1 // license:BSD-3-Clause
2 // copyright-holders:Curt Coder
3 /**********************************************************************
4 
5     IBM Model F PC/AT 84-key / 3270PC 122-key keyboard emulation
6 
7 *********************************************************************/
8 
9 /*
10 
11     TODO:
12 
13     - cpu LC timing
14     - 3270PC keys
15 
16 */
17 
18 /*
19 
20     Part No     Layout
21     -------------------
22     6450225     UK 84-key
23     6110344     UK 122-key
24 
25 */
26 
27 #include "emu.h"
28 #include "pcat84.h"
29 
30 
31 
32 //**************************************************************************
33 //  MACROS / CONSTANTS
34 //**************************************************************************
35 
36 #define I8048_TAG       "m5"
37 
38 
39 
40 //**************************************************************************
41 //  DEVICE DEFINITIONS
42 //**************************************************************************
43 
44 DEFINE_DEVICE_TYPE(PC_KBD_IBM_PC_AT_84,   ibm_pc_at_84_keyboard_device,   "kb_pcat84", "IBM PC/AT Keyboard")
45 DEFINE_DEVICE_TYPE(PC_KBD_IBM_3270PC_122, ibm_3270pc_122_keyboard_device, "kb_3270pc", "IBM 3270PC Keyboard")
46 
47 
48 //-------------------------------------------------
49 //  ROM( ibm_pc_at_84_keyboard )
50 //-------------------------------------------------
51 
ROM_START(ibm_pc_at_84_keyboard)52 ROM_START( ibm_pc_at_84_keyboard )
53 	ROM_REGION( 0x400, I8048_TAG, 0 )
54 	/*
55 	Keyboard Part No 6450225
56 
57 	PH 1503099
58 	D 878154
59 	8441 D H
60 	*/
61 	ROM_LOAD( "1503099.m5", 0x000, 0x400, CRC(1e921f37) SHA1(5f722bdb3b57f5a532c02a5c3f78f30d785796f2) )
62 ROM_END
63 
64 
65 //-------------------------------------------------
66 //  rom_region - device-specific ROM region
67 //-------------------------------------------------
68 
69 const tiny_rom_entry *ibm_pc_at_84_keyboard_device::device_rom_region() const
70 {
71 	return ROM_NAME( ibm_pc_at_84_keyboard );
72 }
73 
74 
75 //-------------------------------------------------
76 //  ROM( ibm_3270pc_122_keyboard )
77 //-------------------------------------------------
78 
79 ROM_START( ibm_3270pc_122_keyboard )
80 	ROM_REGION( 0x400, I8048_TAG, 0 )
81 	/*
82 	Keyboard Part No 6110344
83 
84 	PH 1385001
85 	D
86 	8512 D H
87 	*/
CRC(c19767e9)88 	ROM_LOAD( "1385001.m5", 0x000, 0x400, CRC(c19767e9) SHA1(a3701e4617383a4de0fd5e2e86c4b74beaf94a7b) )
89 ROM_END
90 
91 
92 //-------------------------------------------------
93 //  rom_region - device-specific ROM region
94 //-------------------------------------------------
95 
96 const tiny_rom_entry *ibm_3270pc_122_keyboard_device::device_rom_region() const
97 {
98 	return ROM_NAME( ibm_3270pc_122_keyboard );
99 }
100 
101 
102 //-------------------------------------------------
103 //  device_add_mconfig - add device configuration
104 //-------------------------------------------------
105 
device_add_mconfig(machine_config & config)106 void ibm_pc_at_84_keyboard_device::device_add_mconfig(machine_config &config)
107 {
108 	I8048(config, m_maincpu, 5364000);
109 	m_maincpu->bus_out_cb().set(FUNC(ibm_pc_at_84_keyboard_device::bus_w));
110 	m_maincpu->p1_in_cb().set(FUNC(ibm_pc_at_84_keyboard_device::p1_r));
111 	m_maincpu->p1_out_cb().set(FUNC(ibm_pc_at_84_keyboard_device::p1_w));
112 	m_maincpu->p2_in_cb().set(FUNC(ibm_pc_at_84_keyboard_device::p2_r));
113 	m_maincpu->p2_out_cb().set(FUNC(ibm_pc_at_84_keyboard_device::p2_w));
114 	m_maincpu->t0_in_cb().set(FUNC(ibm_pc_at_84_keyboard_device::t0_r));
115 	m_maincpu->t1_in_cb().set(FUNC(ibm_pc_at_84_keyboard_device::t1_r));
116 }
117 
118 
119 //-------------------------------------------------
120 //  INPUT_PORTS( ibm_pc_at_84_keyboard )
121 //-------------------------------------------------
122 
123 INPUT_PORTS_START( ibm_pc_at_84_keyboard )
124 	PORT_START("DR00")
