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r20433 Thursday 24th January, 2013 at 15:08:01 UTC by Curt Coder
(MESS) trs80m2: Use ASCII keyboard. (nw)
[src/mess/drivers]trs80m2.c
[src/mess/includes]trs80m2.h

trunk/src/mess/includes/trs80m2.h
r20432r20433
1010#include "cpu/mcs48/mcs48.h"
1111#include "cpu/m68000/m68000.h"
1212#include "machine/ctronics.h"
13#include "machine/keyboard.h"
1314#include "machine/pic8259.h"
1415#include "machine/ram.h"
1516#include "machine/trs80m2kb.h"
r20432r20433
9899   void fdc_intrq_w(bool state);
99100   void fdc_drq_w(bool state);
100101   DECLARE_WRITE_LINE_MEMBER( kb_clock_w );
102   DECLARE_WRITE8_MEMBER( kbd_w );
101103
102   void scan_keyboard();
103
104104   // memory state
105105   int m_boot_rom;
106106   int m_bank;
r20432r20433
121121   int m_de;
122122   int m_rtc_int;
123123   int m_enable_rtc_int;
124   TIMER_DEVICE_CALLBACK_MEMBER(trs80m2_keyboard_tick);
124
125125   TIMER_DEVICE_CALLBACK_MEMBER(ctc_tick);
126126};
127127
trunk/src/mess/drivers/trs80m2.c
r20432r20433
2424
2525
2626//**************************************************************************
27//  KEYBOARD HACK
28//**************************************************************************
29
30static const UINT8 trs80m2_keycodes[3][9][8] =
31{
32   // unshifted
33   {
34   { 0x1e, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37 },
35   { 0x38, 0x39, 0x30, 0x2d, 0x3d, 0x08, 0x7f, 0x2d },
36   { 0x37, 0x38, 0x39, 0x09, 0x71, 0x77, 0x65, 0x72 },
37   { 0x74, 0x79, 0x75, 0x69, 0x6f, 0x70, 0x5b, 0x5d },
38   { 0x1b, 0x2b, 0x34, 0x35, 0x36, 0x61, 0x73, 0x64 },
39   { 0x66, 0x67, 0x68, 0x6a, 0x6b, 0x6c, 0x3b, 0x27 },
40   { 0x0d, 0x0a, 0x01, 0x31, 0x32, 0x33, 0x7a, 0x78 },
41   { 0x63, 0x76, 0x62, 0x6e, 0x6d, 0x2c, 0x2e, 0x2f },
42   { 0x04, 0x02, 0x03, 0x30, 0x2e, 0x20, 0x00, 0x00 }
43   },
44
45   // shifted
46   {
47   { 0x1e, 0x21, 0x40, 0x23, 0x24, 0x25, 0x5e, 0x26 },
48   { 0x2a, 0x28, 0x29, 0x5f, 0x2b, 0x08, 0x7f, 0x2d },
49   { 0x37, 0x38, 0x39, 0x09, 0x51, 0x57, 0x45, 0x52 },
50   { 0x54, 0x59, 0x55, 0x49, 0x4f, 0x50, 0x7b, 0x7d },
51   { 0x1b, 0x2b, 0x34, 0x35, 0x36, 0x41, 0x53, 0x44 },
52   { 0x46, 0x47, 0x48, 0x4a, 0x4b, 0x4c, 0x3a, 0x22 },
53   { 0x0d, 0x0a, 0x01, 0x31, 0x32, 0x33, 0x5a, 0x58 },
54   { 0x43, 0x56, 0x42, 0x4e, 0x4d, 0x3c, 0x3e, 0x3f },
55   { 0x04, 0x02, 0x03, 0x30, 0x2e, 0x20, 0x00, 0x00 }
56   },
57
58   // control
59   {
60   { 0x9e, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97 },
61   { 0x98, 0x99, 0x90, 0x1f, 0x9a, 0x88, 0xff, 0xad },
62   { 0xb7, 0xb8, 0xb9, 0x89, 0x11, 0x17, 0x05, 0x12 },
63   { 0x14, 0x19, 0x15, 0x09, 0x0f, 0x10, 0x1b, 0x1d },
64   { 0x9b, 0xab, 0xb4, 0xb5, 0xb6, 0x01, 0x13, 0x04 },
65   { 0x06, 0x07, 0x08, 0x0a, 0x0b, 0x0c, 0x7e, 0x60 },
66   { 0x8d, 0x8a, 0x81, 0xb1, 0xb2, 0xb3, 0x1a, 0x18 },
67   { 0x03, 0x16, 0x02, 0x0e, 0x0d, 0x1c, 0x7c, 0x5c },
68   { 0x84, 0x82, 0x83, 0xb0, 0xae, 0x00, 0x00, 0x00 }
69   }
70};
71
72void trs80m2_state::scan_keyboard()
73{
74   if (!m_kbirq) return;
75
76   static const char *const keynames[] = { "ROW0", "ROW1", "ROW2", "ROW3", "ROW4", "ROW5", "ROW6", "ROW7", "ROW8" };
