULSE(1) PORT_CODE(KEYCODE_W) PORT_CHAR('w') PORT_CHAR('W')
471   PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_IMPULSE(1) PORT_CODE(KEYCODE_E) PORT_CHAR('e') PORT_CHAR('E')
472   PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_IMPULSE(1) PORT_CODE(KEYCODE_R) PORT_CHAR('r') PORT_CHAR('R')
473
474   PORT_START("ROW3")
475   PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_IMPULSE(1) PORT_CODE(KEYCODE_T) PORT_CHAR('t') PORT_CHAR('T')
476   PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_IMPULSE(1) PORT_CODE(KEYCODE_Y) PORT_CHAR('y') PORT_CHAR('Y')
477   PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_IMPULSE(1) PORT_CODE(KEYCODE_U) PORT_CHAR('u') PORT_CHAR('U')
478   PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_IMPULSE(1) PORT_CODE(KEYCODE_I) PORT_CHAR('i') PORT_CHAR('I')
479   PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_IMPULSE(1) PORT_CODE(KEYCODE_O) PORT_CHAR('o') PORT_CHAR('O')
480   PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_IMPULSE(1) PORT_CODE(KEYCODE_P) PORT_CHAR('p') PORT_CHAR('P')
481   PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_IMPULSE(1) PORT_CODE(KEYCODE_OPENBRACE) PORT_CHAR('[') PORT_CHAR('{')
482   PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_IMPULSE(1) PORT_CODE(KEYCODE_CLOSEBRACE) PORT_CHAR(']') PORT_CHAR('}')
483
484   PORT_START("ROW4")
485   PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_IMPULSE(1) PORT_NAME("ESC") PORT_CODE(KEYCODE_ESC) PORT_CHAR(UCHAR_MAMEKEY(ESC))
486   PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_IMPULSE(1) PORT_NAME("Keypad +") PORT_CODE(KEYCODE_PLUS_PAD)
487   PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_IMPULSE(1) PORT_NAME("Keypad 4") PORT_CODE(KEYCODE_4_PAD)
488   PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_IMPULSE(1) PORT_NAME("Keypad 5") PORT_CODE(KEYCODE_5_PAD)
489   PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_IMPULSE(1) PORT_NAME("Keypad 6") PORT_CODE(KEYCODE_6_PAD)
490   PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_IMPULSE(1) PORT_CODE(KEYCODE_A) PORT_CHAR('a') PORT_CHAR('A')
491   PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_IMPULSE(1) PORT_CODE(KEYCODE_S) PORT_CHAR('s') PORT_CHAR('S')
492   PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_IMPULSE(1) PORT_CODE(KEYCODE_D) PORT_CHAR('d') PORT_CHAR('D')
493
494   PORT_START("ROW5")
495   PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_IMPULSE(1) PORT_CODE(KEYCODE_F) PORT_CHAR('f') PORT_CHAR('F')
496   PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_IMPULSE(1) PORT_CODE(KEYCODE_G) PORT_CHAR('g') PORT_CHAR('G')
497   PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_IMPULSE(1) PORT_CODE(KEYCODE_H) PORT_CHAR('h') PORT_CHAR('H')
498   PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_IMPULSE(1) PORT_CODE(KEYCODE_J) PORT_CHAR('j') PORT_CHAR('J')
499   PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_IMPULSE(1) PORT_CODE(KEYCODE_K) PORT_CHAR('k') PORT_CHAR('K')
500   PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_IMPULSE(1) PORT_CODE(KEYCODE_L) PORT_CHAR('l') PORT_CHAR('L')
501   PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_IMPULSE(1) PORT_CODE(KEYCODE_COLON) PORT_CHAR(';') PORT_CHAR(':')
502   PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_IMPULSE(1) PORT_CODE(KEYCODE_QUOTE) PORT_CHAR('\'') PORT_CHAR('"')
503
504   PORT_START("ROW6")
505   PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_IMPULSE(1) PORT_NAME("RETURN") PORT_CODE(KEYCODE_ENTER) PORT_CHAR('\r')
506   PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_IMPULSE(1) PORT_NAME("LINE FEED") PORT_CODE(KEYCODE_ENTER_PAD)
507   PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_IMPULSE(1) PORT_NAME("\xE2\x86\x91") PORT_CODE(KEYCODE_UP) PORT_CHAR(UCHAR_MAMEKEY(UP))
508   PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_IMPULSE(1) PORT_NAME("Keypad 1") PORT_CODE(KEYCODE_1_PAD)
509   PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_IMPULSE(1) PORT_NAME("Keypad 2") PORT_CODE(KEYCODE_2_PAD)