PORT_CODE(KEYCODE_F9)125 	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_F9) PORT_CHAR(UCHAR_MAMEKEY(F9))
126 	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_F7) PORT_CHAR(UCHAR_MAMEKEY(F7))
127 	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_F5) PORT_CHAR(UCHAR_MAMEKEY(F5))
128 	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_F3) PORT_CHAR(UCHAR_MAMEKEY(F3))
129 	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_F1) PORT_CHAR(UCHAR_MAMEKEY(F1))
130 	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_F2) PORT_CHAR(UCHAR_MAMEKEY(F2))
131 	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNUSED )
132 	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNUSED )
133 
134 	PORT_START("DR01")
135 	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_F10) PORT_CHAR(UCHAR_MAMEKEY(F10))
136 	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_F8) PORT_CHAR(UCHAR_MAMEKEY(F8))
137 	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_F6) PORT_CHAR(UCHAR_MAMEKEY(F6))
138 	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_F4) PORT_CHAR(UCHAR_MAMEKEY(F4))
139 	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_TAB) PORT_CHAR(UCHAR_MAMEKEY(TAB))
140 	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_UNUSED )
141 	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNUSED )
142 	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNUSED )
143 
144 	PORT_START("DR02")
145 	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_LALT) PORT_CHAR(UCHAR_MAMEKEY(LALT))
146 	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_LSHIFT) PORT_CHAR(UCHAR_SHIFT_1)
147 	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_UNUSED )
148 	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_LCONTROL) PORT_CHAR(UCHAR_SHIFT_2)
149 	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_Q) PORT_CHAR('q') PORT_CHAR('Q')
150 	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_1) PORT_CHAR('1') PORT_CHAR('!')
151 	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNUSED )
152 	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNUSED )
153 
154 	PORT_START("DR03")
155 	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_UNUSED )
156 	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_Z) PORT_CHAR('z') PORT_CHAR('Z')
157 	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_S) PORT_CHAR('s') PORT_CHAR('S')
158 	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_A) PORT_CHAR('a') PORT_CHAR('A')
159 	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_W) PORT_CHAR('w') PORT_CHAR('W')
160 	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_2) PORT_CHAR('2') PORT_CHAR('@')
161 	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNUSED )
162 	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNUSED )
163 
164 	PORT_START("DR04")
165 	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_C) PORT_CHAR('c') PORT_CHAR('C')
166 	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_X) PORT_CHAR('x') PORT_CHAR('X')
167 	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_D) PORT_CHAR('d') PORT_CHAR('D')
168 	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_E) PORT_CHAR('e') PORT_CHAR('E')
169 	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_4) PORT_CHAR('4') PORT_CHAR('$')
170 	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_3) PORT_CHAR('3') PORT_CHAR('#')
171 	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNUSED )
172 	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNUSED )
173 
174 	PORT_START("DR05")
175 	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_SPACE) PORT_CHAR(' ')
176 	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_V) PORT_CHAR('v') PORT_CHAR('V')
177 	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_F) PORT_CHAR('f') PORT_CHAR('F')
178 	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_T) PORT_CHAR('t') PORT_CHAR('T')