77   int table = 0, row, col;
78
79   if (ioport("ROW9")->read() & 0x07)
80   {
81      // shift, upper case
82      table = 1;
83   }
84
85   if (ioport("ROW9")->read() & 0x18)
86   {
87      // ctrl
88      table = 2;
89   }
90
91   // scan keyboard
92   for (row = 0; row < 9; row++)
93   {
94      UINT8 data = ioport(keynames[row])->read();
95
96      for (col = 0; col < 8; col++)
97      {
98         if (BIT(data, col))
99         {
100            // latch key data
101            m_key_data = trs80m2_keycodes[table][row][col];
102
103            // trigger keyboard interrupt
104            m_kbirq = 0;
105            m_ctc->trg3(m_kbirq);
106
107            return;
108         }
109      }
110   }
111}
112
113TIMER_DEVICE_CALLBACK_MEMBER(trs80m2_state::trs80m2_keyboard_tick)
114{
115   scan_keyboard();
116}
117
118
119
120//**************************************************************************
12127//  READ/WRITE HANDLERS
12228//**************************************************************************
12329
r20432r20433
466372//-------------------------------------------------
467373
468374static INPUT_PORTS_START( trs80m2 )
469   PORT_START("ROW0")
470   PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_IMPULSE(1) PORT_NAME("HELP") PORT_CODE(KEYCODE_TILDE)
471   PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_IMPULSE(1) PORT_CODE(KEYCODE_1) PORT_CHAR('1') PORT_CHAR('!')
472   PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_IMPULSE(1) PORT_CODE(KEYCODE_2) PORT_CHAR('2') PORT_CHAR('@')
473   PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_IMPULSE(1) PORT_CODE(KEYCODE_3) PORT_CHAR('3') PORT_CHAR('#')
474   PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_IMPULSE(1) PORT_CODE(KEYCODE_4) PORT_CHAR('4') PORT_CHAR('$')
475   PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_IMPULSE(1) PORT_CODE(KEYCODE_5) PORT_CHAR('5') PORT_CHAR('%')
476   PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_IMPULSE(1) PORT_CODE(KEYCODE_6) PORT_CHAR('6') PORT_CHAR('^')
477   PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_IMPULSE(1) PORT_CODE(KEYCODE_7) PORT_CHAR('7') PORT_CHAR('&')
478
479   PORT_START("ROW1")
480   PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_IMPULSE(1) PORT_CODE(KEYCODE_8) PORT_CHAR('8') PORT_CHAR('*')
481   PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_IMPULSE(1) PORT_CODE(KEYCODE_9) PORT_CHAR('9') PORT_CHAR('(')
482   PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_IMPULSE(1) PORT_CODE(KEYCODE_0) PORT_CHAR('0') PORT_CHAR(')')
483   PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_IMPULSE(1) PORT_CODE(KEYCODE_MINUS) PORT_CHAR('-') PORT_CHAR('_')
484   PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_IMPULSE(1) PORT_CODE(KEYCODE_EQUALS) PORT_CHAR('=') PORT_CHAR('+')
485   PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_IMPULSE(1) PORT_NAME("BACKSPACE") PORT_CODE(KEYCODE_BACKSPACE) PORT_CHAR(8)
486   PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_IMPULSE(1) PORT_NAME("DEL") PORT_CODE(KEYCODE_DEL)