510   PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_IMPULSE(1) PORT_NAME("Keypad 3") PORT_CODE(KEYCODE_3_PAD)
511   PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_IMPULSE(1) PORT_CODE(KEYCODE_Z) PORT_CHAR('z') PORT_CHAR('Z')
512   PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_IMPULSE(1) PORT_CODE(KEYCODE_X) PORT_CHAR('x') PORT_CHAR('X')
513
514   PORT_START("ROW7")
515   PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_IMPULSE(1) PORT_CODE(KEYCODE_C) PORT_CHAR('c') PORT_CHAR('C')
516   PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_IMPULSE(1) PORT_CODE(KEYCODE_V) PORT_CHAR('v') PORT_CHAR('V')
517   PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_IMPULSE(1) PORT_CODE(KEYCODE_B) PORT_CHAR('b') PORT_CHAR('B')
518   PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_IMPULSE(1) PORT_CODE(KEYCODE_N) PORT_CHAR('n') PORT_CHAR('N')
519   PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_IMPULSE(1) PORT_CODE(KEYCODE_M) PORT_CHAR('m') PORT_CHAR('M')
520   PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_IMPULSE(1) PORT_CODE(KEYCODE_COMMA) PORT_CHAR(',') PORT_CHAR('<')
521   PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_IMPULSE(1) PORT_CODE(KEYCODE_STOP) PORT_CHAR('.') PORT_CHAR('>')
522   PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_IMPULSE(1) PORT_CODE(KEYCODE_SLASH) PORT_CHAR('/') PORT_CHAR('?')
523
524   PORT_START("ROW8")
525   PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_IMPULSE(1) PORT_NAME("\xE2\x86\x90") PORT_CODE(KEYCODE_LEFT) PORT_CHAR(UCHAR_MAMEKEY(LEFT))
526   PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_IMPULSE(1) PORT_NAME("\xE2\x86\x93") PORT_CODE(KEYCODE_DOWN) PORT_CHAR(UCHAR_MAMEKEY(DOWN))
527   PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_IMPULSE(1) PORT_NAME("\xE2\x86\x92") PORT_CODE(KEYCODE_RIGHT) PORT_CHAR(UCHAR_MAMEKEY(RIGHT))
528   PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_IMPULSE(1) PORT_NAME("Keypad 0") PORT_CODE(KEYCODE_0_PAD)
529   PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_IMPULSE(1) PORT_NAME("Keypad .") PORT_CODE(KEYCODE_ASTERISK)
530   PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_IMPULSE(1) PORT_NAME("SPACE") PORT_CODE(KEYCODE_SPACE) PORT_CHAR(' ')
531   PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD )
532   PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD )
533
534   PORT_START("ROW9")
535   PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("LOCK") PORT_CODE(KEYCODE_CAPSLOCK) PORT_TOGGLE
536   PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("LEFT SHIFT") PORT_CODE(KEYCODE_LSHIFT) PORT_CHAR(UCHAR_SHIFT_1)
537   PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("RIGHT SHIFT") PORT_CODE(KEYCODE_RSHIFT)
538   PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("LEFT CTRL") PORT_CODE(KEYCODE_LCONTROL) PORT_CHAR(UCHAR_MAMEKEY(LCONTROL))
539   PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("RIGHT CTRL") PORT_CODE(KEYCODE_RCONTROL) PORT_CHAR(UCHAR_MAMEKEY(RCONTROL))
540INPUT_PORTS_END
541
542static INPUT_PORTS_START( trs80m2_real )
543   PORT_START("ROW0")
350544   PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNUSED )
351545   PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_SLASH) PORT_CHAR('/') PORT_CHAR('?')
352546   PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("SPACE") PORT_CODE(KEYCODE_SPACE) PORT_CHAR(' ')
r7623r7624
790984
791985   /* clear keyboard interrupt */
792986   state->kbirq = 1;
987   z80ctc_trg3_w(state->z80ctc, state->kbirq);
793988
794989   /* enable boot ROM */
795990   state->boot_rom = 1;
r7623r7624
8431038   MDRV_CENTRONICS_ADD(CENTRONICS_TAG, centronics_intf)
8441039   MDRV_FLOPPY_DRIVE_ADD(FLOPPY_0, trs80m2_floppy_config)
8451040
1041   MDRV_TIMER_ADD_PERIODIC("keyboard", trs80m2_keyboard_tick, HZ(60))
1042
8461043   /* internal RAM */
8471044   MDRV_RAM_ADD("messram")
8481045   MDRV_RAM_DEFAULT_SIZE("32K")

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