179 	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_R) PORT_CHAR('r') PORT_CHAR('R')
180 	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_5) PORT_CHAR('5') PORT_CHAR('%')
181 	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNUSED )
182 	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNUSED )
183 
184 	PORT_START("DR06")
185 	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_N) PORT_CHAR('n') PORT_CHAR('N')
186 	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_B) PORT_CHAR('b') PORT_CHAR('B')
187 	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_H) PORT_CHAR('h') PORT_CHAR('H')
188 	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_G) PORT_CHAR('g') PORT_CHAR('G')
189 	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_Y) PORT_CHAR('y') PORT_CHAR('Y')
190 	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_6) PORT_CHAR('6') PORT_CHAR('^')
191 	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNUSED )
192 	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNUSED )
193 
194 	PORT_START("DR07")
195 	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_UNUSED )
196 	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_M) PORT_CHAR('m') PORT_CHAR('M')
197 	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_J) PORT_CHAR('j') PORT_CHAR('J')
198 	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_U) PORT_CHAR('u') PORT_CHAR('U')
199 	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_7) PORT_CHAR('7') PORT_CHAR('&')
200 	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_8) PORT_CHAR('8') PORT_CHAR('*')
201 	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNUSED )
202 	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNUSED )
203 
204 	PORT_START("DR08")
205 	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_COMMA) PORT_CHAR(',') PORT_CHAR('<')
206 	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_K) PORT_CHAR('k') PORT_CHAR('K')
207 	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_I) PORT_CHAR('i') PORT_CHAR('I')
208 	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_O) PORT_CHAR('o') PORT_CHAR('O')
209 	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_0) PORT_CHAR('0') PORT_CHAR(')')
210 	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_9) PORT_CHAR('9') PORT_CHAR('(')
211 	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNUSED )
212 	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNUSED )
213 
214 	PORT_START("DR09")
215 	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_STOP) PORT_CHAR('.') PORT_CHAR('>')
216 	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_SLASH) PORT_CHAR('/') PORT_CHAR('?')
217 	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_L) PORT_CHAR('l') PORT_CHAR('L')
218 	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_COLON) PORT_CHAR(';') PORT_CHAR(':')
219 	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_P) PORT_CHAR('p') PORT_CHAR('P')
220 	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_MINUS) PORT_CHAR('-') PORT_CHAR('_')
221 	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNUSED )
222 	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNUSED )
223 
224 	PORT_START("DR10")
225 	PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_CUSTOM )
226 	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_QUOTE) PORT_CHAR('\'') PORT_CHAR('"')
227 	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_UNUSED )
228 	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_OPENBRACE) PORT_CHAR('[') PORT_CHAR('{')
229 	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_EQUALS) PORT_CHAR('=') PORT_CHAR('+')
230 	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_UNUSED )
231 	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_CAPSLOCK) PORT_CHAR(UCHAR_MAMEKEY(CAPSLOCK))
232 	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_RSHIFT) PORT_CHAR(UCHAR_SHIFT_1)