487   PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_IMPULSE(1) PORT_NAME("Keypad -") PORT_CODE(KEYCODE_MINUS_PAD)
488
489   PORT_START("ROW2")
490   PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_IMPULSE(1) PORT_NAME("Keypad 7") PORT_CODE(KEYCODE_7_PAD)
491   PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_IMPULSE(1) PORT_NAME("Keypad 8") PORT_CODE(KEYCODE_8_PAD)
492   PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_IMPULSE(1) PORT_NAME("Keypad 9") PORT_CODE(KEYCODE_9_PAD)
493   PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_IMPULSE(1) PORT_NAME("TAB") PORT_CODE(KEYCODE_TAB) PORT_CHAR('\t')
494   PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_IMPULSE(1) PORT_CODE(KEYCODE_Q) PORT_CHAR('q') PORT_CHAR('Q')
495   PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_IMPULSE(1) PORT_CODE(KEYCODE_W) PORT_CHAR('w') PORT_CHAR('W')
496   PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_IMPULSE(1) PORT_CODE(KEYCODE_E) PORT_CHAR('e') PORT_CHAR('E')
497   PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_IMPULSE(1) PORT_CODE(KEYCODE_R) PORT_CHAR('r') PORT_CHAR('R')
498
499   PORT_START("ROW3")
500   PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_IMPULSE(1) PORT_CODE(KEYCODE_T) PORT_CHAR('t') PORT_CHAR('T')
501   PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_IMPULSE(1) PORT_CODE(KEYCODE_Y) PORT_CHAR('y') PORT_CHAR('Y')
502   PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_IMPULSE(1) PORT_CODE(KEYCODE_U) PORT_CHAR('u') PORT_CHAR('U')
503   PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_IMPULSE(1) PORT_CODE(KEYCODE_I) PORT_CHAR('i') PORT_CHAR('I')
504   PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_IMPULSE(1) PORT_CODE(KEYCODE_O) PORT_CHAR('o') PORT_CHAR('O')
505   PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_IMPULSE(1) PORT_CODE(KEYCODE_P) PORT_CHAR('p') PORT_CHAR('P')
506   PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_IMPULSE(1) PORT_CODE(KEYCODE_OPENBRACE) PORT_CHAR('[') PORT_CHAR('{')
507   PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_IMPULSE(1) PORT_CODE(KEYCODE_CLOSEBRACE) PORT_CHAR(']') PORT_CHAR('}')
508
509   PORT_START("ROW4")
510   PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_IMPULSE(1) PORT_NAME("ESC") PORT_CODE(KEYCODE_ESC) PORT_CHAR(UCHAR_MAMEKEY(ESC))
511   PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_IMPULSE(1) PORT_NAME("Keypad +") PORT_CODE(KEYCODE_PLUS_PAD)
512   PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_IMPULSE(1) PORT_NAME("Keypad 4") PORT_CODE(KEYCODE_4_PAD)
513   PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_IMPULSE(1) PORT_NAME("Keypad 5") PORT_CODE(KEYCODE_5_PAD)
514   PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_IMPULSE(1) PORT_NAME("Keypad 6") PORT_CODE(KEYCODE_6_PAD)
515   PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_IMPULSE(1) PORT_CODE(KEYCODE_A) PORT_CHAR('a') PORT_CHAR('A')
516   PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_IMPULSE(1) PORT_CODE(KEYCODE_S) PORT_CHAR('s') PORT_CHAR('S')
517   PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_IMPULSE(1) PORT_CODE(KEYCODE_D) PORT_CHAR('d') PORT_CHAR('D')