233 
234 	PORT_START("DR11")
235 	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_UNUSED )
236 	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_CLOSEBRACE) PORT_CHAR(']') PORT_CHAR('}')
237 	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_ENTER) PORT_CHAR(13)
238 	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_TILDE) PORT_CHAR('`') PORT_CHAR('~')
239 	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_UNUSED )
240 	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_BACKSLASH) PORT_CHAR('\\') PORT_CHAR('|')
241 	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNUSED )
242 	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNUSED )
243 
244 	PORT_START("DR12")
245 	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_UNUSED )
246 	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_UNUSED )
247 	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_UNUSED )
248 	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_UNUSED )
249 	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_UNUSED )
250 	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_UNUSED )
251 	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_BACKSPACE) PORT_CHAR(8)
252 	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNUSED )
253 
254 	PORT_START("DR13")
255 	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_UNUSED )
256 	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Keypad 1 End") PORT_CODE(KEYCODE_1_PAD) PORT_CHAR(UCHAR_MAMEKEY(1_PAD))
257 	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_UNUSED )
258 	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Keypad 4 " UTF8_LEFT) PORT_CODE(KEYCODE_4_PAD) PORT_CHAR(UCHAR_MAMEKEY(4_PAD))
259 	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Keypad 7 Home") PORT_CODE(KEYCODE_7_PAD) PORT_CHAR(UCHAR_MAMEKEY(7_PAD))
260 	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_UNUSED )
261 	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNUSED )
262 	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNUSED )
263 
264 	PORT_START("DR14")
265 	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Keypad 0 Ins") PORT_CODE(KEYCODE_0_PAD) PORT_CHAR(UCHAR_MAMEKEY(0_PAD))
266 	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Keypad . Del") PORT_CODE(KEYCODE_DEL_PAD) PORT_CHAR(UCHAR_MAMEKEY(DEL_PAD))
267 	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Keypad 2 " UTF8_DOWN) PORT_CODE(KEYCODE_2_PAD) PORT_CHAR(UCHAR_MAMEKEY(2_PAD))
268 	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_5_PAD) PORT_CHAR(UCHAR_MAMEKEY(5_PAD))
269 	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Keypad 6 " UTF8_RIGHT) PORT_CODE(KEYCODE_6_PAD) PORT_CHAR(UCHAR_MAMEKEY(6_PAD))
270 	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Keypad 8 " UTF8_UP) PORT_CODE(KEYCODE_8_PAD) PORT_CHAR(UCHAR_MAMEKEY(8_PAD))
271 	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_ESC) PORT_CHAR(UCHAR_MAMEKEY(ESC))
272 	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_NUMLOCK) PORT_CHAR(UCHAR_MAMEKEY(NUMLOCK))
273 
274 	PORT_START("DR15")
275 	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_UNUSED )
276 	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_PLUS_PAD) PORT_CHAR(UCHAR_MAMEKEY(PLUS_PAD))
277 	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Keypad 3 PgDn") PORT_CODE(KEYCODE_3_PAD) PORT_CHAR(UCHAR_MAMEKEY(3_PAD))
278 	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_MINUS_PAD) PORT_CHAR(UCHAR_MAMEKEY(MINUS_PAD))
279 	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Keypad * PrtSc") PORT_CODE(KEYCODE_ASTERISK) PORT_CHAR(UCHAR_MAMEKEY(ASTERISK))
280 	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Keypad 9 PgUp") PORT_CODE(KEYCODE_9_PAD) PORT_CHAR(UCHAR_MAMEKEY(9_PAD))
281 	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Scroll Lock Break") PORT_CODE(KEYCODE_SCRLOCK) PORT_CHAR(UCHAR_MAMEKEY(SCRLOCK))
282 	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Sys Req")
283 INPUT_PORTS_END
284 
285 
286 //-------------------------------------------------
287 //  input_ports - device-specific input ports
288 //-------------------------------------------------
289 
290 ioport_constructor ibm_pc_at_84_keyboard_device::device_input_ports() const
291 {
292 	return INPUT_PORTS_NAME( ibm_pc_at_84_keyboard );
293 }
294 
295 
296 //-------------------------------------------------
297 //  INPUT_PORTS( ibm_3270pc_122_keyboard )
298 //-------------------------------------------------
299 
300 INPUT_PORTS_START( ibm_3270pc_122_keyboard )
PORT_INCLUDE(ibm_pc_at_84_keyboard)301 	PORT_INCLUDE(ibm_pc_at_84_keyboard)
302 
303 	PORT_START("KBDIDA")
304 	PORT_DIPUNUSED( 0x01, IP_ACTIVE_LOW )
305 	PORT_DIPUNUSED( 0x02, IP_ACTIVE_LOW )
306 	PORT_DIPUNUSED( 0x04, IP_ACTIVE_LOW )
307 	PORT_DIPUNUSED( 0x08, IP_ACTIVE_LOW )
308 	PORT_DIPUNUSED( 0x10, IP_ACTIVE_LOW )
309 	PORT_DIPUNUSED( 0x20, IP_ACTIVE_LOW )
310 
311 	PORT_START("KBDIDB")
312 	PORT_DIPUNUSED( 0x01, IP_ACTIVE_LOW )
313 	PORT_DIPUNUSED( 0x02, IP_ACTIVE_LOW )
314 	PORT_DIPUNUSED( 0x04, IP_ACTIVE_LOW )
315 	PORT_DIPUNUSED( 0x08, IP_ACTIVE_LOW )
316 	PORT_DIPUNUSED( 0x10, IP_ACTIVE_LOW )
317 	PORT_DIPUNUSED( 0x20, IP_ACTIVE_LOW )
318 INPUT_PORTS_END
319 
320 
321 //-------------------------------------------------
322 //  input_ports - device-specific input ports
323 //-------------------------------------------------
324 
325 ioport_constructor ibm_3270pc_122_keyboard_device::device_input_ports() const
326 {
327 	return INPUT_PORTS_NAME( ibm_3270pc_122_keyboard );
328 }
329 
330 
331 
332 //**************************************************************************
333 //  LIVE DEVICE
334 //**************************************************************************
335 
336 //-------------------------------------------------
337 //  ibm_pc_at_84_keyboard_device - constructor
338 //-------------------------------------------------
339 
ibm_pc_at_84_keyboard_device(const machine_config & mconfig,device_type type,const char * tag,device_t * owner,uint32_t clock)340 ibm_pc_at_84_keyboard_device::ibm_pc_at_84_keyboard_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock) :
341 	device_t(mconfig, type, tag, owner, clock),
342 	device_pc_kbd_interface(mconfig, *this),
343 	m_maincpu(*this, I8048_TAG),
344 	m_dr(*this, "DR%02u", 0),
345 	m_kbdida(*this, "KBDIDA"),
346 	m_kbdidb(*this, "KBDIDB"),
347 	m_leds(*this, "led%u", 0U),
348 	m_db(0),
349 	m_cnt(0),
350 	m_sense(0),
351 	m_t1(1)
352 {
353 }
354 
ibm_pc_at_84_keyboard_device(const machine_config & mconfig,const char * tag,device_t * owner,uint32_t clock)355 ibm_pc_at_84_keyboard_device::ibm_pc_at_84_keyboard_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) :
356 	ibm_pc_at_84_keyboard_device(mconfig, PC_KBD_IBM_PC_AT_84, tag, owner, clock)
357 {
358 }
359 
ibm_3270pc_122_keyboard_device(const machine_config & mconfig,const char * tag,device_t * owner,uint32_t clock)360 ibm_3270pc_122_keyboard_device::ibm_3270pc_122_keyboard_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) :
361 	ibm_pc_at_84_keyboard_device(mconfig, PC_KBD_IBM_3270PC_122, tag, owner, clock)
362 {
363 }
364 
365 
366 //-------------------------------------------------
367 //  device_start - device-specific startup
368 //-------------------------------------------------
369 
device_start()370 void ibm_pc_at_84_keyboard_device::device_start()
371 {
372 	set_pc_kbdc_device();
373 
374 	m_leds.resolve();
375 
376 	// state saving
377 	save_item(NAME(m_db));
378 	save_item(NAME(m_cnt));
379 	save_item(NAME(m_sense));
380 	save_item(NAME(m_t1));
381 }
382 
383 
384 //-------------------------------------------------
385 //  device_reset - device-specific reset
386 //-------------------------------------------------