518
519   PORT_START("ROW5")
520   PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_IMPULSE(1) PORT_CODE(KEYCODE_F) PORT_CHAR('f') PORT_CHAR('F')
521   PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_IMPULSE(1) PORT_CODE(KEYCODE_G) PORT_CHAR('g') PORT_CHAR('G')
522   PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_IMPULSE(1) PORT_CODE(KEYCODE_H) PORT_CHAR('h') PORT_CHAR('H')
523   PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_IMPULSE(1) PORT_CODE(KEYCODE_J) PORT_CHAR('j') PORT_CHAR('J')
524   PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_IMPULSE(1) PORT_CODE(KEYCODE_K) PORT_CHAR('k') PORT_CHAR('K')
525   PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_IMPULSE(1) PORT_CODE(KEYCODE_L) PORT_CHAR('l') PORT_CHAR('L')
526   PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_IMPULSE(1) PORT_CODE(KEYCODE_COLON) PORT_CHAR(';') PORT_CHAR(':')
527   PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_IMPULSE(1) PORT_CODE(KEYCODE_QUOTE) PORT_CHAR('\'') PORT_CHAR('"')
528
529   PORT_START("ROW6")
530   PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_IMPULSE(1) PORT_NAME("RETURN") PORT_CODE(KEYCODE_ENTER) PORT_CHAR('\r')
531   PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_IMPULSE(1) PORT_NAME("LINE FEED") PORT_CODE(KEYCODE_ENTER_PAD)
532   PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_IMPULSE(1) PORT_NAME(UTF8_UP) PORT_CODE(KEYCODE_UP) PORT_CHAR(UCHAR_MAMEKEY(UP))
533   PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_IMPULSE(1) PORT_NAME("Keypad 1") PORT_CODE(KEYCODE_1_PAD)
534   PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_IMPULSE(1) PORT_NAME("Keypad 2") PORT_CODE(KEYCODE_2_PAD)
535   PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_IMPULSE(1) PORT_NAME("Keypad 3") PORT_CODE(KEYCODE_3_PAD)
536   PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_IMPULSE(1) PORT_CODE(KEYCODE_Z) PORT_CHAR('z') PORT_CHAR('Z')
537   PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_IMPULSE(1) PORT_CODE(KEYCODE_X) PORT_CHAR('x') PORT_CHAR('X')
538
539   PORT_START("ROW7")
540   PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_IMPULSE(1) PORT_CODE(KEYCODE_C) PORT_CHAR('c') PORT_CHAR('C')
541   PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_IMPULSE(1) PORT_CODE(KEYCODE_V) PORT_CHAR('v') PORT_CHAR('V')
542   PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_IMPULSE(1) PORT_CODE(KEYCODE_B) PORT_CHAR('b') PORT_CHAR('B')
543   PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_IMPULSE(1) PORT_CODE(KEYCODE_N) PORT_CHAR('n') PORT_CHAR('N')
544   PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_IMPULSE(1) PORT_CODE(KEYCODE_M) PORT_CHAR('m') PORT_CHAR('M')
545   PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_IMPULSE(1) PORT_CODE(KEYCODE_COMMA) PORT_CHAR(',') PORT_CHAR('<')
546   PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_IMPULSE(1) PORT_CODE(KEYCODE_STOP) PORT_CHAR('.') PORT_CHAR('>')
547   PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_IMPULSE(1) PORT_CODE(KEYCODE_SLASH) PORT_CHAR('/') PORT_CHAR('?')
548
549   PORT_START("ROW8")
550   PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_IMPULSE(1) PORT_NAME(UTF8_LEFT) PORT_CODE(KEYCODE_LEFT) PORT_CHAR(UCHAR_MAMEKEY(LEFT))
551   PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_IMPULSE(1) PORT_NAME(UTF8_DOWN) PORT_CODE(KEYCODE_DOWN) PORT_CHAR(UCHAR_MAMEKEY(DOWN))
552   PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_IMPULSE(1) PORT_NAME(UTF8_RIGHT) PORT_CODE(KEYCODE_RIGHT) PORT_CHAR(UCHAR_MAMEKEY(RIGHT))
553   PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_IMPULSE(1) PORT_NAME("Keypad 0") PORT_CODE(KEYCODE_0_PAD)
554   PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_IMPULSE(1) PORT_NAME("Keypad .") PORT_CODE(KEYCODE_ASTERISK)
555   PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_IMPULSE(1) PORT_NAME("SPACE") PORT_CODE(KEYCODE_SPACE) PORT_CHAR(' ')
556   PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD )
557   PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD )
558
559   PORT_START("ROW9")
560   PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("LOCK") PORT_CODE(KEYCODE_CAPSLOCK) PORT_TOGGLE
561   PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("LEFT SHIFT") PORT_CODE(KEYCODE_LSHIFT) PORT_CHAR(UCHAR_SHIFT_1)
562   PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("RIGHT SHIFT") PORT_CODE(KEYCODE_RSHIFT)
563   PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("LEFT CTRL") PORT_CODE(KEYCODE_LCONTROL) PORT_CHAR(UCHAR_MAMEKEY(LCONTROL))
564   PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("RIGHT CTRL") PORT_CODE(KEYCODE_RCONTROL) PORT_CHAR(UCHAR_MAMEKEY(RCONTROL))
565375INPUT_PORTS_END
566376
567377
r20432r20433
698508   DEVCB_DRIVER_LINE_MEMBER(trs80m2_state, kb_clock_w)
699509};
700510
511WRITE8_MEMBER( trs80m2_state::kbd_w )
512{
513   // latch key data
514   m_key_data = data;
701515
516   // trigger keyboard interrupt
517   m_kbirq = 0;
518   m_ctc->trg3(m_kbirq);
519}
520
521static ASCII_KEYBOARD_INTERFACE( keyboard_intf )
522{
523   DEVCB_DRIVER_MEMBER(trs80m2_state, kbd_w)
524};
525
526
702527//-------------------------------------------------
703528//  Z80DMA_INTERFACE( dma_intf )
704529//-------------------------------------------------
r20432r20433
1023848   MCFG_FLOPPY_DRIVE_ADD(FD1791_TAG":2", trs80m2_floppies, NULL,    NULL, floppy_image_device::default_floppy_formats)
1024849   MCFG_FLOPPY_DRIVE_ADD(FD1791_TAG":3", trs80m2_floppies, NULL,    NULL, floppy_image_device::default_floppy_formats)
1025850   MCFG_TRS80M2_KEYBOARD_ADD(kb_intf)
851   MCFG_ASCII_KEYBOARD_ADD(KEYBOARD_TAG, keyboard_intf)
1026852
1027   MCFG_TIMER_DRIVER_ADD_PERIODIC("keyboard", trs80m2_state, trs80m2_keyboard_tick, attotime::from_hz(60))
1028
1029853   // internal RAM
1030854   MCFG_RAM_ADD(RAM_TAG)
1031855   MCFG_RAM_DEFAULT_SIZE("32K")
r20432r20433
1076900   MCFG_PIC8259_ADD(AM9519A_TAG, pic_intf)
1077901   MCFG_TRS80M2_KEYBOARD_ADD(kb_intf)
1078902
1079   MCFG_TIMER_DRIVER_ADD_PERIODIC("keyboard", trs80m2_state, trs80m2_keyboard_tick, attotime::from_hz(60))
1080
1081903   // internal RAM
1082904   MCFG_RAM_ADD(RAM_TAG)
1083905   MCFG_RAM_DEFAULT_SIZE("256K")

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