387 
device_reset()388 void ibm_pc_at_84_keyboard_device::device_reset()
389 {
390 	m_maincpu->reset();
391 }
392 
393 
394 //-------------------------------------------------
395 //  bus_w -
396 //-------------------------------------------------
397 
bus_w(uint8_t data)398 void ibm_pc_at_84_keyboard_device::bus_w(uint8_t data)
399 {
400 	/*
401 
402 	    bit     description
403 
404 	    0       SENSE 0
405 	    1       SENSE 1
406 	    2       SENSE 2
407 	    3       CNT 0
408 	    4       CNT 1
409 	    5       CNT 2
410 	    6       CNT 3
411 	    7       CNT G
412 
413 	*/
414 
415 	m_db = data;
416 
417 	if (!BIT(data, 7))
418 	{
419 		m_cnt = (data >> 3) & 0x0f;
420 	}
421 }
422 
423 
424 //-------------------------------------------------
425 //  p1_r -
426 //-------------------------------------------------
427 
p1_r()428 uint8_t ibm_pc_at_84_keyboard_device::p1_r()
429 {
430 	/*
431 
432 	    bit     description
433 
434 	    0
435 	    1
436 	    2       KBDID A1
437 	    3       KBDID A2
438 	    4       KBDID A3
439 	    5       KBDID A4
440 	    6       KBDID A5
441 	    7       KBDID A6
442 
443 	*/
444 
445 	uint8_t data = 0;
446 
447 	data |= m_kbdida->read() << 2;
448 
449 	return data;
450 }
451 
452 
453 //-------------------------------------------------
454 //  p1_w -
455 //-------------------------------------------------
456 
p1_w(uint8_t data)457 void ibm_pc_at_84_keyboard_device::p1_w(uint8_t data)
458 {
459 	/*
460 
461 	    bit     description
462 
463 	    0       SENSE G
464 	    1       T1
465 	    2
466 	    3
467 	    4
468 	    5
469 	    6
470 	    7
471 
472 	*/
473 
474 	if (!BIT(data, 0))
475 	{
476 		m_sense = m_db & 0x07;
477 	}
478 
479 	m_t1 = BIT(data, 1);
480 }
481 
482 
483 //-------------------------------------------------
484 //  p2_r -
485 //-------------------------------------------------
486 
p2_r()487 uint8_t ibm_pc_at_84_keyboard_device::p2_r()
488 {
489 	/*
490 
491 	    bit     description
492 
493 	    0       KBDID B1
494 	    1       KBDID B2
495 	    2       KBDID B3
496 	    3       KBDID B4
497 	    4       KBDID B5
498 	    5       KBDID B6
499 	    6
500 	    7
501 
502 	*/
503 
504 	uint8_t data = 0xc0;
505 
506 	data |= m_kbdidb->read();
507 
508 	return data;
509 }
510 
511 
512 //-------------------------------------------------
513 //  p2_w -
514 //-------------------------------------------------
515 
p2_w(uint8_t data)516 void ibm_pc_at_84_keyboard_device::p2_w(uint8_t data)
517 {
518 	/*
519 
520 	    bit     description
521 
522 	    0       SCROLL LED
523 	    1       NUM LED
524 	    2       CAPS LED
525 	    3
526 	    4
527 	    5
528 	    6       CLOCK
529 	    7       DATA
530 
531 	*/
532 
533 	m_leds[LED_SCROLL] = BIT(data, 0);
534 	m_leds[LED_NUM] = BIT(data, 1);
535 	m_leds[LED_CAPS] = BIT(data, 2);
536 
537 	m_pc_kbdc->data_write_from_kb(!BIT(data, 7));
538 	m_pc_kbdc->clock_write_from_kb(!BIT(data, 6));
539 }
540 
541 
542 //-------------------------------------------------
543 //  t0_r -
544 //-------------------------------------------------
545 
READ_LINE_MEMBER(ibm_pc_at_84_keyboard_device::t0_r)546 READ_LINE_MEMBER( ibm_pc_at_84_keyboard_device::t0_r )
547 {
548 	return !data_signal();
549 }
550 
551 
552 //-------------------------------------------------
553 //  t1_r -
554 //-------------------------------------------------
555 
READ_LINE_MEMBER(ibm_pc_at_84_keyboard_device::t1_r)556 READ_LINE_MEMBER( ibm_pc_at_84_keyboard_device::t1_r )
557 {
558 	return key_depressed();
559 }
560 
561 
562 //-------------------------------------------------
563 //  key_depressed -
564 //-------------------------------------------------
565 
key_depressed()566 int ibm_pc_at_84_keyboard_device::key_depressed()
567 {
568 	uint8_t data = m_dr[m_cnt]->read();
569 
570 	return m_t1 && BIT(data, m_sense);
571 }
572